theano/lasagne中的卷积

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Conv2DLayer(l_in, num_filters = 64, filter_size = (9, 9),stride = 1, pad = 'same',nonlinearity = lasagne.nonlinearities.rectify,W = lasagne.init.GlorotNormal('relu'))

pad为填充方式,共3种,

  • same:卷积后的输出大小与输入相同
  • full:卷积后的输出大小略大于输入
  • valid:卷积后的输出大小略小与输入