Patent application number | Description | Published |
20090185621 | Video encoding/decoding apparatus and method - Provided are a resolution varying video encoding/decoding apparatus and method are provided. The video encoding apparatus comprises a resolution varying encoder to perform an encoding operation using motion estimation and compensation on a current image having a first resolution and a current image having a second resolution according to a resolution control signal to generate a bitstream, and a controller to generate the resolution control signal for varying a resolution to the first resolution or the second resolution at a predetermined interval. The video decoding apparatus comprises an analyzer to analyze a bitstream composed of encoded data having a first resolution or a second resolution and to generate a resolution control signal corresponding to a resolution flag included in the bitstream, and a resolution varying decoder to perform a decoding operation using motion compensation on encoded data having the first resolution and encoded data having the second resolution according to the resolution control signal to generate a reconstructed image. | 07-23-2009 |
20090190843 | Image encoding apparatus and image decoding apparatus - Provided are an image encoding apparatus and an image decoding apparatus. The image encoding apparatus includes a compression unit compressing a reference image by reducing a resolution of the reference image in a resolution adjustment mode determined from among at least two resolution adjustment modes according to a distribution of values of pixels of the reference image, and providing the compressed reference image to a memory, a reconstruction unit reconstructing the reference image by increasing a resolution of the compressed reference image stored in the memory to an original resolution, a predictive encoding unit performing predictive encoding on a current image by using the reconstructed reference image, and a predictive decoding unit generating the reference image by performing decoding on the predictive encoded current image, and providing the generated reference image to the compression unit. | 07-30-2009 |
20100157146 | APPARATUS AND METHOD FOR CONVERTING IMAGE IN AN IMAGE PROCESSING SYSTEM - An image conversion apparatus and method for converting a progressive image into an interlaced image in an image processing system are provided. A controller determines a number of frames to be used to convert a progressive image into an interlaced image. A converter generates an interpolated image for the progressive image according to the determined number of frames, and converts the progressive image into an interlaced image using the interpolated image. | 06-24-2010 |
20100195900 | APPARATUS AND METHOD FOR ENCODING AND DECODING MULTI-VIEW IMAGE - An apparatus and method for encoding and decoding a multi-view image including a stereoscopic image are provided. The apparatus for encoding a multi-view image includes a base layer encoding unit that encodes a base layer image to generate a base layer bit stream, a view-based conversion unit that performs view-based conversion of the base layer image to generate a view-converted base layer image, a subtractor obtaining a residual between a enhancement layer image and the view-converted base layer image, and an enhancement layer encoding unit that encodes the obtained residual to generate an enhancement layer bit stream. | 08-05-2010 |
20100226427 | APPARATUS AND METHOD FOR ENCODING AND DECODING MULTILAYER VIDEOS - A multilayer video encoding/decoding apparatus and method using residual videos, in which a base layer video is output by decoding a base layer bitstream, individual layer videos are output by decoding encoded individual layer bitstreams, format up-conversion is performed on the base layer video and at least one of the individual layer residual videos, and individual layer videos having different formats from the base layer video are reconstructed using the conversion results. | 09-09-2010 |
20110013082 | APPARATUS AND METHOD FOR CONVERTING IMAGE IN AN IMAGE PROCESSING SYSTEM - A method and apparatus for converting an image in an image processing system are provided, in which if a plurality of low-definition video frames are used for converting a low-definition picture to a high-definition picture, a weight is determined for each of the plurality of low-definition video frames, and one of two image fields that form a high-definition video frame is generated using the plurality of low-definition video frames according to the weights of the plurality of low-definition video frames. | 01-20-2011 |
20110285832 | THREE DIMENSIONAL IMAGE DISPLAY DEVICE AND A METHOD OF DRIVING THE SAME - A three dimensional (3D) image display device including a display unit receiving a time-division configured 3D image, the time division configured 3D image including a plurality of two-dimensional (2D) images spaced apart over time; and a synchronization unit identifying first images in the plurality of 2D images to be viewed with a first viewer and second images in the plurality of 2D images to be viewed with a second viewer, and generating a synchronization signal based on the first and second images, wherein the display unit displays the plurality of 2D images on a full screen of the display unit. | 11-24-2011 |
20120127383 | Three Dimensional Image Display Device - A three-dimensional image display device includes a display and a polarization switching panel. The display includes a signal transmitter, and is configured to alternately display a left eye image and a right eye image. The polarization switching panel includes a signal receiver, an upper substrate, an upper electrode disposed on the upper substrate, a lower substrate, and a lower electrode disposed on the lower substrate. The signal transmitter and the signal receiver are synchronized by a 3D synchronization signal. | 05-24-2012 |
20120147162 | METHOD OF DISPLAYING STEREOSCOPIC IMAGE AND DISPLAY APPARATUS FOR PERFORMING THE SAME - A method of displaying a stereoscopic image provides first light having a first wavelength and second light having a second wavelength different from the first wavelength to the a display panel according to left-eye and right-eye images displayed on the display panel. Color correcting data are generated by correcting at least one of left-eye color data corresponding to the left-eye image and right-eye color data corresponding to the right-eye image such that a first color coordinate according to the first light and a second color coordinate according to the second light coincide with each other with respect to the same color. The left-eye and right-eye images are displayed using light having wavelengths different from each other, so that a display quality of the stereoscopic image may be enhanced. | 06-14-2012 |
20120242931 | Three-Dimensional Stereoscopic Display Apparatus - A display apparatus includes a display panel displaying an image. A backlight assembly is disposed under the display panel. A phase delaying plate is disposed on the display panel. The backlight assembly emits a collimated light in a direction substantially perpendicular to the display panel. The phase delaying plate includes a phase delaying layer. The phase delaying layer includes a first pattern delaying a phase of the light passing the display panel by a first phase and a second pattern delaying the phase of the light passing the display panel by a second phase. The second phase is different from the first phase. Accordingly, a spatial crosstalk may be minimized and the optimal viewing angle of the display apparatus may be increased. | 09-27-2012 |
20120314768 | METHOD AND DEVICE FOR ENCODING/DECODING A PREDICTION IMAGE IN A LAYERED CODING STRUCTURE - There is provided a method and apparatus for efficiently coding/decoding pictures in a layered coding structure. The method for decoding pictures in a layered coding structure includes determining a block mode of a target block for which a prediction picture is to be generated, from a received block-based bitstream; and generating the prediction picture based on the determined block mode and peripheral block information including picture type information for a peripheral block of the target block. | 12-13-2012 |
20130241922 | METHOD OF DISPLAYING THREE DIMENSIONAL STEREOSCOPIC IMAGE AND DISPLAY APPARATUS PERFORMING FOR THE METHOD - A method of displaying a three-dimensional (ā3Dā) image includes displaying a left-eye image and a right-eye image on a display panel, the display panel including a first sub pixel, a second sub pixel, a third sub pixel and a fourth sub pixel sequentially arranged in a row direction and driving an active barrier panel to form an opening part configured to transmit light and a barrier configured to block light, the active barrier panel including a first barrier electrode, a second barrier electrode, a third barrier electrode and a fourth barrier electrode respectively corresponding to the first, second, third and fourth sub pixels. | 09-19-2013 |
20130335385 | 3-DIMENSIONAL IMAGE DISPLAY DEVICE AND DRIVING METHOD THEREOF - A 3-dimensional image display device and a driving method thereof, the method including using a first array of a matrix of unit pixels to form an image while a remaining array of the unit pixels displays black, and forming openings in a barrier panel to expose the unit pixels of the first array, the width of the openings ranging from 1.5 to 2 times the width of the exposed unit pixels. | 12-19-2013 |
20140022219 | DISPLAY DEVICE AND METHOD FOR OPERATING THE DISPLAY DEVICE - A display device includes a display panel configured to receive a first-frame image signal for displaying a first-frame image in a first frame. The display panel is further configured to receive a second-frame image signal for displaying a second-frame image in a second frame that immediately follows the first frame such that the display panel appears to display a transition region associated with a boudary between a portion of the first-frame image and a portion of the second-frame image and moving in a moving direction. The display device further includes an optical effect layer and electrode sets. The electrode sets respectively overlap different portions of the optical effect layer and are configured for sequentially starting affecting the different portions of the optical effect layer such that the optical effect layer appears to display a light-blocking section that moves in the moving direction and overlaps the transition region. | 01-23-2014 |
20140063001 | ACTIVE BARRIER PANEL AND THREE DIMENSIONAL IMAGE DISPLAY APPARATUS HAVING THE SAME - An active barrier panel includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first opening electrode configured to operate as a first opening transmitting the light and a first barrier electrode configured to as a first barrier blocking the light, the first opening electrode and the first barrier electrode having a step structure. The second substrate includes a second opening electrode configured to operate as a second opening and crossing at a right angle to the first opening electrode, and a second barrier electrode configured to operate as a second barrier and crossing at a right angle to the first barrier electrode. The liquid crystal layer is disposed between the first and second substrates. | 03-06-2014 |
20140063015 | DISPLAY APPARATUS AND METHOD OF DISPLAYING THREE DIMENSIONAL IMAGES USING THE SAME - A display apparatus includes a display panel, a light source part and a directional light projecting element. The display panel displays a first image during a first subframe and a different second image during a second subframe. The light source part provides light to the display panel. The directional light projecting element is disposed between the display panel and the light source part. The directional light projecting element includes a barrier part and a lens part disposed above the barrier part. The barrier part has a plurality of barriers defined as a plurality of first electrodes and a plurality of second electrodes crossing the first electrodes. The lens part has a plurality of lenses disposed in a first direction and a second direction crossing the first direction. Each of the lenses corresponds to a subset of plural lenses among the plurality of the barriers. | 03-06-2014 |
20140092329 | DISPLAY APPARATUS AND METHOD OF DISPLAYING THREE DIMENSIONAL IMAGE USING THE SAME - A display panel displays a first image during a first subframe and a second image during a second subframe. A display panel driver provides the first and second images to the display panel. A light source part provides light to the display panel. A light converting element is disposed between the display panel and the light source part and includes a barrier part and a lens part disposed on the barrier part. The barrier part has a plurality of independently controllable barrier groups. A position detecting part determines a position of a viewer. A barrier driver controls the barrier part to selectively transmit light from the light source part based on the viewer's position. A single barrier group includes a plurality of barriers, and a single barrier includes a plurality of sub-barriers. | 04-03-2014 |
20140118332 | METHOD OF DRIVING ACTIVE BARRIER PANEL AND DISPLAY APPARATUS FOR PERFORMING THE METHOD - A method of driving an active barrier panel, the active barrier panel comprising an electrode unit which has n barrier electrodes operating as an opening part transmitting light and n barrier electrodes operating as a barrier part blocking the light, the method includes calculating a crosstalk distribution of each of observer's left-eye and right-eye corresponding to each of 2n barrier-shift modes, according to an observer's position, dividing an active area of the active barrier panel into at least one barrier block based on a flat portion of the crosstalk distribution, in which a minimum crosstalk is maintained, determining the barrier-shift mode for each barrier block to maintain the minimum crosstalk, and operating the electrode unit in a corresponding barrier block in the determined barrier-shift mode. | 05-01-2014 |
20140160097 | DISPLAY MODULE CHIPSET INCLUDING SENSOR INTERFACE AND DISPLAY DEVICE HAVING THE DISPLAY MODULE CHIPSET - A timing controller includes a timing generation circuit configured to generate a plurality of timing control signals to control timing of image data displayed on a flat display panel, in response to a plurality of control signals, and a command generation circuit configured to analyze a sensing signal output by at least one sensor and generate a command associated with processing of the image data based on a result of the analysis. The command generation circuit may be built within a data driver or may be implemented by using a separate dedicated chip. | 06-12-2014 |
20140354613 | DISPLAY DEVICE AND METHOD FOR OPERATING THE DISPLAY DEVICE - A display device includes a display panel configured to receive a first-frame image signal for displaying a first-frame image in a first frame. The display panel is further configured to receive a second-frame image signal for displaying a second-frame image in a second frame that immediately follows the first frame such that the display panel appears to display a transition region associated with a boudary between a portion of the first-frame image and a portion of the second-frame image and moving in a moving direction. The display device further includes an optical effect layer and electrode sets. The electrode sets respectively overlap different portions of the optical effect layer and are configured for sequentially starting affecting the different portions of the optical effect layer such that the optical effect layer appears to display a light-blocking section that moves in the moving direction and overlaps the transition region. | 12-04-2014 |