def test_face_setter():
view = View()
model = Model(view)
face = Face()
model.face = face
assert model.face is face
assert view.face is face
def test_request_image():
results = []
face = Face()
callback = lambda img: results.append(img)
model = Model(View())
model.request_image(face, callback)
assert results == []
def setup_application(configuration_filename=None):
MFM.init()
view = View((500, 500))
model = Model(view)
ModelInput(model)
if configuration_filename is None:
model.start()
else:
model.start(construct_chain(configuration_filename, model))
def test_receive_image():
results = []
face = Face()
view = View()
model = Model(view)
callback = lambda img: results.append(img)
model.request_image(face, callback)
view.image = [1, 2, 3, 4]
view.callback()
assert allclose(results[0], view.image)
def test_request_images():
results = []
images = [[0]*4, [1]*4, [2]*4]
face = Face()
view = View()
model = Model(view)
callback = lambda img: results.append(img)
model.request_image(face, callback)
model.request_image(face, callback)
assert len(results) == 0
def main():
data_generator = load_data()
_history = []
device = None
model = None
criterion = None
fold_index = 0
for TEXT, LABEL, train_data, val_data in data_generator.get_fold_data(num_folds=args['num_folds']):
logger.info("***** Running Training *****")
logger.info(f"Now fold: {fold_index + 1} / {args['num_folds']}")
TEXT.build_vocab(train_data, max_size=25000, vectors="glove.6B.300d")
logger.info(f'Embedding size: {TEXT.vocab.vectors.size()}.')
LABEL.build_vocab(train_data) # For converting str into float labels.
model = Model(len(TEXT.vocab), args['embedding_dim'], args['hidden_dim'],
args['output_dim'], args['num_layers'], args['dropout'], TEXT.vocab.vectors, args["embedding_trainable"])
optimizer = optim.Adam(model.parameters())
criterion = nn.BCEWithLogitsLoss()
if args['gpu'] is True and args['gpu_number'] is not None:
torch.cuda.set_device(args['gpu_number'])
device = torch.device('cuda')
model = model.to(device)
criterion = criterion.to(device)
else:
device = torch.device('cpu')
model = model.to(device)
criterion = criterion.to(device)
train_iterator = data.Iterator(train_data, batch_size=args['batch_size'], sort_key=lambda x: len(x.text), device=device)
val_iterator = data.Iterator(val_data, batch_size=args['batch_size'], sort_key=lambda x: len(x.text), device=device)
for epoch in range(args['epochs']):
train_loss, train_acc = train_run(model, train_iterator, optimizer, criterion)
logger.info(f'| Epoch: {epoch+1:02} | Train Loss: {train_loss:.3f} | Train Acc: {train_acc*100:.2f}%')
val_loss, val_acc = eval_run(model, val_iterator, criterion)
logger.info(f'Val. Loss: {val_loss:.3f} | Val. Acc: {val_acc*100:.2f}% |')
_history.append([val_loss, val_acc])
fold_index += 1
_history = np.asarray(_history)
loss = np.mean(_history[:, 0])
acc = np.mean(_history[:, 1])
logger.info('***** Cross Validation Result *****')
logger.info(f'LOSS: {loss}, ACC: {acc}')
def __init__(self, data, header, title, parent=None):
super().__init__(parent)
layout = QVBoxLayout(self)
table_model = Model(datalist=[], header=[], parent=self)
table_model.set_list(data, header)
self.view = QtGui.QTableView(self)
self.view.setModel(table_model)
self.view.setEditTriggers(QtGui.QAbstractItemView.NoEditTriggers)
self.view.resizeColumnsToContents()
layout.addWidget(self.view)
self.setWindowTitle(title)
self.resize(500, 100)
self.setModal(True)
self.exec_()
def make_model(num_i=4, num_o=4):
"""
Create empty Model object.
Args:
num_i: int, number of inputs.
num_o: int, number of outputs.
Returns:
Model object.
"""
return Model(num_i, num_o)
def test_receive_images():
results = []
images = [[0]*4, [1]*4, [2]*4]
face = Face()
view = View()
model = Model(view)
callback = lambda img: results.append(img)
model.request_image(face, callback)
model.request_image(face, callback)
view.image = images[0]
view.callback()
assert len(results) == 1
assert allclose(results[0], images[0])
view.image = images[1]
view.callback()
assert len(results) == 2
assert allclose(results[1], images[1])
final_callback = lambda img: results.append([img])
model.request_image(face, callback)
view.image = images[2]
view.callback()
assert len(results) == 3
assert allclose(results[2], [images[2]])
def setup_application(configuration_filename=None):
MFM.init()
view = View((500, 500))
model = Model(view)
ModelInput(model)
if configuration_filename is None:
model.start()
else:
model.start(construct_chain(configuration_filename, model))
def test():
logger.info("***** Setup *****")
logger.info(f"Configs: {args}")
# make iterators
data_proceessor = DataProcessor()
test_data = data_proceessor.get_test_data(args['data_ratio'])
test_iterator = DataLoader(test_data,
batch_size=args["batch_size"],
shuffle=True)
# build a model
model = Model(input_dim=28 * 28,
hidden_dim=args['hidden_dim'],
drop_rate=args['drop_rate'])
# load weights
model_dict = model.state_dict()
weights_dict = torch.load(args["weight_name"])
model.load_state_dict(weights_dict)
# define an optimizer
optimizer = optim.Adam(model.parameters())
criterion = nn.BCEWithLogitsLoss()
# for gpu environment
if args['gpu'] is True and args['gpu_number'] is not None:
torch.cuda.set_device(args['gpu_number'])
device = torch.device('cuda')
model = model.to(device)
criterion = criterion.to(device)
else:
device = torch.device('cpu')
model = model.to(device)
criterion = criterion.to(device)
logger.info(f"Number of testing samples: {len(test_iterator.dataset)}")
logger.info("***** Testing *****")
_, test_acc, test_auc, test_ap, test_eer, test_prec, test_rec, test_f1 = test_run(
model, test_iterator, criterion, device)
logger.info(
f'| Test Accuracy: {test_acc:.3f} | Test AUC: {test_auc:.3f} | Test AP: {test_ap:.3f} | Test EER: {test_eer:.3f} | Test Precision: {test_prec:.3f} | Test Recall: {test_rec:.3f} | Test F1: {test_f1:.3f} |'
)
def make_model_for_env(env_id):
"""
Create empty Model object based ob gym environment requirements.
Args:
env_id: str, id of the environment.
Returns:
Model object.
"""
tmp_env = gym.make(env_id)
num_i = tmp_env.observation_space.shape[0]
if isinstance(tmp_env.action_space, gym.spaces.discrete.Discrete):
num_o = tmp_env.action_space.n
else:
num_o = tmp_env.action_space.shape[0]
return Model(num_i, num_o)
def main(file_name):
# print(open(FilePaths.fnAccuracy).read())
decoderType = Model.DecoderType.BestPath
model = Model.Model(open(FilePaths.fnCharList).read(), decoderType, mustRestore=True)
filelist=glob.glob("new1/*.png")
filename = file_name+'.txt'
f=open(filename,'w')
for file in filelist:
os.remove(file)
for i in FilePaths.fnInfer:
if i[-5]=='e':
f.write('\n')
else:
print("processing ",i)
img=preprocessimg(i)
implt(img)
#img=cv2.imread(i)
#img=contrast(img)
#implt(img)
cv2.imwrite("out123.png",img)
FilePaths.index = FilePaths.index + 1
infer(model,"out123.png", f)
f.close()
def main(_):
train_data = context_of_idx
with tf.Graph().as_default(), tf.Session(config=config_tf) as session:
initializer = tf.random_uniform_initializer(-config.init_scale,
config.init_scale)
with tf.variable_scope("model", reuse=None, initializer=initializer):
m = Model.Model(is_training=True, config=config)
tf.global_variables_initializer().run()
model_saver = tf.train.Saver(tf.global_variables())
for i in range(config.iteration):
print("Training Epoch: %d ..." % (i + 1))
train_perplexity = run_epoch(session, m, train_data, m.train_op)
print("Epoch: %d Train Perplexity: %.3f" %
(i + 1, train_perplexity))
if (i + 1) % config.save_freq == 0:
print('model saving ...')
model_saver.save(session, config.model_path + '-%d' % (i + 1))
print('Done!')
samplerate = cli_args.samplerate
searchpath = cli_args.searchpath
target_median = cli_args.target_median
c = src.Const.Const(samplerate, target_median, False)
SA = src.Symbol_align.Symbol_align(c)
MER = src.MER.MER(c)
MS = src.Measure_Shoulders.Measure_Shoulders(c)
meas = Measure.Measure(samplerate, port, num_req)
extStat = ExtractStatistic.ExtractStatistic(c)
adapt = Adapt.Adapt(port_rc, coef_path)
dpddata = adapt.get_predistorter
if cli_args.lut:
model = Model.Lut(c)
else:
model = Model.Poly(c)
adapt.set_predistorter(model.get_dpd_data())
adapt.set_digital_gain(digital_gain)
adapt.set_txgain(txgain)
adapt.set_rxgain(rxgain)
tx_gain = adapt.get_txgain()
rx_gain = adapt.get_rxgain()
digital_gain = adapt.get_digital_gain()
dpddata = adapt.get_predistorter()
if dpddata[0] == "poly":
coefs_am = dpddata[1]
coefs_pm = dpddata[2]
},
'Normalize': {}
},
# training params
'gpus': 1,
'precision': 16,
'max_epochs': 10,
'val_batches': 1.0,
'es_start_from': 3,
'patience': 3
}
dm = DataModule(file='data_extra' if config['extra_data'] else 'data_old',
**config)
model = Model(config)
wandb_logger = WandbLogger(project="cassava", config=config)
es = MyEarlyStopping(monitor='val_acc',
mode='max',
patience=config['patience'])
checkpoint = ModelCheckpoint(
dirpath='./',
filename=f'{config["backbone"]}-{config["size"]}-{{val_acc:.5f}}',
save_top_k=1,
monitor='val_acc',
mode='max')
lr_monitor = LearningRateMonitor(logging_interval='step')
trainer = pl.Trainer(gpus=config['gpus'],
import time
from src.Model import *
from src.RNN import *
modelName = 'models'
data = 'trainingData/train_data.txt'
target = 'trainingData/train_labels.txt'
model = Model()
rnn = RNN(model.H, model.V)
trainingData = ''
with open(data, 'r') as file:
trainingData = file.read()
trainingData = trainingData.splitlines(keepends=False)
targetData = ''
with open(target, 'r') as file:
targetData = file.read()
targetData = targetData.splitlines(keepends=False)
targetData = list(map(int, targetData))
V = model.V
start = time.time()
[Wxh, Whh, Why, bias] = rnn.backward(trainingData, targetData)
start = time.time() - start
print('Total time taken = ' + str(start))
np.save(modelName + '/Wxh', Wxh)
np.save(modelName + '/Whh', Whh)
fitting_settings = None
with open(args.config) as config:
fitting_settings = json.load(config)
fitters = fitting_settings['fitters']
face_parameters = fitting_settings['input'].get('initial_face', {})
coefficients = face_parameters.get('coefficients', [])
directed_light = face_parameters.get('directed_light', (0., 0., 0.))
ambient_light = face_parameters.get('ambient_light', 0.)
initial_face = Face(coefficients=coefficients,
directed_light=directed_light,
ambient_light=ambient_light)
model_filename = get_datafile_path(fitting_settings['input']['input_image'])
image = Image.open(model_filename).convert('L')
original_data = array(image.getdata()).astype('f') / 255
image_data = original_data.reshape(image.size)[::-1, :].flatten()
image.close()
MFM.init()
view = View((500, 500))
model = Model(view)
model_input = ModelInput(model)
chain = FittersChain(fitters, image_data, model, initial_face=initial_face)
model.start(chain)
def main(_):
with tf.Graph().as_default(), tf.Session(config=config_tf) as session:
config.batch_size = 1
config.num_steps = 1
initializer = tf.random_uniform_initializer(-config.init_scale,
config.init_scale)
with tf.variable_scope("model", reuse=None, initializer=initializer):
mtest = Model.Model(is_training=False, config=config)
# tf.global_variables_initializer().run()
model_saver = tf.train.Saver()
print('model loading ...')
model_saver.restore(session,
config.model_path + '-%d' % config.save_time)
print('Done!')
if not is_beams:
# sentence state
char_list = list(start_sentence)
print(char_list)
start_idx = char_to_idx[char_list[0]]
print(start_idx)
# _state = mtest.initial_state.eval()
_state = tf.get_default_session().run(mtest.initial_state)
test_data = np.int32([start_idx])
print(test_data)
prob, _state = run_epoch(session, mtest, test_data, tf.no_op(),
_state)
# print(prob)
# print(_state)
gen_res = [char_list[0]]
for i in range(1, len(char_list)):
char = char_list[i]
try:
char_index = char_to_idx[char]
except KeyError:
char_index = np.argmax(prob.reshape(-1))
prob, _state = run_epoch(session,
mtest, np.int32([char_index]),
tf.no_op(), _state)
gen_res.append(char)
print(gen_res)
# gen text
if is_sample:
gen = np.random.choice(config.vocab_size,
1,
p=prob.reshape(-1))
gen = gen[0]
else:
gen = np.argmax(prob.reshape(-1))
test_data = np.int32(gen)
gen_res.append(idx_to_char[gen])
for i in range(len_of_generation - 1):
prob, _state = run_epoch(session, mtest, test_data, tf.no_op(),
_state)
if is_sample:
gen = np.random.choice(config.vocab_size,
1,
p=prob.reshape(-1))
gen = gen[0]
else:
gen = np.argmax(prob.reshape(-1))
test_data = np.int32(gen)
gen_res.append(idx_to_char[gen])
print('Generated Result: ', ''.join(gen_res))
else:
# sentence state
char_list = list(start_sentence)
start_idx = char_to_idx[char_list[0]]
# _state = mtest.initial_state.eval()
_state = tf.get_default_session().run(mtest.initial_state)
beams = [(0.0, [idx_to_char[start_idx]], idx_to_char[start_idx])]
test_data = np.int32([start_idx])
prob, _state = run_epoch(session, mtest, test_data, tf.no_op(),
_state)
y1 = np.log(1e-20 + prob.reshape(-1))
beams = [(beams[0][0], beams[0][1], beams[0][2], _state)]
for i in range(1, len(char_list)):
char = char_list[i]
try:
char_index = char_to_idx[char]
except KeyError:
top_indices = np.argsort(-y1)
char_index = top_indices[0]
prob, _state = run_epoch(session,
mtest, np.int32([char_index]),
tf.no_op(), beams[0][3])
y1 = np.log(1e-20 + prob.reshape(-1))
beams = [(beams[0][0], beams[0][1] + [char], char_index,
_state)]
# gen text
if is_sample:
top_indices = np.random.choice(config.vocab_size,
beam_size,
replace=False,
p=prob.reshape(-1))
else:
top_indices = np.argsort(-y1)
b = beams[0]
beam_candidates = []
for i in range(beam_size):
wordix = top_indices[i]
beam_candidates.append(
(b[0] + y1[wordix], b[1] + [idx_to_char[wordix]], wordix,
_state))
beam_candidates.sort(key=lambda x: x[0],
reverse=True) # decreasing order
beams = beam_candidates[:beam_size] # truncate to get new beams
for xy in range(len_of_generation - 1):
beam_candidates = []
for b in beams:
test_data = np.int32(b[2])
prob, _state = run_epoch(session, mtest, test_data,
tf.no_op(), b[3])
y1 = np.log(1e-20 + prob.reshape(-1))
if is_sample:
top_indices = np.random.choice(config.vocab_size,
beam_size,
replace=False,
p=prob.reshape(-1))
else:
top_indices = np.argsort(-y1)
for i in range(beam_size):
wordix = top_indices[i]
beam_candidates.append(
(b[0] + y1[wordix], b[1] + [idx_to_char[wordix]],
wordix, _state))
beam_candidates.sort(key=lambda x: x[0],
reverse=True) # decreasing order
beams = beam_candidates[:
beam_size] # truncate to get new beams
print('Generated Result: ', ''.join(beams[0][1]))
def test_close():
model = Model(View())
model.start()
model.close()
def train():
logger.info("***** Setup *****")
logger.info(f"Configs: {args}")
# make iterators
data_proceessor = DataProcessor()
train_data, val_data, pos_weight = data_proceessor.get_data(
args['split_rate'], args['data_ratio'], args['seed'])
train_iterator = DataLoader(train_data,
batch_size=args["batch_size"],
shuffle=True)
val_iterator = DataLoader(val_data,
batch_size=args["batch_size"],
shuffle=True)
# build a model
model = Model(input_dim=28 * 28,
hidden_dim=args['hidden_dim'],
drop_rate=args['drop_rate'])
# define an optimizer
optimizer = optim.Adam(model.parameters())
if args['loss_correction'] is True:
pos_weight = torch.tensor(pos_weight)
criterion = nn.BCEWithLogitsLoss(pos_weight=pos_weight)
else:
criterion = nn.BCEWithLogitsLoss()
# additional settings (e.g., early stopping)
early_stopping = EarlyStopping(logger,
patience=args['patience'],
verbose=True)
# for gpu environment
if args['gpu'] is True and args['gpu_number'] is not None:
torch.cuda.set_device(args['gpu_number'])
device = torch.device('cuda')
model = model.to(device)
criterion = criterion.to(device)
else:
device = torch.device('cpu')
model = model.to(device)
criterion = criterion.to(device)
logger.info(f"Number of training samples: {len(train_iterator.dataset)}")
logger.info(f"Number of validation samples: {len(val_iterator.dataset)}")
logger.info("***** Training *****")
_history = []
for epoch in range(args['epochs']):
train_loss, train_acc = train_run(model, train_iterator, optimizer,
criterion, device)
logger.info(
f'| Epoch: {epoch+1:02} | Train Loss: {train_loss:.3f} | Train Acc: {train_acc*100:.3f}% |'
)
val_loss, val_acc = eval_run(model, val_iterator, criterion, device)
logger.info(
f'| Val. Loss: {val_loss:.3f} | Val. Acc: {val_acc*100:.3f}% |')
_history.append([train_loss, train_acc, val_loss, val_acc])
# early stopping
early_stopping(val_loss)
if early_stopping.early_stop:
logger.info(f'\tEarly stopping at {epoch+1:02}')
if args['save_model'] is True:
save_model(model)
break
else: # end of the for loop
if args['save_model'] is True:
save_model(model)
logger.info("***** Evaluation *****")
# plot loss
_history = np.array(_history)
plt.figure()
plt.plot(np.arange(len(_history)), _history[:, 0], label="train")
plt.plot(np.arange(len(_history)), _history[:, 2], label='validation')
plt.grid(True)
plt.legend()
plt.title("Training Monitoring")
plt.xlabel("Epoch")
plt.ylabel("Loss")
plt.savefig('./fig/{}/loss.png'.format(run_start_time),
bbox_inches="tight",
pad_inches=0.1)
# draw figures for evaluation
_, _, val_auc, val_ap, val_eer, val_prec, val_rec, val_f1 = test_run(
model, val_iterator, criterion, device)
logger.info(
f'| Val. AUC: {val_auc:.3f} | Val. AP: {val_ap:.3f} | Val. EER: {val_eer:.3f} | Val. Precision: {val_prec:.3f} | Val. Recall: {val_rec:.3f} | Val. F1: {val_f1:.3f} |'
)
def test_constructor():
assert isinstance(Model(View()), Model)
def test_redraw():
model = Model(View())
model.start(None)
model.redraw()
model.redraw(lambda: None)
def model():
view = View()
face = Face()
model = Model(view)
model.face = face
yield model
import json
import logging
import pandas as pd
from flask import Flask, request
from flask_cors import cross_origin
from src import Model
logging.basicConfig(format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
logger = logging.getLogger('Controller')
logger.setLevel(logging.INFO)
app = Flask(__name__)
model = Model.Model()
@app.route('/predict', methods=['POST'])
@cross_origin(origin='*')
def predict():
try:
raw = request.json
logger.info("Incoming request", raw)
series = pd.Series(raw, raw.keys())
res = model.predict(series)
print(res)
ans = res.tolist()
except Exception as e:
logger.error(e)
ans = str(e)
def model():
view = View()
face = Face()
model = Model(view)
model.face = face
yield model
st.markdown("Draw a digit and then press 'Get prediction'")
# Create a canvas component
canvas_result = st_canvas(
stroke_width=20,
stroke_color="#fff",
background_color="#000",
update_streamlit=True,
height=280,
width=280,
drawing_mode="freedraw",
key="canvas",
)
if st.button('Get prediction'):
model = Model()
# Instantiate an Image object from the handwritten canvas
image = Image(canvas_result.image_data)
with col2:
# Display a h2 title
st.subheader("What the computer see")
st.markdown("Your drawing is resized and gray-scaled")
# Display the transformed image
if image.array is not None:
st.image(image.get_streamlit_displayable(), width=280)
# Check if the user has written something
if (image.array is not None) and (not image.is_empty()):
def test_start():
Model(View()).start(None)
Model(View()).start(ModelFitter)
def main(_):
tf.reset_default_graph()
graph = tf.Graph()
with graph.as_default() as g:
with tf.Session(config=config_tf, graph=g) as session:
config.batch_size = 1
config.num_steps = 1
# 以上两个参数决定了传入模型数值的size
initializer = tf.random_uniform_initializer(
-config.init_scale, config.init_scale)
with tf.variable_scope("model",
reuse=None,
initializer=initializer):
mtest = Model.Model(is_training=False, config=config)
# tf.global_variables_initializer().run()
start = datetime.datetime.now()
model_saver = tf.train.Saver()
print('model loading ...')
model_saver.restore(
session, config.model_path + '_' +
data_dir[data_dir.rfind('/') + 1:-4] + '_' +
str(config.num_layers) + '_' + str(config.hidden_size))
print('Done!')
print(datetime.datetime.now() - start)
# initial prefix list and LUT
sorted_first_prob = sorted(first_prob.items(),
key=lambda x: x[1],
reverse=True)
prefixes = Queue()
# prefixes = [] #入队按照概率大到小
LUT = {} # key-value( prefix-prob )
for (key, value) in sorted_first_prob:
prefixes.put(key)
LUT[key] = value
# initial prefix list and LUT
# file operation
f_id = 1
generate_path = config.dictionary_path + data_dir[data_dir.rfind('/') + 1:-4] + '_' + \
str(config.num_layers) + '_' + str(config.hidden_size) + '/'
if not os.path.exists(generate_path):
os.mkdir(generate_path)
write_star = datetime.datetime.now()
f = open(generate_path + str(f_id) + '.txt', 'w', encoding='utf-8')
# file operation
# initial variable
code_num = 0
end_flag = False
# initial variable
i = 1
while not prefixes.empty():
# current item
current_prefix = prefixes.get()
current_prob = LUT[current_prefix]
LUT.pop(current_prefix)
# current item
# get current prefix's next char probability distribution
# _state = mtest.initial_state.eval()
# for c in current_prefix:
# test_data = np.array([char_to_idx[c]], dtype=np.int32)
# prob, _state = run_epoch(session, mtest, test_data, tf.no_op(), _state)
# probability = prob[0]
probability = get_pro(session, mtest, current_prefix)
# get current prefix's next char probability distribution
# sorting the probability distribution
next_que = PriorityQueue()
for i in range(len(probability)):
next_char = idx_to_char[i]
next_prob = probability[i]
next_que.put(next_entry(next_char, next_prob))
# sorting the probability distribution
# pop the next char
for i in range(len(probability) // 6):
get_next = next_que.get()
next_char = get_next.char
next_prob = get_next.prob
if next_char == "⊥": # meeting end symbol
if len(current_prefix) >= 4:
print('第{}条口令为{}，概率为{}'.format(
current_prefix, current_prob, code_num + 1))
f.write(current_prefix + '\n')
code_num += 1
if code_num == 5000000:
end_flag = True
break
if code_num % 1000000 == 0:
print('{}.txt耗时：{}'.format(
f_id,
datetime.datetime.now() - write_star))
write_star = datetime.datetime.now()
f_id += 1
f = open(config.dictionary_path + str(f_id) +
'.txt',
'w',
encoding='utf-8')
else:
new_prefix = current_prefix + next_char
if len(new_prefix) == 17:
print('第{}条口令为{}，概率为{}'.format(
current_prefix, current_prob, code_num + 1))
f.write(current_prefix + '\n')
code_num += 1
if code_num == 5000000:
end_flag = True
break
if code_num % 1000000 == 0:
print('{}.txt耗时：{}'.format(
f_id,
datetime.datetime.now() - write_star))
write_star = datetime.datetime.now()
f_id += 1
f = open(config.dictionary_path + str(f_id) +
'.txt',
'w',
encoding='utf-8')
else:
new_prob = current_prob * next_prob
if new_prob > threshold:
LUT[new_prefix] = new_prob
prefixes.put(new_prefix)
# pop the next char
if end_flag:
break
print('completed')
# convert class vectors to binary class matrices
Y_train = np_utils.to_categorical(y_train, nb_classes)
Y_test = np_utils.to_categorical(y_test, nb_classes)
print('X_train shape:', X_train.shape)
print(X_train.shape[0], 'train samples')
print(X_test.shape[0], 'test samples')
# 分配验证集
random_state = 7
X_train2, X_val2, Y_train2, Y_val2 = train_test_split(
X_train, Y_train, test_size=0.1, random_state=random_state)
# 获取模型
model = Model.get(input_shape)
# 学习速度递减
learning_rate_reduction = ReduceLROnPlateau(
monitor='val_acc', patience=3, verbose=1, factor=0.5, min_lr=0.000005)
# TensorBoard文件生成
tbCallBack = TensorBoard(
log_dir='./logs', # log 目录
histogram_freq=0, # 按照何等频率（epoch）来计算直方图，0为不计算
# batch_size=32, # 用多大量的数据计算直方图
write_graph=True, # 是否存储网络结构图
write_grads=True, # 是否可视化梯度直方图
write_images=True, # 是否可视化参数
embeddings_freq=0,
embeddings_layer_names=None,