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5986694 |
Image processing apparatus for moving camera
With employment of two images acquired by imaging an imaging object at two different positions and also parameters of a camera under imaging operation at these positions, both the imaging positions...
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5982953 |
Image displaying apparatus of a processed image from temporally sequential images
An image displaying apparatus includes a memory, an image reader, an image processor, an image adder and a display. The memory stores a plurality of medical images including temporally sequential...
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5956091 |
Method of showing 16:9 pictures on 4:3 displays
In a method of processing 16:9 pictures for display on a screen with a 4:3 aspect ratio, each line of the television signal is compressed and/or expanded so that the ratio of the length of a...
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5953076 |
System and method of real time insertions into video using adaptive occlusion with a synthetic reference image
A system and method for realtime occlusion processing for seamlessly and realistically blending an inserted image such as an advertisement into a region of a live broadcast image without obscuring...
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5877818 |
Special effect picture device
A special effect picture device is disclosed in which a transformed picture which is non-linear with respect to an original signal is formed using a video signal and a key signal for the original...
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5864639 |
Method and apparatus of rendering a video image
A method of rendering at least part of an image from an at least one external source into a two-dimensional memory array having integer x and y pixel coordinates based upon a set of integer...
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5835159 |
Video special effect generator
A video special effect generator comprises a first mixer supplied with an input video signal indicative of an input image, a delay circuit for delaying an output video signal supplied thereto from...
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5815199 |
Interphone with television
An interphone with television includes a terminal device having a wide-angle image input camera, an image output circuit, and a master device for receiving an image signal from the image output...
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5808695 |
Method of tracking scene motion for live video insertion systems
A method for tracking motion from field to field in a sequence of related video broadcast images. The method uses template correlation to follow a set of predetermined landmarks within a scene in...
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5742353 |
Image processing apparatus
In a scanning line converting operation, an image signal is processed through a system including memories, switches, arithmetic circuits, an adder, a subtracter and a switch. In a graphic process,...
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5734434 |
Non-linear aspect ratio adaptation
An adaptation of an aspect ratio of a picture signal is effected by providing (1) a second derivative (D2) of an expansion factor (EF) in response to at least one constant value (C1, C2), by...
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5726716 |
Perspective representation system for displaying portions of an original picture in a displayable picture
In response to the designation of a rectangular partial region of an original picture to be reproduced, the designation of a rectangular partial region of the displayable picture at the...
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5696849 |
Cascaded anti-aliasing filter control for sampled images
A cascaded anti-aliasing filter control circuit for sampled images has a plurality of video effects modules coupled in a chain,. each module performing a particular transform of a cascaded video...
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5686957 |
Teleconferencing imaging system with automatic camera steering
An automatic, voice-directional video camera image steering system specifically for use for teleconferencing that electronically selects segmented images from a selected panoramic video scene...
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5619226 |
Scaling image signals using horizontal and vertical scaling
Image signals corresponding to a first row of the image are horizontally scaled and stored in an external memory device. A first portion of the horizontally scaled first-row image signals are...
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5598486 |
Image transformation apparatus
In an image transformation apparatus, the image formed by an input video signal is stored into a memory, and the input video signal is read based on a read-address data of a predetermined...
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5561723 |
Localized image compression calculation method and apparatus to control anti-aliasing filtering in 3-D manipulation of 2-D video images
A dynamically variable anti-aliasing filtering system calculates on a local basis the compression factors (Cf) present in an image that is being mapped from a two-dimensional source image through a...
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5528194 |
Apparatus and method for performing geometric transformations on an input image
An image transforming apparatus comprising a means for holding an input image signal, a means for holding geometric parameters for the image signal in a photographing mode, a processing means for...
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5523791 |
Method and apparatus for applying overlay images
Apparatus for use with standard television (TV) for superimposing images, captions, titles, or other information over the television scene. Synchronization of the superimposed images with the...
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5521648 |
Image transforming apparatus to provide special effects
In an image transforming apparatus for performing the predetermined image transform for the image, the image formed by input video signal is stored in a memory, and the input video signal in the...
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5515485 |
Method and device for modifying a zone in successive images
A process modification of the content of a sequence of images which can be represented as a matrix of pixels. For that purpose a non-deformable target zone to be replaced in the scene is identified...
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5508734 |
Method and apparatus for hemispheric imaging which emphasizes peripheral content
A system for electronic imaging of a hemispheric field of view includes a camera for receiving optical images of the field of view and for producing output data corresponding to the optical images....
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5469222 |
Non-linear pixel interpolator function for video and graphic processing
A method and pixel interpolation system for non-linear interpolation of images having a plurality of input pixels and pixel positions. According to a preferred embodiment of the invention, a...
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5448301 |
Programmable video transformation rendering method and apparatus
A programmable video transformation rendering method and apparatus regenerates an arbitrary reverse address map according to a transformation function representing a desired video effect by using a...
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5369450 |
Electronic and computational correction of chromatic aberration associated with an optical system used to view a color video display
Methods and systems are presented in which at least one geometric distortion function is separately determined for application to a particular primary color component of a color video display to...
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5369735 |
Method for controlling a 3D patch-driven special effects system
A patch-driven video 3D special effects system constructs an output display of a desired three-dimensional shape with real-time video picture information displayed on the surface of the shape by...
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5295199 |
Image transforming apparatus and method
An image transforming apparatus for transforming an input video signal representing a two dimensional image into a transformed video signal representing a three-dimensional surface and for...
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5282262 |
Method and apparatus for transforming a two-dimensional video signal onto a three-dimensional surface
A method and apparatus for transforming a two-dimensional input video signal onto a three-dimensional surface and for depicting illumination thereof by a spot light source transforms the...
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5214511 |
Image transforming apparatus
An image transforming apparatus forms an output image by mapping input image onto a three-dimensional curved surface, and obtains a position of a region on an input image corresponding to a...
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5148277 |
Mosaic effect generating apparatus
A mosaic effect generating apparatus having at least a single-line memory supplied with an incoming video signal, and supplying as its output a mosaic effect signal a clock signal generating...
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5107252 |
Video processing system
A video processing system for use in combining a first video image sequence comprising a number of image frames and a second sequence of video image frames to create a composite video image...
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5067019 |
Programmable remapper for image processing
A video-rate coordinate remapper includes a memory for storing a plurality of transformations on look-up tables for remapping input images from one coordinate system to another. Such...
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5027287 |
Device for the digital processing of images to obtain special geometrical effects
The obtaining of a geometrical effect, with an image, is done by a two-dimensional filter with variable characteristics controlled by a computer to compute the points of a pre-established...
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4985756 |
Special effect system for video signal
A television video signal processing circuit for imparting to a television picture special effects includes special function generators and picture pixel distance calculating circuits which enable...
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4965844 |
Method and system for image transformation
A method of transforming an input video image data onto a three-dimensional surface is disclosed which comprises the steps of defining the three-dimensional surface, providing mapping data for...
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4956872 |
Image processing apparatus capable of random mosaic and/or oil-painting-like processing
An image processing apparatus in which a pixel of first image data is designated, a predetermined pattern is generated on first image data in accordance with the position of the designated pixel,...
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4951125 |
Image pickup apparatus
An image pickup apparatus has only a few line memories (5, 6, 7), a change-over switch (4, 104) for selectively supplying input signals to the line memories and a selector (8, 108) for selectively...
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4949286 |
Dress design forming apparatus
A method and apparatus for interactively generating and visually displaying deformed, free curved surfaces for use in dress designing using a computer aided display apparatus by forming plane...
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4922345 |
Processing of video image signals
A control signal synchronized to a digital video signal to be processed and defining the position of a rectilinear line (51,52,53,54) relatively to the image frame (50) is generated by providing an...
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4918526 |
Apparatus and method for video signal image processing under control of a data processing system
In order to process video images under control of a data processing system, a video signal processing device is described that can be coupled to a data processing system interface unit. The video...
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4916540 |
Special effect apparatus for video signal
A special effect apparatus which is capable of producing a special effect image in which a speed of image transformation is changed as a function of location between a plurality of predetermined...
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4908874 |
System for spatially 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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4858149 |
Method and system for solid modelling
A method of generating a spatial representation of a 3-D solid object, which includes component shapes, which can be defined by transforming constructive solid geometry primitives includes the...
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4858010 |
Method of and apparatus for processing video signals
An arrangement for processing video signals, the video signals having the form of digitally encoded samples and being arranged to produce a television picture by line and field sequential scanning...
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4821121 |
Electronic still store with high speed sorting and method of operation
An electronic still store system stores and selectively outputs video image data defining a plurality of signal frame still images. The simultaneous display of up to 16 or more quarter sized images...
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4752828 |
Method for producing a geometrical transformation on a video image and devices for carrying out said method
Special effects are produced on video images by means of a method of geometrical transformation which can involve a translation, a rotation, an affine transformation or an effect of perspective....
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4751579 |
Special image effect producing apparatus with memory selection
An input device inputs waveform number data containing number assigned to a special-effect waveform to be selectively generated. A memory unit is connected to the input device in order to store the...
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4729032 |
Picture recording apparatus having means to facilitate raster scan line observation during video adjustment
A picture recording apparatus for recording as a hard copy such as a photography television image signals of a still picture reproduced on a display tube of a television monitor is disclosed. The...
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4727411 |
Mirror image generator for composite signals with chroma inversion
The mirror image generator for composite signals with chroma inversion includes a first step of orthogonally modulating first and second color difference signals by first and second subcarriers...
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4707742 |
Video signal processing arrangement
A video signal processing arrangement for television signals encoded in digital form comprising means for compressing and/or expanding the size of the television picture represented by the video...
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