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|a 10.1109/TPAMI.2020.3005397
|2 doi
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|a eng
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| 100 |
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|a Chen, Guanying
|e verfasserin
|4 aut
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| 245 |
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|a Deep Photometric Stereo for Non-Lambertian Surfaces
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|c 2022
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 08.12.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a This paper addresses the problem of photometric stereo, in both calibrated and uncalibrated scenarios, for non-Lambertian surfaces based on deep learning. We first introduce a fully convolutional deep network for calibrated photometric stereo, which we call PS-FCN. Unlike traditional approaches that adopt simplified reflectance models to make the problem tractable, our method directly learns the mapping from reflectance observations to surface normal, and is able to handle surfaces with general and unknown isotropic reflectance. At test time, PS-FCN takes an arbitrary number of images and their associated light directions as input and predicts a surface normal map of the scene in a fast feed-forward pass. To deal with the uncalibrated scenario where light directions are unknown, we introduce a new convolutional network, named LCNet, to estimate light directions from input images. The estimated light directions and the input images are then fed to PS-FCN to determine the surface normals. Our method does not require a pre-defined set of light directions and can handle multiple images in an order-agnostic manner. Thorough evaluation of our approach on both synthetic and real datasets shows that it outperforms state-of-the-art methods in both calibrated and uncalibrated scenarios
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|a Journal Article
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|a Han, Kai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Boxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Matsushita, Yasuyuki
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wong, Kwan-Yee K
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 44(2022), 1 vom: 30. Jan., Seite 129-142
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|g volume:44
|g year:2022
|g number:1
|g day:30
|g month:01
|g pages:129-142
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|u http://dx.doi.org/10.1109/TPAMI.2020.3005397
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