def __init__(self, h=8, d_k=64, d_v=64, d_model=512, d_inner_hid=2048):
super(EncoderLayer, self).__init__()
self._mha = MultiHeadAttention(h=h, d_k=d_k, d_v=d_v, d_model=d_model)
self._ln_a = LayerNormalization()
self._psfw = PositionWiseFeedForward(d_model=d_model, d_ff=d_inner_hid)
self._ln_b = LayerNormalization()
self._add_a = Add()
self._add_b = Add()
def __init__(self, embed_dim, num_heads, ff_dim, rate=0.1):
super(TransformerBlock, self).__init__()
self.att = MultiHeadAttention(num_heads=num_heads, key_dim=embed_dim)
self.ffn = Sequential(
[Dense(ff_dim, activation="relu"),
Dense(embed_dim)])
self.layernorm1 = LayerNormalization(epsilon=1e-6)
self.layernorm2 = LayerNormalization(epsilon=1e-6)
self.dropout1 = Dropout(rate)
self.dropout2 = Dropout(rate)
def __init__(self, ff_units, embedding_dim, num_words, n_heads, dropout_rate=0):
super(EncoderBlock, self).__init__()
self.ff = FeedForward(units=ff_units, input_dim=embedding_dim, dropout_rate=dropout_rate)
#Multi Head Attention in transformers gives the transformer an understanding of how each word is dependent on the rest of the words in the sentence
#However, attention layers for each word often output their respective word as unreasonably important, not giving much information on the other words
#So, the outputs of the attention layer are repeated n_heads amount of times, and averaged out
self.attention = MultiHeadAttention(num_heads=n_heads, key_dim=num_words)
self.norm1, self.norm2 = LayerNormalization(), LayerNormalization()
self.dropout1, self.dropout2 = Dropout(dropout_rate), Dropout(dropout_rate)
def build_discriminator(n_var):
model = tf.keras.Sequential()
model.add(Dense(n_var*5, use_bias=True))
model.add(LayerNormalization())
model.add(LeakyReLU())
model.add(Dropout(0.2))
model.add(Dense(n_var*15))
model.add(LayerNormalization())
model.add(LeakyReLU())
model.add(Flatten())
model.add(Dense(1))
return model
def __init__(self, d_model, num_heads, dff, rate=0.1):
super(DecoderLayer, self).__init__()
self.mmha1 = MultiHeadAttentionLayer(d_model, num_heads)
self.mha2 = MultiHeadAttentionLayer(d_model, num_heads)
self.ffn = self.point_wise_feed_forward_network(d_model, dff)
self.norm_layer1 = LayerNormalization(epsilon=1e-6)
self.norm_layer2 = LayerNormalization(epsilon=1e-6)
self.norm_layer3 = LayerNormalization(epsilon=1e-6)
self.drop_layer1 = Dropout(rate)
self.drop_layer2 = Dropout(rate)
self.drop_layer3 = Dropout(rate)
def LSTM_Multi(n_timesteps, rate, time=None, dropout=None, cater=None):
model = Sequential()
opt = Adagrad(learning_rate=rate) #how we change the weights
#opt = tf.keras.optimizers.Adam(learning_rate=rate)
loss = 'sparse_categorical_crossentropy'
if cater is True:
loss = 'categorical_crossentropy' #how wrong we are
if time is False:
#model.add(LSTM(64,input_shape = (n_timesteps,1),return_sequences= True))
model.add(LSTM(64, input_shape=(n_timesteps, 1)))
if time is True:
model.add(LSTM(64, input_shape=(n_timesteps, 2)))
#model.add(Dense(100,activation='relu'))
#model.add(BatchNormalization())
if dropout is True:
model.add(layers.Dropout(0.5))
model.add(LayerNormalization())
# model.add(LSTM(64,return_sequences=True))
# model.add(LSTM(32,return_sequences=True))
#model.add(LSTM(32))
model.add(Dense(5,
activation='softmax')) #final layer with 5 output classes
model.compile(loss=loss, optimizer=opt, metrics=['accuracy'])
model.summary()
return model
def create_model(self):
Z = Input(shape=(self.samples, self.nmic),
dtype=tf.float32) # shape = (nbatch, nsamples, nmic)
R = Input(shape=(self.samples, ),
dtype=tf.float32) # shape = (nbatch, nsamples)
pid = Input(shape=(1, ), dtype=tf.int32) # shape = (nbatch,)
# statistic adaption
X = Adaption(kernel_size=self.wlen,
ndoa=self.ndoa)([Z, pid[:, 0]
]) # shape = (nbatch, nsamples, nmic)
# fast convolution
X = Lambda(self.forward)(X) # shape = (nbatch, nfram, wlen*nmic)
H = Dense(units=self.nbin,
activation='linear')(X) # shape = (nbatch, nfram, nbin)
# beamforming
X = LayerNormalization()(H)
X = Bidirectional(
LSTM(units=self.nbin, activation='tanh', return_sequences=True))(X)
X = Dense(units=self.nbin,
activation='tanh')(X) # shape = (nbatch, nfram, nbin)
G = Dense(units=self.nbin,
activation='linear')(X) # shape = (nbatch, nfram, nbin)
Y, Py = Lambda(self.bf_filter)([H, G])
# fast deconvolution
Y = Dense(units=self.wlen,
activation='linear')(Y) # shape = (nbatch, nfram, wlen)
Y = Lambda(self.inverse)(Y) # shape = (nbatch, samples)
cost = Lambda(self.cost)([R, Y])
self.model = Model(inputs=[Z, R, pid], outputs=[Py, Y, cost])
def build_discriminator(n_var):
model = tf.keras.Sequential()
model.add(Dense(5, input_shape=(20, n_var, 1)))
model.add(Flatten())
model.add(LayerNormalization())
model.add(LeakyReLU())
model.add(Dropout(0.2))
model.add(Dense(5 * 2 * 16))
model.add(LayerNormalization())
model.add(LeakyReLU())
model.add(Dropout(0.2))
model.add(Dense(5 * 2 * 16))
model.add(Dense(1))
return model
def build_Embedded(self, action_space=6, dueling=True):
self.network_size = 256
X_input = Input(shape=(self.REM_STEP*99) )
# X_input = Input(shape=(self.REM_STEP*7,))
input_reshape=(self.REM_STEP,99)
X = X_input
truncatedn_init = initializers.TruncatedNormal(0, 1e-2)
x_init = "he_uniform"
y_init = initializers.glorot_uniform()
const_init = initializers.constant(1e-2)
X_reshaped = Reshape(input_reshape)(X_input)
X = LayerNormalization(axis=2)(X_reshaped)
X = LayerNormalization(axis=1)(X)
X = Reshape((2,-1))(X)
X = Dense(self.network_size*2, kernel_initializer=y_init, activation ="relu")(X)
X = Dense(256, kernel_initializer=y_init, activation ="relu")(X)
X = TimeDistributed(Dense(self.network_size/4, kernel_initializer=y_init,activation ="relu"))(X)
X = Flatten()(X)
if dueling:
state_value = Dense(
1, activation ="softmax")(X)
state_value = Lambda(lambda s: K.expand_dims(
s[:, 0], -1), output_shape=(action_space,))(state_value)
action_advantage = Dense(
action_space, activation ="linear") (X)
action_advantage = Lambda(lambda a: a[:, :] - K.mean(
a[:, :], keepdims=True), output_shape=(action_space,))(action_advantage)
X = Add()([state_value, action_advantage])
else:
# Output Layer with # of actions: 2 nodes (left, right)
X = Dense(action_space, activation="relu",
kernel_initializer='he_uniform')(X)
model = Model(inputs=X_input, outputs=X, name='build_Embedded')
model.compile(loss=huber_loss, optimizer=Adam(
lr=self.learning_rate), metrics=["accuracy"])
# model.compile(loss="mean_squared_error", optimizer=Adam(lr=0.00025,epsilon=0.01), metrics=["accuracy"])
model.summary()
return model
def __init__(self, ff_units, input_length, embedding_dim, num_chars,
n_heads, dropout_rate):
super(DecoderBlock, self).__init__()
#The main focus on the __init__ function is to prepare all of the layers to be called on the input
self.ff = FeedForward(units=ff_units,
input_dim=embedding_dim,
dropout_rate=dropout_rate)
#Using the mask_attention from before, we will create a self.mask variable to generate an input_length*input_length array to be used by the masked attention layer
self.mask = mask_attention(input_length)
self.masked_attention = MultiHeadAttention(num_heads=n_heads,
key_dim=num_chars)
self.attention = MultiHeadAttention(num_heads=n_heads,
key_dim=num_chars)
self.norm1, self.norm2, self.norm3 = LayerNormalization(
), LayerNormalization(), LayerNormalization()
#The constant dropouts used here will help with reducing overfitting, which can happen easily in decoders
self.dropout1, self.dropout2, self.dropout3 = Dropout(
dropout_rate), Dropout(dropout_rate), Dropout(dropout_rate)
def get_model(train=True):
"""
Parameters
----------
reload_model : bool
Load saved model or retrain it
"""
if not train:
return load_model(
MODEL_PATH,
custom_objects={'LayerNormalization': LayerNormalization})
training_generator = DataGenerator(DATASET_PATH, CLIP_LEN, STRIDE, DIM,
BATCH_SIZE, N_CHANNELS, SHUFFLE)
seq = Sequential()
seq.add(
TimeDistributed(Conv2D(16, (11, 11), strides=4, padding="same"),
batch_input_shape=(None, *DIM, N_CHANNELS)))
seq.add(LayerNormalization())
seq.add(TimeDistributed(Conv2D(8, (8, 8), strides=2, padding="same")))
seq.add(LayerNormalization())
######
seq.add(ConvLSTM2D(8, (3, 3), padding="same", return_sequences=True))
seq.add(LayerNormalization())
seq.add(ConvLSTM2D(4, (3, 3), padding="same", return_sequences=True))
seq.add(LayerNormalization())
seq.add(ConvLSTM2D(8, (3, 3), padding="same", return_sequences=True))
seq.add(LayerNormalization())
######
seq.add(
TimeDistributed(Conv2DTranspose(8, (8, 8), strides=2, padding="same")))
seq.add(LayerNormalization())
seq.add(
TimeDistributed(
Conv2DTranspose(16, (11, 11), strides=4, padding="same")))
seq.add(LayerNormalization())
seq.add(
TimeDistributed(
Conv2D(1, (11, 11), activation="sigmoid", padding="same")))
print(seq.summary())
seq.compile(loss='mse',
optimizer=keras.optimizers.Adam(lr=1e-4,
decay=1e-5,
epsilon=1e-6))
seq.fit(x=training_generator,
epochs=EPOCHS,
verbose=True,
workers=0,
use_multiprocessing=False)
seq.save(MODEL_PATH)
return seq
def residualConv(self,
X,
kernel_size,
dilation_rate=1,
activation='softplus'):
Z = Conv1D(filters=X.shape[-1],
kernel_size=kernel_size,
activation=activation,
padding='same',
dilation_rate=dilation_rate)(X)
Z = LayerNormalization()(Z) + X
return Z
def create_model(self):
Py = Input(shape=(None, self.nbin), dtype=tf.float32) # shape = (nbatch, nfram, nbin)
sid = Input(shape=(1,), dtype=tf.int32) # shape = (nbatch, 1)
# identification
X = Dense(units=self.ndim*2, activation='softplus')(Py)
X = LayerNormalization(axis=1, center=False, scale=False)(X)
X = self.residualConv(X, kernel_size=10, dilation_rate=1)
X = self.residualConv(X, kernel_size=10, dilation_rate=2)
X = self.residualConv(X, kernel_size=10, dilation_rate=4)
X = self.residualConv(X, kernel_size=10, dilation_rate=8)
X = self.residualConv(X, kernel_size=10, dilation_rate=16)
X = self.residualConv(X, kernel_size=10, dilation_rate=32)
X = Lambda(self.average_pool)(X)
E = Dense(units=self.ndim, activation='linear')(X) # shape = (nbatch, ndim)
cost = Lambda(self.cost)([E, sid])
self.model = Model(inputs=[Py, sid], outputs=[E, cost])
def ANN(self):
#self.dataset = pd.read_csv(self.fileName, sep=";", decimal=",")
x = self.dataset.iloc[:, :7].values
y = self.dataset.iloc[:, 7].values
self.X = x
# Normalization
sc = MinMaxScaler()
x = sc.fit_transform(x)
y = y.reshape(-1, 1)
y = sc.fit_transform(y)
# Splitting the dataset into the Training set and Test set
x_train, x_test, y_train, self.y_test = train_test_split(x, y, test_size=0.10, random_state=4)
x_train, x_val, y_train, y_val = train_test_split(x, y, test_size=0.05, random_state=4)
# built Keras sequential model
model = Sequential()
# add batch normalization
model.add(LayerNormalization())
# Adding the input layer:
model.add(Dense(7, input_dim=x_train.shape[1], activation='relu'))
# the first hidden layer:
model.add(Dense(12, activation='relu'))
# Adding the output layer
model.add(Dense(1, activation='sigmoid'))
# Compiling the ANN
model.compile(optimizer='adam', loss='mean_squared_error', metrics=['mse', 'mae', rmse, r_square])
# enable early stopping based on mean_squared_error
earlystopping = EarlyStopping(monitor="mse", patience=40, verbose=1, mode='auto')
# Fit model
self.result = model.fit(x_train, y_train, batch_size=100, epochs=1000, validation_data=(x_test, self.y_test),
callbacks=[earlystopping])
# result = model.fit(x_train, y_train, batch_size=100, epochs=1000, validation_data=(x_test, y_test),
# callbacks=[earlystopping])
# get predictions
self.y_pred = model.predict(x_test)
self.y_x_pred = model.predict(x)
self.Y = sc.inverse_transform(self.y_x_pred)
# -----------------------------------------------------------------------------
# print statistical figures of merit
# -----------------------------------------------------------------------------
import sklearn.metrics, math
self.textBrowser_2.setText(
f"Mean absolute error (MAE): {sklearn.metrics.mean_absolute_error(self.y_test, self.y_pred)}" )
self.textBrowser_2.append(
f"Mean squared error (MSE): {sklearn.metrics.mean_squared_error(self.y_test, self.y_pred)}")
self.textBrowser_2.append(f"Root mean squared error (RMSE): {math.sqrt( sklearn.metrics.mean_squared_error(self.y_test, self.y_pred))}")
self.textBrowser_2.append(
f"R square (R^2): {sklearn.metrics.r2_score(self.y_test, self.y_pred)}")
self.dataset['Thwo_Predict'] = self.Y
self.newFile = "newCsvFile.xlsx"
self.dataset.to_excel(self.newFile, index=False)
def define_generator(n_blocks):
model_list = list()
# input
ly0 = Input(shape=(1, 100, 2))
featured = Conv2D(128, (1, 2),
strides=(1, 2),
padding='valid',
kernel_initializer='he_normal')(ly0)
# bloque 1 deconvolusion
g_1 = Conv2DTranspose(4, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_1 = Dense(8)(g_1)
g_1 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(g_1)
g_1 = Dense(32)(g_1)
g_1 = Conv2DTranspose(64, (1, 15),
strides=(1, 15),
padding='valid',
kernel_initializer='he_normal')(g_1)
op_1 = Dense(128)(g_1)
# bloque 2 deconvolusion
g_2 = Conv2DTranspose(4, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_2 = Dense(8)(g_2)
g_2 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(g_2)
g_2 = Dense(32)(g_2)
g_2 = Conv2DTranspose(64, (1, 15),
strides=(1, 15),
padding='valid',
kernel_initializer='he_normal')(g_2)
op_2 = Dense(128)(g_2)
# bloque 3 deconvolusion
g_3 = Conv2DTranspose(4, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_3 = Dense(8)(g_3)
g_3 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(g_3)
g_3 = Dense(32)(g_3)
g_3 = Conv2DTranspose(64, (1, 15),
strides=(1, 15),
padding='valid',
kernel_initializer='he_normal')(g_3)
op_3 = Dense(128)(g_3)
# bloque 4 deconvolusion
g_4 = Conv2DTranspose(4, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_4 = Dense(8)(g_4)
g_4 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(g_4)
g_4 = Dense(32)(g_4)
g_4 = Conv2DTranspose(64, (1, 15),
strides=(1, 15),
padding='valid',
kernel_initializer='he_normal')(g_4)
op_4 = Dense(128)(g_4)
#combinar canales
sumarized_blocks = Add()([op_1, op_2, op_3, op_4])
sumarized_blocks = Dense(256)(sumarized_blocks)
sumarized_blocks = Dense(64)(sumarized_blocks)
sumarized_blocks = Dense(8)(sumarized_blocks)
sumarized_blocks = Dense(2)(sumarized_blocks)
wls = LayerNormalization(axis=[1, 2, 3])(sumarized_blocks)
model = Model(ly0, wls)
# store model
model_list.append([model, model])
# create submodels
for i in range(1, n_blocks):
# get prior model without the fade-on
old_model = model_list[i - 1][0]
# create new model for next resolution
models = add_generator_block(old_model)
# store model
model_list.append(models)
return model_list
def build_1CNNBase(self, action_space=6, dueling=True):
self.network_size = 256
X_input = Input(shape=(self.REM_STEP*90) )
# X_input = Input(shape=(self.REM_STEP*7,))
input_reshape=(self.REM_STEP,90)
X = X_input
truncatedn_init = initializers.TruncatedNormal(0, 1e-2)
x_init = initializers.GlorotNormal()
y_init = initializers.glorot_uniform()
const_init = initializers.constant(1e-2)
X_reshaped = Reshape(input_reshape)(X_input)
# slice2 = Permute((2,1))(slice2)
#normailsation for each layer
normlayer_0 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.0001,center=False,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones" )
normlayer_1 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
normlayer_2 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
normlayer_3 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
X = normlayer_0(X_reshaped)
# X = TimeDistributed(Dense(128, activation ="relu", kernel_initializer='he_uniform',))(X)
#
# cnn2 = TimeDistributed(Dense(64, kernel_initializer='he_uniform',))(X)
# cnn2 = LeakyReLU(.4)(cnn2)
# cnn2 = MaxPooling1D(2)(cnn2)
# cnn2 = Flatten()(cnn2)
# cnn2 = LocallyConnected1D(filters=64, kernel_initializer='he_uniform', kernel_size=2)(X)
# cnn2 = LeakyReLU(0.3)(cnn2)
# cnn2 = LocallyConnected1D(filters=64, kernel_initializer='he_uniform', kernel_size=2)(X)
# cnn2 = Dense(128,activation="relu", kernel_initializer='he_uniform', )(cnn2)
# cnn2 = Flatten()(cnn2)
# X = Dense(32,
# kernel_initializer='he_uniform',activation ="relu")(X)
# X = normlayer_3(X)
# X = Dense(64,
# kernel_initializer='he_uniform',activation =LeakyReLU(.3))(X)
X = Flatten()(X)
X = Dense(512, activation =LeakyReLU(.1), kernel_initializer=x_init)(X)
X = Dense(256, activation =LeakyReLU(.1), kernel_initializer=x_init)(X)
if dueling:
state_value = Dense(
1, kernel_initializer=x_init , activation ="softmax")(X)
state_value = Lambda(lambda s: K.expand_dims(
s[:, 0], -1), output_shape=(action_space,))(state_value)
action_advantage = Dense(
action_space, kernel_initializer=x_init, activation = "linear") (X)
action_advantage = Lambda(lambda a: a[:, :] - K.mean(
a[:, :], keepdims=True), output_shape=(action_space,))(action_advantage)
X = Add()([state_value, action_advantage])
else:
# Output Layer with # of actions: 2 nodes (left, right)
X = Dense(action_space, activation="relu",
kernel_initializer='he_uniform')(X)
model = Model(inputs=X_input, outputs=X, name='build_TMaxpoolin_3')
model.compile(loss=tf.keras.losses.Huber(delta=2), metrics=['mean_absolute_error','accuracy'] ,optimizer=Adam(
lr=self.learning_rate))
# model.compile(loss="mean_squared_error", optimizer=Adam(lr=0.00025,epsilon=0.01), metrics=["accuracy"])
model.summary()
return model
def add_generator_block(old_model):
# get the end of the last block
block_end = old_model.layers[-2].output
# upsample, and define new block
upsampling = UpSampling2D()(block_end)
featured = Conv2D(128, (2, 2),
strides=(2, 2),
padding='valid',
kernel_initializer='he_normal')(upsampling)
# bloque 1 deconvolusion
g_1 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_1 = Dense(32)(g_1)
g_1 = Conv2DTranspose(64, (1, 2),
strides=(1, 2),
padding='valid',
kernel_initializer='he_normal')(g_1)
op_1 = Dense(128)(g_1)
# bloque 2 deconvolusion
g_2 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_2 = Dense(32)(g_2)
g_2 = Conv2DTranspose(64, (1, 2),
strides=(1, 2),
padding='valid',
kernel_initializer='he_normal')(g_2)
op_2 = Dense(128)(g_2)
# bloque 3 deconvolusion
g_3 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_3 = Dense(32)(g_3)
g_3 = Conv2DTranspose(64, (1, 2),
strides=(1, 2),
padding='valid',
kernel_initializer='he_normal')(g_3)
op_3 = Dense(128)(g_3)
# bloque 4 deconvolusion
g_4 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_4 = Dense(32)(g_4)
g_4 = Conv2DTranspose(64, (1, 2),
strides=(1, 2),
padding='valid',
kernel_initializer='he_normal')(g_4)
op_4 = Dense(128)(g_4)
# bloque 5 deconvolusion
g_5 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_5 = Dense(32)(g_5)
g_5 = Conv2DTranspose(64, (1, 2),
strides=(1, 2),
padding='valid',
kernel_initializer='he_normal')(g_5)
op_5 = Dense(128)(g_5)
# bloque 3 deconvolusion
g_6 = Conv2DTranspose(16, (2, 1),
strides=(2, 1),
padding='valid',
kernel_initializer='he_normal')(featured)
g_6 = Dense(32)(g_6)
g_6 = Conv2DTranspose(64, (1, 2),
strides=(1, 2),
padding='valid',
kernel_initializer='he_normal')(g_6)
op_6 = Dense(128)(g_6)
#sumarize
sumarized_blocks = Add()([op_1, op_2, op_3, op_4, op_5, op_6])
sumarized_blocks = Dense(256)(sumarized_blocks)
sumarized_blocks = Dense(64)(sumarized_blocks)
sumarized_blocks = Dense(8)(sumarized_blocks)
for_sum_layer = Dense(2)(sumarized_blocks)
out_image = LayerNormalization(axis=[1, 2, 3])(for_sum_layer)
# define model
model1 = Model(old_model.input, out_image)
# define new output image as the weighted sum of the old and new models
merged = WeightedSum()([upsampling, for_sum_layer])
output_2 = LayerNormalization(axis=[1, 2, 3])(merged)
# define model
model2 = Model(old_model.input, output_2)
return [model1, model2]
def FCTime_distributed_model(self, action_space=6, dueling=True):
self.network_size = 256
X_input = Input(shape=(self.REM_STEP*62) )
# X_input = Input(shape=(self.REM_STEP*7,))
input_reshape=(self.REM_STEP,62)
X = X_input
truncatedn_init = initializers.TruncatedNormal(0, 1e-2)
x_init = "he_uniform"
y_init = initializers.glorot_uniform()
const_init = initializers.constant(1e-2)
X_reshaped = Reshape(input_reshape)(X_input)
slice2 = tf.slice(X_reshaped,[0,0,0],[-1,2,8])
slice2 = Reshape((2,-1,1))(slice2)
# slice2 = Permute((2,1))(slice2)
#normailsation fort each dimension
normlayer_1 = LayerNormalization(
axis=2,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
normlayer_2 = LayerNormalization(
axis=1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
TD1 = (normlayer_1)(slice2)
# TD1 = (normlayer_2)(TD1)
# TD1 = TimeDistributed(Dense(32, activation = "tanh",bias_initializer=const_init,kernel_initializer=y_init, use_bias=True))(TD1)
# TD1 = Reshape((2,-1))(TD1)
TD1 = Dense(4, activation = "relu", kernel_initializer=y_init, bias_initializer=const_init, use_bias=True)(TD1)
TD1 = Dense(4, activation = "relu", kernel_initializer=y_init,bias_initializer=const_init,use_bias=True )(TD1)
TD1 = Flatten()(TD1)
slice3 = tf.slice(X_reshaped,[0,0,8],[-1,2,4])
slice3 = Reshape((2,-1,4))(slice3)
# slice3 = Permute((2,1))(slice3)
normlayer_1 = LayerNormalization(
axis=2,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
normlayer_2 = LayerNormalization(
axis=1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
TD2 = (normlayer_1)(slice3)
# TD2 = (normlayer_2)(TD2)
# TD2 = TimeDistributed(Dense(32, activation =PReLU(), bias_initializer=const_init,kernel_initializer=y_init,use_bias=True))(TD2)
# TD2 = Reshape((2,-1))(TD2)
TD2 = Dense(4, activation = "relu", kernel_initializer=y_init,bias_initializer=const_init,use_bias=True )(TD2)
TD2 = Dense(2, activation ="relu", kernel_initializer=y_init,bias_initializer=const_init,use_bias=True )(TD2)
TD2 = Dense(1, activation = "relu" ,kernel_initializer=y_init ,bias_initializer=const_init,use_bias=True)(TD2)
TD2 = Flatten()(TD2)
#
slice4 = tf.slice(X_reshaped,[0,0,12],[-1,2,20])
slice4 = Reshape((2,-1,4))(slice4)
# slice4 = Permute((2,1))(slice4)
normlayer_1 = LayerNormalization(
axis=2,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
normlayer_2 = LayerNormalization(
axis=1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
TD3 = (normlayer_1)(slice4)
# TD3 = (normlayer_2)(TD3)
# TD3 = TimeDistributed(Dense(32, activation =PReLU(), kernel_initializer=y_init,bias_initializer=const_init,use_bias=True))(TD3)
# TD3 = Reshape((2,-1))(TD3)
TD3 = Dense(4, activation = "relu", kernel_initializer=y_init,bias_initializer=const_init,use_bias=True )(TD3)
TD3 = Dense(2, activation = "relu",kernel_initializer=y_init,bias_initializer=const_init,use_bias=True )(TD3)
TD3 = Dense(1, activation ="relu",kernel_initializer=y_init,bias_initializer=const_init, use_bias=True)(TD3)
TD3 = Flatten()(TD3)
#
slice5 = tf.slice(X_reshaped,[0,0,32],[-1,2,-1])
slice5 = Reshape((2,-1,2))(slice5)
# slice5 = Permute((2,1))(slice5)
normlayer_1 = LayerNormalization(
axis=2,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
normlayer_2 = LayerNormalization(
axis=1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
TD4 = (normlayer_1)(slice5)
# TD4 = (normlayer_2)(TD4)
# TD4 = TimeDistributed(Dense(32, activation = PReLU() ,kernel_initializer=y_init,bias_initializer=const_init,use_bias=True))(TD4)
# TD4 = Reshape((2,-1))(TD4) "relu",
TD4 = Dense(2, activation = "relu", kernel_initializer=y_init,bias_initializer=const_init,use_bias=True )(TD4)
TD4 = Dense(1, activation = "relu", kernel_initializer=y_init,bias_initializer=const_init,use_bias=True )(TD4)
TD4 = Flatten()(TD4)
#
# R1=LSTM(64)(X_reshaped)# cnn1 = Conv1D(filters=64, kernel_size=(2),activation =LeakyReLU(.4),kernel_initializer=y_init,use_bias=True)(cnn1)
concatenated = Concatenate()([TD4,TD3,TD2,TD1])
cnn1 = (concatenated)
cnn1 = Dense(512,kernel_initializer=y_init, activation ="relu",bias_initializer=const_init,use_bias=True )(cnn1)
cnn1 = Dense(256,kernel_initializer=y_init, activation ="relu",bias_initializer=const_init,use_bias=True )(cnn1)
X= cnn1
# X = Conv2D(64, 4, strides=(2),padding="valid",activation="elu", kernel_initializer=x_init, data_format="channels_first")(X)
# X = Conv2D(128, 4, strides=(2),padding="valid",activation="elu",kernel_initializer=x_init, data_format="channels_first")(X) 3cnn
# 'Dense' is the basic form of a neural network layer
# # Input Layer of state size(4) and Hidden Layer with 512 nodes
# X = Dense(256, activation="relu", kernel_initializer=x_init)(X)
# X = Dense(64, activation="relu", kernel_initializer=x_init)(X)
# # X = Dense(64, activation="relu", kernel_initializer=x_init)(X)
# X = Dense(256, activation="relu", kernel_initializer=const_init,use_bias=True, bias_initializer=truncatedn_init)(X)
# # Hidden layer with 256 nodes
# # Hidden layer with 64 nodes
# X = Dense(64, activation="relu", kernel_initializer=truncatedn_init, bias_initializer=const_init)(X)
if dueling:
state_value = Dense(1)(X)
state_value = Lambda(lambda s: K.expand_dims(
s[:, 0], -1), output_shape=(action_space,))(state_value)
action_advantage = Dense(action_space)(X)
action_advantage = Lambda(lambda a: a[:, :] - K.mean(
a[:, :], keepdims=True), output_shape=(action_space,))(action_advantage)
X = Add()([state_value, action_advantage])
else:
# Output Layer with # of actions: 2 nodes (left, right)
X = Dense(action_space, activation="relu",
kernel_initializer='he_uniform')(X)
model = Model(inputs=X_input, outputs=X, name='Hydra-4')
model.compile(loss=tf.keras.losses.Huber(delta=3), metrics=['mean_absolute_error','accuracy'] ,optimizer=Adam(
lr=self.learning_rate))
# model.compile(loss="mean_squared_error", optimizer=Adam(lr=0.00025,epsilon=0.01), metrics=["accuracy"])
model.summary()
return model
def build_Parrallel_64(self):
self.network_size = 256
X_input = Input(shape=(self.REM_STEP*86) )
# X_input = Input(shape=(self.REM_STEP*7,))
input_reshape=(self.REM_STEP,86)
X = X_input
truncatedn_init = initializers.TruncatedNormal(0, 1e-2)
x_init = "he_uniform"
y_init = initializers.glorot_uniform()
const_init = initializers.constant(1e-2)
X_reshaped = Reshape(input_reshape)(X_input)
# slice2 = Permute((2,1))(slice2)
#normailsation fort each dimension
normlayer_1 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
normlayer_2 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",
gamma_initializer="ones")
x = normlayer_2(X_input)
x = Dense(90,activation=LeakyReLU(0.1), kernel_initializer=initializers.RandomNormal(stddev=2),
bias_initializer=truncatedn_init, use_bias = True)(x)
out_a = (x)
x = normlayer_1(X_reshaped)
x = TimeDistributed(Dense(90, activation=LeakyReLU(0.1),kernel_initializer=initializers.RandomNormal(stddev=2),
bias_initializer=truncatedn_init, use_bias = True))(x)
x = MaxPooling1D((2))(x)
x =Flatten()(x)
out_b = (x)
# x = Conv2D(4,(1,2),strides=(1,1), padding = "valid", activation="softmax", kernel_initializer=x_init , data_format="channels_first")(t)
# x = MaxPooling2D((4,2))(x)
# x = LocallyConnected2D(8 ,(2,2),strides=(1,1), padding = "valid", activation="relu", kernel_initializer=x_init , data_format="channels_first")(x)
# # x = MaxPooling2D((1,2))(x)
# # x=Dropout(0.3)(x)
# # x =Flatten()(x)
# # x = Dense(64, activation="relu")(x)
# # # x = Dense(64, activation="relu")(x)
# # out_c = Dense(64, activation='relu',
# # kernel_initializer='he_uniform')(x)
# out_c= (x)
concatenated = concatenate([out_a, out_b])
# model_final.add(Reshape((4,11,2), input_shape=(88,)))
# model_final.add(concatted)
# model_final.add(Flatten())
# model_final.add(Dense(256, activation='relu', kernel_initializer='he_uniform'))
# # model_final.add(Dense(64, activation='relu', kernel_initializer='he_uniform'))
# out_d= Dropout(0.4)(concatenated)
# out_d= MaxPooling2D((8,1))(out_d)
out_d = (concatenated)
out_d = Dense(512, activation='relu', kernel_initializer=initializers.RandomNormal(stddev=2))(out_d)
out_d = Dense(256, activation='relu', kernel_initializer=initializers.RandomNormal(stddev=2))(out_d)
state_value = Dense(1, kernel_initializer='he_uniform')(out_d)
state_value = Lambda(lambda s: K.expand_dims(
s[:, 0], -1), output_shape=(self.action_space,))(state_value)
action_advantage = Dense(
self.action_space, activation='linear', kernel_initializer='he_uniform')(out_d)
action_advantage = Lambda(lambda a: a[:, :] - K.mean(
a[:, :], keepdims=True), output_shape=(self.action_space,))(action_advantage)
out = Add()([state_value, action_advantage])
model_final = Model([X_input], out, name='Pa12_model')
model_final.compile(optimizer=Adam(
lr=self.learning_rate), loss=tf.keras.losses.Huber(delta=2.35), metrics=['mean_absolute_error','accuracy'] )
# RMSprop(lr=self.learning_rate, rho=0.95, decay=25e-5, moepsilon=self.epsilon), metrics=["accuracy"])
print(model_final.summary())
return model_final
def build_modelPar1(self, dueling=True):
self.network_size = 256
X_input = Input(shape=(self.REM_STEP*46))
# X_input = Input(shape=(self.REM_STEP*7,))
input_reshape=(self.REM_STEP,1,46)
X = X_input
truncatedn_init = initializers.TruncatedNormal(0, 1e-2)
x_init = initializers.GlorotNormal()
y_init = initializers.glorot_uniform()
const_init = initializers.constant(1e-2)
X_reshaped = Reshape((2,-1))(X_input)
normlayer_0 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",)
normlayer_1 = LayerNormalization(
axis=-1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros",gamma_initializer="ones")
normlayer_2= LayerNormalization(
axis=-1,trainable=True,epsilon =0.0001,center=True,
scale=True,
beta_initializer="zeros", gamma_initializer="ones")
const_init = initializers.constant(1e-2)
t = Reshape(input_reshape)(X)
cnn2 = (Conv2D(filters=32, activation = "relu", kernel_initializer=x_init, kernel_size=(1), strides =(2,1), padding = "valid"))(t)
cnn2 = normlayer_0(cnn2)
cnn2 = Reshape((1,-1,))(cnn2)
cnn2 = (LocallyConnected1D(filters=64, activation = "relu",kernel_initializer=x_init, kernel_size=(1), strides =(1), padding = "valid"))(cnn2)
# cnn2 = Flatten()(cnn2)
cnn1 = TimeDistributed(Dense(64, activation = "tanh" , kernel_initializer=x_init,))(X_reshaped)
cnn1 = normlayer_1(cnn1)
cnn1 = TimeDistributed(Dense(32, activation="tanh", kernel_initializer=x_init,))(cnn1)
# cnn1 = Flatten()(cnn1)
cnn1 = Reshape((1,-1,))(cnn1)
conc = concatenate([cnn1,cnn2])
f = Flatten()(conc)
w = Dense(512, activation="relu",kernel_initializer=x_init)(f)
w = Dense(256, activation="relu",kernel_initializer=x_init)(w)
state_value = Dense(1, kernel_initializer=x_init)(w)
state_value = Lambda(lambda s: K.expand_dims(
s[:, 0], -1), output_shape=(self.action_space,))(state_value)
action_advantage = Dense(
self.action_space, activation='linear', kernel_initializer=x_init)(w)
action_advantage = Lambda(lambda a: a[:, :] - K.mean(
a[:, :], keepdims=True), output_shape=(self.action_space,))(action_advantage)
out = Add()([state_value, action_advantage])
model = Model([X_input], out, name='TCnn-model_1')
if self.optimizer_model == 'Adam':
optimizer = Adam(lr=self.learning_rate, clipnorm=2.)
elif self.optimizer_model == 'RMSProp':
optimizer = RMSprop(self.learning_rate, 0.99, 0.0, 1e-6,)
else:
print('Invalid optimizer!')
model.compile(loss=tf.keras.losses.Huber(delta=10), metrics=['mean_absolute_error','accuracy'] , optimizer=optimizer)
model.summary()
return model