清华大学微电子学研究所,北京,100084
纸质出版:2002
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陈 曦, 靳东明, 李志坚. 一种多分辨率组合的模糊神经网络分类器[J]. 电子学报, 2002,30(6):928-933.
CHEN Xi, JIN Dong-ming, LI Zhi-jian. A New Kind of Fuzzy Neural Network Classifier[J]. Acta Electronica Sinica, 2002, 30(6): 928-933.
提出一种多分辨率组合的分类器(MRCC)模型和相应的学习算法
发展了Simpson的模糊最小最大神经网络(FMM)方法.它克服了原始模型的几个缺点:训练结果不依赖于训练样本出现的次序
超盒扩张不受一个固定的最大尺度限制.和原始模型的超盒相比较
新模型的超盒中引入了一个参数表示超盒对于训练样本的分类正确率
称为超盒置信度.新的学习算法假设样本在一定尺度下均匀分布
从而能够在线调整超盒置信度参数.新的学习算法采用多分辨率组合的方法
消除了原始算法中选择超盒最大尺度限制参数的困难.实验表明
MRCC模型与原始FMM模型相比
分类性能更好
学习算法的自适应能力更强
建立的模糊超盒数更少
并行处理能力更强.
A Multi-Resolution Combined Classifier (MRCC) model and its learning algorithm are proposed.The MRCC is a modification of Simpson's original Fuzzy Min-Max (FMM) Neural Network Classifier.It overcomes some undesired properties of the original model:specifically
training results do not depend heavily on pattern presentation order and hyper-box expansion is not limited by a fixed maximum size.Compared with the original model
a new parameter called the reliability of hyper-box is introduced in MRCC
which presents the correct classification rate of a single hyper-box.A locally uniform distribution hypothesis is also introduced
so that the reliability of hyper-box parameter can be adjusted on-line.In addition
the multi-resolution combination method alleviates the effort to select an optimal parameter for the maximum size of a hyper-box in the original algorithm.Experiments were made following some recent evaluation criteria known in literature
and show that compared with original model
the MRCC model has better classification performance
more adaptive learning ability and creates less hyper-boxes.
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