Associative Learning
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Associative Learning
description
Associative Learning. Outline. Simple Associative Network Unsupervised Hebb Rule Simple Recognition Network Instar Rule Simple Recall Network Outstar Rule. Simple Associative Network. Banana Associator. Unsupervised Hebb Rule. Banana Recognition Example. Example. - PowerPoint PPT Presentation
Transcript of Associative Learning
Associative Learning
Outline
Simple Associative Network Unsupervised Hebb Rule Simple Recognition Network Instar Rule Simple Recall Network Outstar Rule
Simple Associative Network
Banana Associator
Unsupervised Hebb Rule
Banana Recognition Example
Example
Problems with Hebb Rule
Weights can become arbitrarily large
There is no mechanism for weights to decrease
Hebb Rule with Decay
Example: Banana Associator
Example
Problem of Hebb with Decay
Instar (Recognition Network)
Instar Operation
Vector Recognition
Instar Rule
Graphical Representation
Example
Training
Further Training
Kohonen Rule
Outstar (Recall Network)
Outstar Operation
Outstar Rule
Example - Pineapple Recall
Definitions
Iteration 1
Convergence