Motion Compensated Coder For Videoconferencing

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 19 Dec 1985Publisher:SPIEJournal:SPIE Proceedings, volume 575, page 71 (issn: 0277-786X,

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Authors: Ram Srinivasan; Kamisetty Ramamohan Rao;

doi: 10.1117/12.966489 , 10.1109/tcom.1987.1096766

Motion Compensated Coder For Videoconferencing

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Abstract

A codec for videoconferencing purposes [8-12,31] is proposed based on the one-at-a-time search (OTS) motion compensation algorithm [1,30-31]. The coder is implemented in an interframe hybrid mode using the C-matrix transfsorm (CMT) [13-15]. The motion estimation algorithm employed is simple and reduces temporal redundancy while the CMT reduces spatial redundancy in the transmitted prediction errors. The operation of the codec is presented. Simulation results based on three different scenes with varying levels of motion are presented. The coder operates in a feedback mode.

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