G06V 30/18
Definition
Diese Klassifikationsstelle umfasst:(Für diese Definition ist die deutsche Übersetzung noch nicht abgeschlossen)
Extraction of features or characteristics of the image specifically adapted for character recognition:
- by coding the contour of the character pattern, e.g. contour-related features;
- by analysing segments intersecting the character pattern, e.g. the segments being obtained with lines, circles drawn on the pattern;
- by deriving mathematical or geometrical properties from the whole character pattern or image, e.g. centre of mass, moments of inertia, etc.
Examples
An explanatory drawing showing an example of each stroke and polygonal approximation
Example of the features that are extracted from a “U” handwritten sign based on the cumulative angle feature function.
Querverweise
Informative Querverweise
| Image analysis in general | G06T 7/00 |