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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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7154558 |
Display control apparatus and method, and recording medium and program therefor
A display control apparatus includes a display controller for receiving image signals corresponding to a plurality of images, to perform image processing on the image signals, and to synthesize...
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7119849 |
Multi-screen synthesis apparatus, method of controlling the apparatus, and program for controlling the apparatus
There is provided a multi-screen synthesis apparatus that can execute display of video data and update of an OSD image without causing a user to feel a visual sense of incongruity, and reduce...
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6654034 |
Information presentation system for a graphical user interface
A system and method for GUI on multiple monitors that are located in the same user work space. This invention involves a computer using an external source that is able to keep track of what...
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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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6512793 |
Data processing apparatus and method
In decoding code data encoded in object units, decoders corresponding to the number of objects are needed. However, it is impossible to always provide a sufficient number of decoder. Accordingly,...
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6476874 |
Apparatus and method for combining background images with main images
It is intended to enable main image data from a video camera and background image data recorded on a recording medium to be chromakey-combined with each other naturally at a low cost. When a video...
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6452643 |
Linking keyers to background source selections
Linking keyers to background source selections is achieved by defining a key link association table between background sources and keyers for an M/E of a production switcher. Key Add and Key Drop...
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6449019 |
Real-time key frame effects using tracking information
Real time effects are provided by using tracking information to define values for parameters of an effect. The tracking information also may be combined with parameters for various effects that...
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6421095 |
Key priority for a mix/effect bank having multiple keyers
A mix/effect bank has its capability doubled by increasing the number of keyers input from two to four. The outputs from the keyers are routed through a crosspoint matrix for form a current and a...
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6310658 |
Video signal mixing apparatus and method thereof
A video signal mixing apparatus and a method thereof, which is capable of minimizing timing jitter caused when onsynchronized video signals are digitally mixed. A signal subtractor subtracts a...
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6281941 |
Mix-effect bank with multiple programmable outputs
A mix-effect bank architecture for a production video switcher has multiple programmable outputs, the outputs being determined by a selected operational mode including split, programmable clean...
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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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6252632 |
System for enhancing a video presentation
A system for enhancing the television presentation of an object that can highlight the object without obscuring the image of the object. The system receives a first video image, matches a second...
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6175381 |
Image processing method and image processing apparatus
In an image processing method and an image processing apparatus in which information on the distance to a subject is successively allocated to each pixel of a processing target picture to generate...
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6144391 |
Electronic video processing system
The system comprises a store 11 having several disc drives for storing multiple video frames in random access order. The store 11 also has at least two ports 15, 16 each capable of transferring...
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6130725 |
Switching reference generation using a scanning sync separator
An architecture for switching reference generation uses a scanning sync separator to sample each output from the matrix outputs in turn to determine the format of each output. A controller selects...
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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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6078362 |
Device for combining video signals which represent images having a different perception depth
Device for combining p video signals which represent images having a different perception depth, comprising p sources which each generate a video signal in the form of a series of pixels, each...
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5825433 |
Video mixing apparatus
A video mixing apparatus for mixing a first video signal and a second video signal in accordance with a first key signal and a second key signal. The video mixing apparatus includes a key signal...
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5822015 |
Providing an accurate tally indication of sources in use for output
In the processing of digital video signals there is provided in association with each signal an accompanying tally signal which provides an instantaneous identification of one or more signal...
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5739868 |
Apparatus for processing mixed YUV and color palettized video signals
Apparatus processes mixed YUV and color palettized video signals for display on an interlaced NTSC or PAL television receiver by storing first and second fields of one or more sprites in a graphic...
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5737011 |
Infinitely expandable real-time video conferencing system
A video conferencing system and method that uses a central multimedia bridge to combine multimedia signals from a plurality of conference participants into a single composite signal for each...
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5689309 |
Control circuit for mixing two video signals
A mixer control circuit generates content control signals which are used by a mixer circuit to control the content of an output signal. The output signal will include either an analog signal, a...
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5675395 |
Remote receiver that coordinates command signals from differing sources including radio frequency and infrared sources
A remote receiver is disclosed that accepts command signals from infrared transmitters and radio frequency transmitters and that combined the command signals into a final non overlapping command...
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5675392 |
Mixer with common-mode noise rejection
A mixer circuit with common-mode noise rejection combines input signals into a single output signal in a predetermined ratio and reduces the effect of noise within the single output signal. The...
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5657096 |
Real time video conferencing system and method with multilayer keying of multiple video images
A video conferencing system and method that uses a central multimedia bridge to combine multimedia signals from a plurality of conference participants into a single composite signal for each...
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5532836 |
Apparatus for gradually switching video presentation of stored pictures
An apparatus for reading picture data stored on a record carrier for first and second pictures, and providing an output video signal which changes smoothly from the first to the second picture. The...
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5432528 |
Video combiner
A video signal combiner includes circuitry for generating a gleam key signal for keying a video image which has been spatially transformed, a plurality of multiplier circuits for simultaneously...
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5426467 |
Video special effect processor
In a video special effect processor for performing video special effect processing on a digital video signal, a digital video signal is transmitted as serial digital data in a predetermined format,...
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5408272 |
Method of producing a composited video image based on depth
A method of producing a composited video image based on depth uses a serial combiner to which a plurality of video input signals, representing video images, and priority signals are input. The...
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5400080 |
Apparatus and methods for combining video signals representing images having different depths
At least three video signals including at least one video signal which is given special effects are combined into a single video signal. Each of the three video signals contains a key signal and...
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5353068 |
Video signal combining apparatus and method
A video signal combining apparatus for combining at least three video signals (V A , V B , V C ) including a key signal (K A , K B , K C ) and depth signal (Z A , Z B , Z C ) includes at least two...
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5331348 |
Adaptive leak HDTV encoder
An improved predictive encoder where the leak signal is a function of the buffer fullness of the encoder. More specifically, the signals stored in the encoder output buffer are further encoded...
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5231499 |
Keyed, true-transparency image information combine
A keyed, true-transparency combine and keyer receive a plurality of image information signals V i , each having a corresponding input key signal Bk i , over a respective channel. The image signals...
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5227863 |
Programmable digital video processing system
Programmable apparatus for digital processing of video signals from multiple sources converted to digital format to provide real-time multiple simultaneous special video effects and suitable for...
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5214512 |
Keyed, true-transparency image information combine
A keyed, true-transparency combine and keyer receive prioritized image information signals and their corresponding input key signals. On the one hand, others have changed the order of the channels...
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5027213 |
Video signal mixer system
In a video mixer each input video signal is modified by only a single multiplier before its contribution is added to the contributions of other input video signals to produce the output video...
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5016105 |
Special effects mixer for video signals with automatic amplitude control of signals relating to lower priority planes
In a mixer in which several video signal inputs are multiplied by respective mixing factor signals and the multiplier outputs are added together to produce an output video signal, one of the video...
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4947257 |
Raster assembly processor
A system for combining a plurality of video signals and various forms of still imagery such as text or graphics into a single high resolution display is disclosed. The invention system utilizes a...
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4947254 |
Layered mix effects switcher architecture
A mix effects based switcher architecture provides for processing of video signals with associated key signals throughout, the mix effects (M/E) banks within the switcher outputting both a...
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4875097 |
Perspective processing of a video signal
A video signal representing a scene is processed by combining it with a second signal having a value which depends on the depth of the scene as a function of position.
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4853784 |
Video switcher with independent processing of selected video signals
A video switcher comprises a source selector having a plurality of input terminals for connection to a plurality of video sources respectively, and at least two output terminals. At least two...
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4851912 |
Apparatus for combining video signals
A first shaped video signal V 1 K 1 and a second shaped video signal V 2 V 2 , are combined so as to generate a third shaped video signal V 3 ' given by V 3 '=V 1 K 1 [1-K 2 (1-P 12 )]+V...
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4758892 |
System for producing a video combine from multiple video images
Video channel combines are produced by digitally processing binary numbers representing values of video image information in multiple channels, for corresponding points in a display of the...
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4689677 |
Video signal processing circuits
A video signal processing circuit receiving an input sample data relating to sample positions in a video field and in association with the sample data for each sample position associated z data...
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4684990 |
Method and apparatus for combining multiple video images in three dimensions
A plurality of input video signals (including background) are combined in accordance with priority. Each video signal comprises data samples corresponding to respective discrete locations on 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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4360831 |
Multiple image digital processing system
A multiple picture image manipulation system for receiving video information related to a plurality of pictures. A designation control designates the output priority order of the respective...
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4266242 |
Television special effects arrangement
A television special effects system is provided wherein digitized picture elements of any one of a plurality of video input signals are assigned addresses corresponding to the desired location of...
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