A Comparative Study of Persian/Arabic Handwritten Character Recognition

被引:6
|
作者
Alaei, Alireza [1 ]
Pal, Umapada [2 ]
Nagabhushan, P. [1 ]
机构
[1] Univ Mysore, Dept Studies Comp Sci, Mysore 570006, Karnataka, India
[2] Indian Stat Inst, Comp Vision & Pattern Recognit Unit, Kolkata 108, India
关键词
Persian/Arabic Character Recognition; Handwriting Recognition; Under-sampled bitmaps; Chain Code; Gradient Features; Shadow Features;
D O I
10.1109/ICFHR.2012.152
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
In recent years, many techniques for the recognition of Persian/Arabic handwritten documents have been proposed by researchers. To test the promises of different features extraction and classification methods and to provide a new benchmark for future research, in this paper a comparative study of Persian/Arabic handwritten character recognition using different feature sets and classifiers is presented. Feature sets used in this study are computed based on gradient, directional chain code, shadow, under-sampled bitmap, intersection/junction/endpoint, and line-fitting information. Support Vector Machines (SVMs), Nearest Neighbour (NN), k-Nearest Neighbour (k-NN) are used as different classifiers. We evaluated the proposed systems on a standard dataset of Persian handwritten characters. Using 36682 samples for training, we tested the proposed recognition systems on other 15338 samples and their detailed results are reported. The best correct recognition of 96.91% is obtained in this comparative study.
引用
收藏
页码:123 / 128
页数:6
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