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27 September 2019 Mirror binocular calibration method based on sole principal point
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Abstract

In three-dimensional vision measurements, single-camera mirror binocular stereo vision systems composed of a camera and mirrors have become popular, owing to their high flexibility and compactness. However, the calibration of these systems is different from traditional two-camera stereo vision systems, because there is no rigid-body transformation between the actual camera and the virtual camera. A calibration method for single-camera mirror binocular vision system is proposed, which can establish the rigid-body transformation by rotating the image based on the sole principal point. The comparative experiments showed that the proposed method yielded a higher accuracy than the traditional method.

© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2019/$28.00 © 2019 SPIE
Xinghua Chai, Feng Gao, and Yan Hu "Mirror binocular calibration method based on sole principal point," Optical Engineering 58(9), 094109 (27 September 2019). https://doi.org/10.1117/1.OE.58.9.094109
Received: 15 July 2019; Accepted: 11 September 2019; Published: 27 September 2019
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