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Reflection Separation via Multi-bounce Polarization State Tracing

Conference paper
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Part of the Lecture Notes in Computer Science book series (LNCS, volume 12358)

Abstract

Reflection removal from photographs is an important task in computational photography, but also for computer vision tasks that involve imaging through windows and similar settings. Traditionally, the problem is approached as a single reflection removal problem under very controlled scenarios. In this paper we aim to generalize the reflection removal to real-world scenarios with more complicated light interactions. To this end, we propose a simple yet efficient learning framework for supervised image reflection separation with a polarization-guided ray-tracing model and loss function design. Instead of a conventional image sensor, we use a polarization sensor that instantaneously captures four linearly polarized photos of the scene in the same image. Through a combination of a new polarization-guided image formation model and a novel supervised learning framework for the interpretation of a ray-tracing image formation model, a general method is obtained to tackle general image reflection removal problems. We demonstrate our method with extensive experiments on both real and synthetic data and demonstrate the unprecedented quality of image reconstructions.

Keywords

Reflection removal Polarization simulation engine Ray-tracing Polarization tracing 

Supplementary material

504454_1_En_46_MOESM1_ESM.pdf (31.7 mb)
Supplementary material 1 (pdf 32479 KB)

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.King Abdullah University of Science and TechnologyThuwalSaudi Arabia

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