machine learning - Gradients in deepdream -


i'm trying implement deepdream in theano. far understood need choose layer in pre-trained neural network objective , need set activation functions of layer equal gradients, backpropagate input image , apply changes. i'm new theano , can't think of how implement it, how can set layer's values equal gradients , backpropagate image? possible in couple of lines in theano? if understanding wrong, please correct me.


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