机器学习04__神经网络.pdf
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机器学习——
神经网络
智能工程研究室
计算机科学与技术学院
1
Training a Classifier
classifier Marks classifier not
Marks
classifier not classifier Marks
Marks
classifier not classifier not
Marks Marks
2
Recall from a Trained Classifier
Classifier Marks
Note: The test image does not
appear in the training data.
Learning = Memorization
3
Classifier In Feature Space,
After Training
= training data
= Marks
= not Marks
representation
concept
(truth)
= test data (Marks)
4
神经网络
5
神经元
Dendrites • 生物神经网络:
Biological Neural
Axon Network (BNN )
CellBody • 神经元: neuron
Synapse • 神经元经突触传递信
号给其他神经元(胞
体或树突)
• 1011个神经元/人脑
4
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