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Document Title |
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7636128 |
Poisson matting for images
An exemplary method includes receiving a trimap for an image that specifies a background region, a foreground region and an unknown region for the image wherein a boundary exists between the...
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7548644 |
Color correction
A digital image processing apparatus for applying pixel-based color correction to an input image to generate an output image is described herein. The apparatus includes color correction logic...
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7540011 |
Caching graphical interface for displaying video and ancillary data from a saved video
A system and a method for attaining a selectable image sequence are provided. The system includes a viewer display component configured to transmit a request from a user's interface component for...
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7444034 |
Systems and methods for image enhancement in multiple dimensions
A multi-dimensional data enhancement system can be embedded within a video cable for providing enhanced video images from a video signal source to a display. The multi-dimensional data enhancement...
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7408591 |
System and method for defocus difference matting
A method extracts an alpha matte from a video acquired of a scene. A set of pinhole or narrow aperture images I P is acquired of the scene with a camera aperture set to a relatively large...
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7312796 |
Perpendicular view three dimensional electronic programming guide
A method and apparatus of displaying an Electronic Programming Guide (EPG). In one embodiment, an EPG is constructed of a three dimensional virtual mesh, in which independent objects representing...
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7268832 |
Special effect device, key signal control device and key signal control method
A key signal control unit for controlling the level of a key signal corresponding to an arbitrary position within a frame area to a level corresponding to a minimum distance from an inner edge of...
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7268834 |
Method and apparatus for combining video signals to one comprehensive video signal
Method and apparatus for combining a first video signal and a second video signal. The method comprising the act of replacing data in the second video signal with corresponding, in respect of a...
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7236645 |
Image synthesizing apparatus and method
An α value in a desired shape in a desired position can be rewritten to a desired value in a desired range. α value rewriting units for rewriting an α value showing an opaqueness degree of an...
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7233366 |
Method and apparatus for sending and receiving and for encoding and decoding a telop image
To allow a telop image to be displayed appropriately even when color information and transparency information for the telop image are transmitted over a network, the present invention provides a...
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7061509 |
Method and apparatus for keying of secondary video into primary video
Apparatus for inserting an externally supplied video image into a computer graphics image. A TV card ( 131 ), responsive to synchronization signals, is connected to a video source to receive and...
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7034850 |
Displaying method, displaying apparatus, filtering unit, filtering process method, recording medium for storing filtering process programs, and method for processing images
A line image which comprises one line parallel to the juxtaposing direction of light-emitting elements is extracted from a three-time image, and a work region is determined, in which, in the...
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6927803 |
Video mixing apparatus and method of mixing video
A video mixing apparatus carries out a chromakey process producing less degradation of picture quality by generating a key signal which separates a foreground object component from a screen...
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6831704 |
Linking external devices to switcher transitions
An improved video production architecture adds an additional transition element for controlling external devices in synchronism with a given transition so that the transition is treated like a...
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6829015 |
Device and method for realizing transparency in an on screen display
Disclosed is a device and method for realizing transparency. When a user requests a transparent function, a specific background color that is selected to be transparent by the user is identified in...
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6822694 |
Signal processing apparatus
According to the signal processing apparatus of the present invention, in a text signal processing circuit, predetermined signal processes are executed to a luminance signal Y and color difference...
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6807296 |
Color conversion method and apparatus for chromakey processing
Upon chromakey processing, 4×4 transformation matrix is provided through which a backing color selected is transformed to the original point and monochrome color is transformed to vertically...
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6785402 |
Head tracking and color video acquisition via near infrared luminance keying
A system and corresponding method for head tracking and color video acquisition via near infrared luminance keying is disclosed. The head of the local user is tracked in real time by uniformly...
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6771879 |
Video processor for producing stored video key signals to be used for superimposing text or the like on background images
A video processor produces video and key signals to be processed by a television production switcher for superimposing text or the like on a background image. The video processor has a key...
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6766054 |
Segmentation of an object from a background in digital photography
The present invention provides methods and apparatus to distinguish and/or separate an object from a background. The methods use backgrounds of known and/or advantageous texture. In an embodiment,...
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6747705 |
Method and apparatus for creating non-linear motion picture transitions
Creating a transition between a first sequence of video frames and a second sequence of video frames. The method includes storing a table of values that express a non-linear response to certain...
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6714257 |
Color key preservation during sample rate conversion
The color-keyed regions of a color-keyed image are extracted from the color-keyed image, and the color-keyed regions and the non-color-keyed regions are independently scaled. The independently...
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6674485 |
Apparatus and method for image compositing
The present invention provides an image compositing apparatus capable of producing a natural composite image, with a simple structure and a less occupying space. The present invention also provides...
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6646687 |
Automatic background scene defocusing for image compositing
The present invention is a method and apparatus for automatically defocusing a background scene as the background scene is being composited with a foreground subject during the photography of the...
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6643325 |
Video signal processing
Video signal processing apparatus in which at least two input video signals are combined in proportions determined by a pixel key signal to generate an output video signal for compression, at least...
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6621499 |
Video processor with multiple overlay generators and/or flexible bidirectional video data port
A video processing device and method receives data from a common data source, such as a frame buffer and outputs first overlay information in a first color space from a first port and outputs...
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6454415 |
Interactive teleconferencing display system
A teleconferencing system in which the video image of a subject in front of a selected background scene is extracted from that scene and transmitted to other locations where selected backgrounds...
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6433833 |
System for efficiently generating a variety of solid signals and key signals
A system for generating a variety of solid signals and key signals. The system includes a multiple of solid generators, a multiple of key signal generators and a cross-point switch. Each of the...
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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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6348953 |
Device and process for producing a composite picture
Apparatus for producing a composite image from a foreground image (FG), showing an object or a scene with a substantially monochrome background, and background image (BG) comprising a first...
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6345120 |
Image processing system, image data transmission and reception apparatus, and image processing method
An image processing system which efficiently generates a desired special effect with a simple circuit. In order to add special effects to a given source picture, a target area specifying unit first...
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6327004 |
Picture replacement system and method of the same
A reference picture being as a reference of the replacement area, the reference position of the replacement area and the size of the replacement area has been memorized. Moreover, a replacing LOGO...
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6304298 |
Method and apparatus for determining the position of a TV camera for use in a virtual studio
A method of determining the position of a TV camera relative to a patterned panel being viewed by the TV camera including the steps of: identifying a plurality of edge points of the pattern from...
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6295096 |
Edge key generating method and edge key generating apparatus
To enable interlacing edge-generating means to be used for a progressive image signal that is separated into lines as two sequences of signals, the present invention comprises a pre-edge processing...
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6271890 |
Chromakeying system
A chromokeying panel for use in conjunction with a chromakeying system includes a plurality of first and second location. Each of the first and the second locations has a color within the color of...
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6262778 |
Image processing system
An image processing system 11 is arranged to produce data representing a combined image from foreground data F representing a foreground subject in front of a chroma backing and background data B...
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6243143 |
Effecting video transitions between video streams
Combining first and second video streams into a combined output video stream by using a gradient table listing gradient values for pixels in a video frame to address a look up table of key values,...
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6226048 |
Image signal processing apparatus having a signal level corrector circuit
An image signal processing apparatus is provided and includes a YC separator circuit for extracting a chrominance signal from an image signal, a signal level detector circuit for outputting a...
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6208387 |
Advertisement at TV-transmission
A device and method for generation of digital advertisement displays in real time in digital TV-transmissions. In such digital TV-transmissions, a digital coding of the image material is made...
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6201579 |
Virtual studio position sensing system
A position detecting device for an object with virtual set comprises providing the object with an emitting device and using the device in conjunction with a plain or patterned chroma-key background...
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6151009 |
Method and apparatus for merging real and synthetic images
A method for merging real and synthetic images in real time is comprised of the steps of providing a first signal containing depth and image information per pixel about a real image. A second...
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6140997 |
Color feature extracting apparatus and method therefor capable of easily transforming a RGB color space into a color space close to human sense
A color feature extracting apparatus is provided, which can easily transform a RGB color space into a color space close to the human sense and execute color classification and color region...
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6128046 |
Key signal generating apparatus and picture synthesis apparatus, and key signal generating method and picture synthesis method
In this invention, when the portion from which a key signal α is to be generated of picture is caused to be foreground F, the portion except for the above is caused to be background B, and pixel...
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6124896 |
Corner detection device and corner detection method
A corner detector capable of detecting each corner position of a predetermined area from an input signal with a simple structure. There is provided memory means (9B) for storing memorizing an input...
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6122014 |
Modified chroma keyed technique for simple shape coding for digital video
An efficient chroma key-based coding technique for digital video with an optimized switching threshold. An optimized binary keying threshold is provided for switching between a first image region...
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6069668 |
System and method for producing video effects on live-action video
A digital video effects system for producing live-action video effects in real time includes an address generator having a pair of 2-D tables for providing x-coordinate and y-coordinate offset...
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6023302 |
Blending of video images in a home communications terminal
A graphics blending feature for a terminal such as a home communication terminal (HCT) allows an overlay image to be selectively blended with a background image through the use of a chroma key...
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6020932 |
Video signal processing device and its method
Since the corner detection means (7, 9) to detect each position of the blue board area from video signal, the conversion address generation means (11) to generate the conversion address based on...
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6011595 |
Method for segmenting a digital image into a foreground region and a key color region
A method for segmenting a digital image into a foreground region and a key color region including characterizing a distribution of key color values; using the distribution of key color values to...
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5990977 |
Picture switching apparatus for executing a fade-out/fade-in processing
A picture switching apparatus for executing a fade-out/fade-in processing between adjacent video recording files includes a multiplier for multiplying a decoded video data with a multiplication...
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