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gradient computation of StyleLoss in neural_gram.lua #16

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animebing opened this issue Apr 28, 2018 · 0 comments

animebing commented Apr 28, 2018

@luanfujun, when I read the code function StyleLoss:updateGradInput in neural_gram.lua, I find maybe there is something wrong about the gradient computation, after

self.gradInput:mul(self.strength)

we should firstly do

self.gradInput:cmul(msk)

and then do

self.gradInput:add(gradOutput)

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