Ray-based generic digital projector calibration

Zhongwei Li; Kai Zhong; Congjun Wang

doi:10.1117/12.920367

12 January 2012 Ray-based generic digital projector calibration

Zhongwei Li, Kai Zhong, Congjun Wang

Author Affiliations +

Proceedings Volume 8350, Fourth International Conference on Machine Vision (ICMV 2011): Computer Vision and Image Analysis; Pattern Recognition and Basic Technologies; 835018 (2012) https://doi.org/10.1117/12.920367
Event: Fourth International Conference on Machine Vision (ICMV 11), 2011, Singapore, Singapore

Abstract

We present a general and effective projector calibration method using a ray-based generic model, which consists of rays projected from all pixel elements of the projector. For computing the parameters of the rays, we propose a flexible 3D coordinates calculation method for the projected calibration target. Since the ray-based generic model does not rely on any assumption, our approach is applicable to arbitrary projection system. The calibrated rays can be applied to evaluate projector's actual distortion model, reconstruct 3D points of the scene and correct geometric distortion of the projected image etc. Experiments are presented to verify the performance of the proposed technique.

Citation Download Citation

Zhongwei Li, Kai Zhong, and Congjun Wang "Ray-based generic digital projector calibration", Proc. SPIE 8350, Fourth International Conference on Machine Vision (ICMV 2011): Computer Vision and Image Analysis; Pattern Recognition and Basic Technologies, 835018 (12 January 2012); https://doi.org/10.1117/12.920367

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