Movement vector detection apparatus and image processor using th

Details Movement vector detection apparatus and image processor using th Movement vector detection apparatus and image processor using th

1995-12-04

1999-05-18

Ho, Tuan

Television

Camera, system and detail

Camera image stabilization

348155, H04N5/228

Patent

active

059055278

ABSTRACT:
A movement vector detection apparatus having a binary coding section for converting an input image signal into a two-value signal, a calculation section for calculating a correlation between images by using the two-value signal output from the binary coding section, a detection section for detecting a movement vector by using correlation values calculated by the calculation section, an evaluation section for evaluating a plurality of movement vectors detected by the detection section on the basis of correlation values calculated by the calculation section, and a determination section for determining a particular movement vector from the plurality of movement vectors evaluated by the evaluation section. Also, an image processor having an input section for inputting an image signal, a memory section for storing the image signal, a separation section for separating a luminance signal from the image signal, a binary coding section for converting the luminance signal separated by the separation section into a two-value signal, an image shake detection section for detecting a shake of the input image signal by using the two-value signal output from the binary coding section, and a read section for reading an image from the memory section according to an output from the image shake detection section.

REFERENCES:
patent: 5019901 (1991-05-01), Uomori et al.
patent: 5025495 (1991-06-01), Avis
patent: 5189513 (1993-02-01), Sekine et al.
patent: 5585843 (1996-12-01), Ishizuka et al.
An Adaptive Motion Decision System for Digital Image Stabilizer Based on Edge Pattern Matching-Park et al., IEEE Transaction on Consumer Electronics, vol. 38, No. 3-Aug. 1992. (Manuscript Received Jun. 5, 1992).
Automatic Image Stabalizing System by Full-Digital Signal Processing Uomori et al.-IEEE Trans. on Consumer Elect., vol. 36, No. 3-Aug. 1990.

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