US PATENT SUBCLASS 382 / 204
.~.~.~.~ Topological properties (e.g., number of holes in a pattern, connectivity, etc.)

Current as of: June, 1999
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382 /   HD   IMAGE ANALYSIS

181  DF  PATTERN RECOGNITION {8}
190  DF  .~ Feature extraction {5}
195  DF  .~.~ Local or regional features {7}
203  DF  .~.~.~ Shape and form analysis {1}
204.~.~.~.~ Topological properties (e.g., number of holes in a pattern, connectivity, etc.)

DEFINITION

Classification: 382/204

Topological properties (e.g., number of holes in a pattern*, connectivity, etc.):

(under subclass 203) Subject matter in which the features do not depend on measurements of dimensions or areas but are concerned instead with numbers or relationships of the different geometrical units (vertices, edges, faces, holes) involved.