Learning Machines: Foundations of Trainable Pattern-classifying Systems |
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We shall not consider in this book any mappings requiring an infinite number of decision surfaces or any mappings that cannot be described by such surfaces . * In general , * The mapping which takes all points having one or more ...
We shall not consider in this book any mappings requiring an infinite number of decision surfaces or any mappings that cannot be described by such surfaces . * In general , * The mapping which takes all points having one or more ...
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In each of the procedures just described , the value of c determines how far the weight point is moved . We have distinguished three cases . In one case , c is a fixed constant so that the distance moved toward a particular pattern ...
In each of the procedures just described , the value of c determines how far the weight point is moved . We have distinguished three cases . In one case , c is a fixed constant so that the distance moved toward a particular pattern ...
Sivu 100
The procedure is similar to the error - correction methods previously described , in that adjustments to the weight vectors are made only when a pattern in the training set is classified incorrectly by the machine .
The procedure is similar to the error - correction methods previously described , in that adjustments to the weight vectors are made only when a pattern in the training set is classified incorrectly by the machine .
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Sisältö
TRAINABLE PATTERN CLASSIFIERS | 1 |
PARAMETRIC TRAINING METHODS | 43 |
SOME NONPARAMETRIC TRAINING METHODS | 65 |
Tekijänoikeudet | |
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adjusted apply assume bank called cells changes Chapter classifier cluster column committee machine components consider consists contains correction corresponding covariance decision surfaces define denote density depends described discriminant functions discussed distance distributions elements equal error-correction estimates example exist expression FIGURE fixed given implemented initial layered machine linear machine linearly separable lines majority matrix mean measurements modes negative networks nonparametric normal Note optimum origin parameters partition pattern hyperplane pattern space pattern vector pattern-classifying piecewise linear plane points positive presented probability problem properties PWL machine quadric regions respect response rule selection separable sequence side solution space step subsidiary discriminant Suppose terns theorem theory threshold training methods training patterns training procedure training sequence training subsets transformation values weight vectors X1 and X2 Y₁ zero
Viitteet tähän teokseen
A Probabilistic Theory of Pattern Recognition Luc Devroye,László Györfi,Gabor Lugosi Rajoitettu esikatselu - 1997 |