Factored-NeuS: Reconstructing Surfaces, Illumination, and Materials of Possibly Glossy Objects

• URL: http://arxiv.org/abs/2305.17929v1
• Date: Mon, 29 May 2023 07:44:19 GMT
• Title: Factored-NeuS: Reconstructing Surfaces, Illumination, and Materials of Possibly Glossy Objects
• Authors: Yue Fan, Ivan Skorokhodov, Oleg Voynov, Savva Ignatyev, Evgeny Burnaev, Peter Wonka, Yiqun Wang
• Abstract summary: We develop a method that recovers the surface, materials, and illumination of a scene from its posed multi-view images. It does not require any additional data and can handle glossy objects or bright lighting.
• Score: 46.04357263321969
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We develop a method that recovers the surface, materials, and illumination of a scene from its posed multi-view images. In contrast to prior work, it does not require any additional data and can handle glossy objects or bright lighting. It is a progressive inverse rendering approach, which consists of three stages. First, we reconstruct the scene radiance and signed distance function (SDF) with our novel regularization strategy for specular reflections. Our approach considers both the diffuse and specular colors, which allows for handling complex view-dependent lighting effects for surface reconstruction. Second, we distill light visibility and indirect illumination from the learned SDF and radiance field using learnable mapping functions. Third, we design a method for estimating the ratio of incoming direct light represented via Spherical Gaussians reflected in a specular manner and then reconstruct the materials and direct illumination of the scene. Experimental results demonstrate that the proposed method outperforms the current state-of-the-art in recovering surfaces, materials, and lighting without relying on any additional data.

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