Image splitting, forming and processing device and method...

Details Image splitting, forming and processing device and method... Image splitting, forming and processing device and method...

H - Electricity

04

N

H04N 7/18 (2006.01) G06T 3/40 (2006.01) G06T 5/00 (2006.01) H04N 5/262 (2006.01) G08B 13/196 (2006.01)

Patent

CA 2635901

A video surveillance system (10) has a camera equipped with a fisheye lens (20) having a substantially hemispheric field of view. The system (10) implements operations equivalent to pan, tilt, and zoom of a conventional camera. The camera produces a distorted fisheye image due to the properties of the fisheye lens (20). The system (10) corrects the distortion by mapping the pixels of the fisheye image to coordinates produced by selecting a particular part of the fisheye image to be viewed. The fisheye image formed by the camera is split into four separate image components (15, 16, 17, 18) carried by four bundles of optical fibers (35, 36, 37, 38). Each bundle has a CCD (45, 46, 47, 48) and associated image processing circuitry (65, 66, 67, 68) which forms an electronic representation of the image component carried by that bundle.

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