Motion estimator with adaptive reduction of search points

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Motion estimator with adaptive reduction of search points

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© IEE
Published

A fast motion estimation algorithm of low power consumption is proposed. A motion estimator based on the proposed algorithm for H.263 and MPEG-4 video encoder of mobile multimedia applications is implemented by 0.13 µm 1.2 V six-metal CMOS technology.

Inspec keywords: low-power electronics; digital signal processing chips; mobile communication; multimedia communication; video coding; CMOS digital integrated circuits; motion estimation

Other keywords: motion estimator; MPEG-4 standard; mobile multimedia communication; CMOS low-power circuit; H.263 standard; 0.13 micron; 1.2 V; video encoder; search algorithm

Subjects: Microprocessors and microcomputers; CMOS integrated circuits; Image and video coding; Multimedia communications; Mobile radio systems

References

    1. 1)
    2. 2)
      • Stechele, W.: `Algorithmic complexity, motion estimation and a VLSI architecture for MPEG-4 core profile video codecs', Proc. Int. Symp. VLSI Technology Systems Applications, 2001, Hsinchu, Taiwan, p. 172–175.
    3. 3)
      • ‘MPEG-4 Video Verification Model version 18.0’, ISO/IEC JTC1/SC29/WG11/N3908, January 2001.
http://iet.metastore.ingenta.com/content/journals/10.1049/el_20031002
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