Abstract: A display system includes a conversion apparatus converting video luminance including a luminance value in a first luminance range and a display apparatus connected thereto and displaying the video. The conversion apparatus includes a first acquisition unit, a first luminance converter, a second luminance converter, a quantization converter, and an output unit outputting a third luminance signal to the display apparatus.

Abstract: There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.

Abstract: A multi-layer display system for displaying 3D images with reduced saccadic breakup includes a plurality of display screens arranged in a substantially parallel and overlapping manner, and a processing system. The processing system is configured to minimize or prevent saccadic breakup of displayed images by detecting head and/or eye movement of a viewer, and accordingly controlling color saturation of display fields when movement of head and/or eye is detected.

Abstract: Blind legacy video artifact reduction reduces ghost artifacts and Y/C artifacts. Ghost artifacts are reduced using edge correlation and an IIR filter. Y/C artifacts are reduced using frequency domain filtering. The result is much cleaner video content.

Abstract: There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.

Abstract: A linear interpolation filter used for intra-prediction is applied to not only a luminance signal, but also a chrominance signal. A noise like contouring, which may occur in the chrominance signal, is reduced by performing control independently on the chrominance signal. Also, only a square block has been supported in related art. However, a rectangular block is also supported. Accordingly, 4:2:2 can be applied.

Abstract: There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.

Abstract: A method of determining luma values from 4:4:4 RGB video data for encoding chroma downsampled 4:2:0 YCbCr video data into a bitstream. Initial coefficents are determined for a region of a colour space the region being one of a plurality of regions located in the colour space and each region having a plurality of associated coefficients. The determined initial coefficients are applied to an initial image to produce a test image, the test image being a chroma downsampled 4:2:0 YCbCr version of the initial image. A measure of quality is determined by comparing the initial image and the test image. The determined initial coefficients are modified to increase the determined measure of quality. Luma values are determined from 4:4:4 RGB video data for encoding chroma downsampled 4:2:0 YCbCr video data into a bitstream using the modified coefficients.

Abstract: 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.

Abstract: There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.

Abstract: There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.

Abstract: A video and/or audio decoder provided with a first terminal for supplying an analog audio and/or video signal, including: a first circuit capable of supplying a digital signal which is an image of said analog signal; a digital-to-analog converter capable of receiving as an input said digital signal; an amplifier coupling a second output terminal of the digital-to-analog converter to the first terminal; and a second circuit capable of comparing a signal representative of the voltage or current level on the first terminal with a reference signal, and of deducing therefrom whether the first terminal is connected or not to an analog input terminal of a video signal display and/or audio signal playing device.

Abstract: There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.

Abstract: There is provided a method of controlling a display device in which a write operation for changing a display state of one pixel is performed by performing a plurality of operations of applying a driving voltage. The method includes determining whether a previous write operation is currently performed for the one pixel in a case where a new write operation is determined to be required and starting the new write operation for the one pixel in a case where the write operation for the one pixel is determined not to be currently performed in the determining of whether a previous write operation is currently performed, and continuing the write operation that is currently performed and starting the new write operation for the one pixel after completion of the previous write operation in a case where the write operation is determined to be currently performed for the one pixel.

Abstract: There is provided a picture coding device that performs intra prediction coding of a picture signal including a luma signal and a chroma signal in units of blocks and codes information relating to an intra prediction mode. When the intra prediction of a picture signal is made in units of coding blocks, in a case where a chroma format is 4:2:2, in a mode for setting a chroma intra prediction mode in accordance with the luma intra prediction mode, an intra prediction unit sets the chroma intra prediction mode based on the luma intra prediction mode and the chroma format and makes an intra prediction of the chroma signal.

Abstract: A false color reduction system and method for color interpolation is disclosed in the present invention. The false color reduction system includes a red/blue color interpolation signal reference level estimator, a red/blue color interpolation signal noise analyzer and a red/blue color interpolation signal noise regulator. The red/blue color interpolation signal reference level estimator receives a RGB image array and a red/blue color interpolation signal of the RGB image array, and calculates a difference value between a green target pixel or a green interpolation pixel corresponding to a red/blue target pixel of the RGB image array and an average value of a plurality of green pixels nearby the green target pixel or the green interpolation pixel to generate a green difference signal.

Abstract: A system for controlling ambient light effects comprises a receiving device including at least one processor programmed to parse incoming video content to detect at least one portion of the incoming video content and determine at least one ambient light effect to be associated with the portion of the video content. The system further comprises a home automation controller in communication with the processor and at least one lighting device in communication with the receiving device and the home automation controller. The processor of the receiving device is programmed to send a command to the home automation controller specifying the ambient light effect determined by the processor to be associated with the portion of the video content. The lighting device generates the ambient light effect specified in the command when the portion of the video content is displayed to a user.

Abstract: A system for controlling ambient light effects comprises a receiving device including at least one processor programmed to parse incoming video content to detect at least one portion of the incoming video content and determine at least one ambient light effect to be associated with the portion of the video content. The system further comprises a home automation controller in communication with the processor and at least one lighting device in communication with the receiving device and the home automation controller. The processor of the receiving device is programmed to send a command to the home automation controller specifying the ambient light effect determined by the processor to be associated with the portion of the video content. The lighting device generates the ambient light effect specified in the command when the portion of the video content is displayed to a user.

Abstract: Described are devices and methods for reducing the need for storage on a display panel, for reducing the required bandwidth to a display panel, for increasing the light-on time for a display panel.

Abstract: It is determined whether or not an input image is an image converted from an image with a relatively low resolution based on one frame of an image. A resolution determination device includes: an edge strength calculator configured to obtain an edge strength of a pixel included in an input image based on luminance of the pixel and luminance of a pixel adjacent to the pixel, for each of a plurality of pixels included in the input image; and a resolution determiner configured to determine whether or not the input image is an image upconverted from an image with a predetermined resolution or less, based on distribution of the edge strengths.

Abstract: An image processing apparatus which performs recovery processing of correcting a degradation in image due to an aberration in an optical imaging system, with respect to image data of a plurality of colors, comprising: a separation unit configured to separate image data into image data of the respective colors, and further separate image data of a color whose spatial frequency characteristic is higher than that of another color due to an arrangement of color filters of the plurality of colors into a plurality of image data of same color so as to have the same spatial frequency characteristic as that of the other color; a plurality of image processing units configured to perform recovery processing by filter processing for each of the separated image data; and an interpolation processing unit configured to perform color interpolation processing of each pixel for the image data having undergone the recovery processing.

Abstract: 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.

Abstract: A method for increasing the resolution of a frame of a video includes receiving at least three frames of the video and compensating for the motion of a portion of at least two of the frames with respect to another one of the frames. After the motion compensation, spatially processing each of the frames of the video to increase the resolution of each of the at least three frames of the video. After the spatial processing, temporally processing at least three frames to determine the increased resolution of the frame of the video, wherein the frame is one of the at least three frames of the video.

Abstract: A video processing apparatus determines whether a video signal of a predetermined resolution is a pseudo-resolution video signal generated from a video signal of resolution lower than the predetermined resolution. The video processing apparatus generates a first frequency histogram relating to a video signal of a first resolution among a plurality of video signals which are identical in contents and different from one another in resolution and a second frequency histogram relating to a video signal of a second resolution which is lower than the first resolution, compares the first frequency histogram with the second frequency histogram, compares a similarity between the first frequency histogram and the second frequency histogram with a predetermined threshold value, and determines, if the similarity is equal to or less than the predetermined threshold value, that the video signal of the first resolution is a pseudo-resolution video signal.

Abstract: Film mode detection with bad edit detection used in de-interlacing video includes use of combing artifact detection in both 3-2 pull down detection and 2-2 pull down detection. Further, combing artifact detection uses only two field memories by accumulation of partial field statistics for comparisons.

Abstract: An image de-interlacing method comprises: (a) defining a first threshold value and a second threshold value, wherein the second threshold value is larger than the first threshold value; (b) generating a parameter according to motion level of a interlaced image; and (c) utilizing a first interpolation method and a second interpolation method to jointly process the interlaced image if the parameter is in a range between the first threshold value and the second threshold value.

Abstract: One or more processors and/or circuits receive a composite video signal and determine a current pixel and a plurality of reference pixels. A plurality of weighting factors corresponding to the reference pixels are determined utilizing non-local means. Chroma components and/or luma components for the current pixel are determined based on weighted least squares utilizing the reference pixels, the weighting factors and information known about the composite signal, for example, sub carrier information. The composite video signal may comprise baseband Y and modulated Cb and/or Cr components. Weighting factors are determined by comparing a block of pixels about the current pixel with a block of pixels about the corresponding reference pixels in a current, previous or future frame. A set of equations comprising reference pixel data, a set of weighting factors and/or the known information may be solved to the determine signal components.

Abstract: A video conversion apparatus includes: a video format conversion unit configured to interpolate, in the case that video signals, which are made up of a luminance component and color difference components and of which the video format is the interlace format, have been supplied, the luminance component and color difference components of the video signals, thereby converting the video format of the video signals into the progressive format; and a color difference format conversion unit configured to interpolate the color difference components of the video signals obtained with the conversion by the video format conversion unit, thereby converting the color difference format of the video signals from a first color difference format to a second color difference format that includes more color difference components than the first color difference format.

Abstract: A video signal processing apparatus may include a frame memory and a separator and deinterlacer circuit. The frame memory may store an interlaced video signal. The separator and deinterlacer circuit may execute operations of separating and deinterlacing the interlaced video signal stored in the frame memory. The apparatus may output a sequential video signal. A data processing system may include the video signal processing apparatus. A method for processing video signals may include storing an interlaced video signal in a frame memory and executing operations of separating and deinterlacing the interlaced video signal stored in the frame memory. The method may also include outputting a sequential video signal.

Abstract: An image-signal processing unit comprising a first and second luminance calculation block, a correction-value calculation block, and a subtraction block, is provided. The first luminance calculation block calculates a first luminance corresponding to the sum of a plurality of primary color light components. Each of them is multiplied by a coefficient from a first coefficient combination. The second luminance calculation block calculates a second luminance corresponding to the sum of a plurality of the primary color light components. Each of them is multiplied by a coefficient from a second coefficient combination. The correction-value calculation block calculates a luminance correction value according to the second luminance if the first luminance is greater than a threshold value. The subtraction block calculates a corrected luminance by subtracting the luminance correction value from the first luminance.

Abstract: An interface is realized that can prevent video signals from being copied easily and which uses a luminance/color difference signal transmission scheme with an excellent harmony with a television circuit. In a video transmission using a digital interface, colorimetry information for defining the conversion from the luminance/color difference signal into a primary color signal and video aspect ratio information are transmitted along with the luminance/color difference type video signal. This allows reproduction of video with high quality and high resolution and also realizes a copyright protection which allows only the users authorized by key information to use the content of the video. With this transmission scheme, it is possible to provide a transmitting apparatus, a receiving apparatus and an interface which highly harmonize with a rationalized television-based circuit.

Abstract: An apparatus includes a memory which successively stores frame data of video data, an interpolating unit which generates interpolation frame data which is inserted between the frame data and stores the interpolation frame data in the memory, and a readout unit which successively reads out the frame data and the interpolation frame data from the memory at a frame rate higher than a frame rate of the video data. The apparatus further includes a generating unit which generates image data which is composited with the frame data and stores the image data in the memory, and a control unit which, based on display-related characteristics of the image data, controls the interpolating unit to halt the generation of the interpolation frame data, and also controls the readout unit to read out the frame data in duplicate instead of the interpolation frame data.

Abstract: A system for integrating de-interlace and overdrive operations includes a de-interlace device, a first frame scaling controller, a second frame scaling controller and an overdrive device. The de-interlace device performs a de-interlace operation on plural fields to thereby obtain plural frames. The first frame scaling controller receives a first frame among the plural frames and performs a vertical and horizontal scaling operation on the first frame to thereby produce a first display frame. The second frame scaling controller receives a second frame among the plural frames and performs a vertical and horizontal scaling operation on the second frame to thereby produce a second display frame. The overdrive device produces a driving voltage based on a difference between a pixel of the second display frame and a pixel of the first display frame corresponding to the pixel of the second display frame.

Abstract: An apparatus of low angle interpolation is disclosed, which includes a low angle calculation circuit, a direction decision circuit, a post-processing circuit, an interpolator and a line buffer. According to a counterclockwise operating matrix and a clockwise operating matrix whose shapes look like triangles, the invention calculates sum of absolute differences (SAD) for each specified angle to correctly detect edges, thereby minimizing jaggies and frequency alias.

Abstract: Rules for the signaling and interpretation of chroma position are described. One rule, called the short rule, defines fifteen discrete chroma centering positions and corresponding four-bit syntax element. Another rule, called the extended rule, defines 81 discrete chroma centering positions and corresponding seven-bit syntax elements. A described method includes receiving digital media data at a digital media encoder, determining chroma position information for the received digital media data, and representing the chroma position information with one or more syntax elements in an encoded bitstream. The one or more syntax elements are operable to communicate the chroma position information to a digital media decoder. The chroma position information facilitates an image rotation or flip.

Abstract: A video image deinterlacing apparatus includes intrafield and interfield processors therein. The intrafield processor is responsive to field data (e.g., sequence of video image fields) depicting a time-varying video image. The intrafield processor is configured to determine edge and edge steepness characteristics for a plurality of omitted pixels within fields of the time-varying video image. The interfield processor, which is also responsive to the field data, is configured to identify pixels possessing time-invariant properties.

Abstract: Upsampling for video signals is described. In particular chroma pixels may be upsampled in a luminance, chrominance signal using motion adaptive approaches. In one example, the operations include selecting an absent chroma pixel of the current frame, developing a spatial candidate value for the absent chroma pixel using pixel values for nearby pixels in the current frame, developing a temporal candidate value for the absent chroma pixel using pixel values for nearby pixels in the previous and subsequent frames, computing a value for the absent chroma pixel by combining the spatial candidate value and the temporal candidate value, and producing an output video frame including the computed absent chroma pixel values.

Abstract: This disclosure describes adaptive filtering techniques to improve the quality of captured imagery, such as video or still images. In particular, this disclosure describes adaptive filtering techniques that filter each pixel as a function of a set of surrounding pixels. An adaptive image filter may compare image information associated with a pixel of interest to image information associated with a set of surrounding pixels by, for example, computing differences between the image formation associated with the pixel of interest and each of the surrounding pixels of the set. The computed differences can be used in a variety of ways to filter image information of the pixel of interest. In some embodiments, for example, the adaptive image filter may include both a low pass component and high pass component that adjust as a function of the computed differences.

Abstract: Pipelining techniques to deinterlace video information are described. An apparatus may comprise deinterlacing logic to convert interlaced video data into deinterlaced video data using multiple processing pipelines. Each pipeline may process the interlaced video data in macroblocks. Each macroblock may comprise a set of working pixels from a current macroblock and supplemental pixels from a previous macroblock. Other embodiments are described and claimed.

Abstract: Pipelining techniques to deinterlace video information are described. An apparatus may comprise deinterlacing logic to convert interlaced video data into deinterlaced video data using multiple processing pipelines. Each pipeline may process the interlaced video data in macroblocks. Each macroblock may comprise a set of working pixels from a current macroblock and supplemental pixels from a previous macroblock. Other embodiments are described and claimed.

Abstract: According to one embodiment, an image processing apparatus includes a resolution increasing module and a moving-image improving module. The resolution increasing module performs, on receipt of a first video signal with first resolution, super resolution conversion on the first video signal to obtain a second video signal with second resolution that is higher than the first resolution by estimating an original pixel value from the first video signal and increasing pixels. The resolution increasing module also performs first correction on the second video signal obtained by the super resolution conversion. The moving-image improving module configured to perform, on the second video signal subjected to the first correction, second correction except for a correction process included in the first correction.

Abstract: Herein described is a system and method for improving the appearance of video by generating an improved 4:2:2 chroma. The system comprises a 4:2:2 to 4:2:0 chroma regenerator that regenerates 4:2:0 chroma given a received 4:2:2 chroma, and a 4:2:0 to 4:2:2 chroma generator that weaves and interpolates the regenerated 4:2:0 chroma to yield an adjusted 4:2:2 chroma. The system further comprises a blending system used for blending the adjusted 4:2:2 chroma with the received 4:2:2 chroma based on a control input provided by a motion indication signal. The method comprises regenerating a 4:2:0 chroma from a received 4:2:2 chroma using an algorithm. The method further comprises generating an adjusted 4:2:2 chroma using the regenerated 4:2:0 chroma using another algorithm. The method further comprises blending the adjusted 4:2:2 chroma with the received 4:2:2 chroma to generate an improved 4:2:2 chroma.

Abstract: Presented herein are a system and method for sharpening edges in a region. In one embodiment, there is presented a method for sharpening edges. The method comprises measuring differences between at least a value associated with a first pixel and a value associated with a second pixel of a plurality of pixels, and applying a sharpening mask to the plurality of pixels. The sharpening mask is a function of at least one of the measured differences, a first value associated with any one of the plurality of pixels, and a second value associated with any other of the pixels, thereby resulting in sharpened pixels.

Abstract: A method (300) of converting interlaced Moving Picture Experts Group (MPEG) video signals to progressive video signals can include receiving an interlaced video signal representing a luma component specifying luma lines and a chroma component specifying chroma lines (310) wherein the chroma component can specify approximately one-half the number of lines of the luma component. The interlaced video signal can be decoded and the number of the chroma lines can be increased to approximately the same as the number of the luma lines (320). The number of chroma lines of the interlaced video signal then can be decreased (340), to substantially reverse the previous increase. The interlaced video signal then can be deinterlaced to produce a progressive video signal (350), which can be processed further (360) as needed.

Abstract: Methods for video data conversion, performed by a converter, are provided. An embodiment of the video data conversion method comprises the following steps. Chroma data of a target line is acquired from a first portion of a video stream in a transmission format. Chroma data of a certain number of neighboring lines near the target line is acquired from a second portion of the video stream. New chroma data is calculated from the acquired chroma data of the target line and the neighboring lines. The acquired chroma data of the target line is replaced with the new chroma data of the target line encapsulated into the first portion of the video stream. The modified video stream is transmitted to multiple receiving devices thereby the multiple receiving devices may obtain the video stream in a format used for subsequent process without additional computation.

Abstract: A picture processing apparatus for processing picture signals of different formats. A memory stores input picture signals. A read-out section reads the picture signals stored in the memory in terms of a preset number of the picture signals as a unit. An interpolation section interpolates picture signals for a preset position by executing preset calculations on the plural picture signals read out. For picture signals of an HD format, the picture signals are simultaneously read out in terms of the four pixels as a unit to execute four-point interpolation processing. Whilst for picture signals of an SD format, after a conversion to a 960.times.720 frame picture by applying field/frame conversion and doubling the number of the pixels in the vertical direction, the picture signals are stored in the memory. The operating frequency and the number of times of operations of the read-out section and the interpolation section are changed to values as large as four times those.

Abstract: Systems and methods for effectively enhancing television pictures by correcting line separation effect due to errors in interlace to progressive conversion of a program signal.

Abstract: 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.

Abstract: An image processing system includes a frequency decomposition unit adapted to decompose an image signal into a high frequency component and a low frequency component, a high frequency separation unit adapted to separate the high frequency component into an invalid component caused by noise and other valid component, a conversion characteristic calculation unit adapted to calculate a conversion characteristic on the basis of the low frequency component, a gradation processing unit adapted to perform a gradation processing on the low frequency component and the valid component on the basis of the calculated conversion characteristic, and a frequency synthesis unit adapted to generate an image signal on which a gradation conversion has been performed by synthesizing the low frequency component on which the gradation conversion has been performed, the valid component on which a gradation conversion has been performed and the invalid component.

Abstract: An image enhancement unit and method for enhancing the image quality of a video stream is presented. The image enhancement unit combines a contour enhancement unit, a luminance contrast stretching unit, a color transient improvement unit, and a color saturation control unit to enhance both the luminance and chrominance values in the video stream. Specifically, the contour enhancement unit processes the luminance values to improve the contours of the images in the video steam. The luminance contrast stretching unit further improves the luminance by enhancing the contrast in the images. The color transient improvement unit processes the chrominance values to remove blurring around along the edges of color transitions and the color saturation control unit increases the color saturation to improve the appearance of the images.