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Merge branch 'unit-tests-for-channel-sparse-convolution' into 'dev'
Added shape tests for channel sparse convolution See merge request CMIC/NiftyNet!211
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from __future__ import absolute_import, print_function | ||
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import tensorflow as tf | ||
import numpy as np | ||
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from niftynet.layer.channel_sparse_convolution import ChannelSparseConvolutionalLayer | ||
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class ChannelSparseConvolutionalLayerTest(tf.test.TestCase): | ||
def test_3d_shape(self): | ||
x = tf.random_normal(shape=[2,4,5,6,4]) | ||
conv1 = ChannelSparseConvolutionalLayer(4) | ||
conv2 = ChannelSparseConvolutionalLayer(8,kernel_size=[1,1,3]) | ||
conv3 = ChannelSparseConvolutionalLayer(4, acti_func='relu') | ||
conv4 = ChannelSparseConvolutionalLayer(8, with_bn=False) | ||
conv5 = ChannelSparseConvolutionalLayer(4, with_bias=True) | ||
x1, mask1=conv1(x, None, True, 1.) | ||
x2, mask2=conv2(x1, mask1, True, 1.) | ||
x3, mask3=conv3(x2, mask2, True, .5) | ||
x4, mask4=conv4(x3, mask3, True, .75) | ||
x5, mask5=conv5(x4, mask4, True, 1.) | ||
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with self.test_session() as sess: | ||
sess.run(tf.global_variables_initializer()) | ||
out1, out2, out3, out4, out5 = sess.run([x1,x2,x3,x4,x5]) | ||
self.assertAllClose([2,4,5,6,4], out1.shape) | ||
self.assertAllClose([2,4,5,6,8], out2.shape) | ||
self.assertAllClose([2,4,5,6,2], out3.shape) | ||
self.assertAllClose([2,4,5,6,6], out4.shape) | ||
self.assertAllClose([2,4,5,6,4], out5.shape) | ||
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def test_2d_shape(self): | ||
x = tf.random_normal(shape=[2,4,5,4]) | ||
conv1 = ChannelSparseConvolutionalLayer(4) | ||
conv2 = ChannelSparseConvolutionalLayer(8,kernel_size=[1,1,3]) | ||
conv3 = ChannelSparseConvolutionalLayer(4, acti_func='relu') | ||
conv4 = ChannelSparseConvolutionalLayer(8, with_bn=False) | ||
conv5 = ChannelSparseConvolutionalLayer(4, with_bias=True) | ||
x1, mask1=conv1(x, None, True, 1.) | ||
x2, mask2=conv2(x1, mask1, True, 1.) | ||
x3, mask3=conv3(x2, mask2, True, .5) | ||
x4, mask4=conv4(x3, mask3, True, .75) | ||
x5, mask5=conv5(x4, mask4, True, 1.) | ||
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with self.test_session() as sess: | ||
sess.run(tf.global_variables_initializer()) | ||
out1, out2, out3, out4, out5 = sess.run([x1,x2,x3,x4,x5]) | ||
self.assertAllClose([2,4,5,4], out1.shape) | ||
self.assertAllClose([2,4,5,8], out2.shape) | ||
self.assertAllClose([2,4,5,2], out3.shape) | ||
self.assertAllClose([2,4,5,6], out4.shape) | ||
self.assertAllClose([2,4,5,4], out5.shape) | ||
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def test_masks(self): | ||
x = tf.random_normal(shape=[2,4,5,4]) | ||
conv1 = ChannelSparseConvolutionalLayer(10) | ||
conv2 = ChannelSparseConvolutionalLayer(10) | ||
conv3 = ChannelSparseConvolutionalLayer(10) | ||
conv4 = ChannelSparseConvolutionalLayer(10) | ||
x1, mask1=conv1(x, None, True, 1.) | ||
x2, mask2=conv2(x1, mask1, True, .5) | ||
x3, mask3=conv3(x2, mask2, True, .2) | ||
x4, mask4=conv4(x3, mask3, True, 1.) | ||
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with self.test_session() as sess: | ||
sess.run(tf.global_variables_initializer()) | ||
out1, out2, out3, out4 = sess.run([mask1, mask2, mask3, mask4]) | ||
self.assertAllClose([10, 5, 2, 10], [np.sum(out1), | ||
np.sum(out2), | ||
np.sum(out3), | ||
np.sum(out4)]) | ||
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if __name__ == "__main__": | ||
tf.test.main() |