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A real-time motion estimation and compensation LSI with wide-search range for MPEG2 video encoding

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13 Author(s)
K. Suguri ; NTT LSI Labs., Atsugi, Japan ; T. Minami ; H. Matsuda ; R. Kusaba
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Development of a compact video encoding system that conforms to the MPEG2 standard is important for real-time visual communication. Motion estimation (ME) to find the best motion vector (MV) representing a spacial displacement for motion compensation (MC) has impact on image quality. Previous ME LSIs for MPEG2 are not suitable for compact, low-cost video encoding systems because they use a multi-chip configuration for wide-search-range MV detection for high-quality video encoding. An ME/MC LSI (ENC-M) based on a 3-step hierachical telescopic search method (HTSM) reduces computation for ME without significant degradation of image quality. The architectural features and chip design methodologies for HTSM are described.

Published in:

Solid-State Circuits Conference, 1996. Digest of Technical Papers. 42nd ISSCC., 1996 IEEE International

Date of Conference:

10-10 Feb. 1996