def testOverrideHParamsMobileModel(self):
batch_size = 5
height, width = 224, 224
num_classes = 1000
inputs = tf.random_uniform((batch_size, height, width, 3))
tf.train.create_global_step()
config = pnasnet.mobile_imagenet_config()
config.set_hparam('data_format', 'NCHW')
with slim.arg_scope(pnasnet.pnasnet_mobile_arg_scope()):
_, end_points = pnasnet.build_pnasnet_mobile(inputs,
num_classes,
config=config)
self.assertListEqual(end_points['Stem'].shape.as_list(),
[batch_size, 135, 28, 28])
def testNoAuxHeadMobileModel(self):
batch_size = 5
height, width = 224, 224
num_classes = 1000
for use_aux_head in (True, False):
tf.reset_default_graph()
inputs = tf.random_uniform((batch_size, height, width, 3))
tf.train.create_global_step()
config = pnasnet.mobile_imagenet_config()
config.set_hparam('use_aux_head', int(use_aux_head))
with slim.arg_scope(pnasnet.pnasnet_mobile_arg_scope()):
_, end_points = pnasnet.build_pnasnet_mobile(inputs,
num_classes,
config=config)
self.assertEqual('AuxLogits' in end_points, use_aux_head)
def testUseBoundedAcitvationMobileModel(self):
batch_size = 1
height, width = 224, 224
num_classes = 1000
for use_bounded_activation in (True, False):
tf.reset_default_graph()
inputs = tf.random_uniform((batch_size, height, width, 3))
config = pnasnet.mobile_imagenet_config()
config.set_hparam('use_bounded_activation', use_bounded_activation)
with slim.arg_scope(pnasnet.pnasnet_mobile_arg_scope()):
_, _ = pnasnet.build_pnasnet_mobile(inputs,
num_classes,
config=config)
for node in tf.get_default_graph().as_graph_def().node:
if node.op.startswith('Relu'):
self.assertEqual(node.op == 'Relu6',
use_bounded_activation)