Semi-supervised Persian font recognition

被引:12
|
作者
Imani, Maryam Bahojb [1 ]
Keyvanpour, Mohamad Reza [1 ]
Azmi, Reza [1 ]
机构
[1] Alzahra Univ, Tehran, Iran
关键词
Font Recognition; Persian; Semi-Supervised Learning; Self Training; Majority Vote;
D O I
10.1016/j.procs.2010.12.057
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Font recognition is one of the fundamental tasks in document recognition, because it is an important factor in optical character recognition. Classical supervised methods need lot of labeled data to train a classifier. Since it is very costly and time consuming to label large amounts of data, it is useful to use data sets without labels. So many different semi-supervised learning methods have been studied recently. Among the semi-supervised methods, self-training is one of the important learning algorithms that classify the unlabeled samples with small amount of labeled ones and add the most confident samples to the training set. In this paper, we apply majority vote approach to classify the unlabeled data to reliable and unreliable classes. Then, we add the reliable data to training set and classify the remaining data including unreliable data in iterative process. We test this method on the extracted features of ten common Persian fonts. Experimental result indicates that proposed method improves the classification performance and it's effective. (C) 2010 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of the Guest Editor.
引用
收藏
页数:7
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