Range estimation by optical differentiation.
Range estimation by optical differentiation.
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DOI：
10.1364/josaa.15.001777
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发表时间：
1998
期刊：
影响因子：
--
通讯作者：
H. Farid;Eero P. Simoncelli
中科院分区：
文献类型：
--
作者：
H. Farid;Eero P. Simoncelli
我们描述了一种新的配方的范围恢复问题的基础上计算的差分变化的图像强度相对于相机位置的变化。该方法使用一个固定的摄像机和一对校准的光学掩模来直接测量该微分量。我们还描述了一种基于孔径大小变化的变体。距离图像的后续计算涉及简单的算术运算，并且适合于实时实现。我们提出了这种技术的理论，并显示从原型相机，我们已经构建的结果。
We describe a novel formulation of the range recovery problem based on computation of the differential variation in image intensities with respect to changes in camera position. This method uses a single stationary camera and a pair of calibrated optical masks to measure this differential quantity directly. We also describe a variant based on changes in aperture size. The subsequent computation of the range image involves simple arithmetic operations and is suitable for real-time implementation. We present the theory of this technique and show results from a prototype camera that we have constructed.