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Competitive Networks. Outline. Hamming Network. Hamming Network. Layer 1 (Correlation). Layer 2 (Competition). Layer 2 (Competition). Competitive Transfer Function. Competitive Layer. Competitive Learning. Graphical Representation. Example. Competition. Update. Diagram. Convergence. - PowerPoint PPT Presentation
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Competitive Networks
Outline
Hamming Network
Hamming Network
Layer 1 (Correlation)
Layer 2 (Competition)
Layer 2 (Competition)
Competitive Transfer Function
Competitive Layer
Competitive Learning
Graphical Representation
Example
Competition
Update
Diagram
Convergence
Problem with Competitive Layers
choice of learning rate
cluster are close together
dead neuron
the number of neurons
Biological neural networks
Weights assigned
on-center/off-surround
Mexican-Hat function
SOFM
Neighborhoods
Example 1
Convergence
Example 2
Training Process
Improving Feature Map
LVQ Network
LVQ Network (conti.)
LVQ Learning
Example
First Iteration
Second Layer
Figure
Final Decision Regions
LVQ2 Learning
Example
Second layer
Figure
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