def testModelHasExpectedNumberOfParameters(self):
batch_size = 5
height, width = 224, 224
inputs = tf.random_uniform((batch_size, height, width, 3))
with slim.arg_scope([slim.conv2d, slim.separable_conv2d],
normalizer_fn=slim.batch_norm):
mobilenet_v1.mobilenet_v1_base(inputs)
total_params, _ = slim.model_analyzer.analyze_vars(
slim.get_model_variables())
self.assertAlmostEqual(3217920, total_params)
def testBuildAndCheckAllEndPointsApproximateFaceNet(self):
batch_size = 5
height, width = 128, 128
inputs = tf.random_uniform((batch_size, height, width, 3))
with slim.arg_scope([slim.conv2d, slim.separable_conv2d],
normalizer_fn=slim.batch_norm):
_, end_points = mobilenet_v1.mobilenet_v1_base(
inputs,
final_endpoint='Conv2d_13_pointwise',
depth_multiplier=0.75)
# For the Conv2d_0 layer FaceNet has depth=16
endpoints_shapes = {
'Conv2d_0': [batch_size, 64, 64, 24],
'Conv2d_1_depthwise': [batch_size, 64, 64, 24],
'Conv2d_1_pointwise': [batch_size, 64, 64, 48],
'Conv2d_2_depthwise': [batch_size, 32, 32, 48],
'Conv2d_2_pointwise': [batch_size, 32, 32, 96],
'Conv2d_3_depthwise': [batch_size, 32, 32, 96],
'Conv2d_3_pointwise': [batch_size, 32, 32, 96],
'Conv2d_4_depthwise': [batch_size, 16, 16, 96],
'Conv2d_4_pointwise': [batch_size, 16, 16, 192],
'Conv2d_5_depthwise': [batch_size, 16, 16, 192],
'Conv2d_5_pointwise': [batch_size, 16, 16, 192],
'Conv2d_6_depthwise': [batch_size, 8, 8, 192],
'Conv2d_6_pointwise': [batch_size, 8, 8, 384],
'Conv2d_7_depthwise': [batch_size, 8, 8, 384],
'Conv2d_7_pointwise': [batch_size, 8, 8, 384],
'Conv2d_8_depthwise': [batch_size, 8, 8, 384],
'Conv2d_8_pointwise': [batch_size, 8, 8, 384],
'Conv2d_9_depthwise': [batch_size, 8, 8, 384],
'Conv2d_9_pointwise': [batch_size, 8, 8, 384],
'Conv2d_10_depthwise': [batch_size, 8, 8, 384],
'Conv2d_10_pointwise': [batch_size, 8, 8, 384],
'Conv2d_11_depthwise': [batch_size, 8, 8, 384],
'Conv2d_11_pointwise': [batch_size, 8, 8, 384],
'Conv2d_12_depthwise': [batch_size, 4, 4, 384],
'Conv2d_12_pointwise': [batch_size, 4, 4, 768],
'Conv2d_13_depthwise': [batch_size, 4, 4, 768],
'Conv2d_13_pointwise': [batch_size, 4, 4, 768]
}
self.assertItemsEqual(endpoints_shapes.keys(), end_points.keys())
for endpoint_name, expected_shape in endpoints_shapes.items():
self.assertTrue(endpoint_name in end_points)
self.assertListEqual(
end_points[endpoint_name].get_shape().as_list(),
expected_shape)
def testOutputStride8BuildAndCheckAllEndPointsUptoConv2d_13(self):
batch_size = 5
height, width = 224, 224
output_stride = 8
inputs = tf.random_uniform((batch_size, height, width, 3))
with slim.arg_scope([slim.conv2d, slim.separable_conv2d],
normalizer_fn=slim.batch_norm):
_, end_points = mobilenet_v1.mobilenet_v1_base(
inputs,
output_stride=output_stride,
final_endpoint='Conv2d_13_pointwise')
endpoints_shapes = {
'Conv2d_0': [batch_size, 112, 112, 32],
'Conv2d_1_depthwise': [batch_size, 112, 112, 32],
'Conv2d_1_pointwise': [batch_size, 112, 112, 64],
'Conv2d_2_depthwise': [batch_size, 56, 56, 64],
'Conv2d_2_pointwise': [batch_size, 56, 56, 128],
'Conv2d_3_depthwise': [batch_size, 56, 56, 128],
'Conv2d_3_pointwise': [batch_size, 56, 56, 128],
'Conv2d_4_depthwise': [batch_size, 28, 28, 128],
'Conv2d_4_pointwise': [batch_size, 28, 28, 256],
'Conv2d_5_depthwise': [batch_size, 28, 28, 256],
'Conv2d_5_pointwise': [batch_size, 28, 28, 256],
'Conv2d_6_depthwise': [batch_size, 28, 28, 256],
'Conv2d_6_pointwise': [batch_size, 28, 28, 512],
'Conv2d_7_depthwise': [batch_size, 28, 28, 512],
'Conv2d_7_pointwise': [batch_size, 28, 28, 512],
'Conv2d_8_depthwise': [batch_size, 28, 28, 512],
'Conv2d_8_pointwise': [batch_size, 28, 28, 512],
'Conv2d_9_depthwise': [batch_size, 28, 28, 512],
'Conv2d_9_pointwise': [batch_size, 28, 28, 512],
'Conv2d_10_depthwise': [batch_size, 28, 28, 512],
'Conv2d_10_pointwise': [batch_size, 28, 28, 512],
'Conv2d_11_depthwise': [batch_size, 28, 28, 512],
'Conv2d_11_pointwise': [batch_size, 28, 28, 512],
'Conv2d_12_depthwise': [batch_size, 28, 28, 512],
'Conv2d_12_pointwise': [batch_size, 28, 28, 1024],
'Conv2d_13_depthwise': [batch_size, 28, 28, 1024],
'Conv2d_13_pointwise': [batch_size, 28, 28, 1024]
}
self.assertItemsEqual(endpoints_shapes.keys(), end_points.keys())
for endpoint_name, expected_shape in endpoints_shapes.items():
self.assertTrue(endpoint_name in end_points)
self.assertListEqual(
end_points[endpoint_name].get_shape().as_list(),
expected_shape)
def testBuildBaseNetwork(self):
batch_size = 5
height, width = 224, 224
inputs = tf.random_uniform((batch_size, height, width, 3))
net, end_points = mobilenet_v1.mobilenet_v1_base(inputs)
self.assertTrue(net.op.name.startswith('MobilenetV1/Conv2d_13'))
self.assertListEqual(net.get_shape().as_list(),
[batch_size, 7, 7, 1024])
expected_endpoints = [
'Conv2d_0', 'Conv2d_1_depthwise', 'Conv2d_1_pointwise',
'Conv2d_2_depthwise', 'Conv2d_2_pointwise', 'Conv2d_3_depthwise',
'Conv2d_3_pointwise', 'Conv2d_4_depthwise', 'Conv2d_4_pointwise',
'Conv2d_5_depthwise', 'Conv2d_5_pointwise', 'Conv2d_6_depthwise',
'Conv2d_6_pointwise', 'Conv2d_7_depthwise', 'Conv2d_7_pointwise',
'Conv2d_8_depthwise', 'Conv2d_8_pointwise', 'Conv2d_9_depthwise',
'Conv2d_9_pointwise', 'Conv2d_10_depthwise', 'Conv2d_10_pointwise',
'Conv2d_11_depthwise', 'Conv2d_11_pointwise',
'Conv2d_12_depthwise', 'Conv2d_12_pointwise',
'Conv2d_13_depthwise', 'Conv2d_13_pointwise'
]
self.assertItemsEqual(end_points.keys(), expected_endpoints)
def testBuildCustomNetworkUsingConvDefs(self):
batch_size = 5
height, width = 224, 224
conv_defs = [
mobilenet_v1.Conv(kernel=[3, 3], stride=2, depth=32),
mobilenet_v1.DepthSepConv(kernel=[3, 3], stride=1, depth=64),
mobilenet_v1.DepthSepConv(kernel=[3, 3], stride=2, depth=128),
mobilenet_v1.DepthSepConv(kernel=[3, 3], stride=1, depth=512)
]
inputs = tf.random_uniform((batch_size, height, width, 3))
net, end_points = mobilenet_v1.mobilenet_v1_base(
inputs, final_endpoint='Conv2d_3_pointwise', conv_defs=conv_defs)
self.assertTrue(net.op.name.startswith('MobilenetV1/Conv2d_3'))
self.assertListEqual(net.get_shape().as_list(),
[batch_size, 56, 56, 512])
expected_endpoints = [
'Conv2d_0', 'Conv2d_1_depthwise', 'Conv2d_1_pointwise',
'Conv2d_2_depthwise', 'Conv2d_2_pointwise', 'Conv2d_3_depthwise',
'Conv2d_3_pointwise'
]
self.assertItemsEqual(end_points.keys(), expected_endpoints)
def testBuildOnlyUptoFinalEndpoint(self):
batch_size = 5
height, width = 224, 224
endpoints = [
'Conv2d_0', 'Conv2d_1_depthwise', 'Conv2d_1_pointwise',
'Conv2d_2_depthwise', 'Conv2d_2_pointwise', 'Conv2d_3_depthwise',
'Conv2d_3_pointwise', 'Conv2d_4_depthwise', 'Conv2d_4_pointwise',
'Conv2d_5_depthwise', 'Conv2d_5_pointwise', 'Conv2d_6_depthwise',
'Conv2d_6_pointwise', 'Conv2d_7_depthwise', 'Conv2d_7_pointwise',
'Conv2d_8_depthwise', 'Conv2d_8_pointwise', 'Conv2d_9_depthwise',
'Conv2d_9_pointwise', 'Conv2d_10_depthwise', 'Conv2d_10_pointwise',
'Conv2d_11_depthwise', 'Conv2d_11_pointwise',
'Conv2d_12_depthwise', 'Conv2d_12_pointwise',
'Conv2d_13_depthwise', 'Conv2d_13_pointwise'
]
for index, endpoint in enumerate(endpoints):
with tf.Graph().as_default():
inputs = tf.random_uniform((batch_size, height, width, 3))
out_tensor, end_points = mobilenet_v1.mobilenet_v1_base(
inputs, final_endpoint=endpoint)
self.assertTrue(
out_tensor.op.name.startswith('MobilenetV1/' + endpoint))
self.assertItemsEqual(endpoints[:index + 1], end_points)