Leonid G. Zerkalov

Algorithms for homotopy classification of binary images

Alexander I. Bykov, Leonid G. Zerkalov, 1996, Pattern Recognit..

Index of a point of 3-D digital binary image and algorithm for computing its Euler characteristic

Alexander I. Bykov, Leonid G. Zerkalov, Mario A. Rodrı́guez Pineda, 1999, Pattern Recognit..

New connected components algorithms and invariant transformations of digital images

Alexander I. Bykov, Leonid G. Zerkalov, Francisco J. Albores Velasco, 1998, Pattern Recognit..