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7583318 |
Apparatus and method for controlling hue and luminance in image display device
An apparatus for converting input image signals into image signals that can be displayed in an image display device. The image display device includes a color space converter converting color...
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7554603 |
Video-signal-processing device and video-signal-transfer method
A video-signal-processing device configured to externally transmit at least one brightness signal and at least one color-difference signal is provided. A single frame of the color-difference signal...
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7483082 |
Method and system for automatic color hue and color saturation adjustment of a pixel from a video source
A method for automatically adjusting chrominance data of an input pixel from a color video signal includes receiving and temporarily storing the chrominance data of the input pixel in a...
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7474355 |
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...
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7454081 |
Method and system for video edge enhancement
A system and method that enhance edges in images by detecting and correcting edges of the components of the image, such as the luma and the chroma components. The luma and the chroma edges may be...
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7375760 |
Content-dependent scan rate converter with adaptive noise reduction
A content-dependent scan rate converter with adaptive noise reduction that provides a highly integrated, implementation efficient de-interlacer. By identifying and using redundant information from...
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7321402 |
Apparatus and method for component video signal conversion
Apparatus and method for converting a Y-Pb-Pr component video signal to a R-G-B component video signal. A luminance component video (Y) signal and a red color difference component video (Pr) signal...
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7289170 |
Method and apparatus for compensating for interlaced-scan type video signal
Disclosed are an apparatus and a method for compensating for an interlaced-scan type video signal for stably displaying the video signal in the LCD panel. An aft part of 264 th data of a first...
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7193656 |
Line address computer for providing coefficients to a chroma filter
Presented herein is a line address computer for providing chroma coefficients to a chroma filter. At each horizontal synchronization pulse, the line address computer provides a set of interpolation...
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7184094 |
Decoding system, video color converter and method thereof
A decoding system, a RGB video color converter and a method for color conversion of at least part of a decoded currently received YUV frame representing an image is provided. The currently received...
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7154557 |
Joint pre-/post-processing approach for chrominance mis-alignment
This invention corrects chrominance misalignment that occurs during chrominance down-sampling and up-sampling. The invention extracts a binary index from the corresponding luminance signal. The...
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7133547 |
Method for quantitative video-microscopy and associated system and computer software program product
A method of determining an amount of at least one molecular species in a sample from an image of the sample captured by an image acquisition device is provided, each molecular species being...
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7113223 |
High resolution color conforming
A method, system and computer program product for color conforming video material at a given resolution is provided. The given video material is first converted to a lower resolution version of the...
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7079284 |
Image processing apparatus
An image processing apparatus which processes a plurality of supplied color image signals and outputs the processed signals to an image forming apparatus. The image processing apparatus comprises a...
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7061538 |
Image-information converting apparatus and method, image displaying apparatus and method, coefficient calculating apparatus and method, coefficient-data storing apparatus, apparatus and method for detecting part where picture quality is degraded, recording medium, and program
The absolute value of the difference between each of the pairs of pixel values of a target pixel and an upper pixel with respect to the target pixel, a pixel that is left-adjacent to the target...
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7057671 |
Image and video processing with chrominance attenuation
The values of the primary color space components of an image signal, such as the components of RGB video signal, are maintained within their allowed range by modifying the signal in a different...
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7023496 |
Moving picture decoding display apparatus and method for controlling a video signal's contrast and brightness when a video signal update is detected
In a moving picture decoding display apparatus and moving picture decoding display method according to the present invention, moving picture decoder 101 decodes a moving picture signal, RGB...
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7006147 |
Method and system for MPEG chroma de-interlacing
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...
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6954234 |
Digital video data signal processing system and method of processing digital video data signals for display by a DVI-compliant digital video display
A system and method allows a high-bandwidth serial or parallel digital video broadcast data signal to be monitored on a low-cost digital display device such as a computer monitor. The system...
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6909914 |
Method for generating time independent images of moving objects
A method for generating time independent images of moving objects with the image information being related to properties of the moving objects represented by sequences of digital images. The images...
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6788812 |
Techniques for selective enhancement of a digital image
By automatically compensating for unwanted lighting effects caused by varying ambient light sources, digital still images and video are made to appear more naturally realistic. A set of correction...
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6788348 |
Method and system for processing digital images
Transforming digital images including luminance data relating to points with first coordinates and chrominance data relating to points with second coordinates is performed. More particularly, the...
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6774953 |
Method and apparatus for color warping
A method and apparatus for transforming color signals. The transformation is achieved by use of a first, coarse, look-up table and a second look-up table that provides coefficients to be used in...
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6750874 |
Display device using single liquid crystal display panel
A display device adopting a single liquid crystal display (LCD) panel, by which a decrement in luminance is reduced using only a single liquid crystal device, is provided. Accordingly, a...
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6741263 |
Video sampling structure conversion in BMME
An apparatus comprising a data modification circuit and a composite circuit. The data modification circuit may be configured to generate a first and second video component in response to a video...
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6674479 |
Method and apparatus for implementing 4:2:0 to 4:2:2 and 4:2:2 to 4:2:0 color space conversion
A method and circuit are provided for color space conversion of Y (luminance) and UV (chrominance) components from a planar YUV 4:2:0 format to an interleaved, or packed YUV 4:2:2 format, and from...
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6621526 |
Colorimetry converting apparatus
A plurality of video signals of which colorimetries are different with each other are inputted. YCrCb-to-RGB conversion circuits converts at least two video signals having different colorimetries...
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6614486 |
Multi-function USB video capture chip using bufferless data compression
A method and system for capturing live video signal data using bufferless data compression is disclosed. Live video signal data is vertically scaled. A 4:2:2 to 4:2:0 color format conversion is...
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6545653 |
Method and device for displaying image signals and viewfinder
Signals of odd lines in progressive scanning image signals in a first frame are extracted and displayed along odd lines on a matrix-type display device such as a liquid crystal display panel....
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6529244 |
Digital video decode system with OSD processor for converting graphics data in 4:4:4 format to 4:2:2 format by mathematically combining chrominance values
An on-screen display processor for a digital video signal processing system is disclosed. The OSD processor includes logic for converting a graphics bitmap in 4:4:4 format to graphics image words...
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6516088 |
Image information converting apparatus
An NTSC signal is supplied to a first area extracting circuit and a second area extracting circuit. The first area extracting circuit extracts class taps from the NTSC signal. The second area...
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6501507 |
Multimode interpolation filter as for a TV receiver
A multimode scan converter includes a delay element ( 33 ) for delaying one horizontal line of video signal and selectively re-displaying that line. A multiplexer ( 30 ) is arranged to selectively...
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6498868 |
Image scaling using pattern matching to select among scaling algorithms
A system for computing color information of a scaled version of a pixel of interest, includes a pixel identifier for identifying pixel color values for pixels in a neighborhood. The neighborhood...
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6496608 |
Image data interpolation system and method
A pixel filling system or method begins with an initial set of image data that is a subset of data values in a data array f k,l representing data values at corresponding positions (k,l). Some of...
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6462786 |
Method and apparatus for blending image input layers
A method and apparatus for blending a plurality of image input layers include processing that begins by converting each of a plurality of image input layers that have a color base that differs from...
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6437827 |
Filtering video signals containing chrominance information
The present invention relates to filtering an interlaced input digital signal containing fields of chrominance information preparatory to converting the format of the signal by means of a...
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6429900 |
Transmission of wideband chroma signals
A method of transmission of wide bandwidth chroma signals converts a component video signal having a luminance and two half-bandwidth chroma components into a 0:4:4 video signal having no luminance...
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6348950 |
Video signal processing circuit and image pickup apparatus using the circuit
This invention relates to a video signal processing circuit for easily simultaneously performing conversion of the number of lines and format conversion with a simple construction and an image...
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6335761 |
Method and apparatus for converting color base of an image layer
A method and apparatus for converting the color base of an image input layer include processing that begins by interpreting a conversion flag. The processing then continues by converting the color...
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6335734 |
Color converting method
In addition to linear conversion parameters V 1 to V 8 which are used in an interpolation calculation, non-linear conversion parameters VV 1 to VV 8 are calculated. Each time an input color is...
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6307592 |
Apparatus for converting the format of video signals based on frequency and composition ratio
A video signal format converting apparatus is provided for doubling a horizontal/vertical frequency, and converting the composition ratio of a luminance signal and color-difference signals, by...
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6297855 |
Signal conversion apparatus and method
A simplified Y/C separation circuit in which, a plurality of luminance signals are calculated for the subject pixel based on an NTSC signal of the subject pixel and NTSC signals of pixels that are...
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6297801 |
Edge-adaptive chroma up-conversion
An apparatus and method for scaling-up a set of video data uses variations in the black-and-white components, of a graphic image to better generate "missing" color components in an image. The...
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6281938 |
Signal processing system
A signal processing system 20 comprises a source 22 of video signals representing pixels in a first format (e.g. 4:4:4). The video signals are coarsely processed by a filter 43 and interpolator 44...
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6266093 |
Color video camera method and system
A method for generating interlaced video signals representative of color images of a scene includes the following steps: deriving a progressively scanned luminance signal representative of the...
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6229520 |
Digital processing for resized graphics images
A method for scaling graphics image data. The method operates on data that is in red-green-blue format. Each component is filtered to extract high pass information and then that information is...
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6219838 |
Dithering logic for the display of video information
Dithering logic includes a number of programmable linear feedback shift registers (LFSRs), each configured to receive one of a number of color components (e.g., red-green-blue) of a video...
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6211917 |
Method for performing plural matrix multiplication operations using a shared look-up table
In a method and apparatus for converting digitized luminance-chrominance color space signals to digitized RGB color space signals, a first combining unit generates a plurality of predetermined...
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6201486 |
Pre-processing of multiple sample rates sources to simplify and improve multi-channel DAC design
For a system having multiple sources of digital input data to be converted to analog by Digital to Analog Converters (DACs), pre-processing of the multiple sources of data is provided, such that...
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6188730 |
Highly programmable chrominance filter for 4:2:2 to 4:2:0 conversion during MPEG2 video encoding
A filter for downsampling input video having a first chrominance sampling to a second chrominance sampling. The input video has a Bitstream of data representing a sequence of picture frames, where...
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