Fast multi-frame motion estimation with adaptive search...

Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal

Reexamination Certificate

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C375S240120, C375S240130, C375S240140, C375S240150

Reexamination Certificate

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07609765

ABSTRACT:
A method includes examining a statistical distribution of motion vectors employed for motion compensation in a first frame of image data. The examining is to produce a distribution model of the motion vectors in the first frame. The method further includes selecting, based at least in part on the distribution model, a block-matching search pattern for use with respect to a second frame of image data. The second frame follows the first frame in a sequence of frames of image data.

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patent: WO 00/14682 (2000-03-01), None
patent: WO 00/014682 (2000-03-01), None
“PCT Notification of Transmittal of the International Search Report or the Declaration”, dated Jun. 16, 2005 for PCT/CN2004/001172. 6pgs.
Jo Yew Tham et al., “A Novel Unrestricted Center-Biased Diamond Search Algorithm for Block Motion Estimation”, Transactions Letters, IEEE Transactions on Circuits and Systems for Video Technology, vol. 8, No. 4, Aug. 1998, pp. 369-377.
Ce Zhu et al., “Hexagon-Based Search Pattern for Fast Block Motion Estimation”, IEEE Transactions on Circuits and Systems for Video Technology, vol. 12, No. 5, May 2002, pp. 349-355.
Zhibo Chen et al., “Fast Integer Pel and Fractional Pel Motion Estimation for JVT”, Joint Video Team (JVT) of ISO/IEC MPEG & ITU-T VCEG (ISO/IEC JTC1/SC29/WG11 and SG16 Q.6), 6thMeeting: Awaji, Island, JP, Dec. 5-13, 2002, 15pgs.
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