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4700232 |
Interpolator for television special effects system
A first pair of input data words represent two adjacent pixels on a first line of a first field of a video signal in interlaced format, a second pair of input data words represent two adjacent...
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4700228 |
Television special effects generator
A television special effects generator operating on digitally encoded video signals is disclosed. The generator includes a frame store, input addressor and output addressor. The input addressor...
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4697210 |
Endoscope for displaying a normal image
An endoscope used for observing the interior of a cavity in a human body. In the endoscope according to the present invention, an image sensor is provided in the forward end of an insertion section...
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4682227 |
Digital video signal processing apparatus for providing zoom and compressive images with soft focus
A video signal processing apparatus comprises an input (1) for receiving an input video signal and an output (2) at which the processed signal is produced. The apparatus includes a vertical filter...
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4680630 |
Apparatus for processing digital video signals to produce a television image by line and field sequential scanning
An arrangement for rotating television pictures comprises a frame store into which a rotated input picture is written under the control of a write address generator which is in turn controlled by a...
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4667222 |
Television effects system for manipulating composite color television signals
This invention discloses a system for manipulating color television images transmitted in the NTSC system of television. Manipulation is by known methods which involve storing in a memory picture...
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4665433 |
Video signal processing with filtering to account for picture compression
A video signal processing system which produces the same output image as the input image but with a size and/or shape change applied to it. The incoming video signals are written into the frame...
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4660081 |
Video signal processing apparatus having interpolators switchable between an input and an output of a field memory
A video signal processing arrangement comprises an input (1) for receiving an input video signal and output (2) at which the processed signal is produced. The arrangement includes a vertical filter...
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4647971 |
Moving video special effects system
A method of and apparatus for storing two scan lines of encoded video information for the purpose of writing said information into a main video memory such that the two lines may be transferred to...
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4636837 |
Time base conversion apparatus
A time base conversion apparatus has a first time base conversion circuit for subjecting an input signal to a time base conversion, a filter for filtering an output signal from the first time base...
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4631750 |
Method and system for spacially transforming images
A system for spatially transforming images by separate transformation of each dimension of the image is exemplified by a raster scan television system which includes for each color component a...
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4623922 |
System for time compression and/or expansion of electrical signals
A system for time compression and/or expansion of video signals is disclosed. Samples of the video signals are interpolated, written in a memory and read out of the memory. Clock signals used for...
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4622588 |
Method for generating a video image comprising a geometrical figure and a shape generator for carrying out said method
A generator for generating shapes derived from a square comprises a memory for storing the values of the function │X│ and a memory for storing the values of the function │Y│, an adder for...
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4609916 |
Method and device for displaying primary colors utilizing input values representative of brightness, saturation and hue of a colored background
The method consists of displaying, as colored background control variables, the brightness Y, the saturation S and the hue T which are desired and of deducing therefrom the coefficients of the...
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4602285 |
System and method for transforming and filtering a video image
A video transformation and filtering system generates for each source image data point a plurality of target image addresses indicating a displacement between a point at which the source image data...
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4572506 |
Raster line comparator circuit for video game
A comparator circuit incorporated into a video game device and operated responsive to first and second non-overlapping clock pulses can be used to compare background information location to SPRITE...
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4533952 |
Digital video special effects system
A video special effects processing system for superimposing a key video picture on a reference video picture. A key video signal which corresponds to the key video picture is stored in digital form...
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4528585 |
Television receiver having picture magnifying apparatus
Apparatus providing a magnified picture display for a television receiver employs a reduced-size digital memory which stores only the digitized video signal components necessary to generate video...
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4468688 |
Controller for system for spatially transforming images
A control system is coupled to control a system for spatially transforming images by separate transformation of each dimension of the image. The control system includes a control panel having a...
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4463372 |
Spatial transformation system including key signal generator
A spatial transformation system includes a processing system for each component of an input video signal. The processing systems respond to operator commands entered through a control panel to...
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4463380 |
Image processing system
An image processing system is disclosed wherein information corresponding to a selected geographical region or geometric system is stored and selectively retrieved and processed to reproduce images...
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4432009 |
Video pre-filtering in phantom raster generating apparatus
Orthogonal Cartesian coordinates descriptive of the raster scanning of a television display screen are generated at a programmable skew angle to the Cartesian coordinates of an image stored in...
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4412252 |
Image reduction system
A system is provided for reducing the total information contained in an image in order to reduce the size of the image. In an image comprising a number of lines, each line including a plurality of...
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4402012 |
Two-dimensional digital linear interpolation system
A two-dimensional interpolation of image data is provided for a video display system, in which a one-dimensional interpolator performs the interpolation in both dimensions with data flow control so...
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4398256 |
Image processing architecture
Image processing sections and associated circuitry for generating signals indicative of the centered moments of a sliding submatrix window of signals located within a larger image matrix are...
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4384336 |
Method and apparatus for lightness imaging
This invention provides mechanisms that detect the large dynamic range of radiant intensities in the natural environment, that use novel strategies to calculate an approximation of visual...
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4302776 |
Digital still picture storage system with size change facility
A digital picture storage system with various facilities including size change. The system includes real time frame storage and a non-real time store expediently provided as disc storage. The size...
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4287534 |
Method and system for creating a geometric figure at a selected position on the screen of a cathode ray tube
Method and apparatus for creating control signals which, when applied to a special effects mixer determine the shape and position of a geometric figure during a wipe transition. The control signals...
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4282546 |
Television image size altering apparatus
In television image size altering apparatus of the type wherein pixels relating to a composite video signal are sampled at a synchronous real time rate and wherein the flow of pixel information is...
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4282550 |
Digital magnification system
A system for magnifying a selected portion of a digital image as disclosed. The portion of the image to be magnified is selected and then each digital sample comprising the portion to be magnified...
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4240113 |
Picture manipulation in video systems
A video system and method for manipulating picture information in the form of a number of picture points. The information is manipulated by sequentially synthesizing a picture point from...
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4227215 |
Television picture positioning apparatus
Apparatus which when implemented with a television video synchronizer permits the operator to position the synchronized picture at any desired location of the television raster including off the...
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4220965 |
Modification of T.V. image performed using ram storing the image content
A complete analog color-T.V. signal is separated into a luminance component and a color component. Each component is digitalized and then written into an RAM sequentially using a first addressing...
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4163249 |
Picture processing system for television
A T.V. picture processing system comprising an input arrangement for receiving T.V. picture information and converting it into a form suitable for an input processor. The input processor modifies...
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4152719 |
Video picture compression
A video compressor including an analogue to digital converter for sampling an incoming video signal, a store for holding the sampled signal and a digital to analogue converter for reconverting the...
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4134128 |
Television picture size altering apparatus
The size of a color television picture field is changed without changing the size of the raster. This is achieved in an apparatus that includes means responsive to a field of television video...
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4091374 |
Method for pictorially displaying output information generated by an object imaging apparatus
A method for pictorially displaying output information generated in the form of an electrical signal by an apparatus for imaging an object which includes a first display means for visually...
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4063280 |
Chroma-signal processing system
Chroma-signal processing system is disclosed wherein a color television signal is sampled at a frequency equal to a sub-carrier frequency multiplied by an integer, and chroma-components of the...
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4020279 |
Adjustable anamorphic image converter
An adjustable anamorphic transformer comprises a source of video signals, which are primarily -- but not exclusively -- images of a human brain. The video signals have their horizontal and vertical...
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3674930 |
VIDEO POINTER
A line or rectangle is superimposed on a video picture to direct attention to features of the picture and to indicate heights and angles of lines in the picture. Video signals are sampled to...
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3006993 |
Video effects generator
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