| タイトル | Omniview motionless camera orientation system |
| 本文（外部サイト） | http://hdl.handle.net/2060/20080004529 |
| 著者（英） | Martin, H. Lee; Zimmermann, Steven D. |
| 著者所属（英） | Omniview, Inc. |
| 発行日 | 1999-05-04 |
| 言語 | eng |
| 内容記述 | 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. |
| NASA分類 | Instrumentation and Photography |
| 権利 | No Copyright |
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