Combining classifiers in error correcting output coding

Combining classifiers in error correcting output coding
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DOI:
10.1002/scj.v35:4
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发表时间:
2004-04
期刊:
Systems and Computers in Japan
影响因子:
--
通讯作者:
N. Yamaguchi;Naohiro Ishii
N. Yamaguchi;Naohiro Ishii
中科院分区:
其他
文献类型:
--
作者:
N. Yamaguchi;Naohiro Ishii

文献摘要

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作者对使用ECOC(纠错输出编码)的模式分类器进行了研究,该分类器使用纠错编码对学习模式进行编码,然后学习使每个判别函数输出编码值。在本研究中,作者重点研究了将每个判别函数的输出解码为类符号的方法,并提出了一种解码方法:WLS-ECOC(基于加权最小二乘的ECOC组合策略)。WLS-ECOC利用每个判别函数输出的线性和估计每个类别的后验概率,然后基于这些后验概率进行模式识别。©2004 Wiley期刊公司系统比较,35(4):9 - 18,2004;在线发表于Wiley InterScience()。DOI 10.1002 sscj.10549
The authors performed research on a pattern classifier using ECOC (Error Correcting Output Coding) which encodes learning patterns using error correction coding and then learns such that each discriminant function outputs the encoded values. In particular, in this research the authors focused on a method to decode the output of each discriminant function to class symbols, and then proposed a decoding method: WLS-ECOC (ECOC combination strategy based on Weighted Least Squares). WLS-ECOC estimated posterior probability for each class using the linear sum of the output of each discriminant function and then performed pattern recognition based on these posterior probabilities. © 2004 Wiley Periodicals, Inc. Syst Comp Jpn, 35(4): 9–18, 2004; Published online in Wiley InterScience (). DOI 10.1002sscj.10549