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240910s2024 xx |||||o 00| ||eng c |
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|a 10.1109/TVCG.2024.3450591
|2 doi
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|e rakwb
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|a eng
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| 100 |
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|a Lu, Jiawei
|e verfasserin
|4 aut
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| 245 |
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|a Relightable Detailed Human Reconstruction from Sparse Flashlight Images
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|c 2024
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|a Text
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|a Date Revised 10.09.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a We present a lightweight system for reconstructing human geometry and appearance from sparse flashlight images. Our system produces detailed geometry including garment wrinkles and surface reflectance, which are exportable for direct rendering and relighting in traditional graphics pipelines. By capturing multi-view flashlight images using a consumer camera equipped with an co-located LED (e.g., a cell phone), we obtain view-specific shading cues that aid in the determination of surface orientation and help disambiguate between shading and material. To enable the reconstruction of geometry and appearance from sparse-view flashlight images, we integrate a pre-trained model into a differentiable physics-based rendering framework. As the learned image features from synthetic data cannot accurately reflect the shading features on real images, which is crucial for the high-quality reconstruction of geometry details and appearance, we propose to jointly optimize the image feature extractor with two MLPs for SDF and BRDF prediction using the differentiable physics-based rendering. Compared with existing methods for relightable human reconstruction, our system is able to produce high-fidelity 3D human models with more accurate geometry and appearance under the same condition. Our code and data are available at http://github.com/Jarvisss/Relightable_human_recon
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|a Journal Article
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1 |
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|a Shao, Tianjia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, He
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yong-Liang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yin
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Kun
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g PP(2024) vom: 09. Sept.
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|x 1941-0506
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|g year:2024
|g day:09
|g month:09
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|u http://dx.doi.org/10.1109/TVCG.2024.3450591
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