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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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6184936 |
Multi-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...
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6157415 |
Method and apparatus for dynamically blending image input layers
A method and apparatus for dynamically blending a plurality of image input layers include processing that begins by determining color base (e.g., color space, colorimetries and/or any defining...
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6122377 |
Video signal receiver with record protection
A video signal receiver has a first output terminal, at which only a chroma, video, blanking, sync signal or a video, blanking, syncs signal with a chrominance signal is output. A second output...
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6088062 |
Picture signal processing apparatus
A picture signal processing device for performing picture signal processing such as conversion of the number of pixels or conversion processing for the number of scanning lines. The picture signal...
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6055019 |
Converting apparatus
A digital component signal derived from a video camera and the like is converted into a digital composite signal such as a color TV signal by a low-cost converting apparatus with a simple circuit...
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6049356 |
Method of doubling vertical line speed for HDTV camera and device thereof
A device and method of doubling a vertical line speed for a camera for domestic use, the method including the steps of a) writing G1 channel data output from a G1 CCD of a 4CCD for a period of...
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6020922 |
Vertical line multiplication method for high-resolution camera and circuit therefor
A vertical line multiplication method and circuit multiplies the number of vertical lines of a video signal which is imaged by use of 4 CCDs to transform the video signal into another video signal...
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5982432 |
Method and apparatus for converting color component type of picture signals, method and apparatus for converting compression format of picture signals and system for providing picture signals of a required compression format
In this picture signal converting apparatus, digital picture signals compressed in a DVC format are decoded to non-compressed picture signals of a 4:1:1 color component type which are composed of...
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5963263 |
Method and apparatus requiring fewer number of look-up tables for converting luminance-chrominance color space signals to RGB color space signals
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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5959679 |
Scan converter for converting a video signal for a television receiver
A scan converter converts horizontal and vertical synchronizing signals and digital R, G, and B signals fed from a computer into a television signal through digital processing that is performed by...
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5943100 |
Circuit arrangement for frequency conversion of a color signal
For purposes of simple construction and universal application, a circuit arrangement for frequency conversion of a color signal to a second carrier frequency, this color signal being present in...
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5926220 |
Composite digital video decoder and digital compressor
In accordance with an illustrative embodiment of the invention, a composite video signal is decoded as follows. A filtered and optionally re-sampled luminance component is obtained by vertical...
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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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5905536 |
Video signal converter utilizing a subcarrier-based encoder
A video converter converts an input video signal conveying pixel data representing an M×K pixel image to an output video signal conveying data representing an N×L pixel image. The converter...
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5896178 |
Method and system for converting VGA signals to television signals including horizontally averaging and thinning scanning lines before vertically averaging the scanning lines
A video system conversion method and apparatus for converting RGB signals of a VGA system to signals for a television system such as the NTSC or PAL system and requiring reduced memory capacity....
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5889562 |
Memory requirement reduction in a SQTV processor by ADPCM compression
An SQTV processor is for converting a video signal received at an interlaced scanning frequency of 50 or 60 Hz to an interlaced scanning frequency of 100 or 120 Hz, respectively, and implementing...
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5812204 |
System and method for generating NTSC and PAL formatted video in a computer system
A system and method for generating NTSC and PAL formatted composite video signals in a computer. Digital pixel data may be processed by software to form component video pixel data, which may...
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5784116 |
Method of generating high-resolution video
Disclosed is a method for generating a high-resolution, real-time, digital video signal from an analog composite video signal such as an NTSC, PAL, or SECAM signal. The analog video signal is...
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5742350 |
Video system performing non-uniform interpolation of color space signals and method of using same
A real-time video system which performs non-uniform interpolation between adjacent vertical scan lines is presented. The video system includes a converter, a memory, an enhanced-video circuit, and...
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5712687 |
Chrominance resampling for color images
Chrominance resampling for color images to produce an upsampled chrominance signal from a subsampled chrominance signal uses luminance to detect edges in the color image. The detection of edges...
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5666137 |
Packed YUV9 format for interleaved storage and efficient processing of digital video data
A digital color video signal is subsampled into a special YUV block format that arranges the data in small groupings of interleaved V, U, and Y values in a left-to-right, top-to-bottom sequence...
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5666166 |
Method for converting progressive scan signals and converter thereof
A converter comprising an input terminal 1 for receiving a chrominance signal of 4:2:2P format progressive scan signal, a low pass filter 2 for passing low frequency component contained in the...
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5650824 |
Method for MPEG-2 4:2:2 and 4:2:0 chroma format conversion
A chroma format conversion method that determines whether chroma format data to be converted is interlaced data or not. When the chroma format data is non-interlaced data the chroma format data is...
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5642169 |
Television signal converting apparatus
This invention discloses a television signal converting apparatus for converting a television signal of a certain system containing a luminance signal component and chrominance signal components...
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5555030 |
Component video signal to composite video signal encoding system, control system and method
In a component video signal to composite video signal encoding system (10), the component input signals are stored in a first in, first out (FIFO) memory. The FIFO memory is connected by 1...
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5528306 |
Video signal processing circuit for converting digital color difference signals into a carrier chrominance signal
A video signal processing circuit capable of converting digital color difference signals directly into a carrier chrominance signal is described. The processing circuit includes a first flip-flop...
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5526055 |
Apparatus and method to derive a television color subcarrier frequency signal from a computer video signal
A technique to derive a television color subcarrier frequency signal from a computer video signal is described. A computer generates a computer video signal including a horizontal synchronization...
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5457498 |
Television signal digitizing method dividing progressive-scanned signal into two complementary interlace signals
A television signal digitizing method reduces the quantity of information without deterioration of image quality when digitizing progressive-scanned signals. The method uses a step of dividing a...
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5389949 |
Video signal processor
A video signal processor comprising: a device defining a color pallet for converting a color code specifying the color of each pixel of a display picture into digital RGB color data; and a...
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5387937 |
Motion compensation for color video signals
A motion compensation technique for color video signals involves deriving at least one principal component from the video signals by means of a hotelling transform circuit and a matrix, and...
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5333014 |
Non-sharp cut filters for assembling and splitting in Weston Clean PAL
An assembler and splitter of a Weston PAL (W-PAL) video signal has filter functions F 1 , F 2 at the assembler for the luminance and chrominance components and corresponding functions F 3 , F 4 ...
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5333060 |
Video signal processing circuit of a video signal recorder/reproducer
Video signal processing circuits which improves an adaptive folding circuit and an adaptive unfolding circuit for lowering and restoring the signal level of a high frequency component in processing...
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5311301 |
Apparatus for automatically discriminating between at least three different broadcasting systems
An automatic broadcasting system discriminating apparatus includes: a first status detecting circuit for discriminating the broadcasting system by utilizing color burst signals; a second status...
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5272520 |
CIF converter with reduced multipliers
A CIF converter has N multipliers (where N is smaller than five) and N integrators connected respectively to the outputs of the N multipliers. Every five horizontal lines of an input NTSC or PAL...
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5268750 |
Apparatus for adjusting the timing of sampled data signals in a resampling system
A video signal processing system uses a sequence of interpolation filters to resample a 125M video signal to produce a 244M signal. In addition, the system allows an operator to specify a desired...
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5255081 |
Color television camera apparatus and method for producing an analog video signal for use with a plurality of video standard system
In a color television camera apparatus, a 2fs-rate luminance signal and fs-rate chrominance signals are selectively generated by a matrix circuit 8, in conformity with a plurality of standard...
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5249038 |
System and method for converting component video signals to a composite video signal compatible with the PAL standard
A system which converts sampled component video signals having a first sample rate to a digital composite video signal compatible with the PAL standard and having a sample rate which is...
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5235421 |
Encoding device in a super high definition television system and method thereof
An encoding device for selectively transmitting not only the picture of a 1×NTSC level but also the superhigh resolution pictures of 2×NTSC, 3×NTSC or 4×NTSC levels, by reducing the bandwidth...
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5218430 |
Color video transmission
The invention improves the reconstitution of video signals which are transmitted as sequential luminescence fields (odd and even), whereby, e.g. the relative position of the fields is determinative...
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5212550 |
MUSE/NTSC standard converter
A MUSE/NTSC standard converter is disclosed for converting an HDTV broadcast signal, transmitted with the MUSE standard, to be watched through an NTSC standard television set. The converter...
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5070395 |
Television signal system conversion apparatus
An apparatus for processing a MUSE system television signal to obtain a converted NTSC system signal which can be displayed by a conventional NTSC receiver, enabling selection of a first mode of...
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5041904 |
Video signal processing circuit
In a digital video signal processing circuit where digital composite video signals are inputted and processed in separation into a luminance signal and a chrominance signal, the digital video...
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4958230 |
Method of transmitting auxiliary information in a television signal
Apparatus for augmenting a television signal with auxiliary signal includes circuitry for modulating a picture carrier with baseband video signal to generate a vestigial sideband television signal....
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4956701 |
Frequency converter for a digital chrominance modulator
A frequency converter circuit for converting the frequency of a Hi-Vision carrier chrominance signal into the frequency of an NTSC signal includes a buffer memory wherein color signal data are...
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4933748 |
Apparatus for processing a color video signal
In an apparatus for processing a repeatedly reproduced single field of a color video signal, the phase of a chrominance subcarrier in the color video signal is shifted by 90 degrees at each field...
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4914512 |
Electronic endoscope apparatus capable of displaying hemoglobin concentration on color image
In an electronic endoscope apparatus, there are provided a brightness converter for converting brightness of a color image signal of a biological body under examination while the biological body is...
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4882625 |
Improved definition television set with external luminance and chrominance signal inputs
An improved definition television (IDTV) set including a motion sensing circuit for sensing motion of images and generating a motion sensing signal, a motion adaptive Y/C separating circuit...
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4819077 |
Color image processing system
A color image processing system comprises a device for taking an image of an object, a first converting device for converting the image information obtained by the imaging device into red, green,...
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4816898 |
Digital video image converter
Each horizontal line of a high-resolution video image signal, input in an image format having a plurality of pixels of a predetermined resolution, is subjected to anti-alias filtering to produce a...
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