Motion vector detection device and moving picture camera

Details Motion vector detection device and moving picture camera Motion vector detection device and moving picture camera

2004-12-02

2009-12-01

Lee, Young (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

Reexamination Certificate

active

07627036

ABSTRACT:
A motion vector detection device that detects a motion vector of an object block in an object frame with reference to a reference frame, including: a reference frame storing unit that stores a reference frame consisting of a predetermined number of reference blocks; an object block storing unit that stores an object block included in an object frame; a reference block storing unit that includes a detection area which stores reference blocks including a reference block corresponding to the object block, and a preparatory area; a writing unit that reads a reference block that is not stored in the detection area among reference blocks including a reference block corresponding to a succeeding object block, and writes the read reference block into the preparatory area; and a detection unit that detects the motion vector with reference to the reference block.

REFERENCES:
patent: 5173771 (1992-12-01), Kitazato
patent: 6674798 (2004-01-01), Ishihara et al.
patent: 61-052756 (1986-03-01), None
patent: 05-014870 (1993-01-01), None
patent: 06-276510 (1994-09-01), None
patent: 07-298264 (1995-11-01), None
Japanese Office Action issued in Japanese Patent Application No. JP 2004-017674 dated on Nov. 25, 2008.

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