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Mcneeley David Lowell, Fling Russell Thomas: Adjustable antialias filters.. Rca Licensing, August 1, 1990: EP0380351-A2 (102 worldwide citation)

A programmable sampled data subsampling system includes a programmable antialias filter which bandlimlts the information bandwidth of the signal to be subsampled in accordance with the subsampling rate. The antialias filter includes a recursive filter which scales and combines (304,306,308) input sa ...


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Chen Keping, Svensson Christer M: Digital signal processing device.. Gennum, January 2, 1992: EP0463721-A2 (90 worldwide citation)

Device (1) for digital signal processing, particularly video and image processing, comprising a linear array of processing elements (PE's) (2), an external controller interface (4), input/output ports (6), and an external memory interface (8). The input/output ports (6) allow interfacing to equipmen ...


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Andrew Derek, Morris Octavius John: Motion vector estimation, motion picture encoding and storage.. Philips Electronics, Philips, April 7, 1993: EP0535746-A2 (79 worldwide citation)

In the encoding of a frame (P3) in a digitised motion picture sequence, the frame is divided into blocks (A) of pixels and a motion vector (VA) found to predicts the contents of each block A from a block (A') in a previous frame (IO). Rather than evaluate many thousands of candidate vectors to find ...


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Purcell Stephen C, Le Gall Didier J, Bose Subroto: Structure and method for a multistandard video encoder/decoder.. C Cube Microsystems, February 15, 1995: EP0639032-A2 (57 worldwide citation)

A structure and a format for providing a video signal encoder under the MPEG standard are provided. In one embodiment, the video signal interface is provided with a decimator for providing input filtering for the incoming signals. In one embodiment, the central processing unit (CPU) and multiple cop ...


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Jones Paul W: Automated stabilization method for digital image sequences. Eastman Kodak Co, July 18, 2001: EP1117251-A1 (46 worldwide citation)

A method and structure for stabilizing a motion image formed using a sequence of successive frames which includes calculating a motion vector field between adjacent frames; forming a motion vector histogram from horizontal and vertical components of the motion vector field; applying a threshold to t ...


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Gotoh Yukie, Fujimoto Makoto, Akahori Hiroshi, Egusa Yo: A recording medium, an apparatus for recording a moving image, an apparatus and a system for generating a digest of a moving image, and a method of the same.. Matsushita Electric, May 18, 1994: EP0597450-A2 (44 worldwide citation)

A system for generating a digest of a moving image according to the present invention includes: a generating section for generating a moving image having a plurality of frames, and for generating an operation signal in response to an input received by the generating section during the generating of ...


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Lo Muzio Pierluigi: Recursive video signal processor.. Philips, Philips, August 11, 1993: EP0554586-A2 (39 worldwide citation)

To be able to cope with the high video signal data rates which occur in a high definition video signal, a recursive video signal processor for estimating motion vectors demultiplexes the incoming video signal into four adjacent quadrants which are each processed by four separate motion estimators. T ...