Television – Camera – system and detail – Camera image stabilization
Patent
1992-11-20
1995-09-12
Britton, Howard W.
Television
Camera, system and detail
Camera image stabilization
348699, H04N 5232
Patent
active
054501261
ABSTRACT:
An image blur correcting apparatus includes a lens-barrel part having a lens and an imaging device, an image signal processing device for forming a video signal from an electrical signal obtained at the imaging device, a supporting body for supporting the lens-barrel part in a freely pivoting manner around a rotation axis crossing a beam axis incident to the lens-barrel part at approximately right angles, and an actuator device attached between the lens-barrel part and the supporting body for rotating the lens-barrel part. The apparatus further includes a relative angle detecting device for detecting a relative angle between the lens-barrel part and the supporting body and a device for detecting a moving vector indicating an amount of blur of the image from correlation between two frames of image information from the image signal processing means, which are continuous in view of time. Finally, the device includes an angular velocity accumulating device for calculating rotating angular velocity using a zoom multiplying factor or the like from the detected result of the moving vector.
REFERENCES:
patent: 3561870 (1971-02-01), Redpath
patent: 4612575 (1986-09-01), Ishman
patent: 4713697 (1986-04-01), Gotou et al.
patent: 4774589 (1986-03-01), Rowland
patent: 4858128 (1989-08-01), Nowak
patent: 4959725 (1990-09-01), Mandle
Japanese Laid-Open Patent Publication No. 63-166369, to Yoshihide Kawamura; entitled "Moving Vector Detecting Circuit", dated Jul. 9, 1988.
ITEJ Technical Report, vol. 11, No. 3, entitled "The Electronic Picture Stabilizer", dated May 1987; pp. 43-48.
Britton Howard W.
Mitsubishi Denki & Kabushiki Kaisha
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