Dynamic photometric stereo for flat bas-relief surfaces

Changhao Chen; Zhenlin Jia; Hao Fan; Junyu Dong

doi:10.1117/12.2624226

30 April 2022 Dynamic photometric stereo for flat bas-relief surfaces

Changhao Chen, Zhenlin Jia, Hao Fan, Junyu Dong

Proceedings Volume 12177, International Workshop on Advanced Imaging Technology (IWAIT) 2022; 121771P (2022) https://doi.org/10.1117/12.2624226
Event: International Workshop on Advanced Imaging Technology 2022 (IWAIT 2022), 2022, Hong Kong, China

Abstract

Photometric stereo recovers surface shape for well details but fails when the images are captured with relative motion between camera and object. Therefore, we propose a dynamic photometric stereo method for 3D reconstruction of flat bas-relief objects. The key contributions of our work are to build a unified world coordinate system between multiview images by structure from motion with eliminating the mismatching points caused by the shadow, and to establish the pixel-level dense match, utilizing the homography between the flat object in two views. Finally, we can use the classic photometric stereo to obtain a high-quality 3D reconstruction result. The effectiveness of our method is verified on the real datasets.

Citation Download Citation

Changhao Chen, Zhenlin Jia, Hao Fan, and Junyu Dong "Dynamic photometric stereo for flat bas-relief surfaces", Proc. SPIE 12177, International Workshop on Advanced Imaging Technology (IWAIT) 2022, 121771P (30 April 2022); https://doi.org/10.1117/12.2624226

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