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Sparse Views, Near Light: A Practical Paradigm for Uncalibrated Point-light Photometric Stereo
April 2, 2024, 7:46 p.m. | Mohammed Brahimi, Bjoern Haefner, Zhenzhang Ye, Bastian Goldluecke, Daniel Cremers
cs.CV updates on arXiv.org arxiv.org
Abstract: Neural approaches have shown a significant progress on camera-based reconstruction. But they require either a fairly dense sampling of the viewing sphere, or pre-training on an existing dataset, thereby limiting their generalizability. In contrast, photometric stereo (PS) approaches have shown great potential for achieving high-quality reconstruction under sparse viewpoints. Yet, they are impractical because they typically require tedious laboratory conditions, are restricted to dark rooms, and often multi-staged, making them subject to accumulated errors. To …
abstract arxiv contrast cs.cv dataset light near paradigm practical pre-training progress sampling sphere training type
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