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Add PReLULayer #1880

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Add PReLULayer #1880

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tnarihi
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@tnarihi tnarihi commented Feb 16, 2015

I implemented parameterized ReLU unit, which is described in http://arxiv.org/abs/1502.01852 . In my caffe fork, I tried RReLU for CIFAR10 quick examples and the performance was improved about 3%. I am happy If it is worth merging. I don't care even if it is not because I implemented it just for my purpose.

described in Kaiming He et al, "Delving Deep into Rectifiers: Surpassing
Human-Level Performance on ImageNet Classification", arxiv 2015.

Conflicts:
	src/caffe/proto/caffe.proto
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pannous commented Feb 16, 2015

Doesn't relu_layer already have negative_slope, which could be the same as the 'a' parameter in the paper?
** https://github.com/BVLC/caffe/blob/dev/src/caffe/layers/relu_layer.cpp

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tnarihi commented Feb 16, 2015

@pannous The differences between them are that

  1. slopes can be learned.
  2. slopes can vary across channels.

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pannous commented Feb 16, 2015

I see, thanks. Nice PR

This was referenced Feb 16, 2015
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tnarihi commented Feb 19, 2015

Modified to allow in-place computation.

@tnarihi tnarihi mentioned this pull request Feb 22, 2015
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tnarihi commented Feb 22, 2015

Replaced by #1940

@tnarihi tnarihi closed this Feb 22, 2015
@tnarihi tnarihi deleted the prelu branch March 12, 2015 22:21
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3 participants