| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 348453000 | Specified chrominance processing | 73 |
| 20080204594 | VIDEO SIGNAL CONVERTER WITH SIGNAL FILTER - A video signal converter converts a color graphics array (CGA) video signal to a video graphics array (VGA) video signal without a horizontal sync spike. The converter includes an input interface, a conversion circuit and an output interface. The input interface is configured to receive a color graphic array (CGA) video signal. The conversion circuit is configured to convert the CGA video signal to a video graphic array (VGA) video signal. The output interface is configured to output the VGA video signal with a reduced horizontal sync spike. This is necessary for the use of auto-alignment of the LCD display | 08-28-2008 |
| 20090015713 | Arrangement and method for processing image data - A method includes capturing an image and providing video frame data representative of the image in a first format. The video frame data in the first format includes a plurality of pixel data, the pixel data of each pixel containing single color data. The method also includes generating pixel data of a detection block representative of a subset of the video frame data using a homographic association of pixels of the detection block to the pixel data containing single color data, wherein the pixel data of each pixel of the detection block contains multiple color data. The method further contains providing the detection block to an image detection algorithm. | 01-15-2009 |
| 20090021638 | Chromatic coordinate converting apparatus, imaging apparatus, computer readable recording medium, and creating method of chromatic coordinate converting table - A proposition is to perform a high accurate chromatic coordinate conversion of a chromaticity value generated by a color sensor into a chromaticity value of a predetermined chromaticity coordinate system, and to perform an accurate color-reproduction. A chromatic coordinate converting apparatus includes a recording unit recording information representing a chromaticity coordinate system unique to the color sensor in advance, and a converting unit performing a chromatic coordinate conversion of a first chromaticity value being a chromaticity value generated by the color sensor into a second chromaticity value of the predetermined chromatic coordinate system based on the information recorded by the recording unit. | 01-22-2009 |
| 20090079867 | Chroma Upsampling Method and Apparatus Therefor - A unique method for chroma vertical upsampling used, for example, for conversion of the “4:2:0” format chroma information used in many applications of digital video, to the “4:2:2” or “4:4:4” format, is presented. This conversion is required so that video encoders can effect the display of this chroma information with a minimum of visible artifacts. The present invention carries out chroma vertical upsampling on a pixel by pixel basis. This chroma vertical upsampling is performed as a function of the amount of motion associated with each pixel as detected between 2 or more fields, and the field, frame and progressive sequence characteristics of the incoming video signal data. | 03-26-2009 |
| 20090086094 | APPARATUS AND METHOD OF CONVERTING IMAGE SIGNAL FOR FOUR-COLOR DISPLAY DEVICE - An apparatus for converting three-color image signals to four-color image signals including a white signal comprises a data processor which generates the four-color image signals from the three-color image signals, calculates distortion values associated with conversion to the four-color image signals, and calculates scaling factors from the distortion values, the scaling factors being used to scale image signals in generating the four-color image signals. A method for operating the apparatus is also provided. | 04-02-2009 |
| 20090128694 | APPARATUS AND METHOD OF CONVERTING IMAGE SIGNAL FOR FOUR- COLOR DISPLAY DEVICE, AND DISPLAY DEVICE INCLUDING THE SAME - A method of converting image signals for a display device including six-color subpixels is provided, which includes: classifying three-color input image signals into maximum, middle, and minimum; decomposing the classified signals into six-color components; determining a maximum among the six-color components; calculating a scaling factor; and extracting six-color output signals. | 05-21-2009 |
| 20090201418 | Video display system - A video display system includes an image processing unit receives continuously an input video signal including input frame signals for generating an output video signal including output frame signals having a higher frame rate than the input frame signals; and a display unit for displaying a video image in accordance with the output frame signals , wherein each of the input frame signals has 2̂M gray scale levels for each pixel, the image processing unit further generates the output frame signals including at least a first output frame signal having 2̂N gray scale levels with N̂M for each pixel and a second output frame signal having [2̂M-2̂N] or fewer gray scale levels for each pixel. | 08-13-2009 |
| 20090231487 | Image processing apparatus and method for format conversion - A signal processing apparatus converts interlaced 4:2:2-format video signals including a luminance component and two chroma components into interlaced 4:2:0 format video signals. A downsampling low-pass filter has such a group delay that a modulo-1 remainder of the group delay at frequency ω=0 is substantially equal to 0.25. The downsampling low-pass filter is designed together with an associated upsampling low-pass filter such that the first downsampling low-pass filter and the upsampling low-pass filter substantially satisfy perfect reconstruction filter bank condition, and such that a sum of the group delay of the first downsampling low-pass filter and a group delay of a normalized filter obtained by making the sum of all the coefficients of the upsampling low-pass filter equal to 1 is substantially equal to an integer number at frequency ω=0. | 09-17-2009 |
| 20090262241 | IMAGE SIGNAL GENERATION UNIT, DIGITAL CAMERA, AND IMAGE SIGNAL GENERATION METHOD - An image signal generation unit comprises a horizontal pixel number conversion unit for performing the conversion of horizontal direction pixels corresponding to horizontal scanning period of NTSC system, for digital image data of the chrominance difference having the picture element number configuration based on the VGA standard, and a liquid crystal encoder for generating the primary color group digital image data RGB from digital image data YUV processed by the horizontal pixel number conversion unit, and output them directly on a liquid crystal display. | 10-22-2009 |
| 20090278982 | COLOR IMAGE DISPLAY DEVICE AND COLOR CONVERSION DEVICE - A color image display device is provided to reproduce colors determined by an input video signal in a color space of the display device while keeping a wide color reproducing region of the display device with natural hues. On the assumption that a color space is hypothetically considered so that an input signal is originally in hue in a first color range while an increasing saturation is reproduced with hues changed gradually to a widening direction of color reproduction in a second color range or more, the color converting portion | 11-12-2009 |
| 20100085480 | IMAGE PROCESSOR, AND IMAGE PROCESSING METHOD - When correcting (converting) a video signal from an imaging system and a recording system to be faithfully reproduced on a display device, this image processor corrects (converts) the video signal to a video equal to that reproduced by an ideal display device intended by an imaging person. Therefore, the image processor is capable of reproducing and displaying the video which is faithful to the color intended by the imaging person and which contains no distortion in luminance to a viewer who is an end user. The image processor has a means which is connected directly or indirectly with the display device to transmit video information, a means which obtains or selecting reproduction property information of the connected display device, a means which converts the video information to reproduce a video in a faithful color on the display device with the use of the obtained reproduction property information, and a means which controls a transmission part to output the converted video information. Moreover, the image processor has a means for performing similar processing for reproducing the video containing no distortion in luminance. | 04-08-2010 |
| 20100118186 | SIGNAL PROCESSING METHOD AND SIGNAL PROCESSING SYSTEM - A signal SG | 05-13-2010 |
| 20100157149 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, COMPUTER PROGRAM, RECORDING MEDIUM STORING THE COMPUTER PROGRAM, FRAME-TO-FRAME MOTION COMPUTING METHOD, AND IMAGE PROCESSING METHOD - An image processing apparatus and method is provided to generate a moving picture with a high resolution, a high frame rate and a high SNR by eliminating a decrease in SNR even if the intensity of incoming light has been halved by a half mirror. The apparatus generates a multi-color moving picture based on first and second moving pictures, which respectively have first and second frame rates (where the second rate is higher than the first rate) and are comprised of pictures representing a first color component and pictures representing a second color component different from the first color component. The resolution of the second moving picture is equal to or lower than that of the first moving picture. The apparatus includes: a first image synthesizing section, which generates, based on the data of the first and second moving pictures, a synthetic picture by modifying some of the pictures that form the first moving picture and which outputs a synthesized moving picture corresponding to the first moving picture at a higher frame rate than the first frame rate by using the first moving picture and the synthetic picture; and a second image synthesizing section, which receives and synthesizes together the synthesized moving picture and the second moving picture, thereby generating a multi-color moving picture including the first and second color components. | 06-24-2010 |
| 20100157150 | METHOD AND APPARATUS FOR CORRECTING COLOR OF DISPLAY DEVICE - In order to improve video quality by accurately detecting a preferred color region and correcting the preferred color region to a target color, a method for correcting a color of a display device includes converting input R/G/B data into Y/Cb/Cr data, calculating a weight by an exponential function using a dispersion and a distance between an input value and a target value of the Y/Cb/Cr data, comparing the calculated weight with a target color range so as to detect a target color region, and calculating a detection probability, detecting an average value, a minimum value and a maximum value of the Y/Cb/Cr data for the detected target color region from a previous frame, calculating a correction constant using the average value, the minimum value and the maximum value of the Y/Cb/Cr data, a predetermined target value of the Y/Cb/Cr data, and the Y/Cb/Cr which is detected as the target color region and is input, adding the detection probability to the calculated correction constant as the weight so as to calculate a correction amount, correcting the input Y/Cb/Cr data using the calculated correction amount so as to output the Y/Cb/Cr data, and inversely converting the corrected Y/Cb/Cr data into R/G/B data. | 06-24-2010 |
| 20100165192 | METHOD FOR TRANSMITTING MAN-MACHINE OPERATION PICTURE, MOBILE VIDEO DEVICE THEREOF, AND VIDEO SYSTEM USING THE SAME - A method for transmitting a man-machine operation picture, a mobile video device thereof, and a video system using the same are provided, which are applicable to a first mobile video device and a second mobile video device wirelessly connected to each other, and the first mobile video device includes a first screen. A display picture data is obtained from a video buffer of the first screen. The first screen displays a first picture according to the display picture data. The first mobile video device converts the display picture data into a video data compliant to a video format, and transfers the video data to the second mobile video device according to a video communication protocol. The second mobile video device displays a second picture according to the received video data, and a displaying content of the second picture substantially includes a displaying content of the first picture. | 07-01-2010 |
| 20100165193 | IMAGE PROCESSOR, IMAGE DISPLAY DEVICE, AND IMAGE PROCESSING METHOD - An image processor that corrects an image signal supplied to an image display section, includes: a luminance component correction amount calculating section that calculates the amount of correction of a luminance component of the image signal according to visual environment only for an image signal in a predetermined luminance level range in a predetermined spatial frequency band; and a luminance component correcting section that corrects the luminance component of the image signal using the amount of correction calculated by the luminance component correction amount calculating section. | 07-01-2010 |
| 20100188571 | Phase motion detector for baseband YC separation - Systems and methods are disclosed herein for a motion detection system for video signal processing that includes a luminance motion detector, a chroma motion detector, and a smoothness detector. These systems and methods may also include a phase motion detector, a baseband YC separation circuitry for video signal processing, a chip for video signal processing, and a video signal processing system used in an electronic article. | 07-29-2010 |
| 20100225806 | Image Processing Method - An image processing method is provided. An image signal is received and correspondingly converted to an original luminance value, an original first chroma value and an original second chroma value. The original luminance value is adjusted to a modulated luminance value. The modulated luminance value is larger than the original luminance value as the original luminance value is larger than a threshold. The modulated luminance value is less than the original luminance value as the original luminance value is less than the threshold. The original first and second chroma values are linearly adjusted to a modulated first chroma value and a modulated second chroma value according to an original vector between the original first and second chroma values and a white point in a color gamut. The modulated luminance value, the modulated first chroma value and the modulated second chroma value are reconverted to a modulated image signal. | 09-09-2010 |
| 20100295991 | LUMINANCE INFORMATION DISPLAY APPARATUS AND METHOD - A display method and apparatus are provided for enabling a user, whether or not he has experience, to readily detect a luminance level of a video image with high accuracy. A luminance level of a video signal of a video image is converted to color information to display a change in the luminance of the video image as a change in color. The conversion preferably involves a method of converting the luminance level to color information of three primary colors, red, green, blue, in accordance with a plurality of weights, respectively, a method of converting a luminance level in a predetermined range to color information having a changing rate larger than a changing rate of the luminance level, a method of converting a luminance level out of the predetermined range to color information of a maximum or a minimum level, or the like. Also, the input video signal is preferably displayed together with a converted video image side by side or one on another. | 11-25-2010 |
| 20100302439 | SYSTEM AND METHOD FOR COLOR GAMUT MAPPING - Methods and systems are described for conducting gamut mapping of color video signals from a first color gamut associated with video source to a second color gamut associated with a receiving display device. | 12-02-2010 |
| 20110019086 | HDMI Controller Circuit For Transmitting Digital Data To Compatible Audio Device Using Address Decoder Where Values Are Written To Registers Of Sub-Circuits - The present invention provides a high definition media interface (HDMI) controller having a modular design internal bus structure, and applications thereof. The controller includes a circuit interface, an address decoder coupled to the circuit interface, a plurality of sub-circuits, wherein each sub-circuit includes registers used to configure and control the sub-circuit, and a bus that couples the registers of each sub-circuit to the address decoder. After startup of the controller, the sub-circuits are configured by using the circuit interface, address decoder, and bus to write values to the registers of the sub-circuits. The sub-circuits of the controller include a video pixel sampler, an audio sampler, a frame composer, and a power controller. The video sampler can be configured to convert one of a plurality of RGB and YCbCr signals to a common format signal used by other sub-circuits of the controller. | 01-27-2011 |
| 20110037895 | System And Method For Global Inter-Frame Motion Detection In Video Sequences - Methods and systems for detecting and compensating for motion depicted in a sequence of frames are disclosed. One example method includes converting video frames to monochrome. Conversion of an image to monochrome includes sampling luminance data of a portion of pixels in the image to identify the image as being of a particular image type, selecting a bit plane of the image based on the identified image type, and converting the image to a monochrome image using the selected bit plane. After conversion of video frames to monochrome, a pixel subset in a monochrome image corresponding to a first frame is compared to candidate matching pixel subsets within a search area of a monochrome image corresponding to a second, consecutive frame. The frames are processed to compensate for perceived motion blur based on the detected inter-frame motion. | 02-17-2011 |
| 20110043689 | FIELD-OF-VIEW CHANGE DETECTION - Techniques are disclosed for detecting a field-of-view change for a video feed. These techniques differentiate between a new or changed scene and a temporary variation in the scene to accurately detect field-of-view changes for the video feed. A field-of-view change is detected when the position of a camera providing the video feed changes, the video feed is switched to a different camera, the video feed is disconnected, or the camera providing the video feed is obscured. A false-positive field-of-view change is not detected when the scene changes due to a sudden variation in illumination, obstruction of a portion of the camera providing the video feed, blurred images due to an out-of-focus camera, or a transition between bright and dark light when the video feed transitions between color and near infrared capture modes. | 02-24-2011 |
| 20110075028 | COLOR DIFFERENCE SIGNAL FORMAT CONVERSION DEVICE AND METHOD - According to one embodiment, an IP converter converts an interlaced color difference signal, in which the number of pixels in a vertical direction of a color difference signal is half that of a luminance signal, into a progressive color difference signal. A diagonal correlation detector detects a diagonal correlation of the progressive color difference signal, and obtains a correlative direction detected signal. A controller outputs a field selection signal to determine whether the progressive color difference signal is a signal in a top or bottom field. And a pixel generator changes a ratio between pixels of an n | 03-31-2011 |
| 20110080519 | SYSTEM AND METHOD FOR EFFICIENTLY PROCESSING DIGITAL VIDEO - In a digital video processing system for processing full-motion video in computer terminal systems, two main rendering paths are created for a computer terminal system: a screen buffer path and a full-motion video path. The screen buffer path renders a desktop display from a screen buffer within the terminal system. The full-motion video path decodes a video stream and then processes the decoded video stream with a video processing pipeline to fit the video frames within a destination video window within the desktop display. The video processing pipeline performs clipping, blending, chroma resampling, resizing, and color converting of the video frames in pipelined stages with minimal memory accesses. A video adapter then combines the desktop display with the processed digital video for a final terminal display. | 04-07-2011 |
| 20110080520 | SIGNAL CONVERSION CIRCUIT, AND MULTIPLE PRIMARY COLOR LIQUID CRYSTAL DISPLAY DEVICE HAVING THE CIRCUIT - There is provided a signal conversion circuit which is suitably used in a multiprimary liquid crystal display device (especially a multiprimary liquid crystal display device which performs display in a vertical alignment mode), and a multiprimary liquid crystal display device having such a signal conversion circuit. | 04-07-2011 |
| 20110141353 | METHOD OF REALISM ASSESSMENT OF AN IMAGE COMPOSITE - In a method of realism assessment of an image composite, the foreground and the background are transformed into a color space, such as YCbCr, followed by projecting the foreground and the background to a subspace represented by the axes representing chromatic information. The image composite is assessed in the projected subspace, according to linearity of color distributions of the foreground/the background, or according to distance between the color distributions of the foreground/the background and a center of the transformed color space. | 06-16-2011 |
| 20110149152 | IMAGE DISPLAY APPARATUS, INFORMATION PROCESSING APPARATUS, AND METHODS OF CONTROLLING THE SAME - Based on image data input to a display unit and an image on a display surface acquired by an acquisition unit, control is performed to decrease the difference between the input image data and the image displayed on the display surface. | 06-23-2011 |
| 20110249180 | Dual Burst Locked Oscillator Architecture for an Analog Television Receiver - Color information decoding on a composite video signal that includes modulated color information for an analog television receiver. A first burst locked oscillator (BLO) operates in a first loop gain, and a second BLO operates in second loop gain and is operatively connected to the first BLO. The first loop gain is higher than the second loop gain. A method includes receiving, in a first burst accumulator, mixed down color information directly from a first phase detector without filtering the mixed down color information, converting the composite video signal to a burst gate signal, accumulating one or more of the burst gate signal, and calculating a frequency offset for the second BLO in the first BLO expedite the calculating of the frequency offset and to compensate for the second BLO operating in the second gain loop. | 10-13-2011 |
| 20120002108 | Extender - In one embodiment, there is provided an extender for extending functions of an electronic apparatus. The extender includes: a connection terminal electrically connected to the electronic apparatus; input signal lines connected to the connection terminal to transmit a video signal that is supplied from the electronic apparatus via the connection terminal; a first video output terminal which complies with a first standard; a second video output terminal which complies with a second standard; and a signal converter configured to convert the video signal into a first video signal that complies with the first standard to output the first video signal to the first video output terminal and configured to convert the video signal into a second video signal that complies with the second standard to output the second video signal to the second video output terminal. | 01-05-2012 |
| 20120127364 | Color Space Conversion - A display pipe may include a video pipe outputting pixels of a video stream in a first color space, e.g. YCbCr color space. The display pipe may also include a first color space converter to convert the output pixels to a second color space, e.g. to RGB color space, producing a conversion output in which some of the converted output pixels have values that are invalid pixel values in the second color space. The display pipe may also include a blend unit that performs blending operations in the second color space on the converted output pixels to produce a blended conversion output that includes blended pixels in the second color space. A second color space converter in the display pipe may convert the blended pixels from the second color space to the first color space, and correctly display the converted blended pixels on a display screen. | 05-24-2012 |
| 20120200771 | HDMI Controller Circuit For Transmitting Digital Data To Compatible Audio Device Using Address Decoder Where Values Are Written To Registers Of Sub-Circuits - The present invention provides a high definition media interface (HDMI) controller having a modular design internal bus structure, and applications thereof. The controller includes a circuit interface, an address decoder coupled to the circuit interface, a plurality of sub-circuits, wherein each sub-circuit includes registers used to configure and control the sub-circuit, and a bus that couples the registers of each sub-circuit to the address decoder. After startup of the controller, the sub-circuits are configured by using the circuit interface, address decoder, and bus to write values to the registers of the sub-circuits. The sub-circuits of the controller include a video pixel sampler, an audio sampler, a frame composer, and a power controller. The video sampler can be configured to convert one of a plurality of RGB and YCbCr signals to a common format signal used by other sub-circuits of the controller. | 08-09-2012 |
| 20130002948 | DISPLAY DEVICE AND TELEVISION RECEIVER - It is an object of the present invention to obtain high brightness and appropriately correct the chromaticity of a display image, based on the configuration of a lighting device. A liquid crystal display device | 01-03-2013 |
| 20130038790 | Display Management Methods and Apparatus - Apparatus and methods for mapping video signal parameters such as tone and color may be applied at various points in a video generation and delivery pipeline. apparatus may be configured to control mappings based on a range of inputs which may include one or more of: ambient conditions, user inputs, control information, adaptation models. Apparatus and methods may be applied to display video or other images so as to preserve a creative intent embodied in video or other image data. | 02-14-2013 |
| 20130148019 | PIXEL DATA CONVERSION APPARATUS AND METHOD FOR DISPLAY WITH DELTA PANEL ARRANGEMENT - A pixel data conversion method for display with delta panel arrangement converts an input video signal into a temporary video signal which is a first RGB signal with 640 horizontal resolution in a strip panel arrangement and converts the temporary video signal into an output video signal which is a RGB signal with 320 horizontal resolution in the delta panel arrangement. Each line of the output video signal has 960 pixels. A pixel size ratio is defined as a ratio of a pixel size of the delta panel to a pixel size of the strip panel. The 320 horizontal resolution is obtained by dividing the 640 horizontal resolution by the pixel size ratio and then by three. | 06-13-2013 |
| 20130176489 | PRODUCTION APPARATUS AND CONTENT DISTRIBUTION SYSTEM - Provided is a production apparatus that can produce a distribution content that offers an even richer color tone expression during playback of video. The production apparatus for producing a distribution content including distribution video data is constituted by an original acquisition unit that acquires original video data; a distribution video acquisition unit that acquires the distribution video data, the distribution video data having been generated by conversion of the original video data to a lower gradation; a difference generation unit that generates difference data between the original video data and the distribution video data; and an output unit that outputs the difference data. A playback apparatus plays back the distribution content. | 07-11-2013 |
| 20130194494 | APPARATUS FOR PROCESSING IMAGE SIGNAL AND METHOD THEREOF - A video signal processing apparatus and a video signal processing method are provided. The video signal processing apparatus includes an image processing apparatus configured to receive and convert an external input image data signal into an output image data signal according to a color arrangement structure, wherein the image processing apparatus includes at least one current limiter to remap the external input image data signal with expanded number of bits. | 08-01-2013 |
| 20130208183 | COMMUNICATION DEVICE AND COMMUNICATION METHOD - One embodiment provides a communication device for transmitting a video to an external device through first to third transmission lines, the communication device including: a transmission module configured to transmit first color difference information and second color difference information concerned with adjacent two pixels through the first transmission line, to transmit first luminance information concerned with one of the two pixels through the second transmission line, and to transmit second luminance information concerned with the other of the two pixels through the third transmission line. | 08-15-2013 |
| 20130215326 | LIQUID CRYSTAL DISPLAY APPARATUS, AND DRIVING DEVICE AND DRIVING METHOD OF LIQUID CRYSTAL DISPLAY ELEMENT - A look-up table unit converts input video signal data of N bits into (M+F+D) bit data by performing inverse gamma correction and linear interpolation. An error diffusion unit converts the (M+F+D) bit data into (M+F) bit data by error diffusion processing. A frame rate control unit converts the (M+F) bit data into M bit data by frame rate control. A sub-frame data conversion unit, by using a gradation driving table and the M bit data, generates sub-frame data in which all sub-frames include a step-bit pulse respectively, and in which the number of sub-frames to be in a drive state every time the drive gradation increases by one, is increased one by one. | 08-22-2013 |
| 20130242188 | Method and Apparatus for Detection and Removal of Rain from Videos using Temporal and Spatiotemporal Properties - The invention relates to a new method and system for detection and removal of rain from video using temporal/spatiotemporal properties. Advantageously, the temporal/spatiotemporal properties are involved to separate the rain pixels from the non-rain pixels. It is thus possible by way of the present invention to involve less number of consecutive frames, reducing the buffer size and delay. It works only on the intensity plane which reduces the complexity and execution time significantly along with accurate rain detection. This new technique does not assume the shape, size and velocity of the raindrops which makes it robust to different rain conditions. This method reduces the buffer size which reduces the system cost, delay and power consumption while maintaining sufficient quality of rain detection. | 09-19-2013 |
| 20130321700 | Systems and Methods for Luma Sharpening - Systems, methods, and devices for sharpening image data are provided. One example of an image signal processing system includes a YCC processing pipeline that includes luma sharpening logic. The luma sharpening logic may sharpen the luma component while avoiding sharpening some noise. Specifically, a multi-scale unsharp mask filter may obtain unsharp signals by filtering an input luma component, and sharp component determination logic may determine sharp signals representing differences between the unsharp signals and the luma component. Sharp lookup tables may “core” the sharp signals, which may prevent some noise from being sharpened. Output logic may determine a sharpened output luma signal by combining the sharp signals with, for example, luma component or one of the unsharp signals. | 12-05-2013 |
| 20140002734 | LIQUID CRYSTAL DISPLAY APPARATUS AND LIQUID CRYSTAL TELEVISION | 01-02-2014 |
| 20140078393 | METHODS AND DEVICE FOR EFFICIENT RESAMPLING AND RESIZING OF DIGITAL IMAGES - Described are a system and method to determine the initial luma and chroma phase such that the resulting image after chroma upsampling and scaling has zero phase difference between the luma and chroma components. Particularly, the described method may include receiving a subsampled input image having luma and chroma values. The method may then perform a phase computation of the input image to determine scaling parameters such that phase differences between all color components of an output image are zero. The method may then include performing a combined upscaling and upsampling process on the input image using the scaling parameters to generate an upscaled image with no phase difference from the subsampled image. | 03-20-2014 |
| 20140078394 | SELECTIVE USE OF CHROMA INTERPOLATION FILTERS IN LUMA INTERPOLATION PROCESS - In one embodiment, a method determines one or more luma interpolation filters for interpolating sub-pel pixel values for a luma component. The one or more luma interpolation filters have a first number of coefficients. Then, the method determines one or more chroma interpolation filters for interpolating sub-pel pixel values for a chroma component. The one or more chroma interpolation filters have a second number of coefficients where the second number of coefficients is less than the first number of coefficients. When the one or more chroma interpolation filters should be used to interpolate a sub-pel pixel value for the luma component, the method uses a chroma interpolation filter to interpolate a sub-pixel value for the luma component by applying coefficients of the chroma interpolation filter to corresponding pixel values for the luma component. | 03-20-2014 |
| 20140085537 | DECODING DEVICE AND ENCODING DEVICE - According to an embodiment, a decoding device includes an acquiring unit configured to acquire first format information, encoded data, and first filter information, the first format information indicating a resolution of a color-difference component of the encoded data; a decoding unit configured to decode the encoded data to obtain a decoded image; and a converting unit configured to convert a color-difference format of the decoded image represented by a first color-difference format by using a filter identified by the filter information. | 03-27-2014 |
| 20140192261 | CHROMA FRAME CONVERSION FOR THE VIDEO CODEC - Converting a first format frame to one or more second format frames. In one embodiment, a method includes accessing a first format frame using n coefficients, where n is the total number of coefficients used for the Y, U and V planes of the first format frame. The method further includes mapping the coefficients of the first format frame to coefficients of one or more second format frames. The one or more second format frames have n coefficients across all of the second format frames matching the n coefficients of the first format frame. | 07-10-2014 |
| 20140198251 | SPLICE DISPLAY - A splice display includes at least two liquid crystal displays (LCDs) that are mutually spliced, and the LCDs form a spliced frame at a spliced position of the LCD. The splice display further includes an image splitter and at least one organic electroluminescenee display (OLED) panel. A frame of the OLED is transparent, and the OLED covers the spliced frame. The image splitter splits an image signal into a plurality of parts, and transmits the split image signal to the OLED and the LCDs for display. | 07-17-2014 |
| 20140218610 | DECODING DEVICE AND ENCODING DEVICE - According to an embodiment, a decoding device includes an acquiring unit configured to acquire first format information, encoded data, and first filter information, the first format information indicating a resolution of a color-difference component of the encoded data; a decoding unit configured to decode the encoded data to obtain a decoded image; and a converting unit configured to convert a color-difference format of the decoded image represented by a first color-difference format by using a filter identified by the filter information. | 08-07-2014 |
| 20140247391 | SIGNAL PROCESSING APPARATUS AND METHOD, AND PROGRAM - Signals are provided which allow colors in a wider color range than predetermined standards, which can be handled by apparatus according to such predetermined standards. A primary color converter converts first color signals having primary color points in a wider color range than the primary color points according to BT.709 into second color signals based on the primary colors according to BT.709. A photoelectric transducer converts the second color signals into third color signals according to photoelectric transducer characteristics defined in a numerical range wider than a range from 0 to 1.0 of color signals corresponding to a luminance signal and color difference signals according to BT.709. A color signal converter converts the third color signals into a luminance signal and color difference signals. A corrector incorporated in the color signal converter corrects the color difference signals into color difference signals. | 09-04-2014 |
| 20140327821 | Backwards-Compatible Delivery of Digital Cinema Content with Higher Dynamic Range and Related Preprocessing and Coding Methods - Methods and systems for image processing and delivery of higher dynamic range cinema content are disclosed. A digital cinema signal with a lower dynamic range is obtained from a digital cinema signal with a higher dynamic range, for example through mapping. The lower dynamic range digital cinema signal is encoded and decoded at the transmitting end. The decoded lower dynamic range digital cinema signal is normalized to produce a set of normalization parameters which enable the mapping process at the receiving end to produce a final image with higher dynamic range that is of a higher quality. Alternatively, the higher dynamic range digital cinema signal is also encoded and decoded at the transmitting end, to produce a set of normalization parameters which enable the mapping process at the receiving end to produce a final image with higher dynamic range that is of a higher quality. | 11-06-2014 |
| 20140327822 | Backwards-Compatible Delivery of Digital Cinema Content with Extended Dynamic Range - A digital cinema signal is encoded to produce a resulting coded digital cinema bitstream. Decoding the resulting coded digital cinema bitstream allows backwards-compatible delivery of digital cinema content. A digital image or video signal is preprocessed to produce two normalized digital image or video signals of differing quality levels and forward and inverse mapping parameters, which relate the normalized digital image or video signals. The preprocessing can be used prior to the encoding of a digital cinema signal to enable backwards-compatible delivery of digital cinema content. | 11-06-2014 |
| 20140368732 | Backwards-Compatible Delivery of Digital Cinema Content with Extended Dynamic Range - A digital cinema signal is encoded to produce a resulting coded digital cinema bitstream. Decoding the resulting coded digital cinema bitstream allows backwards-compatible delivery of digital cinema content. A digital image or video signal is preprocessed to produce two normalized digital image or video signals of differing quality levels and forward and inverse mapping parameters, which relate the normalized digital image or video signals. The preprocessing can be used prior to the encoding of a digital cinema signal to enable backwards-compatible delivery of digital cinema content. | 12-18-2014 |
| 20140375881 | Method of Converting a Video File to a Graphics Interchange Format Image Using Same Palette Table for Consecutive Frames - A method of converting a video file to a Graphics Interchange Format (GIF) image includes converting a plurality of frames of a video file into corresponding frames of a GIF image, creating a first palette table for defining colors in each frame of a first set of consecutive frames of the GIF image, and creating a second palette table for defining colors in each frame of a second set of consecutive frames of the GIF image, wherein the first palette table is not equal to the second palette table and each frame in the first set of consecutive frames is distinct from each frame in the second set of consecutive frames. | 12-25-2014 |
| 20140375882 | PROCESSING VIDEO STREAMS - A method of creating a video stream is provided. The method includes receiving into non-transitory memory first and second video streams. The first video stream is different from the second video stream. Each video stream includes a series of video images each having a plurality of pixels. Each pixel has a luminance component and two chrominance components. The method includes converting, using a computing processor, the luminance component of a first pixel in a first image of the first video stream into an opacity component. The method also includes combining, using the computing processor, the opacity component of the first pixel and color components of a second pixel into an output pixel. Finally, the method includes outputting an output video stream comprising the output pixel. | 12-25-2014 |
| 20150015783 | METHOD FOR SCALING CHANNEL OF AN IMAGE - The present invention relates to a method for scaling a first channel, wherein the method comprises computing a low resolution second channel based on a transformation of the second channel with a transformation function used to transform high resolution channel into a low resolution channel; computing a correlation function between the low resolution second channel and the first channel; determining a predicted second channel having the high resolution from the low resolution second channel according to a prediction method; computing an high-pass second channel based on the difference between the second channel and the predicted second channel and based on the correlation function; determining a predicted first channel having the high resolution from the first channel according to the prediction method. | 01-15-2015 |
| 20150124165 | PARALLEL PIPELINES FOR MULTIPLE-QUALITY LEVEL VIDEO PROCESSING - A device for multiple-quality level video processing includes a primary tap configured to receive prime-quality video content from a source and to provide the prime-quality video content to a primary path and to a secondary tap. The primary tap may be operable in a prime-quality mode. The secondary tap may be disposed after the primary tap and may be coupled to a number of secondary paths. One or more dithering modules may be disposed after the primary tap. The dithering module(s) may be configured to convert the prime-quality video content provided by the primary tap to lower-bit precision and/or lower pixel-rate video content for use in one or more of the secondary paths. | 05-07-2015 |
| 20150146098 | DISPLAY DEVICE - The objective of the present invention is to provide a display device which, when transforming three primary colors of input to four primary colors of output and displaying the same, is capable of performing accurate color reproduction using a simple method. A display device is provided with a color transformation portion ( | 05-28-2015 |
| 20160021326 | ULTRA HIGH DEFINITION DISPLAY DEVICE AND VIDEO SIGNAL CONVERTING METHOD - An ultra high definition display device and a video signal converting method are provided. The ultra high definition display device comprises a first input port configured to receive a first signal; a control module configured to generate a first enabling signal; a first receiver module configured to receive the first signal from the first input port according to the first enabling signal, and generate a second signal by a format conversion, both the first signal and the second signal being full high definition signals; a resolution transformation module configured to transform the second signal in resolution to generate a third signal, the third signal being an ultra high definition signal; and a transmission module configured to convert the third signal into an ultra high definition display signal and output the display signal. The device and method according to embodiments of the present invention may receive a full high definition signal, and achieve conversion from a full high definition signal to an ultra high definition signal display signal for output under the control of the control module. | 01-21-2016 |
| 20160044292 | VIDEO PROCESSING SYSTEM WITH LAYERED VIDEO CODING AND METHODS FOR USE THEREWITH - A video processing system includes a video encoder that encodes a video stream into an independent video layer stream and a first dependent video layer stream based on a motion vector data or grayscale and color data. | 02-11-2016 |
| 20160080714 | TRANSMITTING DEVICE, TRANSMITTING METHOD, RECEIVING DEVICE, AND RECEIVING METHOD - Display with an appropriate luminance dynamic range is realizable on a receiving side. A gamma curve is applied to input video data having a level range from 0% to 100%*N (N: a number larger than 1) to obtain transmission video data. This transmission video data is transmitted together with auxiliary information used for converting a high-luminance level on the receiving side. A high-level side level range of the transmission video data is converted on the receiving side such that a maximum level becomes a predetermined level based on the auxiliary information received together with the transmission video data. | 03-17-2016 |
| 20160094823 | YUV SIGNAL GENERATION FOR HIGH DYNAMIC RANGE VIDEO CONTENT - An encoder may include a luma transform, a transformer, and a chroma transform. The luma transform may determine a linear luminance value based upon a plurality of primary color values of a pixel. The transformer may generate a transformed luminance value based upon the linear luminance value and a plurality of transformed color values based upon corresponding more than one of the primary color values of the pixel. The chroma transform may determine a plurality of chroma values based upon corresponding plurality of transformed color values and the transformed luminance value of the pixel. | 03-31-2016 |
| 20160156873 | Television Systems Incorporating Separate A/V Processing Systems and Television Displays | 06-02-2016 |
| 20160165204 | METHOD FOR ENCODING AND METHOD FOR DECODING A COLOR TRANSFORM AND CORRESPONDING DEVICES - The present invention relates to a method for encoding a color transform. The method includes encoding first parameters representative of video signal characteristics of color output decoded pictures remapped by said at least one color transform; and encoding second parameters representative of said the at least on color transform. | 06-09-2016 |
| 20160205372 | COLOR GAMUT MAPPER FOR DYNAMIC RANGE CONVERSION AND METHODS FOR USE THEREWITH | 07-14-2016 |
| 20170237932 | DISPLAY SYSTEM, DISPLAY METHOD, AND DISPLAY APPARATUS | 08-17-2017 |
| 20170237933 | DISPLAY SYSTEM, DISPLAY METHOD, AND DISPLAY APPARATUS | 08-17-2017 |
| 20170237959 | CONVERSION METHOD AND CONVERSION APPARATUS | 08-17-2017 |
| 348454000 | PAL to NTSC or vice versa | 1 |
| 20100194978 | THREE-DIMENSIONAL Y/C SEPARATING CIRCUIT - To provide a three-dimensional Y/C separating circuit that has a high responsibility to a motion in a video signal and can reduce a memory capacity, a three-dimensional Y/C separating circuit has a 2-frame memory | 08-05-2010 |
| 348455000 | In which simultaneous signals are converted into sequential signals or vice versa | 5 |
| 20090141167 | VIDEO SIGNAL CONVERTER, VIDEO DISPLAY DEVICE, AND VIDEO SIGNAL CONVERTING METHOD - When each value of luminance signals of three primary colors in the primary video signal is less than the output lower limit value, in short, when the gradation level is negative, the negative gradation level of the present primary color is, in accordance with its magnitude, in other words, in accordance with the absolute value of the negative gradation level, replaced with positive gradation levels of other two primary colors. Therefore, in accordance with A VIDEO SIGNAL CONVERTER of this invention, even when the primary video signal includes a signal value having a negative gradation level, in short, even when one or more of each signal value of RGB is below the output lower limit value, a color according to the combination of those gradation levels (a combination of each level of primary colors (RGB)) can be reproduced (displayed) by a display means. | 06-04-2009 |
| 20100149416 | SIGNAL TRANSMITTING DEVICE, TRANSMITTER AND RECEIVER - A signal transmitting device includes a transmitter, a receiver, and four optical fibers. The transmitter includes a first electro-optical converter electro-optically converting original electrical red video signal into optical red video signal in original video signal, a second electro-optical converter electro-optically converting original electrical green video signal into optical green video signal a third electro-optical converter electro-optically converting original electrical blue video signal into optical blue video signal, a parallel/serial converter converting original electrical parallel signal having a lower transfer rate than a transfer rate of the original video signal into original electrical serial signal, and a fourth electro-optical converter electro-optically converting the original electrical serial signal transmitted from the parallel/serial converter into optical serial signal. The receiver includes a first optical-electro converter, a second optical-electro converter, a third optical-electro converter, a fourth optical-electro converter, a clock signal generator, and a serial/parallel converter. | 06-17-2010 |
| 20100265395 | Reduction of phosphor lag artifacts on display devices - Luminous elements of the three colours red, green and blue of video display devices have a different response time. Therefore, a coloured edge and trail appear at edges in direction of a moving object. In order to reduce the disturbing character of such coloured edges and trails, a horizontal spatial equalisation of the response time of luminous elements having a shorter response time by low-pass filtering a component signal of the video component signals for driving luminous elements having a shorter response time dependent on a horizontal speed of changes of the component signal is recommended to reduce phosphor lag artifacts on display devices. The arrangement for processing video component signals of different colour comprises a compensation unit which according to a preferred embodiment is realised by a FIR filter and a horizontal speed correction unit supplied with a horizontal and vertical motion estimation signal. | 10-21-2010 |
| 20110069228 | VIDEO SIGNAL GENERATION APPARATUS AND METHOD MINIMIZING CROSSTALK BETWEEN LUMINANCE SIGNAL AND COLOR DIFFERENCE SIGNAL - Provided is a video signal generation apparatus and method that may minimize crosstalk between a luminance signal and color difference signals. The video signal generation apparatus may generate the luminance signal using a nonlinear Y signal and then generate color difference signals using a nonlinear XYZ signal to maximize a de-correlation characteristic between the luminance signal and the color difference signals. | 03-24-2011 |
| 20110211116 | SIGNAL TRANSMITTING DEVICE AND SIGNAL TRANSMITTING METHOD - Disclosed herein is a signal transmitting device including a multiplexing section configured to generate a B/R ch by alternately multiplexing image signals read from B pixels and R pixels among image signals read and input in units of a predetermined number of samples in each of the first line and the second line from said image pickup element in an active region corresponding to a C ch in HD-SDI together with start code of one of SAV and EAV, and generate a G ch by multiplexing, in order, image signals read from G pixels in an active region corresponding to a Y ch in HD-SDI together with said start code; and an 8B/10B encoder configured to output serial digital data converted by 8B/10B-encoding the active regions on the B/R ch and the G ch having data structures corresponding to said HD-SDI and an auxiliary data region including SAV, EAV, LN, and CRCC. | 09-01-2011 |
