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7602401 |
Image display apparatus and method, program therefor, and recording medium having recorded thereon the same
An image display apparatus for displaying an image on a panel having pixels each including a plurality of subpixels of different colors includes an interpolation operator interpolating consecutive...
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7548279 |
Video signal processor
In the event that the maximum Imax of R, G, B color signals is detected and the maximum value Imax is equal to or higher than the suppression start level Vcs which is lower than a predetermined...
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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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7425994 |
Video decoder with different signal types processed by common analog-to-digital converter
A video decoder ( 14 ). The decoder comprises an interface ( 30 ) for receiving a set of an integer number S of analog input signals at a same time. The decoder also comprises circuitry for...
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7376277 |
Data transform for improved compression of multicomponent images
Color image transform coding methods and apparatus which take advantage of redundant information which is normally present in the luminance and chrominance components of a color image are...
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7362383 |
System, method and apparatus for utilizing a single video input of an electronic audio/visual signal receiver as an input for multiple video signal formats
A system, method, and apparatus for utilizing a single video input for receiving multiple video format signals in an electronic video receiver. The single video input includes a set of inputs to...
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7265778 |
Visual display characterization
A method of characterizing a display having a plurality of color channels includes the steps of visually characterizing the nonlinearities of the display; determining luminance ratios of the color...
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7224406 |
Digital signal processing system and method applied for chroma transition
A digital signal processing system and method applied for chroma transition, wherein the method has the acts of: performing a difference process on an original chroma signal C to obtain a first...
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7196735 |
Method for determining an adjustment amount to an input chroma
A method is disclosed for determining an adjustment amount to be made to an input chroma, C in , to squeeze the input chroma toward a region of preferred chroma, C pref . This method involving...
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7145605 |
Synchronization of chroma and luma using handshaking
An apparatus for synchronizing chroma and luma data includes a first handshake block for luma data, a second handshake block for chroma data, and a means for providing a handshake signal to the...
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7113227 |
Gradation correcting apparatus gradation correcting method and video display apparatus
The present invention has an object to provide a gradation correcting apparatus for correcting the gradation of the white side of a video luminance signal. The gradation correcting apparatus is...
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7068327 |
Video encoder and image processing system using same
A video encoder capable of adjusting output levels and more effectively utilizing performances of later devices, provided with a level adjustment circuit for adjusting output levels of an input...
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7068283 |
Gamma correction only gain/offset control system and method for display controller
A display controller provides luminance values to a display, where values for contrast and brightness for the display are constructed within a gamma correction mapping table. The display controller...
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6950834 |
Online database table reorganization
A database table reorganization is defined to permit online access of the table during the reorganization. Records are reorganized in the database table by vacating records from a defined number of...
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6937294 |
Multiplexed video signal interface signal, system and method
A multiplexed video signal interface in accordance with the present invention provides a multiplexed component video signal which includes component video signals with OSD data and...
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6825887 |
Color component signal interface circuit
An interface circuit 13 is provided for a display apparatus 3 such as a television. The display apparatus 3 comprises a video signal processing circuit 8 for processing a composite video...
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6768385 |
Intelligent phase lock loop
A PLL architecture with fast phase acquisition, a stable freerun output frequency, and post-freerun fast phase recovery. The invention is particularly well suited for use in a video graphics a/d...
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6734921 |
Processing signal samples of color video image to produce legalized color version of the image
An image processing apparatus operates to process signal samples representative of at least part of a color video image to produce legal color signal samples representative of a legal color version...
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6703802 |
Saturation suppression of CRT output amplifiers
The invention provides a circuit for controlling a cathode ray tube. The circuit comprises a source of input color signals (U in (R), U in (G), U in (B)) for the primary colors of the cathode ray...
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6686971 |
Device and method for decoding television video signal
Device and method for decoding a television video signal are suggested. The device includes a tint controller and a color space converter. The tint controller converts a plurality of color space...
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6583824 |
Color modification on a digital nonlinear editing system
A color modification system and method for reducing the number of computations performed on a pixel color. This reduction in computations increases the rate at which color modification may be...
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6549909 |
Information processing apparatus and a method
An information processing apparatus is connected to a plurality of application devices. A memory section in the information processing apparatus stores, by unit of object corresponding to the...
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6483550 |
Video signal level converting device and video signal analog-to-digital converter
An analog-to-digital converter for converting an analog television signal to a signal in compliance with a digital encoding standard is provided. The analog-to-digital converter according to the...
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6480241 |
S-video signal loss compensation processing apparatus and method
In an S-video signal processor, the luminance signal is amplified and adjusted over selected frequency ranges using a parallel signal for shaping the S-video signal response and permitting the...
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6411340 |
Chrominance signal processing apparatus in video signal processing system
A chrominance signal processing apparatus in a video signal processing system which has a simple configuration capable of achieving chrominance signal control and RGB transform functions using a...
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6373531 |
Image processing apparatus, method, and recording medium for performing color correction suitable for matching ambient light for different types of output devices
An image processor includes a determination unit which determines an adaptation ratio of a reference white color value with respect to at least two white color values. Also included are a...
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6369860 |
Color conversion apparatus and method for image data
A color conversion apparatus in which an output result of a color converting circuit at a succeeding stage for color-converting a specific color can be prevented from being affected by an output...
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6292231 |
Color signal generation circuit
A reference signal having either twice or four times the frequency of a color burst signal (2fsc or 4fsc) is divided into a plurality of divided signals, each having the same frequency as that of...
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6229579 |
Color encoder with chrominance subcarrier generator responsive to a plurality of clock rates or frequencies
A color encoder is incorporated in an apparatus for reproducing a signal recorded on a disk for a video-CD, CD-G, or similar system. The color encoder serves as an interface between such an...
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6226053 |
Video line connection apparatus for adaptively connecting external input/output line
A video line connection apparatus for adaptively connecting external input/output lines, the apparatus capable of flexibly selecting an output by responding to the external line which is connected...
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6198512 |
Method for color in chromatophoric displays
Color display pixels taken in localized groups are transformed from RGB color signals intended for a self-luminous display into WCMYRGBK signals to drive a chromatophore color display device. Each...
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6188443 |
Image display device and information processing apparatus arranged to convert an analog video signal into a digital video signal
An image display device is arranged to convert analog video signals into digital video signals and display the corresponding image to the digital video signals. The image display device provides a...
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6122018 |
Video display apparatus and method for controlling the switching of external input terminals thereof
A video display apparatus includes: storage means for holding connection information on connections between a external input terminals and external units corresponding thereto; and switching...
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6100938 |
Gamma correction circuit for television receiver
A gamma correction circuit for a television receiver includes a low pass filter for filtering a luminance signal gamma-corrected in a transmitter side and outputting a low frequency zone component...
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6088066 |
System for temporarily displaying monochrome images on a color display
The system for viewing color video "automatically" enables and disables a color killer circuit (monochrome/color mode) so that the color video may be viewed in monochrome. Enabling and disabling...
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6046779 |
Circuit arrangement for phase shifting a color signal prior to comb filtering and then cancelling the phase shift after comb filtering
A circuit arrangement processes a color signal reproduced from a record carrier, preferably a video tape, and modulated on a carrier wave of a first carrier frequency (color-under signal). The...
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6028646 |
Color image enhancement device for video display appliance
A color image enhancement device for a video display appliance capable of improving the sharpness of the color image using a saturation component. The device includes an RGB (red, green,...
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6016167 |
Method of color correcting digital video data
A method of color correcting digital video data 21 is disclosed, comprising the steps of providing a workstation 22 connected to a source 20 of digital video data, analysing video data at the...
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5982450 |
Color video signal processor including switched capacitor filter and drive pulse generator
A video signal processor for use in a multi-color standard color video apparatus including a horizontal synchronizing signal generator and a baseband circuit provided on a same LSI chip as a video...
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5959698 |
Poly phase filter for dot sequential color difference signal conversion
A poly phase filter for converting a sampling frequency of a digital video signal to perform a dot sequential color difference signal conversion operation, the digital video signal including a...
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5905543 |
Color video system with illuminant-independent properties
The signals received by the three cameras of any color video system are determined by the reflectance properties of the objects in the scene and the spectral distribution function of the...
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5900952 |
System for converting color image signals having high-frequency components from RGB to CMY color spaces
A system for converting original RGB color signals to CMY signals includes the step of separating color signals from the original image into low-frequency and high-frequency components. The...
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5892553 |
Slow motion image processing system and method
A device for processing color data (R, G, B) of a signal representing an image. The processing device has a mechanism which, for each color data item, consist of an analog/digital converter (12,...
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5844629 |
Digital-to-analog video encoder with novel equalization
A digital-to-analog video encoder method and apparatus having unique equalization are disclosed. The encoder converts digital video signals into one or more analog video formats using one or more...
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5841485 |
Video signal processing and processor taking ratio of intermediate filtered signals
A signal processor for extracting chrominance information from a composite video signal has transversal filters developing first and second signals (A and B). A look-up table generates a control...
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5838389 |
Apparatus and method for updating a CLUT during horizontal blanking
An apparatus and method for updating a color look up table and expanding video data for use in various applications such as a multimedia computer. The color look up table updating scheme permits...
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5831687 |
Color video signal processing method and apparatus for converting digital color difference component signals into digital RGB component signals by a digital conversion
In a color video signal processing method, color difference component signals are converted into RGB component signals by a digital to digital conversion so as to reduce a size of a processing unit...
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5831680 |
Color signal processing circuit capable of processing PAL/NTSC color television signals which prevents image deteriorization caused by chromatization
In a color signal processing circuit capable of processing a PAL/NTSC color television signal, in order to prevent an image deterioration caused by chromatization when a PAL signal is received in...
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5812213 |
Video signal processing method and apparatus employing luminance and chroma allowances for controlling the chroma level
A video signal processing apparatus for separating a video input into a luminance signal and a chroma signal which are sent respectively for individualized special effect processing. Special effect...
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5757340 |
Amplifier with a second active element being cascode connected to a first active element and having a control electrode connected to a constant voltage
An amplifier circuit in a display device for a monitor unit in a computer system or the like, includes first active element whose control electrode is supplied with a signal from an input terminal;...
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