Image signal processing apparatus and recording/reproducing appa

Details Image signal processing apparatus and recording/reproducing appa Image signal processing apparatus and recording/reproducing appa

1996-08-16

1998-11-10

Chin, Tommy P.

Television

Camera, system and detail

Solid-state image sensor

348699, H04N 5228

Patent

active

058351388

ABSTRACT:
An interframe difference Pij and a motion vector Vhv are supplied to a camera shake detecting circuit from a motion vector detecting circuit. A camera shake detecting circuit integrates the interframe difference and forms an evaluation value .SIGMA.Phv. When all blocks of one picture plane satisfy (Vhv<TH1 and .SIGMA.Phv>TH2) for TH1 and TH2, the camera shake detecting circuit detects a camera shake. The motion vector of each block is divided into macroblocks and converted into a motion vector of each macroblock. A camera shake motion vector of the whole picture plane is formed from the motion vector of each macroblock. A correction signal is formed from the detected camera shake motion vector. A camera shake correcting process is executed by the correction signal.

REFERENCES:
patent: 5184216 (1993-02-01), Kobayashi
patent: 5259040 (1993-11-01), Hanna
patent: 5497191 (1996-03-01), Yoo et al.
patent: 5614945 (1997-03-01), Sekine et al.
patent: 5727115 (1998-03-01), Wada

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