Fast Weighted Cost Propagation With Smoothness Constraint On A Tree
2016 IEEE International Conference on Image Processing (ICIP)(2016)
摘要
In this paper, we propose a novel fast cost propagation algorithm on spanning tree structures. By introducing local smoothness constraint during the weighted cost aggregation process on tree structures, we overcome the shortage of the "fronto-parallel plane" assumption used in most local and non-local cost aggregation algorithms. By applying it to our stereo correspondence framework, accurate results with fine disparity boundaries can be obtained. We also introduce a linear time implementation of the proposed algorithm, thus the computational complexity is kept extremely low.
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关键词
cost propagation,smoothness constraint,spanning tree structure,weighted aggregation
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