def load_models(self):
# load json and create model
if self.Use_Batch_Norm:
out_mod_dir = 'Save_BatchNorm'
else:
out_mod_dir = 'Save_InstNorm'
ae_json = open(os.path.join(out_mod_dir, 'autoencoder.json'), 'r')
ae_model_json = ae_json.read()
ae_json.close()
ae_model = models.model_from_json(
ae_model_json,
custom_objects={'InstanceNormalization': InstanceNormalization})
# load weights into new model
ae_model.load_weights(os.path.join(out_mod_dir, "autoencoder.h5"))
self.AutoEncoderNet = ae_model
for i in self.style_bank:
ae_json = open(
os.path.join(out_mod_dir, "stylenet_{}.json".format(i)), 'r')
ae_model_json = ae_json.read()
ae_json.close()
ae_model = models.model_from_json(ae_model_json,
custom_objects={
'InstanceNormalization':
InstanceNormalization
})
# load weights into new model
ae_model.load_weights(
os.path.join(out_mod_dir, "stylenet_{}.h5".format(i)))
self.StyleNet[i] = ae_model
print("Loaded models from disk")
def test_unseen_class(self):
loaded_model = None
adam = Adam(lr=1e-5)
with open(self.model_dir.joinpath('model.json'), 'r') as json_file:
loaded_model_json = json_file.read()
loaded_model = model_from_json(loaded_model_json)
loaded_model.load_weights(
str(self.model_dir.joinpath(self.prefix + "model.h5")))
print("Loaded model from disk")
loaded_model.compile(loss='sparse_categorical_crossentropy',
optimizer=adam,
metrics=['accuracy'])
probs = list()
for i in range(len(self.test_labels)):
pred = loaded_model.predict(np.array([
self.test_images[i],
]))
print("{}: {}: max: {}".format(i, pred[0], np.max(pred[0])))
probs.append(np.max(pred[0]))
plt.xlabel("DATA")
plt.ylabel("PROBABLILITY")
plt.title("mean: {}".format(np.mean(probs)))
plt.scatter(np.arange(len(probs)), probs, s=100)
plt.show()
def load_trained_tf_model(
model_save_dir,
model_name,
use_best_val_loss=False,
print_model_summary=True,
):
"""
Load the model architecture and weights.
Parameters
---------
model_save_dir : str
The path to where the .json model architecture and .h5 model weights
are stored.
model_name : str
The name the model is saved under, i.e., the part before '.h5' or
'.json'.
use_best_val_loss : bool
print_model_summary : bool
"""
with open(f"{model_save_dir}{model_name}.json", "r") as f:
model = model_from_json(f.read(), custom_objects={"k": K})
if use_best_val_loss:
model_name += "_best_val_loss"
model.load_weights(model_save_dir + model_name + ".h5")
if print_model_summary:
print(model.summary())
return model
def load_model(self, model_json_path, model_h5_path):
json_file = open(model_json_path, 'r')
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
loaded_model.load_weights(model_h5_path)
return loaded_model
def load_keras_model(saved_model_path):
"""Load a keras.Model from SavedModel.
load_model reinstantiates model state by:
1) loading model topology from json (this will eventually come
from metagraph).
2) loading model weights from checkpoint.
Args:
saved_model_path: a string specifying the path to an existing SavedModel.
Returns:
a keras.Model instance.
"""
# restore model topology from json string
model_json_filepath = os.path.join(
compat.as_bytes(saved_model_path),
compat.as_bytes(constants.ASSETS_DIRECTORY),
compat.as_bytes(constants.SAVED_MODEL_FILENAME_JSON))
model_json = file_io.read_file_to_string(model_json_filepath)
model = model_from_json(model_json)
# restore model weights
checkpoint_prefix = os.path.join(
compat.as_text(saved_model_path),
compat.as_text(constants.VARIABLES_DIRECTORY),
compat.as_text(constants.VARIABLES_FILENAME))
model.load_weights(checkpoint_prefix)
return model
def load_regressor(filename, newobj):
dataset = []
with open(filename, 'r') as f:
for line in f:
jsonfile = json.loads(line[:-2])
dataset.append(jsonfile)
f.close()
cars = pd.DataFrame(dataset)
cars = cars.drop(cars[(cars['price'] > 30000)
& (cars['price'] < 300000)].index)
cars_prices = cars["price"].copy()
cars = cars.drop("price", axis=1)
new_car = pd.DataFrame(newobj)
cars = cars.append(new_car)
cars_prepared = full_pipeline.fit_transform(cars)
json_file = open('neuralnetregressor.json', 'r')
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
loaded_model.load_weights("neuralnetregressor.h5")
loaded_model.compile(loss='mean_absolute_error',
optimizer='adam',
metrics=['mae'])
daaa = np.array(cars_prepared[-1, :11])
#loaded_model.predict(cars_prepared)
return loaded_model.predict(cars_prepared[-1].reshape((1, -1)))
def scorer(filename=None):
json_file = open('input/model2_json.json', 'r')
loaded_model_json = json_file.read()
json_file.close()
tf.disable_v2_behavior()
loaded_model = model_from_json(loaded_model_json)
# load weights into new model
loaded_model.load_weights("input/VoiceModel2.h5")
print("Loaded model from disk")
# the optimiser
loaded_model.compile(loss='categorical_crossentropy',
optimizer='adam',
metrics=['accuracy'])
audio_file_name = 'input/' + filename # + '3.wav'
X = prepare_data(audio_file_name,
aug=1,
mfcc=1,
sampling_rate=44100,
audio_duration=2.5)
newpred = loaded_model.predict(X, batch_size=16, verbose=1)
return str(score(newpred))
def train(self, train_images, train_labels, validation_images, validation_labels,
retrain=False, prefix="", lr=1e-4, epochs=20):
mc = ModelCheckpoint(str(INCEPTION_V4_DIR_RES.joinpath(prefix+'model.h5')), monitor='val_acc',
mode='auto', verbose=1, save_best_only=True)
model = None
adam = Adam(lr=lr)
if not retrain:
model = self.model()
model_json = model.to_json()
with open(INCEPTION_V4_DIR_RES.joinpath('model.json'), "w") as json_file:
json_file.write(model_json)
print("Saved model to disk")
else:
print('retraining...')
with open(INCEPTION_V4_DIR_RES.joinpath('model.json'), 'r') as json_file:
loaded_model_json = json_file.read()
model = model_from_json(loaded_model_json)
# load weights into new model
model.load_weights(str(INCEPTION_V4_DIR_RES.joinpath(prefix+"model.h5")))
print("Loaded model from disk")
model.compile(optimizer=adam, loss='sparse_categorical_crossentropy',
metrics=['accuracy'])
# model.summary()
# plot_model(model, show_shapes=True, to_file=INCEPTION_V4_DIR_RES.joinpath('resnet34.png'))
history = model.fit(train_images, train_labels, epochs=epochs,
validation_data=(validation_images, validation_labels),
callbacks=[mc], verbose=2)
return history
def loadRNN(model_file_name, weight_file_name):
K.reset_uids()
with open(model_file_name + '.json', 'r') as f:
model = model_from_json(f.read())
model.load_weights(weight_file_name + '.h5')
print("Red Neuronal Cargada desde Archivo")
return model
def __init__(self):
json_file = open('../../resources/model.json', 'r')
loaded_model_json = json_file.read()
json_file.close()
self.intent_classifier = model_from_json(loaded_model_json)
self.intent_classifier.load_weights('../../resources/model.h5')
print("Loaded model from disk")
def load_model(saved_model_path):
"""Load a keras.Model from SavedModel.
load_model reinstantiates model state by:
1) loading model topology from json (this will eventually come
from metagraph).
2) loading model weights from checkpoint.
Args:
saved_model_path: a string specifying the path to an existing SavedModel.
Returns:
a keras.Model instance.
"""
# restore model topology from json string
model_json_filepath = os.path.join(
compat.as_bytes(saved_model_path),
compat.as_bytes(constants.ASSETS_DIRECTORY),
compat.as_bytes(constants.SAVED_MODEL_FILENAME_JSON))
model_json = file_io.read_file_to_string(model_json_filepath)
model = model_from_json(model_json)
# restore model weights
checkpoint_prefix = os.path.join(
compat.as_text(saved_model_path),
compat.as_text(constants.VARIABLES_DIRECTORY),
compat.as_text(constants.VARIABLES_FILENAME))
model.load_weights(checkpoint_prefix)
return model
def predict(self):
K.reset_uids()
classes = ['Normal', 'Neumonia']
modelo = 'neumonia/model/model_neumonia_v41.json'
pesos = 'neumonia/model/weights_neumonia_v41.h5'
with CustomObjectScope({'GlorotUniform': glorot_uniform()}):
with open(modelo, 'r') as f:
model = model_from_json(f.read())
model.load_weights(pesos)
img = image.load_img(self.img, target_size=(150, 150))
x = image.img_to_array(img)
x = np.expand_dims(x, axis=0)
x = preprocess_input(x)
preds = model.predict(x)
resultado = preds[0] #solo una dimension
porcentaje = np.round(resultado * 100, 2)
porcentaje = list(porcentaje)
respuesta = np.argmax(resultado) # el valor mas alto de resultado
for i in range(len(classes)):
res = classes[i]
if i == respuesta:
return 'Resultado: {:.4}% {}'.format(round(max(porcentaje), 2),
res)
def load(self, file_name=None):
with self.graph.as_default():
with self.session.as_default():
try:
model_name = file_name[0]
weights_name = file_name[1]
if model_name is not None:
# load the model
json_file_path = os.path.join(self.model_folder,
model_name)
json_file = open(json_file_path, 'r')
loaded_model_json = json_file.read()
json_file.close()
self.loaded_model = model_from_json(loaded_model_json)
if weights_name is not None:
# load the weights
weights_path = os.path.join(self.model_folder,
weights_name)
self.loaded_model.load_weights(weights_path)
logging.info("Neural Network loaded: ")
logging.info('\t' + "Neural Network model: " +
model_name)
logging.info('\t' + "Neural Network weights: " +
weights_name)
return True
except Exception as e:
logging.exception(e)
return False
def load_model():
loaded_model = model_from_json(loaded_model_json)
loaded_model.load_weights(model_weights_file_path)
loaded_model.compile(loss='binary_crossentropy',
optimizer=Adam(lr=1e-5),
metrics=['accuracy'])
loaded_model._make_predict_function()
return loaded_model
def load_models(self, model_architecture_file, model_weights_file):
json_file = open(model_architecture_file, 'r')
loaded_model_json = json_file.read()
json_file.close()
self.neural_network = model_from_json(loaded_model_json)
self.neural_network.load_weights(model_weights_file)
print("Loaded model {} {}".format(model_architecture_file, model_weights_file))
def cargarRNN(archivoModelo,archivoPesos):
K.reset_uids
with open(archivoModelo+'.json','r') as f:
model = model_from_json(f.read())
model.load_weights(archivoPesos+'.h5')
print("Red Neuronal Cargada")
return model
def load_trained_model(name):
json_file = open('model.json', 'r')
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
loaded_model.load_weights(name)
print("Model loaded...")
return loaded_model
def load_model_from_json(self, json_file_name):
# load json and create model
json_file = open(json_file_name, 'r')
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
loaded_model.summary()
return loaded_model
def model_init(self):
"""模型初始化"""
path_graph = os.path.join(self.path_dir, "graph.json")
path_model = os.path.join(self.path_dir, "model.h5")
# 加载模型结构
self.model = model_from_json(open(path_graph, "r", encoding="utf-8").read(),
custom_objects=macropodus.custom_objects)
# 加载模型权重
self.model.load_weights(path_model)
def load_model(arch):
model_path = 'models/' + arch['name'] + '.json'
weights_path = 'models/' + arch['name'] + '.h5'
json_file = open(model_path)
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
loaded_model.load_weights(weights_path)
return loaded_model
def load_model(input_model_path, input_json_path=None, input_yaml_path=None):
if not Path(input_model_path).exists():
raise FileNotFoundError(
'Model file `{}` does not exist.'.format(input_model_path))
try:
model = keras.models.load_model(input_model_path)
if FLAGS.is_tiny:
model = tiny_yolo_body(Input(shape=(None, None, 3)), 3,
FLAGS.num_class)
else:
model = yolo_body(Input(shape=(None, None, 3)), 3, FLAGS.num_class)
model.load_weights('input_model_path')
return model
except FileNotFoundError as err:
logging.error('Input mode file (%s) does not exist.',
FLAGS.input_model)
raise err
except ValueError as wrong_file_err:
if input_json_path:
if not Path(input_json_path).exists():
raise FileNotFoundError(
'Model description json file `{}` does not exist.'.format(
input_json_path))
try:
model = model_from_json(open(str(input_json_path)).read())
model.load_weights(input_model_path)
return model
except Exception as err:
logging.error("Couldn't load model from json.")
raise err
elif input_yaml_path:
if not Path(input_yaml_path).exists():
raise FileNotFoundError(
'Model description yaml file `{}` does not exist.'.format(
input_yaml_path))
try:
model = model_from_yaml(open(str(input_yaml_path)).read())
model.load_weights(input_model_path)
return model
except Exception as err:
logging.error("Couldn't load model from yaml.")
raise err
else:
logging.error(
'Input file specified only holds the weights, and not '
'the model definition. Save the model using '
'model.save(filename.h5) which will contain the network '
'architecture as well as its weights. '
'If the model is saved using the '
'model.save_weights(filename) function, either '
'input_model_json or input_model_yaml flags should be set to '
'to import the network architecture prior to loading the '
'weights. \n'
'Check the keras documentation for more details '
'(https://keras.io/getting-started/faq/)')
raise wrong_file_err
def load(self):
inside = os.listdir(MODEL_DIR)
if "model.json" not in inside or "model.h5" not in inside:
raise ValueError(
"Make sure both model.json and model.h5 are inside \'models/\'"
)
with open(MODEL_DIR + "model.json", "w") as json_file:
self.model = model_from_json(json_file.read())
self.model.load_weights(MODEL_DIR + "model.h5")
def cargarRNN(nombreArchivoModelo, nombreArchivoPesos):
K.reset_uids()
# Cargar la Arquitectura desde el archivo JSON
with open(nombreArchivoModelo + '.json', 'r') as f:
model = model_from_json(f.read())
# Cargar Pesos (weights) en el nuevo modelo
model.load_weights(nombreArchivoPesos + '.h5')
print("Red Neuronal Cargada desde Archivo")
return model
def __init__(self,model=None):
if model:
self.model=model
else:
#from tensorflow.python.keras.models import model_from_json
jfile = open(Recognizer.path_model, "r")
loaded_model = jfile.read()
jfile.close()
self.model = model_from_json(loaded_model)
self.model.load_weights(Recognizer.weights_path)
self.threshold=0.93
jfile = open(Recognizer.path_model2, "r")
loaded_model = jfile.read()
jfile.close()
self.model2 = model_from_json(loaded_model)
self.model2.load_weights(Recognizer.weights_path2)
self.__labels={0:'speech', 1:'silence'}
self.__labels2={0: '0', 1: '1', 2: '10', 3: '2', 4: '3', 5: '4', 6: '5', 7: '6', 8: '7', 9: '8', 10: '9', 11: 'no', 12: 'other', 13: 'yes'}
def load_model():
# Model reconstruction from JSON file
with open('model_architecture.json', 'r') as f:
model = models.model_from_json(f.read())
# Load weights into the new model
model.load_weights('model_weights.h5')
return model
def load_model(self, name):
# load json and create model
json_file = open(name + 'model.json', 'r')
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
# load weights into new model
loaded_model.load_weights(name + "model.h5")
print("Loaded model from disk")
return loaded_model
def get_model():
json_file = open(path + name + ".json", 'r')
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
# load weights into new model
loaded_model.load_weights(path + name + ".h5")
print("Loaded model from disk")
return loaded_model
def load_model(weight_path: str, structure_path: str, trainset_path: str):
# load structure of model
json_file = open(structure_path, 'r')
loaded_model_json = json_file.read()
json_file.close()
model = model_from_json(loaded_model_json)
# Load weight from file
model.load_weights(weight_path)
return model
def readModelFromJSON():
json_file = open('model.json', 'r')
loaded_model_json = json_file.read()
json_file.close()
loaded_model = model_from_json(loaded_model_json)
# load weights into new model
loaded_model.load_weights("model.h5")
print("Model is readed.")
return loaded_model
def load_model(name):
# load json and create model
model_file = open('{}.json'.format(name), 'r')
loaded_model_json = model_file.read()
model_file.close()
loaded_model = model_from_json(loaded_model_json)
# load weights into new model
loaded_model.load_weights("{}.h5".format(name))
print("Loaded model from disk")
return loaded_model
def __init__(self):
# Load pre-processing
self.MAX_TWEET_LENGTH = 100
self.MIN_PREDICTION_SCORE = 0.95
self.tokenizer = load('src/save/tokenizer.joblib')
self.label_encoder = load('src/save/label_encoder.joblib')
# load model
with open('src/save/model.json', 'r') as f:
self.model = model_from_json(f.read())
self.model.load_weights('src/save/model.h5')
self.model.compile(loss='categorical_crossentropy', optimizer='adam', metrics=['accuracy'])
def load_keras_model(saved_model_path):
"""Load a keras.Model from SavedModel.
load_model reinstantiates model state by:
1) loading model topology from json (this will eventually come
from metagraph).
2) loading model weights from checkpoint.
Example:
```python
import tensorflow as tf
# Create a tf.keras model.
model = tf.keras.Sequential()
model.add(tf.keras.layers.Dense(1, input_shape=[10]))
model.summary()
# Save the tf.keras model in the SavedModel format.
saved_to_path = tf.contrib.saved_model.save_keras_model(
model, '/tmp/my_simple_tf_keras_saved_model')
# Load the saved keras model back.
model_prime = tf.contrib.saved_model.load_keras_model(saved_to_path)
model_prime.summary()
```
Args:
saved_model_path: a string specifying the path to an existing SavedModel.
Returns:
a keras.Model instance.
"""
# restore model topology from json string
model_json_filepath = os.path.join(
compat.as_bytes(saved_model_path),
compat.as_bytes(constants.ASSETS_DIRECTORY),
compat.as_bytes(constants.SAVED_MODEL_FILENAME_JSON))
model_json = file_io.read_file_to_string(model_json_filepath)
model = model_from_json(model_json)
# restore model weights
checkpoint_prefix = os.path.join(
compat.as_text(saved_model_path),
compat.as_text(constants.VARIABLES_DIRECTORY),
compat.as_text(constants.VARIABLES_FILENAME))
model.load_weights(checkpoint_prefix)
return model