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A hybrid recognition system for off-line handwritten characters

机译:离线手写字符的混合识别系统

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摘要

Computer based pattern recognition is a process that involves several sub-processes, including pre-processing, feature extraction, feature selection, and classification. Feature extraction is the estimation of certain attributes of the target patterns. Selection of the right set of features is the most crucial and complex part of building a pattern recognition system. In this work we have combined multiple features extracted using seven different approaches. The novelty of this approach is to achieve better accuracy and reduced computational time for recognition of handwritten characters using Genetic Algorithm which optimizes the number of features along with a simple and adaptive Multi Layer Perceptron classifier. Experiments have been performed using standard database of CEDAR (Centre of Excellence for Document Analysis and Recognition) for English alphabet. The experimental results obtained on this database demonstrate the effectiveness of this system.
机译:基于计算机的模式识别是一个涉及几个子过程的过程,包括预处理,特征提取,特征选择和分类。特征提取是对目标模式某些属性的估计。选择正确的功能集是构建模式识别系统的最关键和最复杂的部分。在这项工作中,我们结合了使用七个不同方法提取的多个特征。这种方法的新颖之处在于,使用遗传算法(可优化特征数量以及简单且自适应的多层感知器分类器)来实现更高的准确性,并减少用于识别手写字符的计算时间。已经使用CEDAR(文档分析和识别卓越中心)的标准数据库进行了英语字母表实验。在该数据库上获得的实验结果证明了该系统的有效性。

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