Electronic picture stabilizer with movable detection areas and v

Details Electronic picture stabilizer with movable detection areas and v Electronic picture stabilizer with movable detection areas and v

1995-12-15

2000-11-07

Garber, Wendy

Television

Camera, system and detail

Camera image stabilization

348155, 348699, 396 55, H04N 514, H04N 5228, H04N 718

Patent

active

061444057

ABSTRACT:
An electronic picture stabilizer includes a microcomputer which determines whether or not each of detection areas is a valid area or invalid area. If the detection areas adjacent in a vertical direction are invalid areas, the detection areas are moved so as to maximize a distance between the detection areas adjacent in the vertical direction, and if the detection areas adjacent in a horizontal direction are invalid areas, the detection areas are moved in a manner that a distance between the detection areas adjacent in the horizontal direction becomes maximum. If the number of the invalid areas is a predetermined value, the detection areas are moved at four (4) corners of an image field. By moving the detection areas, the invalid areas become valid areas. If all the detection areas continuously become the valid areas during a predetermined number of fields, the detection areas are returned to their initial positions.

REFERENCES:
patent: 4992869 (1991-02-01), Samad et al.
patent: 5138445 (1992-08-01), Ueda
patent: 5210559 (1993-05-01), Ohki
patent: 5237405 (1993-08-01), Egusa et al.
patent: 5349415 (1994-09-01), Nishida
patent: 5371539 (1994-12-01), Okino et al.
patent: 5563652 (1996-10-01), Toba et al.
8012 SMPTE Journal 101 (1992) Feb., No. 2, White Plains, NY, US titled "Electronic Image Stabilization System for Video Cameras and VCRs".
European Search Report dated Mar. 18, 1996, Reference No. g-FP-0816, Application No. 95119838.1 citing above listed references.

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