A proposed scheme for performance evaluation of graphics/text separation algorithms
Identifieur interne : 002268 ( Main/Exploration ); précédent : 002267; suivant : 002269A proposed scheme for performance evaluation of graphics/text separation algorithms
Auteurs : Liu Wenyin [Israël] ; Dov Dori [Israël]Source :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 1998.
Abstract
Abstract: We propose an objective, comprehensive, and complexity independent metric for performance evaluation of graphics/text separation (text segmentation) algorithms. The metric includes a positive set and a negative set of indices, at both the character and the character string (text) levels, _and it evaluates the detection accuracy of the location, width, height, orientation, skew, string length, and the fragmentation of both characters and strings. Assigning a Segmentation Difficulty (SD) value to the ground truth characters, the performance indices are normalized with respect to the character SD and are therefore independent of the ground truth complexity. The evaluation provides an overall, objective, and comprehensive metric of the text segmentation capability of various algorithms aimed at performing this task.
Url:
DOI: 10.1007/3-540-64381-8_63
Affiliations:
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