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      cost volume 代价容量函数

      cost-volume在计算机视觉中特指计算机视觉中的立体匹配stereo matching问题中的一种左右视差搜索空间

       

      A cost volume stores the data matching costs for associating a pixel with its corresponding pixels at the next frame

      In PWC-Net, It uses the warped features and features of the first image to construct a cost volume, which is processed by a CNN to estimate the optical flow

 

 

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