| Patent application number | Description | Published |
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| 20100091943 | Apparatus and method for image processing - An image processing apparatus and an image processing method. The image processing apparatus includes an image obtaining unit to obtain a plurality of X-ray images using a plurality of X-rays corresponding to each of a plurality of energy bands being different from each other, a first processing unit to generate a plurality of material images using the plurality of X-ray images, and a second processing unit to generate a high contrast X-ray image using at least one of the plurality of material images. | 04-15-2010 |
| 20100111262 | Apparatus and method of narrow band x-ray filtering - Disclosed are an apparatus and method of filtering a narrow band X-ray. The apparatus includes a micro filter array to configure a plurality of micro filters in an array, a filter array storing unit to store a filter table having information about an angle of each of the plurality of micro filters within the micro filter array, and a control unit to retrieve the filter table to ascertain the angle of each of the plurality of micro filters. The control unit also controls an angle between each of the plurality of micro filters and a panel supporting the plurality of micro filters to be the ascertained angle, and filters and output a received broadband polychromatic X-ray to be the narrow band X-ray. | 05-06-2010 |
| 20100124368 | Method and apparatus of reconstructing 3D image from 2D images - An apparatus and method of reconstructing a three-dimensional (3D) image from two-dimensional (2D) images are disclosed. Three dimensional (3D) data may be reconstructed in an x-ray generation tube at a limited angle, and repeatedly updated for each pixel. A median from among each pixel of reconstruction data may be selected. Backprojecting may be performed using a search direction weight calculated using a reprojection image and residual image. A 3D image satisfying a Level 1 (L1) norm fidelity and sparsity constraint of the reconstruction data may be reconstructed. | 05-20-2010 |
| 20100135463 | X-ray image obtaining/imaging apparatus and method - An X-ray image obtaining/imaging apparatus and method. An X-ray image may be obtained using an X-ray sensor that is divided into pixel blocks including a plurality of pixels. Each pixel may respectively include a scintillator layer, with the scintillator layers having differing characteristics. | 06-03-2010 |
| 20100155606 | Method and apparatus for acquiring images created by penetration of radioactive ray - Disclosed is an apparatus and method of acquiring images created by penetration of a radioactive ray. The apparatus includes a scintillator to generate a light signal in response to an irradiated radioactive ray, and to change an advancing direction of the generate light signal, a light receiving unit to receive the light signal whose advancing direction is changed, and a signal processing unit to convert the received light signal into an electrical signal, and acquire an image corresponding to the penetrated irradiated radioactive ray based on the converted electrical signal. | 06-24-2010 |
| 20110019798 | X-RAY IMAGING APPARATUS AND METHOD FOR REDUCING X-RAY SCATTERING - An X-ray imaging apparatus and method for reducing X-ray scattering are provided. The X-ray imaging apparatus includes an X-ray source, a collimator, a detector, and a controller. The X-ray source emits X-rays, the collimator collimates the X-rays into an X-ray beam, and the detector may include a two-dimensional array of pixels. The controller controls the collimator such that the X-ray beam scans a subject while moving over time. In addition, the controller operates the detector to only operate pixels at an exposure area of the detector where the X-ray beam arrives without scattering such that photocharges generated due to the X-ray exposure can be accumulated and stored in the pixels. | 01-27-2011 |
| 20110042573 | System and method counting photons - Disclosed are a system and method counting photons. Photons are counted through a plurality of counters. Each of the counters generates a flag signal indicating the availability of each counter for an output of a photon detector. The generated flag signal is input into a control unit which controls a switching unit. The control unit allows a signal to be input into a counter, which is not in dead time, based on the received flag signal. | 02-24-2011 |
| 20110110489 | Apparatus, method and computer-readable medium analyzing components using X-ray - Provided is an apparatus, method and computer-readable medium analyzing components using an X-ray. The apparatus, method and computer-readable medium may photograph an object using an X-ray of at least two energy bands to output X-ray images, predict a component ratio of the object using the X-ray images, calculate a length of the object for each of the at least two energy bands using an intensity of the X-ray images, when the object is configured in the predicted component ratio, and verify whether an error in the component ratio occurs by comparing the lengths of the object calculated for each of the at least two energy bands. | 05-12-2011 |
| 20110121163 | METHOD, APPARATUS AND COMPUTER-READABLE MEDIUM ESTIMATING ENERGY RESPONSE FUNCTION OF ENERGY RESOLVING X-RAY DETECTOR - Disclosed are an energy response estimating apparatus, a method and computer-readable medium thereof that estimates an energy response function determined by a substance constituting a detector and physical parameters, and corrects multi-energy image information by using the estimated energy response function. The energy response estimating apparatus includes an emitting unit to emit multiple polychromatic X-rays having different energy levels to an object, a sensing unit to calculate a spectrum measurement value of a detector by counting photons from the multiple polychromatic X-rays that pass through the object, and an estimating unit to estimate an energy response function based on the calculated spectrum measurement value of the detector. | 05-26-2011 |
| 20110164797 | Method and system of processing multi-energy x-ray images - Provided is a method and system of processing a multi-energy X-ray image. Through the method and system, a plurality of target images may be acquired using an X-ray detector enabling an energy separation to be performed in a predetermined time interval, with respect to a target where a contrast agent is applied, and a signal processing may be performed on the acquired target images, thereby detecting and reading benign/malignant lesions or masses. | 07-07-2011 |
| 20110255654 | System and method processing images in multi-energy X-ray system - An image processing system and method are provided to adaptively discriminate hard tissues and soft tissues of a target in a multi-energy X-ray system. The image processing system and method may minimize a decrease in a dynamic range (DR) for soft tissues affected by hard tissues in a target where the soft tissues and hard tissues are mixed. | 10-20-2011 |
| 20110311020 | Image diagnosis apparatus and method using X-ray - An image diagnosis apparatus and method may emit radiation to a target object, may compress the target object in response to the emitted radiation, and may collect a plurality of images with respect to the compressed target object in response to the emitted radiation. An elastic image with respect to the target object may be generated based on the plurality of collected images. | 12-22-2011 |
| 20120014504 | Apparatus and method for imaging breast - An apparatus and method for imaging a breast are provided. The apparatus includes an X-ray emission unit that emits an X-ray of a first energy spectrum and an X-ray of a second energy spectrum from above a first region of a breast and emits an X-ray of a third energy spectrum from above a second region of the breast different from the first region of the breast; an X-ray detection unit that generates a plurality of image frames related to the breast by detecting the X-rays emitted and passed through the breast; and an image generation unit that generates image data related to the breast by combining the plurality of image frames. | 01-19-2012 |
| 20120014584 | METHOD AND APPARATUS OF PROCESSING IMAGE AND MEDICAL IMAGE SYSTEM EMPLOYING THE APPARATUS - A method of processing an image is provided. The method includes generating a calibration model by learning an intensity-target data set obtained from a parameter of a test subject; and estimating a target. The estimating includes applying the calibration model to a parameter of an input subject and calibrating the parameter of the input subject. | 01-19-2012 |
| 20120027281 | METHOD AND APPARATUS FOR PROCESSING IMAGE, AND MEDICAL IMAGE SYSTEM EMPLOYING THE APPARATUS - A method of processing an image is provided. The method includes generating a first intermediate reconstructed image by applying a first iterated reconstruction algorithm to a tomographic image of a predetermined subject; generating a second intermediate reconstructed image by applying a second iterated reconstruction algorithm to a difference image between the first intermediate reconstructed image and the tomographic image; and generating an ultimately reconstructed image by composing the first and second intermediate reconstructed images. | 02-02-2012 |
| 20120057672 | APPARATUS AND METHOD FOR IMAGING BREAST - An apparatus and method for imaging a breast is provided. The apparatus for imaging a breast includes a first X-ray emission unit configured to emit an X-ray of a first dose to a breast, a second X-ray emission unit configured to emit one or more X-rays of a second dose to the breast, the first dose being greater than the second dose, an X-ray detection unit configured to detect the X-ray of the first dose or the one or more X-rays of the second dose to thereby generate one or more image frames regarding the breast, and an image generation unit configured to generate image data regarding the breast based on the generated one or more image frames. | 03-08-2012 |
| 20120057770 | METHOD AND APPARATUS FOR RECONSTRUCTING IMAGE AND MEDICAL IMAGE SYSTEM EMPLOYING THE METHOD - A method and apparatus for reconstructing an image and a medical image system are provided. An image reconstruction processing method may include acquiring an initial value with respect to a tomographic image of an object to be inspected, initializing an auxiliary variable, acquiring one or both of a weighted value and an error value, based on a measured value, transforming a measured image signal, updating the auxiliary variable using a transform coefficient used to transform the measured image signal, and updating the measured value using the updated auxiliary variable, and one or both of the acquired weighted value and the error value. | 03-08-2012 |
| 20120063662 | METHOD FOR PROCESSING IMAGE, IMAGE PROCESSING APPARATUS AND MEDICAL IMAGE SYSTEM FOR PERFORMING THE SAME - An image processing apparatus is provided. The image processing apparatus includes an extraction unit configured to extract a low-frequency band component and a high-frequency band component from a radiation image formed by passing through a subject, a contrast enhancement processing unit configured to perform a contrast enhancement process to the extracted low-frequency band component, a detail enhancement processing unit configured to perform a detail enhancement process to the extracted high-frequency band component, a synthesis unit configured to synthesize an image resulting from performing the contrast enhancement process and an image resulting from performing the detail enhancement process, and a generation unit configured to reconstruct the synthesized image and generate a diagnosis image. | 03-15-2012 |
| 20120101733 | METHOD AND APPARATUS FOR PROCESSING IMAGE AND MEDICAL IMAGE SYSTEM PERFORMING THE METHOD - An image processing apparatus is provided. The image processing apparatus includes an image mapping unit for generating a mapping image in which first radiation images of multi-energy bands with respect to a local region of a body are mapped to a second radiation image with respect to a thickness variable phantom, an image analyzing unit for analyzing a reference region corresponding to normal tissue in the local region and a peculiar region corresponding to abnormal tissue in the local region based on the mapping image, and an enhancement image generating unit for generating a tissue enhancement image that has a shape of the local region in the first radiation images and enhances regions of pixel positions, that are mapped to the peculiar region, of the first radiation images. | 04-26-2012 |
| 20120248319 | METHOD AND APPARATUS FOR ACQUIRING IMAGES CREATED BY PENETRATION OF RADIOACTIVE RAY - Disclosed is an apparatus and method of acquiring images created by penetration of a radioactive ray. The apparatus includes a scintillator to generate a light signal in response to an irradiated radioactive ray, and to change an advancing direction of the generate light signal, a light receiving unit to receive the light signal whose advancing direction is changed, and a signal processing unit to convert the received light signal into an electrical signal, and acquire an image corresponding to the penetrated irradiated radioactive ray based on the converted electrical signal. | 10-04-2012 |
| 20120275565 | METHOD OF DETECTING RADIATION SIGNALS FROM RADIATIONS IN DIFFERENT ENERGY BANDS AND APPARATUS THEREFOR - A radiation signal detection apparatus includes a filter unit configured to allow penetration of a component of radiation that passed through a subject, the filter unit including one or more unit filters configured to allow penetration of only a component in a predetermined energy band of the radiation, and a sensor unit, including one or more first unit sensors configured to convert only the component of the radiation for which the penetration is allowed by the unit filters into a first electric signal, one or more second unit sensors configured to convert a component in all energy bands of the radiation into a second electric signal, and a radiation signal detector configured to detect a first radiation signal and a second radiation signal by respectively using the first electric signal of the first unit sensors and the second electric signal of the second unit sensors. | 11-01-2012 |
| 20120281810 | APPARATUS FOR CAPTURING RADIATION IMAGE, MEDICAL IMAGING SYSTEM, AND METHOD OF CAPTURING RADIATION IMAGE - An apparatus for capturing a radiation image of a subject including at least two materials includes a radiation irradiating unit configured to irradiate multi-energy radiation including at least two energy bands to a calibration model including a plurality of thicknesses of each of the at least two materials; an attenuation-coefficient estimating unit configured to estimate attenuation coefficients for each of the at least two materials for each of the at least two energy bands based on values obtained by passing the multi-energy radiation through the calibration model; and an energy-band determining unit configured to determine an optimal combination of at least two energy bands to be included in multi-energy radiation to be irradiated to the subject from a plurality of different combinations of at least two energy bands based on the estimated attenuation coefficients and the values obtained by passing the multi-energy radiation through the calibration model. | 11-08-2012 |
| 20120311432 | APPARATUS AND METHOD OF COMPOSING WEB DOCUMENT AND APPARATUS OF SETTING WEB DOCUMENT ARRANGEMENT - An apparatus and method of composing a web document and an apparatus to set a web document arrangement are provided. The apparatus to compose a web document includes a generation module which generates a plurality of frames by analyzing a source of a web document, a composition module which arranges the generated frames using a predetermined frame arrangement mode, and an output module which displays the arranged frames on a screen. | 12-06-2012 |
| 20120321167 | METHOD AND SYSTEM FOR PROVIDING STEREOSCOPIC X-RAY IMAGE - A method of providing a stereoscopic X-ray image is provided. The method includes acquiring X-ray images captured at respective rotation angles with respect to a part of a patient to be examined while rotating around the part to be examined, and in response to information regarding a viewpoint with respect to the part to be examined being input, using X-ray images at respective rotation angles corresponding to the viewpoint from among the acquired X-ray images to generate a three-dimensional ( | 12-20-2012 |
| 20130022165 | X-RAY IMAGING APPARATUS AND METHOD - An X-ray imaging apparatus and method is provided. An X-ray imaging apparatus includes an X-ray radiation unit configured to radiate a first X-ray and a second X-ray onto a target along a predetermined path, an X-ray detection unit configured to detect the radiated first X-ray and the second X-ray that have passed through the target, and an image data generation unit configured to generate cross-section data that respectively corresponds to the detected first X-ray and the detected second X-ray and represents a predetermined cross-sectional layer of the target. The first X-ray is radiated at a location on the predetermined path that is different from a location on the predetermined path at which the second X-ray is radiated, the first X-ray including X-ray spectra that are different from X-ray spectra of the second X-ray. | 01-24-2013 |
| 20130022259 | APPARATUS FOR GENERATING DIAGNOSIS IMAGE, MEDICAL IMAGING SYSTEM, AND METHOD FOR PROCESSING IMAGE - An apparatus for generating a diagnosis image includes a local contrast characteristic calculator configured to calculate local contrast characteristics of radiation image data of a low-energy sub-band from radiation image data generated by radiation having at least two energy bands passing through a subject; a local contrast characteristic applier configured to apply the calculated local contrast characteristics to radiation image data of a full-energy band generated by the radiation having at least two energy bands passing through the subject; and a diagnosis image generator configured to generate a diagnosis image of the subject based on the radiation image data of the full-energy band to which the local contrast characteristics have been applied. | 01-24-2013 |
| 20130041628 | APPARATUS AND METHOD FOR DISTINGUISHING ENERGY BANDS OF PHOTONS IN MULTI-ENERGY RADIATION - An apparatus for distinguishing an energy band of a photon in a readout circuit that counts photons in multi-energy radiation incident onto a sensor for each energy band includes an integrator configured to accumulate an electric signal received from the sensor that has undergone photoelectric conversion from the photon; a comparator configured to compare an accumulated electric signal received from the integrator with one of a plurality of threshold values; and a signal processor configured to instruct sequential switching from one of the plurality of threshold values to another one of the plurality of threshold values according to a result of a comparison received from the comparator; and output a digital signal that distinguishes an energy band of the photon based on results received from the comparator of sequential comparisons of the accumulated electric signal with the plurality of threshold values. | 02-14-2013 |
| 20130075608 | IMAGE SENSOR AND X-RAY IMAGE SENSING MODULE INCLUDING THE SAME - According to example embodiments, an image sensor includes a charge sensing amplifier configured to amplify charges sensed by a sensing unit. The charge sensing amplifier includes an input terminal, an amplification terminal, an output terminal, a first capacitor connected between the input terminal and the amplification terminal, a first switch connected between the input terminal and the amplification terminal, a second capacitor connected between the amplification terminal and the output terminal, and a second switch connected between the output terminal and a reference voltage terminal. | 03-28-2013 |
| 20130105701 | PHOTON COUNTING DETECTOR TO GENERATE HIGH-RESOLUTION IMAGES AND HIGH-CONTRAST IMAGES, AND PHOTON COUNTING AND DETECTING METHOD USING THE SAME | 05-02-2013 |
| 20130129180 | METHOD AND APPARATUS FOR PROCESSING IMAGE, AND MEDICAL IMAGING SYSTEM EMPLOYING THE APPARATUS - A method of processing an image is provided. The method includes estimating a thickness of an object that includes at least two materials, from a radiation image taken with radiations of at least two energy bands; and generating an image by comparing the estimated thickness to a thickness of a local region and extracting a region of interest. | 05-23-2013 |
| 20130142412 | METHOD AND APPARATUS FOR PROCESSING IMAGE, AND MEDICAL IMAGING SYSTEM EMPLOYING THE APPARATUS - A method of processing an image is provided. The method includes generating a tissue emphasis image by emphasizing a predetermined tissue of at least two radiation images of different energy bands, and generating a diagnostic image by combining at least one of the at least two radiation images of different energy bands and the tissue emphasis image. | 06-06-2013 |
| 20130148776 | METHOD AND APPARATUS FOR X-RAY SCATTERING ESTIMATION AND RECONSTRUCTION IN DIGITAL TOMOSYNTHESIS SYSTEM - A method and apparatus for X-ray scattering estimation and reconstruction in a digital tomosynthesis system are provided. The apparatus includes a receiver which receives, through a wired or wireless network, X-ray penetration data generated by measuring an object, and a graphics processing unit (GPU) which acquires, from the received X-ray penetration data, a reconstructed image in which scattering is corrected. | 06-13-2013 |
| 20130148871 | METHOD AND APPARATUS FOR PROCESSING MEDICAL IMAGE - A method of processing a medical image includes decomposing at least one medical image into multiscale image information having a plurality of directions by transforming the at least one medical image; estimating a variance of coefficients of image information of each scale of the multiscale image information; modifying the multiscale image information having the plurality of directions by modifying values of the coefficients of the image information of each scale using the estimated variance and coefficients of image information of a plurality of scales of the multiscale image information including the scale being modified; and generating a reconstruction image of the at least one medical image by inverse transforming the modified multiscale image information having the plurality of directions. | 06-13-2013 |
| 20130161492 | SWITCHING CIRCUIT, CHARGE SENSE AMPLIFIER INCLUDING SWITCHING CIRCUIT, AND PHOTON COUNTING DEVICE INCLUDING SWITCHING CIRCUIT - A switching circuit, a charge sense amplifier, and a photon counting device are provided. The switching circuit configured to close and open a connection between a first terminal and a second terminal of a predetermined circuit element, includes: a first transistor comprising a source connected to the first terminal, a drain connected to the second terminal, and a gate; a second transistor comprising a drain, a source, and a gate connected to the drain of the second transistor; a current source configured to supply a current flowing through the drain and the source of the second transistor, to generate a gate voltage of the gate of the second transistor; and a multiplexer configured to receive the gate voltage, a reference voltage, and a control signal, and selectively apply the gate voltage or the reference voltage to the gate of the first transistor based on the control signal. | 06-27-2013 |
| 20130177213 | APPARATUS AND METHOD FOR VIRTUAL VIEW GENERATION ON MULTI-VIEW IMAGE RECONSTRUCTION SYSTEM - Provided is an apparatus and method for generating a virtual view in an image reconstruction system which uses multiple views. In the image reconstruction system which uses multiple views, the virtual view generating apparatus may receive original view projection images that are generated by emitting X rays toward an object via original views, three-dimensionally reconstruct the object by using the original view projection images, generate original view reprojection images by virtually emitting X-rays toward the reconstructed 3D object via the original views, estimate a motion of the reconstructed 3D object with respect to at least two of the original view reprojection images using a block-based motion estimation scheme, and generate an intermediate view projection image with respect to the at least two of the original view reprojection images by using information relating to the estimated motion. | 07-11-2013 |
| 20130182927 | METHOD OF RECONSTRUCTING TOMOGRAMS FROM POLYCHROMATIC X-RAY TRANSMISSION IMAGE AND IMAGE PROCESSING APPARATUS USING THE SAME - A method of reconstructing tomograms from a polychromatic X-ray transmission image and an image processing apparatus using the same. An image of a target is reconstructed in consideration of a fact that an X-ray has a polychromatic X-ray spectrum and the target is dependent upon energy of the X-ray transmitted through the target, and thus an image without any beam hardening artifacts may be generated. In addition, measurement data for X-rays with respect to all wavelengths is used to reconstruct an image, thereby reconstructing an accurate image. | 07-18-2013 |
| 20130195241 | IMAGE RECONSTRUCTION SYSTEM, APPARATUS, AND METHOD EMPLOYING NON-SEQUENTIAL SCANNING SCHEME USING REAL-TIME FEEDBACK - An image reconstruction system, apparatus, and method employing a non-sequential scanning scheme using real-time feedback are provided. A projection information generating unit is configured to generate at least one piece of projection information by the X-ray irradiated to the object in the at least one viewpoint. A projection information comparing unit is configured to compare predicted intermediate projection information with measured intermediate projection information from the generated projection information. The predicted intermediate projection information is predicted from pieces of projection information generated from different viewpoints, and the measured intermediate projection information is measured in an intermediate viewpoint corresponding to the predicted intermediate projection information. A determining unit is configured to determine whether to irradiate the X-ray to the object in an additional viewpoint. An image reconstructing unit is configured to reconstruct the generated projection information, and to acquire an image representing the object. | 08-01-2013 |
| 20130294568 | METHOD OF RECONSTRUCTING IMAGE AND APPARATUS AND TOMOGRAPHY APPARATUS FOR PERFORMING THE SAME - A method of reconstructing a tomography image of an object from a plurality of projection images generated by scanning the object in a plurality of projection directions includes: determining whether a truncated portion of the object exists in the plurality of projection images; reconstructing a first reconstruction image; calculating projection data for the first reconstruction image; and reconstructing a tomography image of the object by using the calculated projection data. | 11-07-2013 |
| 20130301798 | CALIBRATION METHOD OF RADIATION DETECTING APPARATUS, RADIATION IMAGING APPARATUS AND CONTROL METHOD OF RADIATION IMAGING APPARATUS - A calibration method of a radiation detecting apparatus, a control method of a radiation imaging apparatus and a radiation imaging apparatus are provided. The control method of the radiation imaging apparatus includes performing prior information acquisition by obtaining at least one correction threshold energy, at which a theoretical radiation intensity of at least one threshold energy is measured, and performing radiation image acquisition by obtaining at least one radiation image at the at least one threshold energy using the at least one correction threshold energy. | 11-14-2013 |
| 20130301799 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREFOR - Disclosed herein are an X-ray imaging apparatus for forming an X-ray image having reduced noise by correcting errors according to characteristics of each of a plurality of pixels and a control method therefor. The X-ray imaging apparatus includes an X-ray generator to generate X-rays and irradiate the generated X-rays, an X-ray detector to detect the irradiated X-rays and output X-ray data by counting the number of photons having an energy that is equal to or greater than threshold energy among photons contained in the detected X-rays, for each of a plurality of pixels; a function acquisition unit to acquire calibration functions for the respective pixels using X-ray data output for a plurality of predesigned phantoms, and an image correction unit to correct an X-ray image of an object on a per pixel basis using the acquired calibration functions. | 11-14-2013 |
| 20130336566 | METHOD AND APPARATUS FOR RECONSTRUCTING IMAGE AND MEDICAL IMAGE SYSTEM EMPLOYING THE METHOD - A method and apparatus for reconstructing an image and a medical image system are provided. An image reconstruction processing method may include acquiring an initial value with respect to a tomographic image of an object to be inspected, initializing an auxiliary variable, acquiring one or both of a weighted value and an error value, based on a measured value, transforming a measured image signal, updating the auxiliary variable using a transform coefficient used to transform the measured image signal, and updating the measured value using the updated auxiliary variable, and one or both of the acquired weighted value and the error value. | 12-19-2013 |
| 20130343510 | METHOD OF RECONSTRUCTING IMAGE FOR POLYCHROMATIC X-RAY TOMOGRAPHY - Disclosed herein is a method for reconstructing an X-ray image, including selecting an initial value of a reconstruction value of an internal tissue of a target object, inserting the reconstruction value into a first relationship function to calculate simulation data of measurement data which is detected from X-rays which have passed through the target object, inserting the detected measurement data and the calculated simulation data into a first expression and a second expression for respectively determining a first constant and second constant as coefficients of a second relationship function of a relationship between the measurement data and the simulation data, in order to calculate the first constant and the second constant, and inserting the first constant and the second constant into a third relationship function which relates to the first constant and second constant and the reconstruction value in order to update the reconstruction value. | 12-26-2013 |
| 20140016750 | X-RAY IMAGING APPARATUS AND METHOD FOR CONTROLLING X-RAY IMAGING APPARATUS - Disclosed herein are an X-ray imaging apparatus and a method of controlling the same. The X-ray imaging apparatus includes an X-ray emitter to irradiate an object with X-rays and be movable, an X-ray detector to detect X-rays having passed through the object, convert the detected X-rays into an electric signal, and be movable, a location information collector to collect location information regarding the object, and a controller to control the X-ray emitter or the X-ray detector based on the location information regarding the object collected by the location information collector. | 01-16-2014 |
| 20140016751 | X-RAY IMAGING APPARATUS, REMOTE CONTROLLER FOR X-RAY IMAGING APPARATUS, AND CONTROL METHOD FOR X-RAY IMAGING APPARATUS - Disclosed are an X-ray imaging apparatus, a remote controller for the X-ray imaging apparatus, and a control method for the X-ray imaging apparatus. The X-ray imaging apparatus includes a movable X-ray emitter to emit X-rays to a subject, a movable X-ray detector to detect X-rays emitted from the X-ray emitter and change the X-rays into electric signals, an input unit to receive target position information regarding at least one of the X-ray emitter and the X-ray detector, and a controller to control movements of the X-ray emitter and the X-ray detector according to the input target position information. | 01-16-2014 |
| 20140037072 | INFORMATION DETECTION APPARATUS, PHANTOM INFORMATION RECORDING APPARATUS AND OPERATION METHOD THEREOF - A material information detection apparatus, a phantom information recording apparatus, and operation methods for the apparatuses are provided. The material information detection apparatus includes a database configured to store phantom information obtained by projecting a multi-energy X-rayon a phantom comprising a plurality of materials, an input device configured to receive a plurality of pieces of object information per energy level, the object information obtained by projecting a multi-energy X-ray on an analysis object, and a detector configured to detect information related to materials constituting the analysis object based on the phantom information and the plurality of pieces of object information per energy level. | 02-06-2014 |
| 20140064444 | X-RAY IMAGING DEVICE AND X-RAY IMAGE FORMING METHOD - The X-ray imaging device includes an X-ray generator to generate an X-ray and radiate the X-ray to an object, an X-ray detector to detect the X-ray passing through the object and acquire an image signal of the object, and a controller to analyze the image signal of the object, evaluate a characteristic of the object and generate at least one of a single energy X-ray image and a multiple energy X-ray image according to the evaluated characteristic. | 03-06-2014 |
| 20140072100 | METHOD AND APPARATUS FOR FORMING X-RAY MAMMOGRAM - An X-ray imaging method and apparatus are provided for forming an X-ray image having reduced noise and showing a clear boundary of a lesion region. The X-ray imaging method includes performing a first main shot which irradiates an object in a compressed state by using X-rays at least once to obtain a single two-dimensional image, performing a second main shot which irradiates the object by using X-rays at different positions to obtain a plurality of two-dimensional images, and forming a two-dimensional final image by removing a lesion region having a unclear boundary from each of the plurality of two-dimensional images and substituting a lesion region of the single two-dimensional image into an area which corresponds to the removed lesion region. | 03-13-2014 |
| 20140086386 | APPARATUS AND METHOD FOR ESTIMATING OBJECT INFORMATION - An apparatus and method for estimating object information is provided. The object information estimating apparatus includes a database which stores phantom information obtained by projecting a first energy X-ray on a phantom, an input unit which receives first object information obtained by projecting the first energy X-ray on an analysis object, and which receives information on a thickness of the analysis object, and an estimating unit which estimates second object information based on the phantom information, the first object information, and the information on the thickness. | 03-27-2014 |
| 20140105364 | APPARATUS AND METHOD FOR SPECTRUM ESTIMATION - Provided is an apparatus for spectrum estimation. The apparatus includes a threshold setter which sets at least one threshold in order to separate a spectrum into at least one energy bin; a reference value setter which sets one of the at least one threshold as a reference threshold; a threshold adjuster which adjusts the at least one threshold based on a predetermined condition; a comparer which compares the reference threshold with the adjusted threshold; and an output unit which outputs a spectrum in which the adjusted threshold is set, when a value which is determined based on the comparison result corresponds to a predetermined maximum value. | 04-17-2014 |
| 20140105369 | CALIBRATION APPARATUS AND METHOD - Provided are a calibration apparatus and method that may be used for setting a magnitude of an electric pulse based on a result obtained by imaging at least one imaging object, and that may be used for mapping and calibrating a photon energy corresponding to an absorption edge of at least one calibration object. | 04-17-2014 |
| 20140112430 | APPARATUS AND METHOD FOR MEASURING MEDICAL INFORMATION PROVIDING THREE-DIMENSIONAL STEREOSCOPIC IMAGE - An apparatus and method for providing a 3D stereoscopic image is provided. The apparatus may provide a 3D stereoscopic image generated based on two projection images imaged at different positions. | 04-24-2014 |
| 20140112434 | X-RAY GENERATION MODULE, X-RAY IMAGING APPARATUS, AND X-RAY IMAGING METHOD - Disclosed is an X-ray imaging apparatus, which includes a plurality of X-ray generation modules configured to emit X-rays to a subject, the X-ray generation modules being configured to move independently of one another, an X-ray detector configured to detect a plurality of X-rays emitted from the plurality of X-ray generation modules and which have passed through the subject, and an image processor configured to acquire a plurality of X-ray images from the plurality of detected X-rays. | 04-24-2014 |
| 20140112435 | METHOD AND APPARATUS FOR PROVIDING THREE-DIMENSIONAL (3D) IMAGE - Provided is a method and apparatus for providing a three-dimensional (3D) image. A plurality of first projection images may be created by detecting X-rays which are emitted toward an object at different angles. A plurality of second projection images with respect to a partial volume of the object may be created by applying a forward projection and interpolation to at least one of the plurality of first projection images. A left image and a right image may be selected from among the plurality of second projection images, and the selected left image and right image may be displayed for a user as a 3D projection image. | 04-24-2014 |
| 20140119495 | RADIATION IMAGING APPARATUS AND METHOD FOR RECONSTRUCTING IMAGE - Disclosed are an image reconstruction method and a radiation imaging apparatus using the same. The radiation imaging apparatus includes a radiation emitter which emits multiple energy spectra of radiation toward an object, a radiation detector which detects multiple energy spectra of radiation passing through the object and thereby outputs measurement data, and an image reconstructor which reconstructs a radiation image of the object, based on the measurement data output by the radiation detector. The method may be used to calculate simulation data of an inner structure of the object using an image reconstruction value including information associated with densities of substances of the inside of the object, to acquire a correction value of the image reconstruction value minimizing a discrepancy between the measurement data and the simulation data and to update the image reconstruction value using the correction value. | 05-01-2014 |
| 20140119506 | APPARATUS AND METHOD FOR ACQUIRING OPTIMAL MULTI-ENERGY X-RAY IMAGE - An apparatus and method for acquiring an optimal MEX image may include an X-ray source to generate an X-ray and to irradiate the X-ray, an energy identification detector to acquire a MEX image that is generated when the irradiated X-ray penetrates an object, and an optimal MEX processor to generate an optimal MEX parameter based on a characteristic of the object and to control at least one of the X-ray source and the energy identification detector based on the generated optimal MEX parameter. | 05-01-2014 |
| 20140119507 | X-RAY IMAGING APPARATUS AND X-RAY IMAGE GENERATING METHOD - Disclosed herein are an X-ray imaging apparatus and an X-ray image generating method in which constituent materials of a target object are separated and mapped to different colors in order to provide one image which has improved distinction between tissues. The X-ray imaging apparatus includes an X-ray generator which generates X-rays and irradiates the X-rays toward a target object, an X-ray detector which acquires X-ray data which corresponds to a plurality of energy bands by detecting X-rays which have passed through the target object, and a controller which acquires a plurality of material images in which a plurality of materials constituting the target object are respectively displayed and brightness information from the X-ray data, generates one image by mapping different color channels to the plurality of material images and combining the plurality material images into a single image, and applying the brightness information to the generated image. | 05-01-2014 |
| 20140119668 | MEDICAL IMAGE PROCESSING APPARATUS AND METHOD FOR SYNTHESIZING AND DISPLAYING MEDICAL IMAGE GENERATED USING MULTI-ENERGY X-RAY - A medical image processing apparatus may include an image data generator to generate image data corresponding to at least two different energy bands by using an X-ray, an ROI processor to highlight a tissue of interest classified based on a predetermined characteristic to be distinguished from a normal tissue, in the generated image data, and a display to alternately display first image data in which the tissue of interest is not highlighted, and second image data in which the tissue of interest is highlighted to be distinguished from the normal tissue. | 05-01-2014 |
| 20140133626 | X-RAY IMAGING APPARATUS AND X-RAY IMAGING METHOD - The X-ray imaging method includes setting imaging conditions according to characteristics of an object and performing X-ray imaging of the object based on the set imaging conditions. The imaging conditions include at least one of an imaging angle, a number of imaging operations, and an imaging position. | 05-15-2014 |
| 20140185738 | X-RAY IMAGING APPARATUS AND X-RAY IMAGE PROCESSING METHOD - Disclosed herein is an X-ray imaging apparatus. The X-ray imaging apparatus includes at least one X-ray emitter which is configured to irradiate an object with X-rays at a plurality of X-ray emission positions, an X-ray detector which is configured to detect X-rays which are emitted by the X-ray emitter and to convert the detected X-rays into an electric signal, and an image processor which is configured to acquire a plurality of original X-ray images which respectively correspond to the X-ray emission positions from the generated electric signal and to estimate a virtual X-ray image which is acquirable at an X-ray emission position located between at least two of the plurality of X-ray emission positions, based on at least two of the original X-ray images. | 07-03-2014 |
| 20140185748 | X-RAY IMAGING APPARATUS, X-RAY DETECTION DEVICE, AND X-RAY IMAGE GENERATION METHOD - An X-ray imaging apparatus includes an X-ray emitter that emits X-rays to an object at a plurality of positions; a detector that detects X-rays having passed through the object and converts the detected X-rays into electric signals; and an image processor that is configured to generate X-ray images at the plurality of positions by reading out the electric signals, acquire volume data of the object using the X-ray images, and reproject the acquired volume data by using different bands of energy spectrums to acquire reconstructed reprojection images of different energy bands. | 07-03-2014 |
| 20140185749 | X-RAY IMAGING APPARATUS, X-RAY IMAGE GENERATION METHOD, AND 3D IMAGING APPARATUS - The X-ray imaging apparatus includes an X-ray source that emits X-rays to an object at different original-view positions, an X-ray detector that acquires original-view images by detecting X-rays having passed through the object, and an image controller that reconstructs a 3D volume image representation of the object from the original-view images and generates close-view images by virtually emitting X-rays to the 3D volume image representation of the object at a shorter distance than a distance between the X-ray source and the object. | 07-03-2014 |
| 20140185750 | X-RAY IMAGING APPARATUS AND METHOD OF GENERATING STEREOSCOPIC IMAGE - Disclosed herein are an X-ray imaging apparatus and a method for generating a stereoscopic image by using the apparatus. The stereoscopic image generation method includes emitting first X-rays toward a target object at a first emission angle, detecting the first X-rays which have propagated through the target object in order to acquire a first X-ray image, emitting second X-rays toward the target object at a second emission angle which is different from the first emission angle, detecting the second X-rays which have propagated through the target object in order to acquire at least a second X-ray image, and generating a stereoscopic image based on the first X-ray image and the at least second X-ray image. | 07-03-2014 |
| 20140185758 | APPARATUS AND METHOD FOR INCREASING ENERGY DIFFERENCE IN MULTI-ENERGY X-RAY (MEX) IMAGES - An apparatus for acquiring a MEX image includes an X-ray source to generate and irradiate a multi-peak X-ray spectrum onto an object, and an energy identifying detector to obtain a MEX generated when the irradiated multi-peak X-ray spectrum passes through an object. | 07-03-2014 |
| 20140185759 | METHOD AND APPARATUS OF GENERATING X-RAY IMAGE - Disclosed herein are an X-ray detection panel, an X-ray image generating module, an X-ray imaging apparatus, and a method of generating an X-ray image. The X-ray imaging apparatus includes an X-ray generator configured to emit X-rays; an X-ray detection panel comprising a plurality of pixel groups, each pixel group configured to detect X-rays having an energy band and to convert the detected X-rays into electrical signals; and an image processor configured to acquire readout data from the electrical signals of at least one of the plurality of pixel groups, to calculate estimated data, and to generate an X-ray image by combining the readout data and the estimated data. | 07-03-2014 |
| 20140185760 | X-RAY IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - The X-ray imaging apparatus includes an X-ray generator to generate and emit X-rays, an X-ray detector to detect the emitted X-rays and acquire X-ray data, and a controller to convert the X-ray data into X-ray characteristic coordinates and estimate a response characteristic function of the X-ray detector from a relationship between measurement data and reference data, the measurement data and the reference data being converted into the X-ray characteristic coordinates. | 07-03-2014 |
| 20140185761 | X-RAY IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - Disclosed are an X-ray imaging apparatus that captures one or more images of an inner part of the human body or the like, and a method for controlling the apparatus. In particular, an imaging system includes an X-ray generator which is configured to irradiate a target object with X-rays, a detector which is configured to detect X-rays which are emitted at a plurality of times and which have propagated through the target object, a driver which is configured to change a position of the X-ray generator or the detector, an image processor which is configured to generate a plurality of X-ray images from the detected X-rays and to compare the plurality of X-ray images in order to generate at least one difference image, and a controller which is configured to detect tissues which constitute the target object based on the at least one difference image. | 07-03-2014 |
| 20140185762 | X-RAY IMAGING APPARATUS AND X-RAY IMAGING METHOD - An X-ray imaging apparatus includes an X-ray generator configured to generate and radiate X-rays to a subject, an X-ray detector configured to detect and convert X-rays transmitted through the subject into an image signal, and a controller configured to analyze the image signal of the subject and set gain of the X-ray detector according to detection regions. | 07-03-2014 |
| 20140185765 | X-RAY DETECTION PANEL, X-RAY IMAGING APPARATUS, AND X-RAY IMAGE GENERATION METHOD - An X-ray imaging apparatus includes an X-ray generator configured to emit X-rays to a subject; an X-ray detection panel including a plurality of light receiving elements each configured to receive X-rays that have passed through the subject, convert the X-rays into an electric signal, and output the electric signal, and a plurality of capacitor modules respectively corresponding to the plurality of light receiving elements, each of the plurality of capacitor modules including a plurality of capacitors connected to a corresponding one of the light receiving elements and configured to store the electric signal output from the corresponding light receiving element in at least one capacitor of the plurality of capacitors; and an image processor configured to read out the electric signal stored in the at least one capacitor of each of the plurality of capacitor modules to generate at least one X-ray image. | 07-03-2014 |
| 20140185766 | X-RAY IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - An X-ray imaging apparatus includes an X-ray generator configured to generate and emit X-rays, an X-ray detector configured to detect the X-rays and count a number of photons having energy equal to or greater than threshold energy per pixel among photons contained in the detected X-rays, a map generator configured to extract corrected threshold energy corresponding to target threshold energy mapped to each pixel, and a data correction unit configured to calculate corrected X-ray data corresponding to the corrected threshold energy per pixel from a plurality of X-ray data acquired based on a plurality of images of a target object obtained by using a plurality of approximate energies equal or approximate to the target threshold energy as threshold energy of the X-ray detector. | 07-03-2014 |
| 20140247918 | MOBILE X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - A mobile X-ray imaging apparatus and method of controlling the same, the mobile X-ray imaging apparatus including a movable main body, an X-ray source installed on the main body via an arm, a tilt angle and rotation angle of the arm being adjustable, a portable X-ray detector configured to detect X-rays emitted from the X-ray source, a position information acquirer configured to acquire position information indicating a position of the X-ray source relative to the portable X-ray detector, and a position controller configured to control the X-ray source to move to a position corresponding to the portable X-ray detector based on the acquired position information. | 09-04-2014 |
| 20140254757 | X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - Disclosed are an X-ray imaging apparatus, which may acquire different phase contrast image signals on a per energy band basis simultaneously without moving a detector or emitting X-rays multiple times by using a photon counting detector that separates detected X-rays into a plurality of energy bands, and a control method for the same. The X-ray imaging apparatus includes an X-ray source which is configured to generate X-rays and emit the X-rays toward a subject, an X-ray detector which is spaced apart from the subject by a predetermined distance and configured to detect X-rays which have propagated through the subject, and to separate the detected X-rays into a plurality of energy bands in order to acquire phase contrast image signals on a per energy band basis, and an image processor which is configured to form a phase contrast image of the subject by using the acquired phase contrast image signals. | 09-11-2014 |
| 20140270064 | X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - The X-ray imaging apparatus to form a phase contrast image includes an X-ray source that generates X-rays to emit the X-rays to an object; an X-ray detector configured to detect X-rays having passed through the object to acquire phase contrast image signals on a per energy band basis; and a quantitative data acquirer configured to calculate approximate quantitative data of two or more constituent substances of the object using a relation between the phase contrast image signals on the per energy band basis and quantitative data of the constituent substances, and estimate quantitative data of the constituent substances by iteratively applying a regularization function to the approximate quantitative data. | 09-18-2014 |
| 20140284492 | PHOTON COUNTING DETECTOR TO GENERATE HIGH-RESOLUTION IMAGES AND HIGH-CONTRAST IMAGES, AND PHOTON COUNTING AND DETECTING METHOD USING THE SAME - A photon counting detector and a photon counting and detecting method using the same is provided. The photon counting detector includes readout circuits configured to count photons in multi-energy radiation incident to a sensor, the photons being counted with respect to each of a plurality of energy bands of the multi-energy radiation, the readout circuits respectively corresponding to pixels of a region onto which the multi-energy radiation is irradiated, each of the readout circuits being configured to count photons in a predetermined one of the energy bands, at least one of the readout circuits being configured to count photons in at least one of energy bands other than the predetermined one of the energy bands. | 09-25-2014 |
| 20140309518 | MEDICAL IMAGING APPARATUS, CONTROL METHOD THEREOF, AND IMAGE PROCESSING APPARATUS FOR THE SAME - Provided is a medical imaging apparatus including a scanner configured to acquire projection data of an object, a three dimensional (3D) recovery module configured to recover a volume of the object based on the projection data, a two dimensional (2D) image generator configured to generate a 2D image of the object based on the volume of the object, a 3D image generator configure to generate a 3D image of the object based on the volume of the object, a 2D display configured to display the 2D image of the object, and a 3D display configured to display the 3D image of the object. | 10-16-2014 |
| 20140328530 | MEDICAL IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - Provided is a medical imaging apparatus including: a scanner configured to obtain projection data of an object; a three-dimensional restoring module configured to restore a volume of the object based on the projection data; a volume segmentation module configured to segment a plurality of material volumes corresponding to a plurality of materials included in the object based on the volume of the object; a reprojection module configured to generate a plurality of reprojection images according to the plurality of materials by reprojecting the plurality of material volumes from a plurality of virtual viewpoints; and an image fusion module configured to generate a plurality of fusion images according to the plurality of virtual viewpoints, each of the plurality of fusion images being generated by fusing reprojection images according to plurality of materials obtained from the same virtual viewpoint. | 11-06-2014 |
| 20140328531 | MEDICAL IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - A medical imaging apparatus includes: a scanner configured to obtain projection data of an object; a three-dimensional restorer configured to restore a volume of the object from the projection data; a volume segmentor configured to generate at least one partial volume based on the volume of the object; a reprojector configured to generate a plurality of reprojection images according to a plurality of virtual viewpoints by reprojecting at least one from among the volume and the at least one partial volume from the plurality of virtual viewpoints; and an image fuser configured to generate a plurality of fusion images by fusing at least two of the plurality of reprojection images according to the virtual viewpoints. | 11-06-2014 |
| 20140332671 | PHOTON COUNTING CONTROLLER, RADIOGRAPHIC IMAGING APPARATUS, AND CONTROL METHOD OF PHOTON COUNTING CONTROLLER - The photon counting controller includes an amplification controller to charge an input electrical signal, to amplify the input electrical signal, and to discharge the charged electrical signal, a charge controller to control a charge and a discharge of the electrical signal of the amplification controller based on a received feedback signal, and a measuring controller to compare voltage of the amplified electrical signal with reference voltage and to count photons based on a result of comparison. | 11-13-2014 |
| 20140334600 | X-RAY DETECTOR, X-RAY IMAGING APPARATUS HAVING THE SAME AND METHOD OF CONTROLLING THE X-RAY IMAGING APPARATUS - An X-ray detector includes a light receiver configured to generate charges of a quantity corresponding to energy of a photon, a comparison device including a plurality of comparators, each of the comparators being configured to compare a voltage signal corresponding to the quantity of the generated charges with a respective threshold voltage and output a result of the comparison as a pulse signal, a counter device including a plurality of counters, each of the counters being configured to count a pulse of a certain state, and a synchronous control circuit configured to receive as input the pulse signals output from each of the comparators and to output the pulse of the certain state to one of the counters corresponding to a highest threshold voltage of the threshold voltages which is less than a peak value of the voltage signal. | 11-13-2014 |
| 20140341336 | X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - An X-ray imaging apparatus and method for controlling the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes an X-ray source configured to generate and emit X-rays onto an object, an X-ray detector configured to detect the X-rays transmitted through the object and convert the X-rays into an electrical signal, a heating portion located at an upper portion of the X-ray detector configured to contact a lower part of the object, a heat transfer portion configured to transfer heat produced in the X-ray source to the heating portion, and a thermal insulation member located between the X-ray detector and the heating portion configured to block heat from being transferred to the X-ray detector. | 11-20-2014 |
| 20140348291 | X-RAY IMAGING APPARATUS AND CONTROL METHOD FOR THE SAME - Provided is an X-ray imaging apparatus including an X-ray source to emit an X-ray onto a breast, a detector assembly configured to detect the X-ray transmitted through the breast, a compression paddle configured to compress the breast positioned on the detector assembly, a paddle manipulator configured to control the compression paddle according to a command, a degree-of-compression sensor configured to measure a degree of compression to which the breast is compressed by the compression paddle, and a pressure controller configured to supply a pressure corresponding to the measured degree of compression of the breast to the paddle manipulator. | 11-27-2014 |
| 20140355735 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein are an X-ray imaging apparatus capable of reducing a dose of radiation, and a control method thereof. The X-ray imaging apparatus includes: a gantry configured to rotate around an object, the object being placed on a table that is configured to be transported into a bore; a depth camera provided on the gantry, the depth camera configured to acquire a depth image of the object; an image processor configured to acquire thickness information of the object from the depth image of the object; and a controller configured to set a dose of X-rays to be irradiated to the object according to the thickness information of the object. | 12-04-2014 |
| 20140355739 | RADIOGRAPHIC IMAGING APPARATUS AND RADIOGRAPHIC IMAGE GENERATION METHOD - The radiographic image generation method includes acquiring a plurality of radiographic images corresponding to the number of radiation dose portions by emitting radiation to an object by dividing a radiation exposure dose into the radiation dose portions, and by detecting the emitted radiation, and matching the plurality of acquired radiographic images. | 12-04-2014 |
| 20140355860 | RADIOGRAPHIC IMAGING APPARATUS AND CONTROL METHOD THEREOF - A radiographic imaging control method includes combining a plurality of images by applying a first weight to the plurality of images, displaying a composite image, acquired by combining the plurality of images, newly receiving a second weight with respect to the composite image, recombining the plurality of images based on the received second weight, and displaying a recombined image, acquired by recombining the plurality of images. | 12-04-2014 |
| 20140369464 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein are an X-ray imaging apparatus and a control method thereof in which a clear 3D volume of an object may be acquired when the 3D volume of the object is reconstructed from X-ray images acquired by radiating X-rays to the object. The X-ray imaging apparatus includes an image processing unit configured to acquire a plurality of X-ray images of an object from converted electrical signals, group the plurality of X-ray images into groups of X-ray images acquired from the same cardiac phase, and perform image reconstruction of each of the groups acquired as a result of the grouping. | 12-18-2014 |
| 20140369472 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - An X-ray imaging apparatus and control method for the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes an X-ray source to generate X-ray beams, and to irradiate the X-ray beams onto an object; a first X-ray detector configured to detect X-ray beams transmitted through the object and generate a first phase contrast signal; an X-ray obtainer including an X-ray collimator and a second X-ray detector, wherein the X-ray collimator is spaced apart from the object by a predetermined distance, and configured to focus the X-ray beams transmitted through the object, and wherein the second X-ray detector is configured to detect the focused X-ray beams and generate a second phase contrast signal based on the detected X-ray beams; and an image processor configured to create a phase contrast image and an absorption image of the object. | 12-18-2014 |
| 20150055746 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - An X-ray imaging apparatus automatically distinguishes between right and left breasts during mammography. The X-ray imaging apparatus includes: an X-ray assembly configured to press a breast, irradiate X-rays onto the pressed breast, and detect X-rays transmitted through the breast; two handles respectively provided in both sides of the X-ray assembly so that a patient is able to grip the handles, each handle including a sensor for detecting the patient's grip; and a controller configured to determine a position of a handle including the sensor that has detected the patient's grip, and to determine that a breast subject to mammography is a breast corresponding to the determined position. | 02-26-2015 |
| 20150063528 | X-RAY IMAGING APPARATUS AND METHOD OF CONTROLLING THE SAME - Disclosed herein are an X-ray imaging apparatus and a method for controlling the same. The X-ray imaging apparatus includes an X-ray generator configured to radiate first-energy X-rays toward an object, an X-ray detector configured to detect the first-energy X-rays which propagate through the object, an image processor configured to generate a first object image which correspond to the detected first-energy X-rays and to estimate a second object image which corresponds to second-energy X-rays based on the generated first object image, and a controller configured to control the image processor to repeatedly estimate the second object image by controlling the X-ray generator to repeatedly radiate the first-energy X-rays toward the object. | 03-05-2015 |
| 20150063537 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein is an X-ray imaging apparatus including: an X-ray generator including a first X-ray source configured to irradiate a first X-ray onto an object, and at least one second X-ray source spaced apart from the first X-ray source and configured to irradiate at least one second X-ray onto the object; an X-ray detector configured to detect the first X-ray which has propagated through the object and the at least one second X-ray which has propagated through the object; and an image processor configured to produce a first X-ray image of the object based on the detected first X-ray, to produce at least one second X-ray image of the object based on the detected at least one second X-ray, and to produce a stereoscopic image of the object based on the first X-ray image and the at least one second X-ray image. | 03-05-2015 |
| 20150063545 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - Disclosed herein are an X-ray imaging apparatus for optimizing radiography conditions upon radiography, and a control method thereof. The X-ray imaging apparatus includes: an input device configured to receive information about a patient; and a controller configured to conduct a search for a previously obtained X-ray image related to the information about the patient and a previously set radiography condition related to the information about the patient, and to set a radiography condition for a main-shot based on a result of the search. | 03-05-2015 |
| 20150085972 | X-RAY IMAGING APPARATUS AND CONTROL METHOD THEREOF - An X-ray imaging apparatus includes an X-ray generator configured to transmit X-rays to an object, an X-ray detector configured to detect the X-rays transmitted through the object and convert the detected X-rays into electrical signals, a gantry in which the X-ray generator and the X-ray detector are installed so as to be opposite to each other, the gantry being rotatable about a bore, a controller configured to control a rotation of the gantry during bio-signal cycles of the object so that the gantry is rotated from different start positions whenever one of the bio-signal cycles is started, and an image processor configured to generate a 4D image of the object by applying a prior image-based compressed sensing image reconstruction algorithm to plural 2D projection images acquired from the electrical signals generated by converting the X-rays detected during the rotation of the gantry. | 03-26-2015 |
