Automatic Evaluation of Stroke Slope

Authors:
Georgi Gluhchev;Ognian Boumbarov
Affiliations:
Institute of Information Technologies, Sofia, Bulgaria 1113;Faculty of Communication Technologies, Technical University, Sofia, Bulgaria 1000
Venue:
Biometrics and Identity Management
Year:
2008

Citing 3
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A Hough based algorithm for extracting text lines in handwritten documents

ICDAR '95 Proceedings of the Third International Conference on Document Analysis and Recognition (Volume 2) - Volume 2

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Abstract

An approach for the evaluation of the average slope of thestraight line strokes in signatures and handwritten text isdescribed. It is based on the properties of the Fourier Transformwhich allow accumulating energy of pixels lying on straight linesof same slope alongside a single straight line in the frequencydomain. The slope of the latter determines straightforwardly thestroke slope since both slopes differ in π/2. The approach doesnot require image binarization.