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Dynamic shape capture using multi-view photometric stereo

机译:使用多视图光度立体声的动态形状捕获

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We describe a system for high-resolution capture of moving 3D geometry, beginning with dynamic normal maps from multiple views. The normal maps are captured using active shape-from-shading (photometric stereo), with a large lighting dome providing a series of novel spherical lighting configurations. To compensate for low-frequency deformation, we perform multi-view matching and thin-plate spline deformation on the initial surfaces obtained by integrating the normal maps. Next, the corrected meshes are merged into a single mesh using a volumetric method. The final output is a set of meshes, which were impossible to produce with previous methods. The meshes exhibit details on the order of a few millimeters, and represent the performance over human-size working volumes at a temporal resolution of 60Hz.
机译:我们描述了一种用于移动3D几何的高分辨率捕获系统,从多个视图开始动态普通贴图。使用主动形状从阴影(光度立体声)捕获正常贴图,具有大的照明圆顶,提供一系列新颖的球形照明配置。为了补偿低频变形,我们在通过集成法线贴图获得的初始表面上执行多视图匹配和薄板样条变形。接下来,使用体积方法将校正的网格合并为单个网格。最终输出是一组网格,这是不可能通过以前的方法产生的。网格展示了几毫米的细节,并以60Hz的时间分辨率代表了对人类规模工作量的性能。

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