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Automatic Calibration of an Airborne Imaging System to an Inertial Navigation Unit
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External Online Source: http://www.techbriefs.com/component/content/article/16624
Author and Affiliation:
Ansar, Adnan I.(California Inst. of Tech., Pasadena, CA, United States);
Clouse, Daniel S.(California Inst. of Tech., Pasadena, CA, United States);
McHenry, Michael C.(California Inst. of Tech., Pasadena, CA, United States);
Zarzhitsky, Dimitri V.(California Inst. of Tech., Pasadena, CA, United States);
Pagdett, Curtis W.(California Inst. of Tech., Pasadena, CA, United States)
Abstract: This software automatically calibrates a camera or an imaging array to an inertial navigation system (INS) that is rigidly mounted to the array or imager. In effect, it recovers the coordinate frame transformation between the reference frame of the imager and the reference frame of the INS. This innovation can automatically derive the camera-to-INS alignment using image data only. The assumption is that the camera fixates on an area while the aircraft flies on orbit. The system then, fully automatically, solves for the camera orientation in the INS frame. No manual intervention or ground tie point data is required.
Publication Date: Jun 01, 2013
Document ID:
20130013808
(Acquired Jul 09, 2013)
Subject Category: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
Report/Patent Number: NPO-48755
Document Type: NASA Tech Brief
Publication Information: NASA Tech Briefs, June 2013; 25; (SEE 20130013804)
Financial Sponsor: Jet Propulsion Lab., California Inst. of Tech.; Pasadena, CA, United States
Organization Source: California Inst. of Tech.; Pasadena, CA, United States
Description: 1p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright; Distribution as joint owner in the copyright
NASA Terms: CALIBRATING; CAMERAS; COMPUTER PROGRAMMING; DATA ACQUISITION; GROUND TESTS; IMAGERY; INERTIAL NAVIGATION
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