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7612909 |
Image processing apparatus and method, and image-capturing apparatus based on the difference between a signal detected by a sensor and the real world
An apparatus for detecting a mixed area in frames. An object extracting unit extracts a foreground object from an input image and generates an area-specified object formed of the foreground object...
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7595844 |
Method for assisting video compression in a computer system
One embodiment of the present invention provides a method that facilitates compression of video data in a computer system by performing the time-consuming task of computing the difference between...
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7397933 |
Collusion resistant desynchronization for digital video fingerprinting
Systems and methods are described that desynchronize a video to be protected, thereby creating one or more digitally fingerprinted videos. In one implementation, a video to be protected is...
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7298425 |
Method for assisting video compression in a computer system
One embodiment of the present invention provides a method that facilitates compression of video data in a computer system by performing the time-consuming task of computing the difference between...
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7200669 |
Method and system for delivering large amounts of data with interactivity in an on-demand system
A method and system for delivering data over a network to a large number of clients, which may be suitable for building large-scale Video-on-Demand (VOD) systems. In current VOD systems, the client...
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7174384 |
Method for delivering large amounts of data with interactivity in an on-demand system
A method and system for delivering data over a network to a large number of clients, which may be suitable for building large-scale Video-on-Demand (VOD) systems. In current VOD systems, the client...
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6798921 |
Method for image designating and modifying process
Images in a plurality of related images are processed such that a specific region of the image in the first frame is designated and a specific image in the specific region is modified while at the...
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6697429 |
Motion video image transmission system using frame-to-frame comparison processing
A system transmitting a motion video image is disclosed which is governed by computer programs that reduce the transmission of all frames but the first of a motion video frame sequence to the...
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6625215 |
Methods and apparatus for context-based inter/intra coding mode selection
A technique is provided for use in a video processing system for selecting between an inter-frame coding mode and an intra-frame coding mode when processing a current portion of a video sequence....
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6373960 |
Embedding watermarks into compressed video data
A for method watermarking a compressed video bitstream selects for modification numerous sites within an MPEG compressed video bitstream, each of which sites includes a DCT coefficient which is apt...
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6285791 |
Transmission method for video or moving pictures by compressing block differences
A method is disclosed for transmitting video images over a data communication network, in which method the video image is encoded at the sending end, transmitted, and decoded at the receiving end....
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6137912 |
Method of multichannel data compression
A method for compressing multiple channels of data using an MPEG-compatible motion estimation technique. The method determines the differences between frames within each channel and among the...
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5819048 |
Image data processing apparatus transmitting data in accordance with a reception rate
Image data processing apparatus transmitting data in according with a reception rate includes a receiver for receiving information data transmitted from at least one external terminal, and...
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5719628 |
Video signal coding method and apparatus
An efficient coding system for interlaced video sequences with forced refreshing capabilities. An input picture of is divided into two fields, a first and a second field. Certain lines or portions...
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5715006 |
apparatus for and method of motion compensation with boundarycorrection for moving picture
A motion compensated predicting device compensates motion by segmenting a reference image to generate an initial predicted image and estimated value correcting information. The correcting...
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5638127 |
Adaptive blocking image signal coding system
An adaptive blocking coding system selects an effective blocking of an input image signal to be encoded in accordance with the correlation between fields, even if motion is detected between the...
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5517246 |
Image processing apparatus and method, and system thereof
An image processing system determines a characteristic of a moving picture, when moving-picture information is compressed, by comparing the contents of contiguous frames comprising the moving...
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5475432 |
Hibrid video signal encoder having a block rearrangement capability for better compressibility
A hybrid coder, for performing interframe video encoding which combines the advantages of both the interfield and the interframe codings for low bit-rate video transmission; the pel elements of a...
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5396292 |
Encoding apparatus for motion video signals
A subtracter (20) supplies a prediction error signal (21), derived from a prediction signal (101) and an input motion video signal (1). A quantizer (30) quantizes the prediction error signal to...
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4999705 |
Three dimensional motion compensated video coding
A video signal encoder uses three dimensional transform coding on blocks of intensity values and then selects the most significant coefficients for further processing by separating the coefficients...
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4931879 |
Image processing system for recording or reproducing an image signal sequence which has been encoded by employing two predictive coding methods and combining the results of those methods
In an image recording system for use in recording a sequence of coded signals on a recording medium, such as a CD-ROM in response to a sequence of image signals divisible into a succession of...
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4897720 |
Circuit implementation of block matching algorithm
A circuit for implementing a full search block matching algorithm for coding video signals sequentially receives pixel values from a block of pixels in a current video frame and sequentially...
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4893184 |
Arrangement for DPCM-coding with high data rate
An arrangement for DPCM coding with high data rate. In a DPCM coder, wherein respective prediction values (s) are subtracted from digitized picture element signals (s), the difference signals that...
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4743967 |
Differential coding apparatus having an optimum predicted value determining circuit
A differential coding apparatus having a plurality of predictive function computing circuits and an optimum predicted value determining circuit. The optimum predicted value determining circuit...
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4215374 |
Encoding device comprising predictors for thinned and unthinned patterns
For selectively carrying out predictive encoding of an original pattern of a first tone on a background of a second tone and a thinned pattern having, in effect, the first tone on its background...
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