Television – Camera – system and detail – Camera connected to computer
Patent
1996-07-12
1999-05-04
Burgess, Glenton B.
Television
Camera, system and detail
Camera connected to computer
348 36, 348143, 382 43, H04N 530
Patent
active
RE0362077
ABSTRACT:
A device for omnidirectional image viewing providing pan-and-tilt orientation, rotation, and magnification within a hemispherical field-of-view that utilizes no moving parts. The imaging device is based on the effect that the image from a fisheye lens, which produces a circular image of at entire hemispherical field-of-view, which can be mathematically corrected using high speed electronic circuitry. More specifically, an incoming fisheye image from any image acquisition source is captured in memory of the device, a transformation is performed for the viewing region of interest and viewing direction, and a corrected image is output as a video image signal for viewing, recording, or analysis. As a result, this device can accomplish the functions of pan, tilt, rotation, and zoom throughout a hemispherical field-of-view without the need for any mechanical mechanisms. The preferred embodiment of the image transformation device can provide corrected images at real-time rates, compatible with standard video equipment. The device can be used for any application where a conventional pan-and-tilt or orientation mechanism might be considered including inspection, monitoring, surveillance, and target acquisition.
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Martin H. Lee
Zimmermann Steven D.
Burgess Glenton B.
Omniview, Inc.
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