def build_loss_adv2(self, adv2, adv2_real, grad_penalty):
adv2_loss1 = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(
logits=adv2, labels=tf.zeros_like(adv2)))
adv2_loss2 = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(
logits=adv2_real, labels=tf.ones_like(adv2_real)))
adv2_loss_d = 0.5 * (adv2_loss1 + adv2_loss2)
adv2_loss_g = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(logits=adv2,
labels=tf.ones_like(adv2)))
# adv2_loss_g = -tf.reduce_mean(adv2)
# adv2_loss_d = -tf.reduce_mean(adv2_real) + tf.reduce_mean(adv2)
# adv2_loss_d += ddx
print('-----build loss finished, start optimizer')
train_adv2_g = tf.train.AdamOptimizer(0.00005,beta1=0.5).minimize(adv2_loss_g,\
var_list=M.get_all_vars('gen_att'))
print('-----opt _g')
with tf.variable_scope('adam_adv2_d', reuse=tf.AUTO_REUSE):
train_adv2_d = tf.train.AdamOptimizer(0.00005,beta1=0.5).minimize(adv2_loss_d,\
var_list=M.get_all_vars('discriminator'))
print('-----opt _d')
with tf.control_dependencies([train_adv2_d, train_adv2_g]):
train_adv2 = tf.no_op()
return adv2_loss_d, adv2_loss_g, train_adv2
def __init__(self,class_num):
img_holder = tf.placeholder(tf.float32,[None,460,460,3])
with tf.variable_scope('bg_fg'):
net_bgfg = network_bg_fg(img_holder)
with tf.variable_scope('seg_part'):
net_seg = network_seg(class_num,img_holder,tf.nn.softmax(tf.image.resize_images(net_bgfg.seg_layer,[460,460]),1)[:,:,:,1])
with tf.variable_scope('inst_part'):
net_inst = network_inst(class_num,img_holder
tf.nn.softmax(tf.image.resize_images(net_bgfg.seg_layer,[460,460]),1)[:,:,:,1],
tf.image.resize_images(net_seg.seg_layer,[460,460]))
self.network_bg_fg = network_bg_fg
self.network_seg = network_seg
self.network_inst = network_inst
self.img_holder = img_holder
self.mask_holder = network_bg_fg.lab_holder
self.seg_holder = network_seg.lab_holder
self.coord_holder = network_inst.coord_holder
self.inst_holder = network_inst.inst_holder
self.mask_out = network_bg_fg.seg_layer
self.seg_out = network_seg.seg_layer
self.inst_num_out = network_inst.inst_layer
self.coord_out = network_inst.coord_layer
self.build_loss()
self.sess = tf.Session()
M.loadSess('./savings_bgfg/',sess=self.sess,init=True,var_list=M.get_all_vars('bg_fg'))
M.loadSess('./savings_seg/',sess=self.sess,var_list=M.get_all_vars('seg_part'))
M.loadSess('./savings_inst/',sess=self.sess,var_list=M.get_all_vars('inst_part'))
def build_loss_ae(self, age_pred, age_pred_real):
self.age_cls_loss = tf.reduce_mean(
tf.nn.softmax_cross_entropy_with_logits(logits=age_pred_real,
labels=self.age_holder))
self.age_generate_loss = tf.reduce_mean(
tf.nn.softmax_cross_entropy_with_logits(logits=age_pred,
labels=self.age_holder))
train_classifier = tf.train.AdamOptimizer(0.0001).minimize(self.age_cls_loss,\
var_list=M.get_all_vars('discriminator'))
train_generator = tf.train.AdamOptimizer(0.0001).minimize(self.age_generate_loss,\
var_list=M.get_all_vars('gen_att'))
with tf.control_dependencies([train_classifier, train_generator]):
self.train_ae = tf.no_op()
def build_loss_A(self, A):
tv_loss = tf.reduce_mean(tf.image.total_variation(A))
l2_reg = tf.reduce_mean(tf.square(A))
loss_A = tv_loss / (128. * 128 * 10) + l2_reg * 1.0
train_A = tf.train.AdamOptimizer(0.00006,beta1=0.5).minimize(loss_A,\
var_list=M.get_all_vars('gen_att'))
return loss_A, train_A
def build_loss_ae_dis(self, age_pred, age_holder):
# age_loss = tf.reduce_mean(tf.nn.softmax_cross_entropy_with_logits(logits=age_pred,labels=age_holder))
age_loss = tf.reduce_mean(tf.abs(age_pred - age_holder))
train_ae = tf.train.AdamOptimizer(0.0001,beta1=0.5).minimize(age_loss,\
var_list=M.get_all_vars('discriminator'))
return age_loss, train_ae
def build_loss_ai2(self, ai2, age_size):
self.ai2_cls_loss = tf.reduce_mean(
tf.nn.softmax_cross_entropy_with_logits(logits=ai2,
labels=self.age_holder))
self.ai2_enc_loss = tf.reduce_mean(
tf.nn.softmax_cross_entropy_with_logits(logits=ai2,
labels=tf.ones_like(ai2) /
age_size))
train_cls = tf.train.AdamOptimizer(0.000).minimize(self.ai2_cls_loss,\
var_list=M.get_all_vars('age_cls'))
train_enc = tf.train.AdamOptimizer(0.000).minimize(self.ai2_enc_loss,\
var_list=M.get_all_vars('encoder'))
with tf.control_dependencies([train_cls, train_enc]):
self.train_ai2 = tf.no_op()
def build_loss_mc(self, generated, target):
mc_loss = tf.reduce_mean(tf.abs(generated - target))
train_mc = tf.train.AdamOptimizer(0.0000, beta1=0.5).minimize(
mc_loss, var_list=M.get_all_vars('gen_att'))
# train_mc = tf.no_op()
with tf.control_dependencies([train_mc]):
train_mc = tf.no_op()
return mc_loss, train_mc
def __init__(self, class_num):
img_holder = tf.placeholder(tf.float32, [None, 460, 460, 3])
with tf.variable_scope('bg_fg'):
net_bgfg = network_bg_fg(img_holder)
with tf.variable_scope('seg_part'):
bg_fg_upsample = tf.nn.softmax(
tf.image.resize_images(net_bgfg.seg_layer,
img_holder.get_shape().as_list()[1:3]),
1)[:, :, :, 1]
print(bg_fg_upsample)
input('pause')
net_seg = network_seg(img_holder, class_num, bg_fg_upsample)
with tf.variable_scope('inst_part'):
net_inst = network_inst(
img_holder, class_num,
tf.nn.softmax(
tf.image.resize_images(net_bgfg.seg_layer,
tf.shape(img_holder)[1:3]),
1)[:, :, :, 1],
tf.image.resize_images(net_seg.seg_layer,
tf.shape(img_holder)[1:3]))
self.net_bgfg = net_bgfg
self.net_seg = net_seg
self.net_inst = net_inst
self.img_holder = img_holder
self.mask_out = tf.image.resize_images(net_bgfg.seg_layer,
tf.shape(img_holder)[1:3])
self.seg_out = tf.image.resize_images(net_seg.seg_layer,
tf.shape(img_holder)[1:3])
self.inst_num_out = net_inst.inst_layer
self.coord_out = net_inst.coord_layer
self.sess = tf.Session()
M.loadSess('./savings_bgfg/',
sess=self.sess,
init=True,
var_list=M.get_all_vars('bg_fg'))
M.loadSess('./savings_seg/',
sess=self.sess,
var_list=M.get_all_vars('seg_part'))
M.loadSess('./savings_inst/',
sess=self.sess,
var_list=M.get_all_vars('inst_part'))
def build_loss_mc(self):
self.mc_loss = tf.reduce_mean(
tf.abs(self.generated - self.target_holder))
train_mc = tf.train.AdamOptimizer(0.001).minimize(self.mc_loss,\
#var_list=M.get_all_vars('encoder')+M.get_all_vars('gen_att'))
var_list=M.get_all_vars('gen_att'))
with tf.control_dependencies([train_mc]):
self.train_mc = tf.no_op()
def build_loss_adv2(self, adv2, adv2_real):
adv2_loss1 = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(
logits=adv2, labels=tf.zeros_like(adv2)))
adv2_loss2 = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(
logits=adv2_real, labels=tf.ones_like(adv2_real)))
self.adv2_loss_d = 0.5 * (adv2_loss1 + adv2_loss2)
self.adv2_loss_g = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(logits=adv2,
labels=tf.ones_like(adv2)))
train_adv2_d = tf.train.AdamOptimizer(0.0001).minimize(self.adv2_loss_d,\
var_list=M.get_all_vars('discriminator'))
train_adv2_g = tf.train.AdamOptimizer(0.0001).minimize(self.adv2_loss_g,\
var_list=M.get_all_vars('gen_att'))
with tf.control_dependencies([train_adv2_d, train_adv2_g]):
self.train_adv2 = tf.no_op()
def build_loss_adv1(self, adv1, adv1_uni):
adv1_loss1 = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(
logits=adv1, labels=tf.zeros_like(adv1)))
adv1_loss2 = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(
logits=adv1_uni, labels=tf.ones_like(adv1_uni)))
self.adv1_loss_d = 0.5 * (adv1_loss1 + adv1_loss2)
self.adv1_loss_g = tf.reduce_mean(
tf.nn.sigmoid_cross_entropy_with_logits(logits=adv1,
labels=tf.ones_like(adv1)))
# opt_adv1 = M.get_update_ops('encoder') + M.get_update_ops('dis_f')
train_adv1_d = tf.train.AdamOptimizer(0.00001).minimize(self.adv1_loss_d,\
var_list=M.get_all_vars('dis_f'))
train_adv1_g = tf.train.AdamOptimizer(0.00005).minimize(self.adv1_loss_g,\
var_list=M.get_all_vars('encoder'))
with tf.control_dependencies([train_adv1_g, train_adv1_d]):
self.train_adv1 = tf.no_op()
def get_assign_tensors():
v = M.get_all_vars()
print(len(v))
with open('buffer_weights.pickle','rb') as f:
fmat = pickle.load(f)
assign_tensor = []
# fmat = sio.loadmat('layer1')
for i in range(640):
buff = fmat[str(i)]
# buff = np.float32(buff)
if len(buff.shape)==2:
buff = buff[0]
bufftensor = tf.assign(v[i],buff)
assign_tensor.append(bufftensor)
return assign_tensor
def __init__(self, model_path='./aim_model_gen/'):
self.model_path = model_path
self.inp_holder = tf.placeholder(tf.float32, [None, 128, 128, 3])
self.age_holder = tf.placeholder(tf.float32, [None, 1])
self.age_holder2 = tf.placeholder(tf.float32, [None, 1])
# get attention A and C
age_expanded = self.expand(self.age_holder, self.inp_holder)
aged_feature = tf.concat([age_expanded, self.inp_holder], -1)
A, C = N.generator_att(aged_feature)
# construct synthesized image
generated = A * C + (1. - A) * self.inp_holder
# get attention A2 and C2
age_expanded2 = self.expand(self.age_holder2, generated)
aged_feature2 = tf.concat([age_expanded2, generated], -1)
A2, C2 = N.generator_att(aged_feature2)
generated2 = A2 * C2 + (1. - A2) * generated
# retrieve tensor for adv2 and ae
adv2, age_pred = N.discriminator(generated)
adv2_real, age_pred_real = N.discriminator(self.inp_holder)
adv2_2, age_pred2 = N.discriminator(generated2)
feat = N.feat_encoder(self.inp_holder)
feat1 = N.feat_encoder(generated)
feat2 = N.feat_encoder(generated2)
self.feat_loss = tf.reduce_mean(
tf.square(feat - feat1) + tf.square(feat - feat2))
self.train_feat = tf.train.AdamOptimizer(0.00001).minimize(
self.feat_loss, var_list=M.get_all_vars('gen_att'))
# get gradient penalty
# gamma1 = tf.random_uniform([],0.0,1.0)
# interp1 = gamma1 * generated + (1. - gamma1) * self.inp_holder
# interp1_y, _ = N.discriminator(interp1, 7)
# grad_p1 = tf.gradients(interp1_y, interp1)[0]
# grad_p1 = tf.sqrt(tf.reduce_sum(tf.square(grad_p1),axis=[1,2,3]))
# grad_p1 = tf.reduce_mean(tf.square(grad_p1 - 1.) * 10.)
# gamma2 = tf.random_uniform([],0.0,1.0)
# interp2 = gamma2 * generated + (1. - gamma2) * self.inp_holder
# interp2_y, _ = N.discriminator(interp2, 7)
# grad_p2 = tf.gradients(interp2_y, interp2)[0]
# grad_p2 = tf.sqrt(tf.reduce_sum(tf.square(grad_p2),axis=[1,2,3]))
# grad_p2 = tf.reduce_mean(tf.square(grad_p2 - 1.) * 10.)
grad_p1 = grad_p2 = 0.
# call loss builder functions
self.mc_loss, self.train_mc = self.build_loss_mc(
generated2, self.inp_holder)
self.adv2_loss_d1, self.adv2_loss_g1, self.train_adv2_1 = self.build_loss_adv2(
adv2, adv2_real, grad_p1)
self.adv2_loss_d2, self.adv2_loss_g2, self.train_adv2_2 = self.build_loss_adv2(
adv2_2, adv2_real, grad_p2)
self.age_cls_loss_dis, self.train_ae_dis = self.build_loss_ae_dis(
age_pred_real, self.age_holder2)
self.age_cls_loss_gen, self.train_ae_gen = self.build_loss_ae_gen(
age_pred, self.age_holder)
self.age_cls_loss_gen2, self.train_ae_gen2 = self.build_loss_ae_gen(
age_pred2, self.age_holder2)
self.loss_A, self.train_A = self.build_loss_A(A)
self.loss_A2, self.train_A2 = self.build_loss_A(A2)
self.update_ops()
self.accuracy = M.accuracy(age_pred_real,
tf.argmax(self.age_holder2, -1))
self.A1_l, self.A2_l = tf.reduce_mean(tf.square(A)), tf.reduce_mean(
tf.square(A2))
self.generated = generated
self.A, self.C = A, C
self.sess = tf.Session()
M.loadSess(model_path, self.sess, init=True)
M.loadSess('./aim_model/',
self.sess,
var_list=M.get_all_vars('encoder'))
self.saver = tf.train.Saver()
def __init__(self, inp_holder):
self.feature_maps = self.build_model(inp_holder)
self.feature_layer = self.feature_maps[-1]
self.var = M.get_all_vars('WideRes')
def build_loss_A(self):
tv_loss = tf.reduce_mean(tf.image.total_variation(self.A))
l2_reg = tf.reduce_mean(tf.square(self.A))
self.loss_A = tv_loss / (128 * 128) + l2_reg * 0.01
self.train_A = tf.train.AdamOptimizer(0.000001).minimize(self.loss_A,\
var_list=M.get_all_vars('gen_att'))