Motion vector detecting apparatus

Details Motion vector detecting apparatus Motion vector detecting apparatus

2011-05-31

2011-05-31

Harold, Marsha D Banks (Department: 2482)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C348S699000

Reexamination Certificate

active

07953151

ABSTRACT:
A first block size motion searching device (4) detects a motion vector with respect to each of blocks by a unit of variable blocks in the smallest first block size. A feature value extracting device (6) detects a feature value between the adjacent blocks. A motion search determining device (7) determines by utilizing the feature value whether or not the motion search should be executed in the second to nth block sizes. A search center generating device (8), a search area generating device (9) and a selected block size motion searching device (10) selects the second to nth block sizes and detects the motion vector. A block size determining device (11) determines the block size having a high efficiency.

REFERENCES:
patent: 6594314 (2003-07-01), Ando
patent: 7212573 (2007-05-01), Winger
patent: 2003/0053544 (2003-03-01), Yasunari et al.
patent: 2005/0013366 (2005-01-01), Gallant et al.
patent: 2005/0078751 (2005-04-01), Ghanbari et al.
patent: 2003-111082 (2003-04-01), None

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