def SampleRandomFrames(model_input, num_frames, num_samples):
"""Samples a random set of frames of size num_samples.
Args:
model_input: A tensor of size batch_size x max_frames x feature_size
num_frames: A tensor of size batch_size x 1
num_samples: A scalar
Returns:
`model_input`: A tensor of size batch_size x num_samples x feature_size
"""
batch_size = tf.shape(model_input)[0]
frame_index = tf.cast(
tf.multiply(
tf.random_uniform([batch_size, num_samples]),
tf.tile(tf.cast(num_frames, tf.float32), [1, num_samples])), tf.int32)
batch_index = tf.tile(
tf.expand_dims(tf.range(batch_size), 1), [1, num_samples])
index = tf.stack([batch_index, frame_index], 2)
return tf.gather_nd(model_input, index)
python类random_uniform()的实例源码
rnn_model_no_state.py 文件源码
项目：tensorflow_novelist-master
作者: charlesXu86
项目源码
文件源码
阅读 33
收藏 0
点赞 0
评论 0
def rnn_model(self):
cell = rnn.BasicLSTMCell(num_units=self.n_units)
multi_cell = rnn.MultiRNNCell([cell]*self.n_layers)
# we only need one output so get it wrapped to out one value which is next word index
cell_wrapped = rnn.OutputProjectionWrapper(multi_cell, output_size=1)
# get input embed
embedding = tf.Variable(initial_value=tf.random_uniform([self.vocab_size, self.n_units], -1.0, 1.0))
inputs = tf.nn.embedding_lookup(embedding, self.inputs)
# what is inputs dim??
outputs, states = tf.nn.dynamic_rnn(cell_wrapped, inputs=inputs, dtype=tf.float32)
outputs = tf.reshape(outputs, [int(outputs.get_shape()[0]), int(inputs.get_shape()[1])])
w = tf.Variable(tf.truncated_normal([int(inputs.get_shape()[1]), self.vocab_size]))
b = tf.Variable(tf.zeros([self.vocab_size]))
logits = tf.nn.bias_add(tf.matmul(outputs, w), b)
return logits
def ae(x):
if nonlinearity_name == 'relu':
f = tf.nn.relu
elif nonlinearity_name == 'elu':
f = tf.nn.elu
elif nonlinearity_name == 'gelu':
# def gelu(x):
# return tf.mul(x, tf.erfc(-x / tf.sqrt(2.)) / 2.)
# f = gelu
def gelu_fast(_x):
return 0.5 * _x * (1 + tf.tanh(tf.sqrt(2 / np.pi) * (_x + 0.044715 * tf.pow(_x, 3))))
f = gelu_fast
elif nonlinearity_name == 'silu':
def silu(_x):
return _x * tf.sigmoid(_x)
f = silu
# elif nonlinearity_name == 'soi':
# def soi_map(x):
# u = tf.random_uniform(tf.shape(x))
# mask = tf.to_float(tf.less(u, (1 + tf.erf(x / tf.sqrt(2.))) / 2.))
# return tf.cond(is_training, lambda: tf.mul(mask, x),
# lambda: tf.mul(x, tf.erfc(-x / tf.sqrt(2.)) / 2.))
# f = soi_map
else:
raise NameError("Need 'relu', 'elu', 'gelu', or 'silu' for nonlinearity_name")
h1 = f(tf.matmul(x, W['1']) + b['1'])
h2 = f(tf.matmul(h1, W['2']) + b['2'])
h3 = f(tf.matmul(h2, W['3']) + b['3'])
h4 = f(tf.matmul(h3, W['4']) + b['4'])
h5 = f(tf.matmul(h4, W['5']) + b['5'])
h6 = f(tf.matmul(h5, W['6']) + b['6'])
h7 = f(tf.matmul(h6, W['7']) + b['7'])
return tf.matmul(h7, W['8']) + b['8']
def xavier_initializer(shape):
dim_sum = np.sum(shape)
if len(shape) == 1:
dim_sum += 1
bound = np.sqrt(2.0 / dim_sum)
return tf.random_uniform(shape, minval=-bound, maxval=bound)
# # Assigning network variables to target network variables
# def assign_network_to_target():
# update_wfc = tf.assign(w_fc_target, w_fc)
# update_bfc = tf.assign(b_fc_target, b_fc)
# sess.run(update_wfc)
# sess.run(update_bfc)
# cell_target = cell
# Input
def augment(self, model_input_raw, num_frames, labels_batch, **unused_params):
assert(FLAGS.frame_feature,
"AugmentationTransformer only works with frame feature")
feature_dim = len(model_input_raw.get_shape()) - 1
frame_dim = len(model_input_raw.get_shape()) - 2
max_frame = model_input_raw.get_shape().as_list()[frame_dim]
limit = tf.cast(tf.reduce_min(num_frames) / 4.0, tf.int32)
offset = tf.random_uniform(shape=[], dtype=tf.int32) % limit
input_trans1 = tf.pad(model_input_raw[:,offset:,:], paddings=[0,offset,0])
num_frames_trans1 = num_frames - offset
num_frames_trans1 = tf.cast(
tf.random_uniform(shape=num_frames.shape, minval=0.75, maxval=1.0,
dtype=tf.float32)
* num_frames_trans1, tf.int32)
model_input = tf.concat([model_input_raw, input_trans1], axis=0)
labels_batch = tf.concat([labels_batch, labels_batch], axis=0)
num_frames = tf.concat([num_frames, num_frames_trans1], axis=0)
return model_input, labels_batch, num_frames_new
def SampleRandomFrames(model_input, num_frames, num_samples):
"""Samples a random set of frames of size num_samples.
Args:
model_input: A tensor of size batch_size x max_frames x feature_size
num_frames: A tensor of size batch_size x 1
num_samples: A scalar
Returns:
`model_input`: A tensor of size batch_size x num_samples x feature_size
"""
batch_size = tf.shape(model_input)[0]
frame_index = tf.cast(
tf.multiply(
tf.random_uniform([batch_size, num_samples]),
tf.tile(tf.cast(num_frames, tf.float32), [1, num_samples])), tf.int32)
batch_index = tf.tile(
tf.expand_dims(tf.range(batch_size), 1), [1, num_samples])
index = tf.stack([batch_index, frame_index], 2)
return tf.gather_nd(model_input, index)
def SampleRandomFrames(model_input, num_frames, num_samples):
"""Samples a random set of frames of size num_samples.
Args:
model_input: A tensor of size batch_size x max_frames x feature_size
num_frames: A tensor of size batch_size x 1
num_samples: A scalar
Returns:
`model_input`: A tensor of size batch_size x num_samples x feature_size
"""
batch_size = tf.shape(model_input)[0]
frame_index = tf.cast(
tf.multiply(
tf.random_uniform([batch_size, num_samples]),
tf.tile(tf.cast(num_frames, tf.float32), [1, num_samples])), tf.int32)
batch_index = tf.tile(
tf.expand_dims(tf.range(batch_size), 1), [1, num_samples])
index = tf.stack([batch_index, frame_index], 2)
return tf.gather_nd(model_input, index)
def sample_dtype(self):
return tf.int32
# WRONG SECOND DERIVATIVES
# class CategoricalPd(Pd):
# def __init__(self, logits):
# self.logits = logits
# self.ps = tf.nn.softmax(logits)
# @classmethod
# def fromflat(cls, flat):
# return cls(flat)
# def flatparam(self):
# return self.logits
# def mode(self):
# return U.argmax(self.logits, axis=1)
# def logp(self, x):
# return -tf.nn.sparse_softmax_cross_entropy_with_logits(self.logits, x)
# def kl(self, other):
# return tf.nn.softmax_cross_entropy_with_logits(other.logits, self.ps) \
# - tf.nn.softmax_cross_entropy_with_logits(self.logits, self.ps)
# def entropy(self):
# return tf.nn.softmax_cross_entropy_with_logits(self.logits, self.ps)
# def sample(self):
# u = tf.random_uniform(tf.shape(self.logits))
# return U.argmax(self.logits - tf.log(-tf.log(u)), axis=1)
def tf_truncexpon(batch_size,rate,right):
'''
a tensorflow node that returns a random variable
sampled from an Exp(rate) random variable
which has been truncated and normalized to [0,right]
#Leverages that log of uniform is exponential
batch_size: a tensorflow placeholder to sync batch_size everywhere
rate: lambda rate parameter for exponential dist
right: float in (0,inf) where to truncate exp distribution
'''
uleft=tf.exp(-1*rate*right)
U=tf.random_uniform(shape=(batch_size,1),minval=uleft,maxval=1)
tExp=(-1/rate)*tf.log(U)
return tExp
def Grad_Penalty(real_data,fake_data,Discriminator,config):
'''
Implemention from "Improved training of Wasserstein"
Interpolation based estimation of the gradient of the discriminator.
Used to penalize the derivative rather than explicitly constrain lipschitz.
'''
batch_size=config.batch_size
LAMBDA=config.lambda_W
n_hidden=config.critic_hidden_size
alpha = tf.random_uniform([batch_size,1],0.,1.)
interpolates = alpha*real_data + ((1-alpha)*fake_data)#Could do more if not fixed batch_size
disc_interpolates = Discriminator(interpolates,batch_size,n_hidden=n_hidden,config=config, reuse=True)[1]#logits
gradients = tf.gradients(disc_interpolates,[interpolates])[0]#orig
slopes = tf.sqrt(tf.reduce_sum(tf.square(gradients),
reduction_indices=[1]))
gradient_penalty = tf.reduce_mean((slopes-1)**2)
grad_cost = LAMBDA*gradient_penalty
return grad_cost,slopes
def init_var(self):
self.rand_h = tf.random_uniform([1], 1.0 - float(self.rnd_hflip), 1.0)
self.rand_v = tf.random_uniform([1], 1.0 - float(self.rnd_vflip), 1.0)
self.rand_t = tf.random_uniform(
[1], 1.0 - float(self.rnd_transpose), 1.0)
self.offset = tf.random_uniform(
[2], dtype='int32', maxval=self.padding * 2 + self.shrink)
if self._debug:
self.offset = tf.Print(self.offset,
['Forward RND module', self.offset])
if self.rnd_size:
self.space = 2 * self.padding - self.offset
self.offset20 = tf.random_uniform(
[], dtype='int32', maxval=self.space[0] * 2) - self.space[0]
self.offset21 = tf.random_uniform(
[], dtype='int32', maxval=self.space[1] * 2) - self.space[1]
self.offset2 = tf.pack([self.offset20, self.offset21])
else:
self.offset2 = tf.zeros([2], dtype='int32')
pass
def _build(self):
"""Build the linear layer.
Two parameters: weight and bias.
:return: None.
"""
bound = math.sqrt(6.0 / (self._input_size + self._output_size))
w_init = tf.random_uniform(
minval=-bound,
maxval=bound,
shape=(self._input_size, self._output_size),
dtype=D_TYPE,
name='w_init'
)
self._w = tf.Variable(w_init, dtype=D_TYPE, name='w')
if self._with_bias:
b_init = tf.zeros(
shape=(self._output_size,),
dtype=D_TYPE,
name='b_init'
)
self._b = tf.Variable(b_init, dtype=D_TYPE, name='b')
else:
self._b = None
self._batch_norm = BatchNorm('bn', self._output_size) if self._with_batch_norm else None
def random_rotation(img: tf.Tensor, max_rotation: float=0.1, crop: bool=True) -> tf.Tensor: # from SeguinBe
with tf.name_scope('RandomRotation'):
rotation = tf.random_uniform([], -max_rotation, max_rotation)
rotated_image = tf.contrib.image.rotate(img, rotation, interpolation='BILINEAR')
if crop:
rotation = tf.abs(rotation)
original_shape = tf.shape(rotated_image)[:2]
h, w = original_shape[0], original_shape[1]
# see https://stackoverflow.com/questions/16702966/rotate-image-and-crop-out-black-borders for formulae
old_l, old_s = tf.cond(h > w, lambda: [h, w], lambda: [w, h])
old_l, old_s = tf.cast(old_l, tf.float32), tf.cast(old_s, tf.float32)
new_l = (old_l * tf.cos(rotation) - old_s * tf.sin(rotation)) / tf.cos(2*rotation)
new_s = (old_s - tf.sin(rotation) * new_l) / tf.cos(rotation)
new_h, new_w = tf.cond(h > w, lambda: [new_l, new_s], lambda: [new_s, new_l])
new_h, new_w = tf.cast(new_h, tf.int32), tf.cast(new_w, tf.int32)
bb_begin = tf.cast(tf.ceil((h-new_h)/2), tf.int32), tf.cast(tf.ceil((w-new_w)/2), tf.int32)
rotated_image_crop = rotated_image[bb_begin[0]:h - bb_begin[0], bb_begin[1]:w - bb_begin[1], :]
# If crop removes the entire image, keep the original image
rotated_image = tf.cond(tf.equal(tf.size(rotated_image_crop), 0),
true_fn=lambda: img,
false_fn=lambda: rotated_image_crop)
return rotated_image
def SampleRandomFrames(model_input, num_frames, num_samples):
"""Samples a random set of frames of size num_samples.
Args:
model_input: A tensor of size batch_size x max_frames x feature_size
num_frames: A tensor of size batch_size x 1
num_samples: A scalar
Returns:
`model_input`: A tensor of size batch_size x num_samples x feature_size
"""
batch_size = tf.shape(model_input)[0]
frame_index = tf.cast(
tf.multiply(
tf.random_uniform([batch_size, num_samples]),
tf.tile(tf.cast(num_frames, tf.float32), [1, num_samples])), tf.int32)
batch_index = tf.tile(
tf.expand_dims(tf.range(batch_size), 1), [1, num_samples])
index = tf.stack([batch_index, frame_index], 2)
return tf.gather_nd(model_input, index)
def attack(self, x, y):
"""
This method creates a symbolic graph that given an input image,
first randomly perturbs the image. The
perturbation is bounded to an epsilon ball. Then multiple steps of
gradient descent is performed to increase the probability of a target
label or decrease the probability of the ground-truth label.
:param x: A tensor with the input image.
"""
import tensorflow as tf
from cleverhans.utils_tf import clip_eta
eta = tf.random_uniform(tf.shape(x), -self.eps, self.eps)
eta = clip_eta(eta, self.ord, self.eps)
for i in range(self.nb_iter):
x, eta = self.attack_single_step(x, eta, y)
adv_x = x + eta
if self.clip_min is not None and self.clip_max is not None:
adv_x = tf.clip_by_value(adv_x, self.clip_min, self.clip_max)
return adv_x
def testBuildEndPointsWithDepthMultiplierLessThanOne(self):
batch_size = 5
height, width = 224, 224
num_classes = 1000
inputs = tf.random_uniform((batch_size, height, width, 3))
_, end_points = inception.inception_v2(inputs, num_classes)
endpoint_keys = [key for key in end_points.keys()
if key.startswith('Mixed') or key.startswith('Conv')]
_, end_points_with_multiplier = inception.inception_v2(
inputs, num_classes, scope='depth_multiplied_net',
depth_multiplier=0.5)
for key in endpoint_keys:
original_depth = end_points[key].get_shape().as_list()[3]
new_depth = end_points_with_multiplier[key].get_shape().as_list()[3]
self.assertEqual(0.5 * original_depth, new_depth)
def testBuildEndPointsWithDepthMultiplierGreaterThanOne(self):
batch_size = 5
height, width = 224, 224
num_classes = 1000
inputs = tf.random_uniform((batch_size, height, width, 3))
_, end_points = inception.inception_v2(inputs, num_classes)
endpoint_keys = [key for key in end_points.keys()
if key.startswith('Mixed') or key.startswith('Conv')]
_, end_points_with_multiplier = inception.inception_v2(
inputs, num_classes, scope='depth_multiplied_net',
depth_multiplier=2.0)
for key in endpoint_keys:
original_depth = end_points[key].get_shape().as_list()[3]
new_depth = end_points_with_multiplier[key].get_shape().as_list()[3]
self.assertEqual(2.0 * original_depth, new_depth)
def testUnknowBatchSize(self):
batch_size = 1
height, width = 224, 224
num_classes = 1000
inputs = tf.placeholder(tf.float32, (None, height, width, 3))
logits, _ = inception.inception_v2(inputs, num_classes)
self.assertTrue(logits.op.name.startswith('InceptionV2/Logits'))
self.assertListEqual(logits.get_shape().as_list(),
[None, num_classes])
images = tf.random_uniform((batch_size, height, width, 3))
with self.test_session() as sess:
sess.run(tf.global_variables_initializer())
output = sess.run(logits, {inputs: images.eval()})
self.assertEquals(output.shape, (batch_size, num_classes))
def testTrainEvalWithReuse(self):
train_batch_size = 5
eval_batch_size = 2
height, width = 150, 150
num_classes = 1000
train_inputs = tf.random_uniform((train_batch_size, height, width, 3))
inception.inception_v2(train_inputs, num_classes)
eval_inputs = tf.random_uniform((eval_batch_size, height, width, 3))
logits, _ = inception.inception_v2(eval_inputs, num_classes, reuse=True)
predictions = tf.argmax(logits, 1)
with self.test_session() as sess:
sess.run(tf.global_variables_initializer())
output = sess.run(predictions)
self.assertEquals(output.shape, (eval_batch_size,))
def testBuildEndPoints(self):
batch_size = 5
height, width = 299, 299
num_classes = 1000
with self.test_session():
inputs = tf.random_uniform((batch_size, height, width, 3))
_, end_points = inception.inception_resnet_v2(inputs, num_classes)
self.assertTrue('Logits' in end_points)
logits = end_points['Logits']
self.assertListEqual(logits.get_shape().as_list(),
[batch_size, num_classes])
self.assertTrue('AuxLogits' in end_points)
aux_logits = end_points['AuxLogits']
self.assertListEqual(aux_logits.get_shape().as_list(),
[batch_size, num_classes])
pre_pool = end_points['PrePool']
self.assertListEqual(pre_pool.get_shape().as_list(),
[batch_size, 8, 8, 1536])
def testTrainEvalWithReuse(self):
train_batch_size = 5
eval_batch_size = 2
height, width = 150, 150
num_classes = 1000
with self.test_session() as sess:
train_inputs = tf.random_uniform((train_batch_size, height, width, 3))
inception.inception_resnet_v2(train_inputs, num_classes)
eval_inputs = tf.random_uniform((eval_batch_size, height, width, 3))
logits, _ = inception.inception_resnet_v2(eval_inputs,
num_classes,
is_training=False,
reuse=True)
predictions = tf.argmax(logits, 1)
sess.run(tf.global_variables_initializer())
output = sess.run(predictions)
self.assertEquals(output.shape, (eval_batch_size,))
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 testBuildEndPointsWithDepthMultiplierLessThanOne(self):
batch_size = 5
height, width = 224, 224
num_classes = 1000
inputs = tf.random_uniform((batch_size, height, width, 3))
_, end_points = mobilenet_v1.mobilenet_v1(inputs, num_classes)
endpoint_keys = [key for key in end_points.keys() if key.startswith('Conv')]
_, end_points_with_multiplier = mobilenet_v1.mobilenet_v1(
inputs, num_classes, scope='depth_multiplied_net',
depth_multiplier=0.5)
for key in endpoint_keys:
original_depth = end_points[key].get_shape().as_list()[3]
new_depth = end_points_with_multiplier[key].get_shape().as_list()[3]
self.assertEqual(0.5 * original_depth, new_depth)
def testBuildEndPointsWithDepthMultiplierGreaterThanOne(self):
batch_size = 5
height, width = 224, 224
num_classes = 1000
inputs = tf.random_uniform((batch_size, height, width, 3))
_, end_points = mobilenet_v1.mobilenet_v1(inputs, num_classes)
endpoint_keys = [key for key in end_points.keys()
if key.startswith('Mixed') or key.startswith('Conv')]
_, end_points_with_multiplier = mobilenet_v1.mobilenet_v1(
inputs, num_classes, scope='depth_multiplied_net',
depth_multiplier=2.0)
for key in endpoint_keys:
original_depth = end_points[key].get_shape().as_list()[3]
new_depth = end_points_with_multiplier[key].get_shape().as_list()[3]
self.assertEqual(2.0 * original_depth, new_depth)
def testUnknowBatchSize(self):
batch_size = 1
height, width = 224, 224
num_classes = 1000
inputs = tf.placeholder(tf.float32, (None, height, width, 3))
logits, _ = mobilenet_v1.mobilenet_v1(inputs, num_classes)
self.assertTrue(logits.op.name.startswith('MobilenetV1/Logits'))
self.assertListEqual(logits.get_shape().as_list(),
[None, num_classes])
images = tf.random_uniform((batch_size, height, width, 3))
with self.test_session() as sess:
sess.run(tf.global_variables_initializer())
output = sess.run(logits, {inputs: images.eval()})
self.assertEquals(output.shape, (batch_size, num_classes))
def testTrainEvalWithReuse(self):
train_batch_size = 5
eval_batch_size = 2
height, width = 150, 150
num_classes = 1000
train_inputs = tf.random_uniform((train_batch_size, height, width, 3))
mobilenet_v1.mobilenet_v1(train_inputs, num_classes)
eval_inputs = tf.random_uniform((eval_batch_size, height, width, 3))
logits, _ = mobilenet_v1.mobilenet_v1(eval_inputs, num_classes,
reuse=True)
predictions = tf.argmax(logits, 1)
with self.test_session() as sess:
sess.run(tf.global_variables_initializer())
output = sess.run(predictions)
self.assertEquals(output.shape, (eval_batch_size,))
def testBuildBaseNetwork(self):
batch_size = 5
height, width = 299, 299
inputs = tf.random_uniform((batch_size, height, width, 3))
final_endpoint, end_points = inception.inception_v3_base(inputs)
self.assertTrue(final_endpoint.op.name.startswith(
'InceptionV3/Mixed_7c'))
self.assertListEqual(final_endpoint.get_shape().as_list(),
[batch_size, 8, 8, 2048])
expected_endpoints = ['Conv2d_1a_3x3', 'Conv2d_2a_3x3', 'Conv2d_2b_3x3',
'MaxPool_3a_3x3', 'Conv2d_3b_1x1', 'Conv2d_4a_3x3',
'MaxPool_5a_3x3', 'Mixed_5b', 'Mixed_5c', 'Mixed_5d',
'Mixed_6a', 'Mixed_6b', 'Mixed_6c', 'Mixed_6d',
'Mixed_6e', 'Mixed_7a', 'Mixed_7b', 'Mixed_7c']
self.assertItemsEqual(end_points.keys(), expected_endpoints)
def testBuildOnlyUptoFinalEndpoint(self):
batch_size = 5
height, width = 299, 299
endpoints = ['Conv2d_1a_3x3', 'Conv2d_2a_3x3', 'Conv2d_2b_3x3',
'MaxPool_3a_3x3', 'Conv2d_3b_1x1', 'Conv2d_4a_3x3',
'MaxPool_5a_3x3', 'Mixed_5b', 'Mixed_5c', 'Mixed_5d',
'Mixed_6a', 'Mixed_6b', 'Mixed_6c', 'Mixed_6d',
'Mixed_6e', 'Mixed_7a', 'Mixed_7b', 'Mixed_7c']
for index, endpoint in enumerate(endpoints):
with tf.Graph().as_default():
inputs = tf.random_uniform((batch_size, height, width, 3))
out_tensor, end_points = inception.inception_v3_base(
inputs, final_endpoint=endpoint)
self.assertTrue(out_tensor.op.name.startswith(
'InceptionV3/' + endpoint))
self.assertItemsEqual(endpoints[:index+1], end_points)
def testBuildEndPoints(self):
batch_size = 5
height, width = 299, 299
num_classes = 1000
inputs = tf.random_uniform((batch_size, height, width, 3))
_, end_points = inception.inception_v3(inputs, num_classes)
self.assertTrue('Logits' in end_points)
logits = end_points['Logits']
self.assertListEqual(logits.get_shape().as_list(),
[batch_size, num_classes])
self.assertTrue('AuxLogits' in end_points)
aux_logits = end_points['AuxLogits']
self.assertListEqual(aux_logits.get_shape().as_list(),
[batch_size, num_classes])
self.assertTrue('Mixed_7c' in end_points)
pre_pool = end_points['Mixed_7c']
self.assertListEqual(pre_pool.get_shape().as_list(),
[batch_size, 8, 8, 2048])
self.assertTrue('PreLogits' in end_points)
pre_logits = end_points['PreLogits']
self.assertListEqual(pre_logits.get_shape().as_list(),
[batch_size, 1, 1, 2048])
