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GUIDED SPARSE FEATURE MATCHING VIA COARSELY DEFINED DENSE MATCHES
GUIDED SPARSE FEATURE MATCHING VIA COARSELY DEFINED DENSE MATCHES
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机译:通过粗定义的密实匹配进行引导的稀疏特征匹配
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摘要
An example method is described herein. The method includes executing dense feature matching on an image pair that is down sampled to obtain a first set of feature correspondences for each pixel of the down sampled image pair. The method also includes calculating a neighborhood correspondence based on the first set of feature correspondences for each pixel in a first image of the image pair. Further, the method includes executing sparse feature matching on stereoscopic patch pairs from the image pair based on the neighborhood correspondence for each pixel to obtain correspondence estimates for each stereoscopic patch pair. Finally, the method includes refining the correspondence estimates for each stereoscopic patch pair to obtain a semi-dense set of feature correspondences by applying a geometric constraint to the correspondence estimates and retaining correspondences that satisfy the geometric constraint.
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