def build(self, dim_input, layers=None):

        start_time = time.time()
        print("build model started")
        self.x_batch = tf.placeholder(tf.float32, [None, dim_input])

        # ----------------
        # NET VGG ONLY MLP

        self.fc1 = self.fc_layer(self.x_batch, 8704, 2048, "fc1")
        self.relu1 = tf.nn.relu(self.fc1)
        #self.relu1 = tf.cond(train_mode, lambda: tf.nn.dropout(self.relu6, self.dropout), lambda: self.relu6)

        self.fc2 = self.fc_layer_sigm(self.relu1, 2048, 4, "out")
        self.probVGG = self.fc2

        # ------------------
        # AUTOENCODER GLOBAL

        self.AEGlobal = AE.AEncoder(self.weight_ae_path)
        self.AEGlobal.build(self.x_batch, layers)

        # ---------------------
        # AUTOENCODERS BY CLASS

        for i in range(self.num_class):
            self.AEclass.append(AE.AEncoder(self.weight_ae_class_paths[i]))
            self.AEclass[i].build(self.x_batch, layers)

        self.sess.run(tf.global_variables_initializer())
        print(("build model finished: %ds" % (time.time() - start_time)))
Пример #2
0
    def build(self, dim_input, layers=None):

        start_time = time.time()
        print("build model started")
        self.x_batch = tf.placeholder(tf.float32, [None, dim_input])

        # ----------------
        # NET VGG ONLY MLP

        self.fc7 = self.fc_layer(self.x_batch, 4096, 1536, "fc7")
        self.relu7 = tf.nn.relu(self.fc7)

        self.fc8 = self.fc_layer(self.relu7, 1536, 2, "fc8")
        self.probVGG = tf.nn.softmax(self.fc8, name="prob")

        # ------------------
        # AUTOENCODER GLOBAL

        self.AEGlobal = AE.AEncoder(self.weight_ae_path)
        self.AEGlobal.build(self.x_batch, layers)

        # ---------------------
        # AUTOENCODERS BY CLASS

        for i in range(self.num_class):
            self.AEclass.append(AE.AEncoder(self.weight_ae_class_paths[i]))
            self.AEclass[i].build(self.x_batch, layers)

        self.sess.run(tf.global_variables_initializer())
        print(("build model finished: %ds" % (time.time() - start_time)))
    def build(self, dim_input, layers):

        self.x_batch = tf.placeholder(tf.float32, [None, dim_input])

        for i in range(self.num_class):
            self.AEclass.append(AE.AEncoder(self.weight_paths[i]))
            self.AEclass[i].build(self.x_batch, layers)

        self.sess.run(tf.global_variables_initializer())
Пример #4
0
            def reduce_using_autoencoders(new_dim):
                layers = [[new_dim, 'relu']]
                AEncode = AE.AEncoder(path_load_weight,
                                      learning_rate=learning_rate)
                AEncode.build(x_batch, layers)
                sess.run(tf.global_variables_initializer())

                train_model(AEncode,
                            sess,
                            data_test,
                            objDatatest=data_test,
                            epoch=epoch)
                _, _, matrix = test_model(AEncode, sess, data_test, new_dim)
                print(np.shape(matrix))
                return matrix
                             max_value=Damax)
    # Load data test
    data_test = Dataset_csv(path_data=path_data_test,
                            minibatch=mini_batch_test,
                            max_value=Damax,
                            random=False)
    # data_test = Dataset_csv(path_data=path_data_train, minibatch=mini_batch_train, max_value=Damax, random=False)

    with tf.Session() as sess:

        x_batch = tf.placeholder(tf.float32, [None, 4096])
        mask = tf.placeholder(tf.float32, [None, 4096])
        noise_mode = tf.placeholder(tf.bool)

        AEncode = AE.AEncoder(path_load_weight,
                              learning_rate=learning_rate,
                              noise=noise_level)
        AEncode.build(x_batch, mask, noise_mode, [2048, 1024])
        sess.run(tf.global_variables_initializer())

        print('Original Cost: ', test_model(AEncode, sess, data_test))
        train_model(AEncode,
                    sess,
                    data_train,
                    objDatatest=data_test,
                    epoch=epoch)

        # SAVE WEIGHTs
        AEncode.save_npy(sess, path_save_weight)

        # Plot example reconstructions
    # -------------------------------------------------------------------
    # ENTRENAMOS EL AUTOENCODER CON AMBAS CLASES - GENERAMOS UN PESO BASE
    # -------------------------------------------------------------------
    print('AE TRAIN ALL')
    print('------------')

    data_train = Dataset_csv(path_data=path_data_train_all, minibatch=mini_batch_train, max_value=Damax)
    print('Load data train...')
    data_test = Dataset_csv(path_data=path_data_test_all, minibatch=mini_batch_test, max_value=Damax, random=False)
    print('Load data test...')

    with tf.Session(config=c) as sess:

        x_batch = tf.placeholder(tf.float32, [None, dim_input])

        AEncode = AE.AEncoder(path_load_weight_all, learning_rate=learning_rate_all)
        AEncode.build(x_batch, layers)
        sess.run(tf.global_variables_initializer())

        print('Original Cost: ', test_model(AEncode, sess, data_test))
        train_model(AEncode, sess, data_train, objDatatest=data_test, epoch=epoch_all)

        # SAVE WEIGHTs
        AEncode.save_npy(sess, path_save_weight_all)

    del AEncode
    del data_train
    del data_test

    # -------------------------------------------------------------------
    #       ENTRENAMOS EL AUTOENCODER CON LA CLASE 0 - BENIGNO
Пример #7
0
        data_train = Dataset_csv(path_data=path_data_train_csv, minibatch=35, max_value=Damax, random=False)
        # data_test = Dataset_csv(path_data=path_data_test_csv, minibatch=35, max_value=Damax, restrict=False, random=False)
        print('[', name, ']')

        for xdim in dims:
            print('     Dim:', xdim)

            pathFile = xpath + name + '/'

            with tf.Session() as sess:
                weight = xpath + name + '/' + 'weight-' + str(xdim) + '.npy'
                layers = [[int(origDim / 2), 'relu'], [xdim, 'relu']]

                x_batch = tf.placeholder(tf.float32, [None, origDim])
                ae = AE.AEncoder(weight, learning_rate=learning_rate)
                ae.build(x_batch, layers)
                sess.run(tf.global_variables_initializer())

                # TRAIN AENCODER
                train_model(ae, sess, data_train, epoch=epoch)
                ae.save_npy(sess, weight)

                # SAVE AENCODER
                # filenameTest = name.lower() + '-test-ae2-' + str(xdim)
                # filenameTrain = name.lower() + '-train-ae2-' + str(xdim)
                # cost_tot, cost_prom = test_model_save(ae, sess, data_train, pathFile, filenameTrain)
                # print('     TRAIN: Dim', xdim, ': ', cost_tot, ' / ', cost_prom)
                # cost_tot, cost_prom = test_model_save(ae, sess, data_test, pathFile, filenameTest)
                # print('     TEST : Dim', xdim, ': ', cost_tot, ' / ', cost_prom)
                # utils.normalization_complete([pathFile + 'output_' + filenameTest + '.csv', pathFile + 'output_' + filenameTrain + '.csv'])