def train(data_type,
seq_length,
model,
saved_model=None,
class_limit=None,
image_shape=None,
load_to_memory=False,
batch_size=32,
nb_epoch=100):
checkpointer = ModelCheckpoint(
filepath=os.path.join('data', 'checkpoints', model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5'),
verbose=1,
save_best_only=True)
timestamp = time.time()
csv_logger = CSVLogger(os.path.join('data', 'logs', model + '-' + 'training-' + \
str(timestamp) + '.log'))
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
if load_to_memory:
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb, early_stopper, csv_logger],
epochs=nb_epoch)
else:
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[tb, early_stopper, csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=40,
workers=4)
def train(sequence_length,
image_shape,
batch_size,
nb_epoch):
filepath = os.path.join('data', 'checkpoints', 'ConvLSTM.{epoch:03d}-{mse:.5f}.hdf5')
# helper: save model
checkpointer = ModelCheckpoint(filepath = filepath,
monitor='mse',
verbose=2,
save_best_only=True,
save_weights_only=False,
mode='auto')
# helper: stop training when model converges
early_stopper = EarlyStopping(monitor='mse',
min_delta=0,
patience=10,
restore_best_weights=True)
# Get the training data
data = DataSet(
sequence_length=sequence_length,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to estimate how much data is the train set
steps_per_epoch = (len(data.data) * 0.70) // batch_size
# Multiply by 0.3 to estimate how much data is the validation set
validation_steps = (len(data.data) * 0.30) // batch_size
# Data generators
generator = data.frame_generator(batch_size, 'train', augment = True)
val_generator = data.frame_generator(batch_size, 'test', augment = False)
# Get the model
model = lstm_model()
# Train the model
history = model.fit_generator(generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=0,
callbacks=[early_stopper, checkpointer],
validation_data=val_generator,
validation_steps=validation_steps)
# Close GPU session
session.close()
def train (batch_size, nb_epoch,saved_model=None):
# model can be only 'lstm'
if settings.DATA_TYPE is "images":
model = "lrcn"
else:
model = 'lstm'
checkpointer = tf.keras.callbacks.ModelCheckpoint(
#filepath=os.path.join(settings.OUTPUT_CHECKPOINT_FOLDER, model + '.{epoch:03d}-{val_loss:.3f}.hdf5'),
filepath=os.path.join(settings.OUTPUT_CHECKPOINT_FOLDER, model + '.v1.hdf5'),
verbose=1,)
#)
# Helper: TensorBoard
tb = tf.keras.callbacks.TensorBoard(log_dir=os.path.join(settings.OUTPUT_LOG, model))
# Helper: Stop when we stop learning.
# early_stopper = EarlyStopping(patience=5)
# Helper: Save results.
timestamp = time.time()
csv_logger =tf.keras.callbacks.CSVLogger(os.path.join(settings.OUTPUT_LOG, model + '-' + 'training-' + str(timestamp) + '.log'))
data = DataSet(settings.SCRIPT_EXTRACT_SEQ_SPLIT_PATH)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = data.len_train_data()/batch_size
generator = data.frame_generator(batch_size, 'train')
val_generator = data.frame_generator(batch_size, 'valid')
from tensorflow.keras.mixed_precision import experimental as mixed_precision
policy = mixed_precision.Policy('mixed_float16')
mixed_precision.set_policy(policy)
# Get the model.
rm = RNNModels_2_1(len(settings.VIDEO_CATEGORIES_ADD), model, settings.SEQ_LEN, saved_model,settings.CNN_FEATURE_LEN)
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=1,
verbose=1,
callbacks=[tb, csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=100)
def validate(data_type,
model,
seq_length=40,
saved_model=None,
class_limit=None,
image_shape=None):
test_data_num = 1084
batch_size = 32
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
test_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
#rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
model = load_model(saved_model)
# Evaluate!
#results = rm.model.evaluate_generator(
# generator=val_generator,
# val_samples=3200)
results = model.evaluate_generator(generator=test_generator,
steps=test_data_num // batch_size)
print(results)
print(model.metrics)
print(model.metrics_names)
def validate(data_type,
model,
seq_length=40,
saved_model=None,
class_limit=None,
image_shape=None):
batch_size = 8
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Evaluate!
results = rm.model.evaluate_generator(generator=val_generator,
val_samples=3200)
print(results)
print(rm.model.metrics_names)
def validate(data_type,
model,
seq_length=125,
saved_model=None,
concat=False,
class_limit=None,
image_shape=None):
batch_size = 1
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
val_generator = data.frame_generator(batch_size, 'test', data_type, concat)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Evaluate!
prediction = rm.model.predict_generator(
generator=val_generator,
val_samples=4) #put the value as the number of test files
prediction = prediction.tolist()
print(prediction)
print("===========================")
prediction1 = pd.DataFrame(prediction).to_csv('prediction.csv')
def validate(data_type, model, seq_length=40, saved_model=None,
class_limit=None, image_shape=None):
batch_size = 32
# Get the data and process it.
if image_shape is None:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit
)
else:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape
)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Evaluate!
results = rm.model.evaluate_generator(
generator=val_generator,
val_samples=3200)
print(results)
print(rm.model.metrics_names)
def validate(data_type, model, seq_length=40, saved_model=None,
class_limit=None, image_shape=None):
batch_size = 463
# Get the data and process it.
if image_shape is None:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit
)
else:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape
)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# # Evaluate!
# results = rm.model.evaluate_generator(
# generator=val_generator,
# steps=10)
#
# print(results)
# print(rm.model.metrics_names)
print('Classification Metric for testing phase \n')
metric_calculation(val_generator, rm.model, 0)
def predict(data_type, seq_length, saved_model, image_shape, video_name, class_limit):
model = load_model(saved_model)
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length, image_shape=image_shape,
class_limit=class_limit)
# Extract the sample from the data.
#sample = data.get_frames_by_filename(video_name, data_type)
for X, y in data.frame_generator(2, 'test', "images"):
# Predict!
prediction = model.predict(X)
print(prediction)
data.print_class_from_prediction(prediction[0])
print()
data.print_class_from_prediction(prediction[1])
print('-------------------------')
def train(data_type,
seq_length,
model,
saved_model=None,
class_limit=None,
image_shape=None,
config=None):
if config is not None:
load_to_memory = config.videoLoadToMemory
batch_size = config.videoBatchSize
nb_epoch = config.videoEpochs
repo_dir = config.repoDir
feature_file_path = config.featureFileName
work_dir = config.workDir
lr = config.videoLearningRate
decay = config.videoDecay
classlist = config.classes
else:
load_to_memory = False
batch_size = 32
nb_epoch = 100
repo_dir = ''
feature_file_path = 'data/data_file.csv'
work_dir = 'data'
lr = 1e-5
decay = 1e-6
classlist = []
# Helper: Save the model.
checkpointpath = os.path.join(work_dir, 'checkpoints')
if not os.path.exists(checkpointpath):
print("Creating checkpoint folder [%s]", checkpointpath)
os.makedirs(checkpointpath)
checkpointer = ModelCheckpoint(
filepath=os.path.join(work_dir, 'checkpoints', model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5'),
verbose=1,
save_best_only=True)
# Helper: TensorBoard
logpath = os.path.join(work_dir, 'logs')
if not os.path.exists(logpath):
print("Creating log folder [%s]", logpath)
os.makedirs(logpath)
tb = TensorBoard(log_dir=os.path.join(work_dir, 'logs', model))
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=5)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger(os.path.join(logpath, model + '-' + 'training-' + \
str(timestamp) + '.log'))
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
repo_dir=repo_dir,
feature_file_path=feature_file_path,
work_dir=work_dir,
classlist=classlist)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape,
repo_dir=repo_dir,
feature_file_path=feature_file_path,
work_dir=work_dir,
classlist=classlist)
# Check if data is sufficient
if False == data.check_data(batch_size):
print("Insufficient data")
sys.exit(0)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model, lr,
decay)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb, early_stopper, csv_logger],
epochs=nb_epoch)
else:
# Use fit generator.
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[tb, early_stopper, csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=40,
workers=4)
def train(data_type,
seq_length,
model,
saved_model=None,
concat=False,
class_limit=None,
image_shape=None,
load_to_memory=False):
# Set variables.
nb_epoch = 1000
batch_size = 8
seq_length = 125
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath=os.getcwd()+'\\data\\checkpoints\\' + model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5',
verbose=2,
save_best_only=True)
lrScheduler = ReduceLROnPlateau(monitor='val_loss',
factor=0.5,
patience=1,
cooldown=1,
verbose=2)
# Helper: TensorBoard
tb = TensorBoard(log_dir=os.getcwd() + '\\data\\logs')
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=5)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger(os.getcwd()+'\\data\\logs\\' + model + '-' + 'training-' + \
str(timestamp) + '.log')
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data))
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory(batch_size, 'train', data_type,
concat)
X_test, y_test = data.get_all_sequences_in_memory(
batch_size, 'test', data_type, concat)
## pathy = os.getcwd()+'/y.npy'
## numpy.save(pathy,y)
## pathyt = os.getcwd()+'/y_test.npy'
## numpy.save(pathyt,y_test)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type,
concat)
val_generator = data.frame_generator(batch_size, 'test', data_type,
concat)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
print("research model")
print(rm.model.summary())
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
shuffle=True,
verbose=2,
callbacks=[
checkpointer, tb, early_stopper, csv_logger,
lrScheduler
],
epochs=nb_epoch)
print("from load to memory")
else:
# Use fit generator.
rm.model.fit_generator(generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=2,
shuffle=True,
callbacks=[
checkpointer, tb, early_stopper, csv_logger,
lrScheduler
],
validation_data=val_generator,
validation_steps=10)
print("from generator")
def train(data_type, seq_length, model, saved_model=None,
class_limit=None, image_shape=None,
load_to_memory=False, batch_size=32, nb_epoch=100):
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath=os.path.join('data', 'checkpoints', model + '-' + data_type + \
'.best2.hdf5'),
verbose=1,
save_best_only=True)
# Helper: TensorBoard
tb = TensorBoard(log_dir=os.path.join('data', 'logs', model))
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=5)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger(os.path.join('data', 'logs', model + '-' + 'training-' + \
str(timestamp) + '.log'))
# Get the data and process it.
if image_shape is None:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit
)
else:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape
)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Balance the class weights!
print("setting weights!:")
flashing = 0
not_flashing = 0
unknown = 0
for label in y:
if label[0]:
flashing = flashing + 1
elif label[1]:
not_flashing = not_flashing + 1
else:
unknown = unknown + 1
raw = [flashing,not_flashing,unknown]
dist = [sum(raw)/float(i) for i in raw]
class_weights = {1:dist[0], 2:dist[1], 3:dist[2]}
print(class_weights)
# Use custom metrics because acc is garbage
print("setting metrics!")
metrics = Metrics()
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(
X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb,metrics],
epochs=nb_epoch)
else:
# Use fit generator.
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[tb, early_stopper, csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=40,
workers=4)
for i, j in itertools.product(range(cm.shape[0]), range(cm.shape[1])):
plt.text(j,
i,
format(cm[i, j], fmt),
horizontalalignment="center",
color="white" if cm[i, j] > thresh else "black")
plt.ylabel('True label')
plt.xlabel('Predicted label')
plt.tight_layout()
plt.show()
data = DataSet(seq_length=36, class_limit=None)
val_generator = data.frame_generator(300, 'test', "features")
a = 0
X = []
y = []
for i, j in val_generator:
a = a + 1
X.append(i)
y.append(j)
if (a == 1):
break
model = load_model("data/checkpoints/lstm-features.012-0.180.hdf5")
predictions = model.predict(X)
predicted_classes = np.argmax(predictions, axis=1)
print(predicted_classes)
def validate(data_type, model, seq_length=60, saved_model=None,
class_limit=None, image_shape=None):
batch_size = 16
# Get the data and process it.
if image_shape is None:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit
)
else:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape
)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Evaluate!
results = rm.model.evaluate_generator(
generator=val_generator,
val_samples=15,
use_multiprocessing=True,
workers=1)
print(results)
print(rm.model.metrics_names)
#val_generator = data.frame_generator(1,'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Evaluate!
scores=np.zeros([14])
total=np.zeros([14])
val_trues=[]
val_preds=[]
for X,y in data.gen_test('test', data_type):
results = rm.model.predict(X)
predicted=np.argmax(results, axis=-1)
idx=np.where(np.array(y)==1)
true_label=idx[1]
print(true_label)
total[true_label]=total[true_label]+1
print(len(predicted))
print(len(true_label))
if predicted[0]==true_label[0]:
scores[true_label]=scores[true_label]+1
#val_preds = np.argmax(results, axis=-1)
print('Confusion Matrix')
tn, fp, fn, tp =confusion_matrix(true_label, predicted).ravel()
print("\n *** Confusion matrix**")
print(tp)
print(tn)
print(fp)
print(fn)
print('\n****************')
print(classification_report(true_label, predicted))
print(scores)
print('\n****************')
print(total)
def train(data_type,
seq_length,
model,
saved_model=None,
class_limit=None,
image_shape=None,
load_to_memory=False,
batch_size=32,
nb_epoch=100):
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath=os.path.join('data', 'checkpoints', model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5'),
verbose=1,
save_best_only=True)
# Helper: TensorBoard
tb = TensorBoard(log_dir=os.path.join('data', 'logs', model))
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=5)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger(os.path.join('data', 'logs', model + '-' + 'training-' + \
str(timestamp) + '.log'))
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb, early_stopper, csv_logger],
epochs=nb_epoch)
else:
# Use fit generator.
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[tb, early_stopper, csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=40,
workers=4)
def train(data_type, seq_length, model, saved_model_extractnet=None,saved_model_lstm=None,
concat=False, class_limit=None, image_shape=None,
load_to_memory=False):
# Set variables.
nb_epoch = 1000
batch_size = 32
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath='./data/checkpoints/' + model + '16-40-conv-lstm-mixed-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5',
verbose=1,
save_best_only=True)
# Helper: TensorBoard
tb = TensorBoard(log_dir='./data/logs')
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=10)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger('./data/logs/' + model + '-' + 'training-' + \
str(timestamp) + '.log')
# Get the data and process it.
if image_shape is None:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit
)
else:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape
)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory(batch_size, 'train', data_type)
print X.shape
X_test, y_test = data.get_all_sequences_in_memory(batch_size, 'test', data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type, concat)
val_generator = data.test_frame(batch_size, 'test', data_type, concat)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model_extractnet=saved_model_extractnet,
saved_model_lstm=saved_model_lstm)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X, y,
batch_size=batch_size,
validation_data=(X_test, y_test),
shuffle=False,
verbose=1,
callbacks=[checkpointer, tb, early_stopper, csv_logger],
epochs=nb_epoch)
else:
# Use fit generator.
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[checkpointer, tb, early_stopper, csv_logger],
validation_data=val_generator,
validation_steps=20)
print("Initializing Datasets and Dataloaders...")
data = DataSet(seq_length=seq_length)
#steps_per_epoch = (len(data.data) * 0.7) // batch_size
load_to_memory = False
data_type = 'features'
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory(batch_size, 'train', data_type)
X_test, y_test = data.get_all_sequences_in_memory(batch_size, 'test',
data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
dataloaders_dict = {'train': generator, 'val': val_generator}
model_ft, hist = train_model(
model,
dataloaders_dict,
criterion,
optimizer,
scheduler,
num_epochs=num_epochs,
steps_per_epoch=steps_per_epoch,
val_steps=val_steps,
)
def train(data_type,
seq_length,
model,
saved_model=None,
concat=False,
class_limit=None,
image_shape=None,
load_to_memory=False):
# Set variables.
nb_epoch = 1000
# 32 for LSTM; 8 for CRNN; 5 for CNN-3d
if model == 'conv_3d' or model == 'c3d':
batch_size = 5
elif model == 'crnn' or model == 'lrcn':
batch_size = 8
else:
batch_size = 32
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath='/hdd/hpc/Projects/Weather/121201_Vi/data/checkpoints/' + model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5',
verbose=1,
save_best_only=True)
# Helper: TensorBoard
tb = TensorBoard(log_dir='/hdd/hpc/Projects/Weather/121201_Vi/data/logs')
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=10)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger('/hdd/hpc/Projects/Weather/121201_Vi/data/logs/' + model + '-' + 'training-' + \
str(timestamp) + '.log')
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
#steps_per_epoch = (len(data.data) * 0.7) // batch_size
train, test, validation = data.split_train_test()
steps_per_epoch = len(train) // batch_size
if load_to_memory:
# Get data.
# X, y = data.get_all_sequences_in_memory(batch_size, 'train', data_type, concat)
# X_val, y_val = data.get_all_sequences_in_memory(batch_size, 'validation', data_type, concat)
# X_test, y_test = data.get_all_sequences_in_memory(batch_size, 'test', data_type, concat)
X, y = data.get_all_sequences_in_memory('train', data_type, concat)
X_val, y_val = data.get_all_sequences_in_memory(
'validation', data_type, concat)
X_test, y_test = data.get_all_sequences_in_memory(
'test', data_type, concat)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type,
concat)
val_generator = data.frame_generator(batch_size, 'validation',
data_type, concat)
test_generator = data.frame_generator(batch_size, 'test', data_type,
concat)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(
X,
y,
batch_size=batch_size,
validation_data=(X_val, y_val),
verbose=1,
callbacks=[checkpointer, tb, early_stopper, csv_logger],
# callbacks=[checkpointer, tb, csv_logger], #early_stopper, csv_logger],
epochs=nb_epoch)
# evaluate model
results = rm.model.evaluate(X_test,
y_test,
batch_size=batch_size,
verbose=1)
print()
print('Evaluation results on test data is:')
print(results)
print(rm.model.metrics_names)
else:
# Use fit generator.
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[checkpointer, tb, early_stopper, csv_logger],
# callbacks=[checkpointer, tb, csv_logger], #early_stopper, csv_logger],
validation_data=val_generator,
validation_steps=10)
# Evaluate!
results = rm.model.evaluate_generator(generator=test_generator,
steps=len(test) // batch_size)
print()
print('Evaluation results on test data is:')
print(results)
print(rm.model.metrics_names)
def train(data_type, seq_length, model, saved_model=None,
class_limit=None, image_shape=None,
load_to_memory=False, batch_size=32, nb_epoch=100):
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath=os.path.join('data', 'checkpoints', model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5'),
verbose=1,
save_best_only=True)
# Helper: TensorBoard
tb = TensorBoard(log_dir=os.path.join('data', 'logs', model))
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=5)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger(os.path.join('data', 'logs', model + '-' + 'training-' + \
str(timestamp) + '.log'))
# Get the data and process it.
if image_shape is None:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit
)
else:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape
)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(
X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb, early_stopper, csv_logger],
epochs=nb_epoch)
else:
# Use fit generator.
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[tb, early_stopper, csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=40,
workers=4)
def train(data_type,
seq_length,
model,
saved_model=None,
concat=False,
class_limit=None,
image_shape=None,
load_to_memory=False):
#Video-Classification-CNN-and-LSTM--master
#callbacks = [ EarlyStopping(monitor='val_loss', patience=10, verbose=0),
#ModelCheckpoint('video_1_LSTM_1_1024.h5', monitor='val_loss', save_best_only=True, verbose=0) ]
# nb_epoch = 500
# Set variables.
nb_epoch = 1000
batch_size = 32
checkpointer = ModelCheckpoint(
filepath='./data/checkpoints/' + model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5',
verbose=1,
save_best_only=True)
# filepath='./data/checkpoints/try.hdf5',
# Helper: TensorBoard
tb = TensorBoard(log_dir='./data/logs')
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=200)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger('./data/logs/' + model + '-' + 'training-' + \
str(timestamp) + '.log')
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory(batch_size, 'train', data_type,
concat)
X_test, y_test = data.get_all_sequences_in_memory(
batch_size, 'test', data_type, concat)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type,
concat)
val_generator = data.frame_generator(batch_size, 'test', data_type,
concat)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
#model.fit(train_data,train_labels,validation_data=(validation_data,validation_labels),
#batch_size=batch_size,nb_epoch=nb_epoch,callbacks=callbacks,shuffle=True,verbose=1)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[checkpointer, tb, early_stopper, csv_logger],
epochs=nb_epoch)
else:
# Use fit generator.
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[checkpointer, tb, early_stopper, csv_logger],
validation_data=val_generator,
validation_steps=10)
def train(data_type,
seq_length,
model,
saved_model=None,
class_limit=None,
image_shape=None,
load_to_memory=False,
batch_size=32,
nb_epoch=100):
#Save the Model
checkpointer = ModelCheckpoint(
filepath=os.path.join('data', 'savedmodels', model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5'),
verbose=1,
save_best_only=True)
#TensorBoard
tb = TensorBoard(log_dir=os.path.join('data', 'logs', model))
#Stop after 5 epochs when there is no progress in Learning
early_stopper = EarlyStopping(patience=5)
#Save Results in csv format
timestamp = time.time()
csv_logger = CSVLogger(os.path.join('data', 'logs', model + '-' + 'training-' + \
str(timestamp) + '.log'))
#Process the Data
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
#Get Steps per epoch
#Guess how much of data.data is Train data by multiplying with 0.7
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
#Get Data
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
#Get Generators
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
#Get Model
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
#Fit by using Standard fit
if load_to_memory:
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb, early_stopper, csv_logger],
epochs=nb_epoch)
else:
rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[tb, early_stopper, csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=40,
workers=4)
def train(data_type,
seq_length,
model,
saved_model=None,
concat=False,
class_limit=None,
image_shape=None,
load_to_memory=False):
# Set variables.
nb_epoch = 1000
batch_size = 16
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath='./data/checkpoints/' + model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5',
verbose=1,
save_best_only=True)
incepcheck = ModelCheckpoint(
filepath='./data/checkpoints/' + model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5',
verbose=1,
save_best_only=True,
save_weights_only=True)
# Helper: TensorBoard
tb = TensorBoard(log_dir='./data/logs')
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=10)
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger('./data/logs/' + model + '-' + 'training-' + \
str(timestamp) + '.log')
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory(batch_size, 'train', data_type,
concat)
X_test, y_test = data.get_all_sequences_in_memory(
batch_size, 'test', data_type, concat)
elif model == 'div_crnn':
generator = data.frame_generator2(batch_size, 'train', data_type,
concat)
val_generator = data.frame_generator2(batch_size, 'test', data_type,
concat)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type,
concat)
val_generator = data.frame_generator(batch_size, 'test', data_type,
concat)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length, saved_model)
# model_json_str = rm.model.to_json()
# open('/home/takubuntu/PycharmProjects/DL/Wake_detect/IR_classification/data/checkpoints/json_model.json','w').write(model_json_str)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[checkpointer, tb, csv_logger],
epochs=nb_epoch)
# elif model == 'inception*':
# rm.model.fit_generator(
# generator=generator,
# steps_per_epoch=steps_per_epoch,
# epochs=nb_epoch,
# verbose=1,
# callbacks=[incepcheck, tb, csv_logger],
# validation_data=val_generator,
# validation_steps=10)
else:
# Use fit generator.
rm.model.fit_generator(generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[checkpointer, tb, csv_logger],
validation_data=val_generator,
validation_steps=10)
def train(data_type, seq_length, model, learning_rate,learning_decay,saved_model=None,
class_limit=None, image_shape=None,
load_to_memory=False, batch_size=32, nb_epoch=100):
print('trainig_num is ', training_num)
if model == 'lstm_regression':
regression = 1
sequence_len = 20
monitor_par = 'val_loss'
else:
regression = 0
sequence_len = seq_length
monitor_par = 'val_acc'
# Helper: Save the model.
checkpointer = ModelCheckpoint(
filepath=os.path.join(main_folder, 'checkpoints',model+'2', model + '-{epoch:03d}.hdf5'),
#filepath=os.path.join(main_folder, 'checkpoints',model, model + '-' + data_type + \
#'.{epoch:03d}-{val_loss:.3f}.hdf5'),
monitor=monitor_par,
verbose=1,
save_best_only=True)
# # Helper: TensorBoard
# tb = TensorBoard(log_dir=os.path.join('data', 'logs', model))
# # Helper: Stop when we stop learning.
# early_stopper = EarlyStopping(patience=5)
# Helper: Save results.
#timestamp = time.time()
csv_logger = CSVLogger(os.path.join(main_folder, 'logs', model +'2'+'-' + 'training-log' + '.csv'))
# Get the data and process it.
if image_shape is None:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit
)
else:
data = DataSet(
seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape
)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
#steps_per_epoch = (len(data.data) * 0.7) // batch_size
steps_per_epoch = training_num // batch_size
print('step is: %d'%steps_per_epoch)
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type,regression)
val_generator = data.frame_generator(batch_size, 'test', data_type,regression)
# Get the model.
rm = ResearchModels(len(data.classes), model, sequence_len, learning_rate,learning_decay,saved_model)
# Fit!
if load_to_memory:
# Use standard fit.
hist = rm.model.fit(
X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[csv_logger],
epochs=nb_epoch)
else:
# Use fit generator.
hist = rm.model.fit_generator(
generator=generator,
steps_per_epoch=steps_per_epoch, # in each epoch all the training data are evaluated
epochs=nb_epoch,
verbose=1,
callbacks=[csv_logger, checkpointer],
validation_data=val_generator,
validation_steps=40,
workers=4) # if you see that GPU is idling and waiting for batches, try to increase the amout of workers
return hist
def train(data_type,
seq_length,
model,
saved_model=None,
class_limit=None,
image_shape=None,
load_to_memory=False,
batch_size=32,
nb_epoch=100,
dens_kernel_reg_l1=0.1,
dens_kernel_reg_l2=0.1,
dens_activity_reg_l1=0.1,
dens_activity_reg_l2=0.1,
conv3d_w_reg_l1=0.1,
conv3d_w_reg_l2=0.1,
conv3d_b_reg_l1=0.1,
conv3d_b_reg_l2=0.1,
conv3d_activity_reg_l1=0.1,
conv3d_activity_reg_l2=0.1):
# str of time
current_datetime = datetime.datetime.now()
str_datetime = current_datetime.strftime("%Y-%m-%d_%H-%M-%S")
# Helper: Save the model.
checkpoint_path = os.path.join('data', 'checkpoints',
EXP_NAME + '-' + model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}' + '-' + str_datetime + '.hdf5')
checkpointer = ModelCheckpoint(filepath=checkpoint_path,
verbose=1,
save_best_only=True)
# Helper: Schedule learning rate decay
def step_decay(epoch):
initial_lr = INIT_LEARNING_RATE
lr_drop_ratio = LR_DROP_RATIO
epochs_drop = EPOCHS_DROP
lr = initial_lr * math.pow(lr_drop_ratio,
math.floor((1 + epoch) / epochs_drop))
print(lr)
return lr
learning_rate = LearningRateScheduler(step_decay)
# Helper: TensorBoard
# tb = TensorBoard(log_dir=os.path.join('data', 'logs', EXP_NAME + str_datetime))
tb = LRTensorBoard(log_dir=os.path.join('data', 'logs', EXP_NAME +
str_datetime))
# Helper: Save results.
log_path = os.path.join(
'data', 'logs', EXP_NAME + '-' + 'training-' + str_datetime + '.log')
csv_logger = CSVLogger(log_path)
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(patience=PATIENTS)
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory('train', data_type)
X_test, y_test = data.get_all_sequences_in_memory('test', data_type)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type)
val_generator = data.frame_generator(batch_size, 'test', data_type)
# Get the model.
rm = ResearchModels(len(data.classes),
model,
seq_length,
saved_model,
dens_kernel_reg_l1=dens_kernel_reg_l1,
dens_kernel_reg_l2=dens_kernel_reg_l2,
dens_activity_reg_l1=dens_activity_reg_l1,
dens_activity_reg_l2=dens_activity_reg_l2,
conv3d_w_reg_l1=conv3d_w_reg_l1,
conv3d_w_reg_l2=conv3d_w_reg_l2,
conv3d_b_reg_l1=conv3d_b_reg_l1,
conv3d_b_reg_l2=conv3d_b_reg_l2,
conv3d_activity_reg_l1=conv3d_activity_reg_l1,
conv3d_activity_reg_l2=conv3d_activity_reg_l2)
# Get the optimizer:
if OPTIMIZER == 'SGD':
optimizer = keras.optimizers.SGD(lr=INIT_LEARNING_RATE,
momentum=MOMENTUM,
nesterov=False)
elif OPTIMIZER == 'RMSProp':
optimizer = keras.optimizers.RMSprop(lr=INIT_LEARNING_RATE,
epsilon=None)
elif OPTIMIZER == 'Adam':
optimizer = keras.optimizers.Adam(lr=INIT_LEARNING_RATE,
beta_1=0.9,
beta_2=0.999,
epsilon=None,
amsgrad=False)
rm.model.compile(loss=LOSS_FUNCTION,
optimizer=optimizer,
metrics=['accuracy'])
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb, early_stopper, csv_logger, learning_rate],
epochs=nb_epoch)
else:
# Use fit generator.
rm.model.fit_generator(generator=generator,
steps_per_epoch=steps_per_epoch,
epochs=nb_epoch,
verbose=1,
callbacks=[
tb, early_stopper, csv_logger, checkpointer,
learning_rate
],
validation_data=val_generator,
validation_steps=40,
workers=4)
def train(data_type,
seq_length,
model,
saved_model=None,
concat=False,
class_limit=None,
image_shape=None,
load_to_memory=True):
# Set variables.
nb_epoch = 1000000
batch_size = 32
# Helper: Save the model.
checkpointer = ModelCheckpoint( #This is for writing out the logs
filepath='./data/checkpoints/' + model + '-' + data_type + \
'.{epoch:03d}-{val_loss:.3f}.hdf5',
verbose=1,
save_best_only=True)
# Helper: TensorBoard
tb = TensorBoard(log_dir='./data/logs')
# Helper: Stop when we stop learning.
early_stopper = EarlyStopping(
patience=100000) #this number of epoches with no impovement
# Helper: Save results.
timestamp = time.time()
csv_logger = CSVLogger('./data/logs/' + model + '-' + 'training-' + \
str(timestamp) + '.log')
# Get the data and process it.
if image_shape is None:
data = DataSet(seq_length=seq_length, class_limit=class_limit)
else:
data = DataSet(seq_length=seq_length,
class_limit=class_limit,
image_shape=image_shape)
# Get samples per epoch.
# Multiply by 0.7 to attempt to guess how much of data.data is the train set.
steps_per_epoch = (len(data.data) * 0.7) // batch_size
print("Iterations per epoach", steps_per_epoch)
if load_to_memory:
# Get data.
X, y = data.get_all_sequences_in_memory('train', data_type, concat)
X_test, y_test = data.get_all_sequences_in_memory(
'test', data_type, concat)
else:
# Get generators.
generator = data.frame_generator(batch_size, 'train', data_type,
concat)
val_generator = data.frame_generator(batch_size, 'test', data_type,
concat)
# Get the model.
rm = ResearchModels(len(data.classes), model, seq_length,
saved_model) #object for the architecture we need
print(rm)
# Fit!
if load_to_memory:
# Use standard fit.
rm.model.fit(X,
y,
batch_size=batch_size,
validation_data=(X_test, y_test),
verbose=1,
callbacks=[tb, early_stopper, csv_logger],
epochs=nb_epoch)
