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Class 348/393.1 - Direct coding of color composite signal


Subclass of Class 348 - Television
Definition: Subject matter wherein the video signal that is band reduced
No. of patents: 11
Last issue date: 02/28/2006


NumberTitleIssue Date
7006695Image compression/decompression system employing pixel thinning-out and interpolation scheme
An improved image thinning-out processing scheme includes processes of performing pixel thinning-out operation and compressing image data; and determining a position of pixel to be thinned out along a first direction depending on the position thereof along a second ...
02/28/2006
6947060Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method
An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance...
09/20/2005
6611274System method, and computer program product for compositing true colors and intensity-maped colors into a frame buffer
The color of a pixel is represented in a pixel storage word, wherein color coordinate data and intensity data are coded separately in two fields of the pixel storage word, the color field and the intensity field. This permits a range of colors to be repre...
08/26/2003
6330076Image processing apparatus
An image processing apparatus has a data conversion unit which converts RGB image data of a document to luminance component and chromaticity component, an optimization process unit which converts the distribution state of the luminance component data and ...
12/11/2001
6205181Interleaved strip data storage system for video processing
A method and apparatus for storing a macroblock from a video data stream is disclosed. A macroblock is received, the macroblock having a plurality of blocks corresponding to a plurality of color space components and having a width defined by a plurality o...
03/20/2001
6184936Multi-function USB 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 performed simultaneous with the vertical scaling step. A one-...
02/06/2001
6040875Method to compensate for a fade in a digital video input sequence
A method to compensate for a fade in a digital video input sequence is provided where the video input sequence is to be compressed according to the MPEG-2 video compression standard. The method comprises a first step of dividing each frame of a current fr...
03/21/2000
6037982Multi-pass video compression
First-pass processing is applied to a video sequence comprising a plurality of video frames to generate first-pass processing results for the video sequence. After completing the first-pass processing, subsequent-pass processing is applied to the video se...
03/14/2000
5159443Image signal encoding/decoding apparatus and system
An image signal encoding apparatus that receives a three primary color image signal composed of binary red, green and blue colors. A converter applies predetermined logical conversion to the three primary color image signal to produce first, second and th...
10/27/1992
5142272Method and apparatus for processing display color signal
A color video signal processing method and apparatus wherein the compressed display data of each pixel consists of a color identification code and a color saturation data relative to the color or luminance of the pixel having the maximum saturation change...
08/25/1992
4802003Color picture information transmission system
The color picture information transmission system according to the invention is a system for transmitting a color picture information signal, wherein a color component information signal is created from the inputted color picture information signal, a plu...
01/31/1989
 
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