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《Journal of Optoelectronics.laser》 2001-12
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A Hybrid Algorithm of Vision Learning and Neural Networks for Recognition of Handwritten Digits

SHENG Ji de, CHANG Sheng jiang, CHEN Shu, ZHANG Yan xin (Institute of Modern Optics,Nankai University,Key Laboratory of Opto electronic Information Technical Science,EMC,Tianjin 300071,China)  
A learning algortithm for invariance extraction and recognition of unconstrained handwritten digits is proposed in the article.Furthermore,a novel periodic packet activation funnction is suggested to replace the traditional sigmoid activation function to reduce the sensitivity of the extracted features to samples with large variance and to improve the learning speed.Computer simulations show that the proposed algorithm and activation function are effective on extracting features and improving the learning speed and recognition rate.
【Fund】: 国家自然科学基金资助项目 (698770 0 5 )
【CateGory Index】: TP391.4;TP183
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【References】
Chinese Journal Full-text Database 2 Hits
1 Zhang Jie~1,Kou Xueqin~2, Feng Junhong~1(1. College of management,Xi′an Univ. of Arch. & Tech.,Xi′an710055,China; 2. College of Machanical & Electronic Engineering, Xi′an Univ. of Arch. & Tech.,Xi′an,710055,China);Handwritten Digit Recognition Based on Wavelet Transform and ART Neural Networks[J];Computer Automated Measurement & Control;2004-11
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【Co-references】
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1 Dong Lin Chen Xixian Tang Yuanyan Wu Shanpei (Department of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100088);A New Method for Handwriting Digital Recognition[J];JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS;1997-01
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4 ;A Calculating Method of Motor Output Power[J];Compressor Blower & Fan Technology;2001-06
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【Secondary References】
Chinese Journal Full-text Database 4 Hits
1 TIAN Zheng-jie,LIANG Ming(Surveying and Mapping Institute of Science and Technology,Xi'an Univ.of Science and Technology,Xi'an 710054,China);A study of GA-BP method used in feature-level RS image fusion[J];Engineering of Surveying and Mapping;2008-06
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