In-situ 3D reconstruction of worn surface topography via optimized photometric stereo

Qinghua Wang,Shuo Wang,Bo Li,Ke Zhu,Tonghai Wu

Measurement（2022）

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摘要

•An optimized photometric stereo approach is proposed for worn surface reconstruction.•A fused CNN is designed to estimate normal vectors of non-Lambertian surfaces.•Prior knowledge is introduced to suppress image noise accumulation.

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关键词

Worn surface topography,Photometric stereo,Fused convolutional neural network,Regularized surface reconstruction

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