Fattening Free Block Matching

@article{Blanchet2011FatteningFB,
  title={Fattening Free Block Matching},
  author={Gwendoline Blanchet and Antoni Buades and Bartomeu Coll and Jean-Michel Morel and Bernard Roug{\'e}},
  journal={Journal of Mathematical Imaging and Vision},
  year={2011},
  volume={41},
  pages={109-121}
}
Block matching along epipolar lines is the core of most stereovision algorithms in geographic information systems. The usual distances between blocks are the sum of squared distances in the block (SSD) or the correlation. Minimizing these distances causes the fattening effect, by which the center of the block inherits the disparity of the more contrasted pixels in the block. This fattening error occurs everywhere in the image, and not just on strong depth discontinuities. The fattening effect… CONTINUE READING
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