Self-supervised Outdoor Scene Relighting

• URL: http://arxiv.org/abs/2107.03106v1
• Date: Wed, 7 Jul 2021 09:46:19 GMT
• Title: Self-supervised Outdoor Scene Relighting
• Authors: Ye Yu, Abhimitra Meka, Mohamed Elgharib, Hans-Peter Seidel, Christian Theobalt, William A. P. Smith
• Abstract summary: We propose a self-supervised approach for relighting. Our approach is trained only on corpora of images collected from the internet without any user-supervision. Results show the ability of our technique to produce photo-realistic and physically plausible results, that generalizes to unseen scenes.
• Score: 92.20785788740407
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Outdoor scene relighting is a challenging problem that requires good understanding of the scene geometry, illumination and albedo. Current techniques are completely supervised, requiring high quality synthetic renderings to train a solution. Such renderings are synthesized using priors learned from limited data. In contrast, we propose a self-supervised approach for relighting. Our approach is trained only on corpora of images collected from the internet without any user-supervision. This virtually endless source of training data allows training a general relighting solution. Our approach first decomposes an image into its albedo, geometry and illumination. A novel relighting is then produced by modifying the illumination parameters. Our solution capture shadow using a dedicated shadow prediction map, and does not rely on accurate geometry estimation. We evaluate our technique subjectively and objectively using a new dataset with ground-truth relighting. Results show the ability of our technique to produce photo-realistic and physically plausible results, that generalizes to unseen scenes.

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