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Issue No.02 - February (1981 vol.3)
pp: 208-210
Shmuel Peleg , Computer Vision Laboratory, Computer Science Center, University of Maryland, College Park, MD 20742.
Blum's medial axis transformation (MAT) of the set S of 1's in a binary picture can be defined by an iterative shrinking and reexpanding process which detects ``corners'' on the contours of constant distance from S¿, and thereby yields a ``skeleton'' of S. For unsegmented (gray level) pictures, one can use an analogous definition, in which local MIN and MAX operations play the roles of shrinking and expanding, to compute a ``MMMAT value'' at each point of the picture. The set of points having high values defines a good ``skeleton'' for the set of high-gray level points in the given picture.
Shmuel Peleg, "A Min-Max Medial Axis Transformation", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol.3, no. 2, pp. 208-210, February 1981, doi:10.1109/TPAMI.1981.4767082
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