光沢のある物体の相互反射領域の三次元計測手法:—アクティブステレオにおける距離計測点の有効性判断とパターン消光による相互反射抑制—
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概要
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This paper describes an active stereo method that works with interreflection on specular surfaces. We use two cameras and a projector to take two series of images for depth maps with active stereo systems. Comparing the depth maps, we judge the validity of measured depth. For the valid depth areas, we turn off corresponding pixels of the projector and again take two series of images for depth maps that suffer from less interreflection. Iterating depth estimation and projected-pattern extinctions, we could mitigate interreflection and increase measurable areas for 3D reconstruction. Experiments show the improved results of the proposed method for specular surfaces with strong interreflections.
- 公益社団法人 精密工学会の論文