Television – Camera – system and detail – Camera image stabilization
Patent
1992-04-13
1995-08-01
Razavi, Michael T.
Television
Camera, system and detail
Camera image stabilization
348208, H04N 5228
Patent
active
054383617
ABSTRACT:
This invention is directed to an electronic gimbal system (10) which stabilizes a digital video image of a particular scene taken by a sensor which is under disturbance forces. The video image is stored as a two-dimensional array of pixel locations (12) and is applied to an address look-up calculator (14) along with a signal from an inertial sensor (16). The inertial sensor (16) determines the offset of the array of pixel locations from an inertial reference frame and adjusts the input array accordingly. In one particular implementation, the address look-up calculator (14) applies a bilinear interpolation to the pixel location in order to provide a weighted sum of pixel intensities for each offset pixel location.
REFERENCES:
patent: 4612575 (1986-09-01), Ishman et al.
patent: 4717958 (1988-01-01), Gal et al.
patent: 4837632 (1989-06-01), Kubo et al.
patent: 5012347 (1991-04-01), Fournier
patent: 5020890 (1991-06-01), Oshima et al.
patent: 5172150 (1992-12-01), Teramoto et al.
Oshima, C. M., et al. "VHS Camcorder with Electronic Image Stabilizer", IEEE Transactions on Consumer Electronics, Nov. 1989, vol. 35, No. 4, pp. 749-758. See Particularly Sections 3,4,5 and 6; pp. 750-755.
Brown Charles D.
Denson-Low Wanda K.
Heald Randall M.
Ho Twan V.
Hughes Aircraft Company
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