Created
January 28, 2015 13:30
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Copying weights using layer type on Nolearn NeuralNet
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def load_weights_from_by_layers(self, source): | |
self._output_layer = self.initialize_layers() | |
if isinstance(source, str): | |
source = np.load(source) | |
sourcelayers = {'Conv2DLayer':[],'DenseLayer':[]} | |
for l in source.get_all_layers(): | |
if 'Conv2DLayer' in str(type(l)): | |
sourcelayers['Conv2DLayer'].append(l) | |
if 'DenseLayer' in str(type(l)): | |
sourcelayers['DenseLayer'].append(l) | |
selflayers = {'Conv2DLayer':[],'DenseLayer':[]} | |
for l in self.get_all_layers(): | |
if 'Conv2DLayer' in str(type(l)): | |
selflayers['Conv2DLayer'].append(l) | |
if 'DenseLayer' in str(type(l)): | |
selflayers['DenseLayer'].append(l) | |
lenConv = min(len(sourcelayers['Conv2DLayer']),len(selflayers['Conv2DLayer'])) | |
if(lenConv > len(selflayers['Conv2DLayer'])): | |
selflayers['Conv2DLayer'].pop(lenConv- len(selflayers['Conv2DLayer'])) | |
elif(lenConv > len(sourcelayers['Conv2DLayer'])): | |
sourcelayers['Conv2DLayer'].pop(lenConv - len(sourcelayers['Conv2DLayer'])) | |
for l1, l2 in zip(sourcelayers['Conv2DLayer'], selflayers['Conv2DLayer']): | |
w1 = l1.W.get_value() | |
w2 = l2.W.get_value() | |
if w1.shape != w2.shape: | |
continue | |
l2.W.set_value(w1) | |
lenDense = min(len(sourcelayers['DenseLayer']),len(selflayers['DenseLayer'])) | |
if(lenDense > len(selflayers['DenseLayer'])): | |
selflayers['DenseLayer'].pop(lenDense- len(selflayers['DenseLayer'])) | |
elif(lenDense > len(sourcelayers['DenseLayer'])): | |
sourcelayers['DenseLayer'].pop(lenDense - len(sourcelayers['DenseLayer'])) | |
for l1, l2 in zip(sourcelayers['DenseLayer'], selflayers['DenseLayer']): | |
w1 = l1.W.get_value() | |
w2 = l2.W.get_value() | |
if w1.shape != w2.shape: | |
continue | |
l2.W.set_value(w1) |
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