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Compton Matthew, Gillard Clive Henry: Video synchronization. Sony United Kingdom, October 28, 2004: JP2004-304809 (10 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method of frame synchronization of video streams at a destination at which the streams are processed, the destinations being linked to sources of the video streams by an asynchronous packet switching network.SOLUTION: The method relates to a synchronization method ...


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Compton Matthew, Olday Stephen: Frequency synchronisation of clocks. Sony, August 27, 2003: EP1339182-A2 (9 worldwide citation)

The frequency of a local clock (30) of a local data processor 4 is synchronised to the frequency of a reference clock (10) of a source data processor (2). Both processors (2 and 4) are coupled to a coupled to an asynchronous switched network (6). The method of synchronising comprises sending, to the ...


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Compton Matthew, Chen Jian Rong, Wilson Daniel: Video processing. Sony, November 17, 2004: EP1478187-A2 (6 worldwide citation)

A network interface device connectable to a network, the device being arranged to receive a digital video data stream of a first resolution and, substantially in real time, to launch data packets representing the digital video data stream onto the network, comprises: a video generator to produce fro ...


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Keating Stephen Mark, Compton Matthew Patrick, Forde Stephen John, Gillard Clive, David Morgan William Amos: Image processor and method of image processing. Sony, October 3, 2001: GB2360895-A (3 worldwide citation)

An image processor for detecting chromatic error in a colour image represented by a video signal, the video signal having at least first and second colour components, the detector comprising an image analysis processor arranged in operation to receive the video signal, to detect a part of the image ...


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Singh Kismat, White Philip Graham, Compton Matthew Patrick: Method of selecting quantizer values in video compression systems. Tandberg Television Asa, June 25, 2008: GB2444991-A (2 worldwide citation)

A method of obtaining a quantization value for macro blocks of a picture for video compression includes estimating (11), for a plurality of quantization values, a size of the picture in terms of a sum of all quantized coded coefficients. A linear relationship between a size of a macro block and acti ...


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Compton Matthew Patrick, Keating Stephen Mark: Video motion detection. Sony, May 3, 2000: GB2343318-A (2 worldwide citation)

A video motion detector comprises: a difference detector 401 for detecting an image difference between a test area of a current image of a video signal and a corresponding area of another image of the video signal; a detail detector 402, 403 for detecting an amount of a high spatial frequency compon ...


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Gillard Clive Henry, Compton Matthew, Wilson Daniel, Chen Jian Rong: Video network. Sony United Kingdom, Gillard Clive Henry, Compton Matthew, Wilson Daniel, Chen Jian Rong, TURNER James Arthur, July 29, 2004: WO/2004/064277 (2 worldwide citation)

A video network comprises: a plurality of video sources to launch onto the network first, higher resolution, video data and second, lower resolution, video data providing a lower resolution representation of the higher resolution video data; at least one destination device operable to process video ...


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Compton Matthew, Olday Stephen: Frequency synchronisation of clocks. Sony, August 27, 2003: GB2385684-A (1 worldwide citation)

The frequency of a local clock (30) of a local data processor (4) is synchronised to the frequency of a reference clock (10) of a source data processor (2). Both processors are coupled to an asynchronous switched network (6). The method of synchronising comprises sending, to the local data processor ...


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Keating Stephen Mark, Compton Matthew Patrick, Forde Stephen John: Image processing apparatus and method of processing images. Sony, October 3, 2001: GB2360896-A (1 worldwide citation)

An image processing apparatus is arranged in operation to receive a colour image signal representative of a colour image. The colour image signal comprises first data representative of a first colour component of the image having light of at least one first wavelength, and second data representative ...