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ThinkMind // COGNITIVE 2014, The Sixth International Conference on Advanced Cognitive Technologies and Applications // View article cognitive_2014_6_10_40077


A HMM Model Based on Perceptual Codes for On-line Handwriting Generation

Authors:
Hala Bezine
Wafa Ghanmi
Adel Alimi

Keywords: Human reading; Cursive handwriting synthesis; Hidden Markov Models; Global perceptual codes; Beta-elliptic model.

Abstract:
This paper handles the problem of synthesis of online handwriting that can be reconstructed by several methods such as those of movement or shape simulation techniques and computational methods. Indeed, this work presents a probabilistic model using the Hidden Markov Models for the classification of perceptual sequences, starting from global perceptual codes as input and ending with a class of number probabilities as output. In fact, the algorithm analyzes and learns the handwriting visual codes features. In order to recover the original handwriting shape, and to generate new ones via the generated perceptual sequences, we investigate the polynomial approximation methods such us the Bezier curves and Bspline interpolation. The performance of the proposed model is assessed using samples of scripts extracted from Mayastroun Database. In experiments, good quantitative agreement and approximation is found between human handwriting data and the generated trajectories and more reduced representation of the scripts models are designed.

Pages: 126 to 132

Copyright: Copyright (c) IARIA, 2014

Publication date: May 25, 2014

Published in: conference

ISSN: 2308-4197

ISBN: 978-1-61208-340-7

Location: Venice, Italy

Dates: from May 25, 2014 to May 29, 2014

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