コード例 #1
0
    def __init__(self, sess):
        self.sess = sess
        self.global_step = tf.Variable(0.0,
                                       name='global_step',
                                       dtype=tf.float32,
                                       trainable=False)

        self.G_para = []
        self.D_para = []

        #for debug
        self.cnt_tep = 0
        self.deb_kep = 0
        self.deb_kep2 = 0

        #for data input
        self.pipline_data_train = cdata.get_pipline_data_train(
            img_size, batchsize)
        self.pipline_data_test = cdata.get_pipline_data_test(
            img_size, batchsize_test)

        #3个placeholder, img和noise,training
        self.imgs_pla = tf.placeholder(
            tf.float32,
            [batchsize, img_size_h, img_size_w, G_group_img_num * img_channel],
            name='imgs_in')
        self.training = tf.placeholder(tf.bool, name='training_in')
        print('placeholders:\n', 'img_placeholder:', self.imgs_pla,
              '\ntraining:', self.training)
        '''
        placeholders:
        img_placeholder: Tensor("imgs_in:0", shape=(12, 180, 320, 9), dtype=float32) 
        training: Tensor("training_in:0", dtype=bool)
        '''

        self.frame0 = self.imgs_pla[:, :, :, :img_channel]
        self.frame1 = self.imgs_pla[:, :, :, img_channel:img_channel * 2]
        self.frame2 = self.imgs_pla[:, :, :, img_channel * 2:]

        #这里是为了看看第一帧和第3帧的差距,用来给evalte
        self.frame_0_2_squareloss = tf.reduce_mean(tf.squared_difference(
            self.frame0, self.frame2), [1, 2, 3],
                                                   name='frame_0_2_squareloss')
        #frame0and2=tf.concat([self.frame0, self.frame2], -1) #在第三维度连接起来
        #print ('after concat:',frame0and2)
        #!!!!!!!!!!here is differs from v1,add to Generator output the ori img will reduce the generator difficulty
        self.G_net = self.Generator_net(
            self.frame0, self.frame2)  #+self.frame0  #注意这里是直接作为生成结果
        print(
            'self.G_net:', self.G_net
        )  #self.G_net: Tensor("G_Net/G_tanh:0", shape=(12, 180, 320, 3), dtype=float32)

        #D_1的输出
        frame0_False_2 = tf.concat([self.frame0, self.G_net, self.frame2], -1)
        self.D_linear_net_F, self.D_linear_net_F_logit = self.Discriminator_net_linear(
            frame0_False_2)
        self.D_linear_net_T, self.D_linear_net_T_logit = self.Discriminator_net_linear(
            self.imgs_pla)
        #下面是loss公式
        self.D_linear_net_loss_sum, self.D_linear_net_loss_T, self.D_linear_net_loss_F=self.D_loss_TandF_logits(self.D_linear_net_T_logit, \
                                                                                                                self.D_linear_net_F_logit, "D_linear_net")
        print('D1 form finished..')
        #D_2的输出
        '''
        self.D_clear_net_F, self.D_clear_net_F_logit=self.Discriminator_net_clear(self.G_net)
        self.D_clear_net_T, self.D_clear_net_T_logit=self.Discriminator_net_clear(self.frame1)
        #下面是loss公式
        self.D_clear_net_loss_sum, self.D_clear_net_loss_T, self.D_clear_net_loss_F=self.D_loss_TandF_logits(self.D_clear_net_T_logit, \
                                                                                                                self.D_clear_net_F_logit, "D_clear_net")
        
        
        '''
        self.G_loss_mean_Square = tf.reduce_mean(tf.squared_difference(
            self.G_net, self.frame1),
                                                 name='G_clear_square_loss')

        print('G_loss_mean_Square form finished..')
        #这里对两个D的loss没有特殊处理,只是简单相加
        self.D_loss_all = self.D_linear_net_loss_sum  #+ self.D_clear_net_loss_sum

        #下面是G的loss
        self.G_loss_mean_D1 = self.G_loss_F_logits(self.D_linear_net_F_logit,
                                                   'G_loss_D1')
        #self.G_loss_mean_D2=self.G_loss_F_logits(self.D_clear_net_F_logit, 'G_loss_D2')
        #这里对两个G的loss没有特殊处理,只是简单相加
        self.G_loss_all = self.G_loss_mean_D1 + self.G_loss_mean_Square * (
            1 + self.global_step / G_squareloss_rate_globalstep
        )  # self.G_loss_mean_D2

        #还是应该以tf.trainable_variables()为主
        t_vars = tf.trainable_variables()
        print("trainable vars cnt:", len(t_vars))
        self.G_para = [var for var in t_vars if var.name.startswith('G')]
        self.D_para = [var for var in t_vars if var.name.startswith('D')]

        # weight clipping
        self.clip_D = [
            p.assign(tf.clip_by_value(p, weightclip_min, weightclip_max))
            for p in self.D_para
        ]

        #训练使用
        self.train_D = self.train_op_D(decay_steps, decay_rate)
        self.train_G = self.train_op_G(decay_steps, decay_rate)
        '''
        print ('\nshow all trainable vars:',len(tf.trainable_variables()))
        for i in tf.trainable_variables():
            print (i)
        '''
        print('\nfirst show G params')
        for ind, i in enumerate(self.G_para):
            print(ind, i)

        print('\nnext is D:\n')
        for ind, i in enumerate(self.D_para):
            print(ind, i)

        print('\nnext is tf.GraphKeys.UPDATE_OPS:')
        print(tf.get_collection(tf.GraphKeys.UPDATE_OPS))

        self.summary_all = tf.summary.merge_all()
        init = tf.global_variables_initializer()  #初始化tf.Variable
        self.sess.run(init)
コード例 #2
0
 def __init__(self, sess):
     self.sess=sess
     self.global_step = tf.Variable(0, name='global_step', trainable=False)
     
     self.G_para=[]
     self.D_para=[]       
     
     #for debug
     self.cnt_tep=0
     self.deb_kep=0
     self.deb_kep2=0
     
     #for data input
     self.pipline_data_train=cdata.get_pipline_data_train(img_size, batchsize)
     self.pipline_data_test=cdata.get_pipline_data_test(img_size, batchsize_test)
     
     #3个placeholder, img和noise,training 
     self.imgs_pla = tf.placeholder(tf.float32, [batchsize, img_size_h, img_size_w, G_group_img_num*img_channel], name='imgs_in')
     self.training=tf.placeholder(tf.bool, name='training_in')
     
     self.frame0=self.imgs_pla[:,:,:,:img_channel]
     self.frame1=self.imgs_pla[:,:,:,img_channel:img_channel*2]
     self.frame2=self.imgs_pla[:,:,:,img_channel*2:]
     
     frame0and2=tf.concat([self.frame0, self.frame2], 3) #在第三维度连接起来
     #print ('after concat:',frame0and2)
     self.G_net=self.Generator_net(frame0and2)
     
     #D_1的输出 
     frame0_False_2=tf.concat([self.frame0, self.G_net,self.frame2], 3)
     self.D_linear_net_F, self.D_linear_net_F_logit=self.Discriminator_net_linear(frame0_False_2)
     self.D_linear_net_T, self.D_linear_net_T_logit=self.Discriminator_net_linear(self.imgs_pla)
     self.D_linear_net_loss_sum, self.D_linear_net_loss_T, self.D_linear_net_loss_F=self.D_loss_TandF_logits(self.D_linear_net_T_logit, \
                                                                                                             self.D_linear_net_F_logit, "D_linear_net")
     print ('D1 form finished..')
     #D_2的输出
     self.D_clear_net_F, self.D_clear_net_F_logit=self.Discriminator_net_clear(self.G_net)
     self.D_clear_net_T, self.D_clear_net_T_logit=self.Discriminator_net_clear(self.frame1)
     self.D_clear_net_loss_sum, self.D_clear_net_loss_T, self.D_clear_net_loss_F=self.D_loss_TandF_logits(self.D_clear_net_T_logit, \
                                                                                                             self.D_clear_net_F_logit, "D_clear_net")
     print ('D2 form finished..')
     #这里对两个D的loss没有特殊处理,只是简单相加
     self.D_loss_all=self.D_clear_net_loss_sum + self.D_linear_net_loss_sum
     
     #下面是G的loss
     self.G_loss_mean_D1=self.G_loss_F_logits(self.D_linear_net_F_logit, 'G_loss_D1')
     self.G_loss_mean_D2=self.G_loss_F_logits(self.D_clear_net_F_logit, 'G_loss_D2')
     self.G_loss_all=self.G_loss_mean_D1 + self.G_loss_mean_D2      
     
     #还是应该以tf.trainable_variables()为主
     t_vars=tf.trainable_variables()
     print ("trainable vars cnt:",len(t_vars))
     self.G_para=[var for var in t_vars if var.name.startswith('G')]
     self.D_para=[var for var in t_vars if var.name.startswith('D')]
     
     #训练使用
     self.train_D=self.train_op_D(decay_steps, decay_rate)
     self.train_G=self.train_op_G(decay_steps, decay_rate)  
     
     '''
     print ('\nshow all trainable vars:',len(tf.trainable_variables()))
     for i in tf.trainable_variables():
         print (i)
     '''
     print ('\nfirst show G params')
     for ind,i in enumerate(self.G_para): print (ind,i)
     
     print('\nnext is D:\n')
     for ind,i in enumerate(self.D_para): print (ind,i)
     
     print ('\nnext is tf.GraphKeys.UPDATE_OPS:')
     print (tf.get_collection(tf.GraphKeys.UPDATE_OPS))
     
     self.summary_all=tf.summary.merge_all()
     init = tf.global_variables_initializer()#初始化tf.Variable
     self.sess.run(init)