Efficient Coarse-to-Fine PatchMatch for Large Displacement Optical Flow
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CVPR 2016
本文提出了一个快速计算大位移光流的算法。
一般的算法在 tiny structures with large motions 情况下容易出现误差。
算法采用多尺度框架,不同尺度可以提取出不同的信息。
两幅图像 I1,I2,从I1里提取一系列种子点。网格提取,每个d*d区域只有一个种子点。
然后从顶层开始,建立种子点的对应关系。然后根据上层的对应关系计算下一层的对应关系。
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