Communication Dans Un Congrès Année : 2025

Self-calibrated Near-light Photometric Stereo using a Geometric Proxy

Résumé

We introduce a 3D reconstruction technique based on nearlight photometric stereo, where lighting calibration is achieved on-the fly from a rough geometric knowledge obtained, e.g., by structure-from-motion. From this coarse geometry, the proposed graduated optimisation setup estimates all light source parameters (position, intensity, orientation, and anisotropy factor of each source), which can then be used within a calibrated photometric stereo algorithm. A series of real-world experiments is conducted, which validates the interest of the proposed approach.

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hal-05004867 , version 1 (25-03-2025)

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Benjamin Coupry, François Lauze, Antoine Laurent, Jean Mélou, Yvain Quéau, et al.. Self-calibrated Near-light Photometric Stereo using a Geometric Proxy. 10th International Conference on Scale Space and Variational Methods in Computer Vision, May 2025, Totnes, United Kingdom. pp.364-376, ⟨10.1007/978-3-031-92369-2_28⟩. ⟨hal-05004867⟩
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