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Learning Efficient Photometric Feature Transform for Multi-view Stereo

27 March 2021
Kaizhang Kang
Cihui Xie
Ruisheng Zhu
Xiaohe Ma
P. Tan
Hongzhi Wu
Kun Zhou
    3DV
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Abstract

We present a novel framework to learn to convert the perpixel photometric information at each view into spatially distinctive and view-invariant low-level features, which can be plugged into existing multi-view stereo pipeline for enhanced 3D reconstruction. Both the illumination conditions during acquisition and the subsequent per-pixel feature transform can be jointly optimized in a differentiable fashion. Our framework automatically adapts to and makes efficient use of the geometric information available in different forms of input data. High-quality 3D reconstructions of a variety of challenging objects are demonstrated on the data captured with an illumination multiplexing device, as well as a point light. Our results compare favorably with state-of-the-art techniques.

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