How to print tensor shape in Lambda layer function?





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I have defined a Lambda layer that passes tensors to a function attention. I want to print the shapes of the intermediate tensors in attention. I have tried print(K.int_shape(ques)) but that doesn't print the shapes. I am fine with both static and dynamic shapes.



layer = Lambda(attention, attention_shape)     

def attention(tensors):
img = tensors[0] # (7,7,512)
ques = tensors[1] # (512,)
print('attention: img shape: '+ str( K.int_shape(img) ) )
print('attention: ques shape: '+ str( K.int_shape(ques) ) )

ques = RepeatVector(49)(ques)
ques = Reshape((7, 7, -1))(ques) # (7,7,512)

print('attention: ques shape 2: '+ str( K.int_shape(ques) ) )

return ques









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  • You want the shapes to be printed when you first construct the model or during training? When you first construct the model the shapes would be printed.

    – today
    Nov 22 '18 at 20:14


















0















I have defined a Lambda layer that passes tensors to a function attention. I want to print the shapes of the intermediate tensors in attention. I have tried print(K.int_shape(ques)) but that doesn't print the shapes. I am fine with both static and dynamic shapes.



layer = Lambda(attention, attention_shape)     

def attention(tensors):
img = tensors[0] # (7,7,512)
ques = tensors[1] # (512,)
print('attention: img shape: '+ str( K.int_shape(img) ) )
print('attention: ques shape: '+ str( K.int_shape(ques) ) )

ques = RepeatVector(49)(ques)
ques = Reshape((7, 7, -1))(ques) # (7,7,512)

print('attention: ques shape 2: '+ str( K.int_shape(ques) ) )

return ques









share|improve this question























  • You want the shapes to be printed when you first construct the model or during training? When you first construct the model the shapes would be printed.

    – today
    Nov 22 '18 at 20:14














0












0








0








I have defined a Lambda layer that passes tensors to a function attention. I want to print the shapes of the intermediate tensors in attention. I have tried print(K.int_shape(ques)) but that doesn't print the shapes. I am fine with both static and dynamic shapes.



layer = Lambda(attention, attention_shape)     

def attention(tensors):
img = tensors[0] # (7,7,512)
ques = tensors[1] # (512,)
print('attention: img shape: '+ str( K.int_shape(img) ) )
print('attention: ques shape: '+ str( K.int_shape(ques) ) )

ques = RepeatVector(49)(ques)
ques = Reshape((7, 7, -1))(ques) # (7,7,512)

print('attention: ques shape 2: '+ str( K.int_shape(ques) ) )

return ques









share|improve this question














I have defined a Lambda layer that passes tensors to a function attention. I want to print the shapes of the intermediate tensors in attention. I have tried print(K.int_shape(ques)) but that doesn't print the shapes. I am fine with both static and dynamic shapes.



layer = Lambda(attention, attention_shape)     

def attention(tensors):
img = tensors[0] # (7,7,512)
ques = tensors[1] # (512,)
print('attention: img shape: '+ str( K.int_shape(img) ) )
print('attention: ques shape: '+ str( K.int_shape(ques) ) )

ques = RepeatVector(49)(ques)
ques = Reshape((7, 7, -1))(ques) # (7,7,512)

print('attention: ques shape 2: '+ str( K.int_shape(ques) ) )

return ques






python-3.x tensorflow keras tensor






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asked Nov 22 '18 at 16:51









Nirvan AnjirbagNirvan Anjirbag

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  • You want the shapes to be printed when you first construct the model or during training? When you first construct the model the shapes would be printed.

    – today
    Nov 22 '18 at 20:14



















  • You want the shapes to be printed when you first construct the model or during training? When you first construct the model the shapes would be printed.

    – today
    Nov 22 '18 at 20:14

















You want the shapes to be printed when you first construct the model or during training? When you first construct the model the shapes would be printed.

– today
Nov 22 '18 at 20:14





You want the shapes to be printed when you first construct the model or during training? When you first construct the model the shapes would be printed.

– today
Nov 22 '18 at 20:14












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