Abstract: A first RGB converter is configured to convert a luminance signal and a color difference signal of a first frame signal to a first RGB signal. The first frame signal is a current frame having a first number of bits. A second RGB converter is configured to place at least one lower bit of the first frame signal on the least significant bit side of a second frame signal to form composite data having the first number of bits and to convert the composite data to a second RGB signal. The second frame signal is a previous frame having a second number of bits composed of upper bits of the first number of bits other than at least one lower bit. An overdrive processing unit is configured to correct an amplitude of the first RGB signal corresponding to the difference between the first and second RGB signals.

Abstract: 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.

Abstract: A method for scaling a first channel of an image. The method comprises computing a low resolution second channel of the image based on a transformation of the second channel with a transformation function used to transform a 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 a high-pass second channel based on the difference between the second channel and the predicted second channel and based on the correlation function; and determining a predicted first channel having the high resolution from the first channel according to the prediction method.

Abstract: Video conversion technology, in which a first stream of video content is accessed and multiple, different layers are extracted from the first stream of the video content. Each of the multiple, different layers are separately processed to convert the multiple, different layers into modified layers that each have a higher resolution. The modified layers are reassembled into a second stream of the video content that has a higher resolution than the first stream of the video content.

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: 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.

Abstract: 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.

Abstract: A first video signal is accessed, and represented in a first color space with a first color gamut, related to a first dynamic range. A second video signal is accessed, and represented in a second color space of a second color gamut, related to a second dynamic range. The first accessed video signal is converted to a video signal represented in the second color space. At least two color-related components of the converted video signal are mapped over the second dynamic range. The mapped video signal and the second accessed video signal are processed. Based on the processing, a difference is measured between the processed first and second video signals. A visual quality characteristic relates to a magnitude of the measured difference between the processed first and second video signals. The visual quality characteristic is assessed based, at least in part, on the measurement of the difference.

Abstract: The present invention enables an image signal processing that can improve color representation of an image signal converted from YCrCb 4:2:2 format to YCrCb 4:2:0 format.

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: 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.

Abstract: 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.

Abstract: An image display apparatus adapted to display an image based on an image signal input includes: a color adjustment circuit adapted to perform one of a modification process and a correction process individually on a hue signal, a lightness signal, and a saturation signal included in first HLS signals as an image signal, and output the processed signals as second HLS signals.

Abstract: An image forming apparatus includes an image interpolation unit to compute a correct pixel value of a target pixel subject to interpolation of a halftone image. The image interpolation unit includes a base pattern setting unit to set a base pattern including the target pixel, a reference pattern setting unit to set reference pattern in a region peripheral to the target pixel, an analogous pattern acquisition unit to acquire at least one analogous pattern analogous to the base pattern from the reference pattern, a high-resolution pattern creating unit to create a high-resolution pattern having a predetermined resolution or higher by synthesizing the acquired analogous pattern, a pixel value estimating unit to compute an estimated pixel value of the target pixel based on the created high-resolution pattern, and a pixel value determination unit to determine the correct pixel value of the target pixel based on the computed estimated pixel value.

Abstract: A system for communicating video, the video including 4:4:4 color space frames, includes a 4:2:0 video encoder having a 4:4:4 to 4:2:0 color space frame converter and a 4:2:0 video decoder having a 4:2:0 to 4:4:4 color space frame converter, communicatively connected to the 4:2:0 video encoder. The 4:2:0 video encoder, without conversion by the 4:4:4 to 4:2:0 color space converter, communicates the video as a plurality of encoded 4:2:0 color space frames to the decoder. The 4:2:0 video decoder, without conversion by the 4:2:0 to 4:4:4 color space frame converter, saves the video as a plurality of 4:4:4 color space frames in memory. Each of the 4:4:4 color space frames in memory of the decoder device is identical to its corresponding 4:4:4 color space frame of the video at the encoder device.

Abstract: There is provided with a color mixing section for mixing yellow to red or green, when red or green is displayed by a liquid crystal television including a liquid crystal panel that has a color filter for four primary colors for red, green, blue and yellow, a backlight that emits light to the liquid crystal panel, and a television signal processing section that converts an inputted color video image signal into signals representing red, green, blue and yellow regarding a color video image.

Abstract: 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.

Abstract: An image processing apparatus for processing pixels is disclosed. The image processing apparatus comprises one or more functional blocks adapted to perform a corresponding functional task on the pixels. Further, the image processing apparatus includes one or more line-delay elements for delaying a horizontal scan line of the pixels. A desired processing task, which includes at least one functional task, is performed by configuring each functional block based on an actual number of the line-delay elements used for performing the desired processing task. Each functional block used for performing the desired processing task receives a group of pixels for processing from one or more horizontal scan lines such that the group overlaps another group of pixels for processing from one or more horizontal scan lines by another functional block.

Abstract: An apparatus for color interpolation using an adjustable threshold is disclosed. The color interpolation apparatus calculates the difference between the maximum value and the minimum value of the elements of the image data and determines the color interpolation method of the image data depending on the difference to perform the corresponding color interpolation. With the present invention, the improved image quality can be provided because the color interpolation can be performed as a user desires.

Abstract: An image processing device including: a color space selection unit that selects a color space based on designated color information; and a region specifying unit that specifies a region that includes a color that matches the color that is shown by the color information designated in the color space from a color region specified image that is provided for color region specification.

Abstract: One or more techniques and/or systems are disclosed for converting an unsupported continuous tone image file with an opacity layer to an application supported image. An opacity mask is created from an extracted alpha channel portion of the unsupported image file, where the alpha channel comprises transparency (opacity) information for the image. The unsupported image file can comprise an eight-bit alpha channel that indicates transparency for one or more portions of the image. The remaining channels of the unsupported image, after the alpha channel is extracted, can be used to create an image, which is combined with the opacity mask, to generate a supported image with a transparency layer.

Abstract: 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.

Abstract: 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.

Abstract: 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.

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 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.

Abstract: 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.

Abstract: Provided are a computer program product, system, and method for processing a source video stream of frames of images providing a first type of output format to generate a supplemental video stream, wherein the source video stream and the supplemental video stream are processed by a video processor to produce an output video stream having a second type of output format. The source video stream has a plurality of frames of digital images comprising an array of pixels in the first type of output format. The frames of the source video stream are processed by transforming color values for the pixels in the images in the frames to different color values to produce a modified video stream whose frames are merged with the corresponding frames in the source video stream to produce the supplemental video stream.

Abstract: Systems (100) and methods (600) for reducing the total number of bits required to be transferred over a communications link for an image (400) captured by a camera (102). The methods involve receiving, from the camera, original color values for pixels of the image. A first pixel is selected by an encoder (130). Thereafter, the encoder determines whether the first pixel exists outside a region of interest (402) within the image. If the first pixel exists outside the region of interest within the image, then arithmetic operations are performed by the encoder using the original color value for the first pixel. The arithmetic operations are performed to generate a First Modified Color Value (FMCV). Subsequently, image data is compressed using at least the FMCV. Notably, the color represented by FMCV is different than a color represented by the original color value for the first pixel.

Abstract: 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.

Abstract: A handheld communication device is used to capture video streams and generate a multiplexed video stream. The handheld communication device has at least two cameras facing in two opposite directions. The handheld communication device receives a first video stream and a second video stream simultaneously from the two cameras. The handheld communication device detects a speech activity of a person captured in the video streams. The speech activity may be detected from direction of sound or lip movement of the person. Based on the detection, the handheld communication device automatically switches between the first video stream and the second video stream to generate a multiplexed video stream. The multiplexed video stream interleaves segments of the first video stream and segments of the second video stream. Other embodiments are also described and claimed.

Abstract: 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.

Abstract: An apparatus has at least one port to receive a data stream of image and on screen display data, an image processor to process the image data separate from the on screen display data and produced processed image data, and a display port to combine the on screen display data and the processed image data and transmit the combined data to a display. A method of processing on screen display data with an image post processor includes receiving a data stream from a video processor at a post processing device having at least one port, the data stream having both image data and on screen display data, separating the on screen display data from the image data, storing the image data and the on screen display data in separate areas of a memory, performing image processing on the image data with the post processor to produce processed image data, and transmitting the processed image data and the on screen display data through a display port.

Abstract: A computer implemented method for fusing images taken by a plurality of cameras is disclosed, comprising the steps of: receiving a plurality of images of the same scene taken by the plurality of cameras; generating Laplacian pyramid images for each source image of the plurality of images; applying contrast normalization to the Laplacian pyramids images; performing pixel-level fusion on the Laplacian pyramid images based on a local salience measure that reduces aliasing artifacts to produce one salience-selected Laplacian pyramid image for each pyramid level; and combining the salience-selected Laplacian pyramid images into a fused image. Applying contrast normalization further comprises, for each Laplacian image at a given level: obtaining an energy image from the Laplacian image; determining a gain factor that is based on at least the energy image and a target contrast; and multiplying the Laplacian image by a gain factor to produce a normalized Laplacian image.

Abstract: Image data may be color graded, distributed and viewed on target displays. Mappings that preserve mid-range points and mid-range contrast may be applied to view the image data for color grading and to prepare the image data for display on a target display. The image data may be expanded to exploit the dynamic range of the target display without affecting mid-tone values.

Abstract: In an image processing apparatus that processes image data in units of blocks, each block having a predetermined number of pixels, a number of pixels in the block whose pixel values are different is calculated. A predetermined pattern for the block is specified in accordance with the calculated number of pixels whose pixel values are different and the locations of the different pixels, and the image data is compressed by outputting the specified pattern and the pixel values of only the number of pixels whose pixel values are different. It is then determined whether the image data is composed of a single color based on the output pattern and the pixel values.

Abstract: Embodiments of the invention are generally directed to conversion and processing of deep color video in a single clock domain. An embodiment of a method includes receiving one or more video data streams, the one or more video data streams including a first video data stream, the first video data stream being clocked at a frequency of a link clock signal. The method further includes converting the first video data stream into a converted video data stream having a modified data format, wherein the modified data format includes transfer of a single pixel of data in one cycle of the link clock signal and the insertion of null data to fill empty cycles of the converted video data stream, and generation of a valid data signal to distinguish between valid video data and the null data in the converted video data stream.

Abstract: 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.

Abstract: 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 10 includes: a liquid crystal panel 11 including a pair of substrates 11a and 11b with a liquid crystal layer 11c between, of which optical characteristics vary by application of an electric field; and a backlight unit 12 that emits light toward the liquid crystal panel 11. The backlight unit 12 includes a light guide member 26 having an end opposed to light sources 24 or 31. Light from the light sources 24 or 31 is guided toward the liquid crystal panel 11 through the light guide member 26. The liquid crystal panel 11 includes a CF substrate 11a including a color filter 19 constituted by a plurality of color sections R, G, B, and Y exhibiting the respective colors of blue, green, red, or yellow.

Abstract: An image generation method, image generation device, and image synthesis device include generating at least two images at different exposure times. Intensities of pixels in the images at different exposure times are respectively obtained. Reliabilities of the pixels in the images at different exposure times are respectively obtained. The intensities of the corresponding pixels in the images at different exposure times are respectively multiplied by the corresponding reliabilities, and then the products are summed, so as to obtain intensities of pixels in a synthesized image and thus generate the synthesized image. By using the technical schemes of the present disclosure, an image with abundant details can be generated in real time.

Abstract: The intelligent saturation controller calculates the exact maximum saturation any valid YCbCr pixel can undergo before it becomes invalid in ROB space. The controller models the saturation operation in RGB color space and calculates the maximum saturation level at which the RGB values falls outside the valid range. The saturation operation is performed independently for every pixel of the incoming video frame and ensures that each output pixel is a valid. The controller finds the maximum saturation for each input pixel and checks whether it is less than the input saturation factor. If so, then this calculated maximum saturation value is applied. If not, the input saturation factor is applied. Accordingly, the output RGB pixels are valid and no clamping is necessary if no other video processing is done in YCbCr space. Increasing the saturation of the video signal results in a more vivid and more colorful picture.

Abstract: A system and method for video frame interpolation are disclosed. In one embodiment, the method comprises receiving first motion estimation data representing estimated motion of blocks between a first frame and a second frame, receiving second motion estimation data representing estimated motion of blocks between the second frame and a third frame, determining whether an area in an interpolated frame between the first and second frame is an occlusion area based at least in part on the first and second motion estimation data, and estimating characteristics of pixels of the area based in part on the determination.

Abstract: An decomposition filter includes a top-field low-frequency decomposition filter and a bottom-field low-frequency decomposition filter whose coefficient is obtained by vertically inverting the coefficient of the top-field low-frequency decomposition filter. It also includes a top-field high-frequency decomposition filter and a bottom-field high-frequency decomposition filter whose coefficient is obtained by vertically inverting the coefficient of the top-field high-frequency decomposition filter. The above-described filters are switched and used according to which an input signal is for, a top-field or a bottom-field.

Abstract: 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.

Abstract: An error reduction apparatus includes a combing absence detector to detect absence of combing from a luminance signal, a combing presence detector to detect presence of combing from a color-difference signal, a vertical low-pass filter to receive the color-difference signal, and a selector to select one of the color-difference signal and a color-difference signal to which the vertical low-pass filter is applied based on detection results of the combing absence detector and the combing presence detector, and if combing is absent in the luminance signal and combing is present in the color-difference signal, the error reduction apparatus applies the vertical low-pass filter to the color-difference signal and outputs the signal.

Abstract: A method for improving image quality in an image processing device comprises receiving an image signal comprising a plurality of field signals corresponding to a plurality of fields, each field signal comprising a plurality of pixel signals corresponding to a plurality of pixels, and each pixel signal comprising an original chrominance value and a compensating chrominance value; replacing the compensating chrominance value of a pixel signal in every field signal by the original chrominance value of another pixel signal of a same position in another field signal, and generating a primary compensating result corresponding to every pixel signal; calculating a primary weighted sum of a pixel signal corresponding to every pixel and a primary compensating result corresponding to the pixel signal according to a degree of variation corresponding to every pixel of every field; and outputting the primary weighted sum corresponding to every pixel, to output primary compensating field signals.

Abstract: An apparatus including a first circuit and a second circuit. The first circuit may be configured to generate a first control signal, a second control signal and a third control signal in response to a first interlaced video signal. The second circuit may be configured to generate a second interlaced video signal in response to the first interlaced video signal, the first control signal, the second control signal and the third control signal. The second circuit may be further configured to vertically scale the first interlaced video signal in an extended vertical domain.

Abstract: 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.

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: A system (100) useful in compositing images (100) comprises a pre-visualization application (102) for producing an initial graphics output (104). A visual effects (VFX) compositor (106) receives the initial graphics output (104), input data (108), and a captured image (110). The VFX compositor and produces a composite image (112) based on the initial graphics output (104), the input data (108) and the captured image (110).