def evaluate_cotrain(modelo1, modelo2, modelo3, arquitectura1, arquitectura2,
arquitectura3, datos, etapa, kfold, iteracion, pipeline,
models_info, logs):
train_generator_arch1, test1_generator_arch1, STEP_SIZE_TEST1_arch1 = generadores(
etapa, arquitectura1, datos, pipeline, False, iteracion, models_info)
train_generator_arch2, test1_generator_arch2, STEP_SIZE_TEST1_arch2 = generadores(
etapa, arquitectura2, datos, pipeline, False, iteracion, models_info)
train_generator_arch3, test1_generator_arch3, STEP_SIZE_TEST1_arch3 = generadores(
etapa, arquitectura3, datos, pipeline, False, iteracion, models_info)
df1 = evaluar(modelo1, train_generator_arch1, test1_generator_arch1,
STEP_SIZE_TEST1_arch1)
df2 = evaluar(modelo2, train_generator_arch2, test1_generator_arch2,
STEP_SIZE_TEST1_arch2)
df3 = evaluar(modelo3, train_generator_arch3, test1_generator_arch3,
STEP_SIZE_TEST1_arch3)
predicciones = []
for i in range(len(df1)):
c1 = (df1['Predictions'][i] == df2['Predictions'][i])
c2 = (df1['Predictions'][i] == df3['Predictions'][i])
c3 = (df2['Predictions'][i] == df3['Predictions'][i])
if c1 and c2 and c3:
predicciones.append([df1['Filename'][i], df1['Predictions'][i]])
else:
probabilidades = np.array([
df1['Max_Probability'][i], df2['Max_Probability'][i],
df3['Max_Probability'][i]
])
indice_prob_max = probabilidades.argmax()
clases = np.array([
df1['Predictions'][i], df2['Predictions'][i],
df3['Predictions'][i]
])
indice_clas_max = clases.argmax()
real = np.array(
[df1['Filename'][i], df2['Filename'][i], df3['Filename'][i]])
predicciones.append(
[real[indice_prob_max], clases[indice_clas_max]])
results = pd.DataFrame(predicciones, columns=["filename", "predictions"])
#results['filename'] = results['filename'].apply(lambda x:x.split('/')[-1].split('_')[-1][0])
results['filename'] = results['filename'].apply(lambda x: x.split('/')[-2])
y_true = results['filename'].values.tolist()
y_pred = results['predictions'].values.tolist()
from sklearn.metrics import accuracy_score
co_train_accu = accuracy_score(y_pred, y_true)
co_train_label = 'co-train'
logs.append(
[kfold, iteracion, co_train_label, None, None, None, co_train_accu])
save_logs(logs, 'train', pipeline)
return co_train_accu
def ssl_global(model_zoo, pipeline):
numero_lotes = 5
semi_method = 'co-training-multi'
datos = {}
models_info = {}
#test_cotraining,predicciones = [],[]
#logs,logs_time,logs_label = [], [], []
datos["df_base"] = get_dataset(pipeline)
datos = split_train_test(datos, pipeline)
# Medir tiempo de ejecucion
import time
start = time.time()
for kfold in range(1):
for iteracion in range(numero_lotes * 1):
print("\n######################")
print("K-FOLD {} - ITERACION {}".format(kfold, iteracion))
print("######################\n")
datos = get_Fold(kfold, datos, pipeline)
if iteracion == 0:
etapa = 'train'
else:
etapa = 'train_EL'
print(pipeline["path_label_stats"] + str(pipeline["id"]) + '_' +
str(iteracion) + '.pickle')
for model in model_zoo:
model_memory, model_performance = training(
kfold, etapa, datos, model, iteracion, models_info,
pipeline)
models_info[model] = {
'model_memory': model_memory,
'model_performance': model_performance['val_acc']
}
df_temp = pd.DataFrame(models_info).T
top_models = df_temp.sort_values('model_performance',
ascending=False)
top_models = top_models.reset_index()['index'].values.tolist()[:3]
mod_top1, arch_top1 = models_info[
top_models[0]]['model_memory'], top_models[0]
mod_top2, arch_top2 = models_info[
top_models[1]]['model_memory'], top_models[1]
mod_top3, arch_top3 = models_info[
top_models[2]]['model_memory'], top_models[2]
print("\n")
print(
"Co-train: ",
evaluate_cotrain(mod_top1, mod_top2, mod_top3, arch_top1,
arch_top2, arch_top3, datos, etapa, kfold,
iteracion, pipeline, models_info, logs))
print("\n")
if semi_method == 'supervised':
break
if iteracion < numero_lotes:
df_batchset = datos["batch_set"][iteracion]
df_batchset.columns = [
pipeline["x_col_name"], pipeline["y_col_name"]
]
df_batchset[pipeline["y_col_name"]] = '0'
else:
if iteracion == numero_lotes:
df_LC = pd.DataFrame(pipeline["LC"])
batch_set_LC = list(dividir_lotes(df_LC, numero_lotes))
for i in enumerate(batch_set_LC):
print(len(batch_set_LC[i].iloc[:, 0].values.tolist()))
pipeline["LC"] = []
df_batchset = pd.DataFrame([
batch_set_LC[int(iteracion -
numero_lotes)].iloc[:, 0].values.tolist()
]).T
df_batchset.columns = [pipeline["x_col_name"]]
df_batchset[pipeline["y_col_name"]] = '0'
datos['df_batchset'] = df_batchset
datos, EL_iter, LC_iter = labeling(etapa, mod_top1, mod_top2,
mod_top3, arch_top1, arch_top2,
arch_top3, datos, pipeline,
iteracion, models_info)
#logs_label.append([kfold,iteracion,arch_top1,arch_top2,arch_top3,len(EL_iter),len(LC_iter)])
#save_logs(logs_label,'label',pipeline)
#df_EL = pd.DataFrame(EL, columns=[pipeline["x_col_name"], pipeline["y_col_name"], 'arch_scores'])
#df_LC = pd.DataFrame(LC, columns=[pipeline["x_col_name"], pipeline["y_col_name"], 'arch_scores'])
print("EL_iter", len(EL_iter))
print("LC_iter", len(LC_iter))
#df_EL = pd.DataFrame(EL_iter, columns=[ pipeline["x_col_name"], pipeline["y_col_name"], 'arch_scores' ]) # EXP30
#df_LC = pd.DataFrame(LC_iter, columns=[ pipeline["x_col_name"], pipeline["y_col_name"], 'arch_scores' ]) # EXP30
df_EL = pd.DataFrame(datos["EL"],
columns=[
pipeline["x_col_name"],
pipeline["y_col_name"], 'arch_scores'
])
df_LC = pd.DataFrame(datos["LC"],
columns=[
pipeline["x_col_name"],
pipeline["y_col_name"], 'arch_scores'
])
os.makedirs(pipeline["path_label_stats"].split('/')[0],
exist_ok=True)
df_EL.to_pickle(pipeline["path_label_stats"] +
str(pipeline["id"]) + '_' + str(iteracion) +
'_EL.pickle')
df_LC.to_pickle(pipeline["path_label_stats"] +
str(pipeline["id"]) + '_' + str(iteracion) +
'_LC.pickle')
df_label_stats = label_stats(df_EL, df_LC, pipeline)
#print(df_label_stats)
df_label_stats.to_pickle(pipeline["path_label_stats"] +
str(pipeline["id"]) + '_' +
str(iteracion) + '.pickle')
df_train_EL = pd.concat([datos["df_train"], df_EL.iloc[:, :2]
]) # USANDO MUESTRAS TRAIN Y EL
#df_train_EL = df_EL.iloc[:,:2].copy() # EXP30 # UNICAMENTE USANDO MUESTRAS EL
#print(df_train)
#print("df_train_EL")
#print(df_train_EL)
#print(df_EL.iloc[:,:2])
#print(df_train_EL)
datos['df_train_EL'] = df_train_EL
try:
print("AUTO-ESTIMATING OF SSL THRESHOLD ...")
df_EL_stats = df_label_stats["df_EL_stats"]["df"]
df_LC_stats = df_label_stats["df_LC_stats"]["df"]
df_U_iter = pd.concat([df_EL_stats, df_LC_stats],
ignore_index=True)
ssl_th = df_U_iter.describe()["arch_scores_mean"]["mean"]
pipeline["ssl_threshold"] = ssl_th
print("NEW SSL THRESHOLD: ", ssl_th)
except:
print("ERROR - AUTO-ESTIMATING SSL THRESHOLD")
ssl_th = pipeline["ssl_threshold"]
traceback.print_exc()
#df_U_iter.describe()["arch_scores_mean"]["25%"]
#df_U_iter = pd.concat([df_EL,df_LC], ignore_index=True)
#EXP 33
#print("df_U_describe")
#print(f"MEAN U_{iteracion}: {ssl_th}")
#print(df_U_iter.describe())
#ssl_th = df_U_iter.describe()["arch_scores_mean"]["25%"]
#print(f"MEAN U_{iteracion}: {ssl_th}")
#print(f" P25 U_{iteracion}: {ssl_th}")
#print(f"NUEVO UMBRAL PARA SSL: {ssl_th}")
#pipeline["ssl_threshold"] = ssl_th
logs_label.append([
kfold, iteracion, arch_top1, arch_top2, arch_top3,
len(EL_iter),
len(LC_iter), ssl_th
])
save_logs(logs_label, 'label', pipeline)
#reset_keras()
#models_info = []
end = time.time()
print(end - start)
"train_epochs": 5,
"batch_epochs": 5
},
"fast": {
"train_epochs": 10,
"batch_epochs": 10
},
"medium": {
"train_epochs": 20,
"batch_epochs": 20
},
"slow": {
"train_epochs": 30,
"batch_epochs": 30
}
}
logs.append([
"kfold", "iteracion", "arquitectura", "val_loss", "val_accu", "test_loss",
"test_accu"
])
logs_time.append(["kfold", "iteracion", "arquitectura", "training_time"])
logs_label.append(["kfold", "iteracion", "arquitectura", "EL", "LC"])
save_logs(logs, 'train', pipeline)
save_logs(logs_time, 'time', pipeline)
save_logs(logs_label, 'label', pipeline)
models = ['ResNet50', 'Xception', 'DenseNet169', 'InceptionV4', 'DenseNet121']
ssl_global(model_zoo=models, pipeline=pipeline)
def training(kfold, etapa, datos, architecture, iteracion, models_info, pipeline):
start_model = time.time()
base_model, preprocess_input = get_model(architecture, iteracion, models_info, pipeline)
model_performance = {}
datagen = ImageDataGenerator(
preprocessing_function=preprocess_input,
rotation_range=90,
horizontal_flip=True,
vertical_flip=True,
)
if etapa=='train':
train_generator = datagen.flow_from_dataframe(
dataframe=datos['df_train'],
x_col=pipeline["x_col_name"],
y_col=pipeline["y_col_name"],
target_size=(pipeline['img_height'],pipeline['img_width']),
class_mode='categorical',
batch_size=pipeline["batch_size"],
seed=42,
shuffle=True)
if etapa=='train_EL':
train_generator = datagen.flow_from_dataframe(
dataframe=datos['df_train_EL'],
x_col=pipeline["x_col_name"],
y_col=pipeline["y_col_name"],
target_size=(pipeline['img_height'],pipeline['img_width']),
class_mode='categorical',
batch_size=pipeline["batch_size"],
seed=42,
shuffle=True)
if len(datos['df_val']) > 0:
val_datagen=ImageDataGenerator(preprocessing_function=preprocess_input)
valid_generator=val_datagen.flow_from_dataframe(
dataframe=datos['df_val'],
x_col=pipeline["x_col_name"],
y_col=pipeline["y_col_name"],
batch_size=pipeline["batch_size"],
seed=42,
shuffle=True,
class_mode="categorical",
target_size=(pipeline['img_height'],pipeline['img_width']))
test_datagen=ImageDataGenerator(preprocessing_function=preprocess_input)
test_generator=test_datagen.flow_from_dataframe(
dataframe=datos['df_test'],
x_col=pipeline["x_col_name"],
y_col=pipeline["y_col_name"],
batch_size=pipeline["batch_size"],
seed=42,
shuffle=False,
class_mode="categorical",
target_size=(pipeline['img_height'],pipeline['img_width']))
num_classes = len( datos["df_train"][ pipeline["y_col_name"] ].unique() )
if etapa == 'train' and pipeline["transfer_learning"] == "classic":
finetune_model = transfer_learning_classic( base_model, num_classes )
elif pipeline["transfer_learning"] == "soft":
finetune_model = transfer_learning_soft( base_model, num_classes,
pipeline["stage_config"][iteracion] )
else:
finetune_model = base_model
if etapa == 'train':
NUM_EPOCHS = pipeline["modality_config"][pipeline["modality"]]["train_epochs"]
num_train_images = len(datos['df_train'])*pipeline["aug_factor"]
if etapa == 'train_EL':
NUM_EPOCHS = pipeline["modality_config"][pipeline["modality"]]["batch_epochs"]
num_train_images = len(datos['df_train_EL'])*pipeline["aug_factor"]
STEP_SIZE_TRAIN=num_train_images//train_generator.batch_size
STEP_SIZE_VALID=valid_generator.n//valid_generator.batch_size
STEP_SIZE_TEST=test_generator.n//test_generator.batch_size
metrics = ['accuracy']
loss='categorical_crossentropy'
if pipeline["transfer_learning"] == "soft":
LR = pipeline['LR']
else:
LR = pipeline["stage_config"][iteracion]['LR']
print(f"LEARNING RATE: {LR}")
adam = Adam(lr=float(LR))
finetune_model.compile(adam, loss=loss, metrics=metrics)
early = EarlyStopping(monitor='val_loss',
min_delta=1e-3,
patience=5,
verbose=1,
restore_best_weights=True)
history = finetune_model.fit(train_generator,
epochs=NUM_EPOCHS,
workers=1,
steps_per_epoch=STEP_SIZE_TRAIN,
validation_data=valid_generator,
validation_steps=STEP_SIZE_VALID,
verbose=1,
callbacks=[early])
val_score=finetune_model.evaluate(valid_generator,verbose=0,steps=STEP_SIZE_VALID)
test_score=finetune_model.evaluate(test_generator,verbose=0,steps=STEP_SIZE_TEST)
print("Val Loss : ", val_score[0])
print("Test Loss : ", test_score[0])
print("Val Accuracy : ", val_score[1])
print("Test Accuracy : ", test_score[1])
end_model = time.time()
time_training = end_model - start_model
print(f"training {architecture}",time_training)
logs = []
logs.append([kfold,iteracion,architecture,val_score[0],val_score[1],
test_score[0],test_score[1]])
logs_time = []
logs_time.append([kfold,iteracion,architecture,time_training])
save_logs(logs,'train',pipeline)
save_logs(logs_time,'time',pipeline)
save_plots(history, kfold, iteracion, architecture, pipeline)
model_performance['val_acc'] = val_score[1]
model_performance['test_acc'] = test_score[1]
if pipeline['save_model']:
save_path_model = os.path.join(
pipeline['save_path_model'],
f'{kfold}_{iteracion}_{architecture}.h5')
finetune_model.save(save_path_model)
model_performance['val_acc'] = val_score[1]
return save_path_model , model_performance
return finetune_model , model_performance
def ssl_global(model_zoo, pipeline):
datos = {}
datos["df_base"] = get_dataset(pipeline)
datos = split_train_test(datos, pipeline)
# Medir tiempo de ejecucion
import time
start = time.time()
split_kfold = pipeline["split_kfold"]
num_kfold = pipeline["num_kfold"]
for kfold in range(num_kfold):
models_info = {}
datos = get_Fold(kfold, datos, pipeline)
datos_by_fold = {"kfold": kfold, "datos": datos}
datos_total.append(datos_by_fold)
df_datos = pd.DataFrame(datos_total)
datos_path = pipeline["save_path_stats"] + 'exp_' + str(
pipeline["id"]) + '_' + str(kfold) + '_data.pkl'
df_datos.to_pickle(datos_path)
numero_lotes = len(datos["batch_set"])
#datos["batch_set"][0]
for iteracion in range(numero_lotes * 1):
kfold_info = f"K-FOLD {kfold}/{num_kfold} - ITERACION {iteracion}/{numero_lotes}"
print("\n")
print("#" * len(kfold_info))
print(kfold_info)
print("#" * len(kfold_info))
print("\n")
print("\n")
print(f"CLASS DISTRIBUTION - BATCH_SET {iteracion}")
print(datos["batch_set"][iteracion].groupby(
pipeline["y_col_name"]).count())
print(f"OK - CLASS DISTRIBUTION - BATCH_SET {iteracion}")
print("\n")
if iteracion == 0:
etapa = 'train'
else:
etapa = 'train_EL'
#print(pipeline["save_path_stats"]+str(pipeline["id"])+'_'+str(iteracion)+'.pkl')
for model in model_zoo:
#print("##########")
#print("AUG_FACTOR - CURRENT: ", pipeline["stage_config"][iteracion]["aug_factor"])
#pipeline["aug_factor"] = pipeline["stage_config"][iteracion]["aug_factor"]
print("AUG_FACTOR: ", pipeline["aug_factor"])
model_memory, model_performance = training(
kfold, etapa, datos, model, iteracion, models_info,
classification_metrics, pipeline)
models_info[model] = {
'model_memory': model_memory,
'model_performance': model_performance['val_acc']
}
df_temp = pd.DataFrame(models_info).T
top_models = df_temp.sort_values('model_performance',
ascending=False)
top_models = top_models.reset_index()['index'].values.tolist()[:3]
mod_top1, arch_top1 = models_info[
top_models[0]]['model_memory'], top_models[0]
mod_top2, arch_top2 = models_info[
top_models[1]]['model_memory'], top_models[1]
mod_top3, arch_top3 = models_info[
top_models[2]]['model_memory'], top_models[2]
#if pipeline['save_model']:
# mod_top1 = load_model(mod_top1, compile=True)
# mod_top2 = load_model(mod_top2, compile=True)
# mod_top3 = load_model(mod_top3, compile=True)
# Medir tiempo de ejecucion
import time
start = time.time()
print("EVALUATING CO-TRAINING ...")
print("\n")
#print("Co-train: ", evaluate_cotrain(mod_top1,mod_top2,mod_top3,arch_top1,
# arch_top2,arch_top3,datos,etapa,kfold,
# iteracion,pipeline,models_info,logs))
cotrain_acc, cotrain_infer_dfs = evaluate_cotrain(
mod_top1, mod_top2, mod_top3, arch_top1, arch_top2, arch_top3,
datos, etapa, kfold, iteracion, pipeline, models_info, logs)
print("Co-train: ", cotrain_acc)
df_cotrain_info = {
"kfold": kfold,
"iteracion": iteracion,
"df_arch1": cotrain_infer_dfs[0],
"df_arch2": cotrain_infer_dfs[1],
"df_arch3": cotrain_infer_dfs[2]
}
cotrain_list.append(df_cotrain_info)
df_cotrain_list = pd.DataFrame(cotrain_list)
#print(df_cotrain_list)
infer_pkl = pipeline["save_path_stats"] + 'exp_' + str(
pipeline["id"]) + '_' + str(iteracion) + '_cotrain_eval.pkl'
print("SAVING COTRAIN EVAL PICKLE")
df_cotrain_list.to_pickle(infer_pkl)
print("OK - SAVING COTRAIN EVAL PICKLE")
print("\n")
print("OK - EVALUATING CO-TRAINING")
end = time.time()
infer_time = end - start
# SAVE INFER_TIME BY DF_TEST BY ITERATION AND ARCH
print(infer_time, len(datos["df_test"]))
logs_infer_time = []
logs_infer_time.append([
kfold, iteracion, 'co-train', infer_time,
len(datos["df_test"])
])
save_logs(logs_infer_time, 'infer_time', pipeline)
print(f"GETTING BATCH_SET OF ITERATION {iteracion}...")
df_batchset = datos["batch_set"][iteracion]
df_batchset.columns = [
pipeline["x_col_name"], pipeline["y_col_name"]
]
df_batchset[pipeline["y_col_name"]] = '0'
datos['df_batchset'] = df_batchset
print("LABELING ...")
datos, EL_iter, LC_iter, label_infer_df = labeling(
etapa, mod_top1, mod_top2, mod_top3, arch_top1, arch_top2,
arch_top3, datos, pipeline, iteracion, models_info)
df_label_info = {
"kfold": kfold,
"iteracion": iteracion,
"df_arch1": label_infer_df[0],
"df_arch2": label_infer_df[1],
"df_arch3": label_infer_df[2]
}
label_list.append(df_label_info)
df_label_list = pd.DataFrame(label_list)
#print(df_label_list)
label_pkl = pipeline["save_path_stats"] + 'exp_' + str(
pipeline["id"]) + '_' + str(iteracion) + '_labeling.pkl'
print("SAVING LABEL PICKLE")
df_label_list.to_pickle(label_pkl)
print("OK - SAVING LABEL PICKLE")
print("OK - LABELING")
print("EL_iter", len(EL_iter))
print("LC_iter", len(LC_iter))
df_EL = pd.DataFrame(datos["EL"],
columns=[
pipeline["x_col_name"],
pipeline["y_col_name"], 'arch_scores'
])
df_LC = pd.DataFrame(datos["LC"],
columns=[
pipeline["x_col_name"],
pipeline["y_col_name"], 'arch_scores'
])
df_EL.to_pickle(pipeline["save_path_stats"] + 'exp_' +
str(pipeline["id"]) + '_' + str(iteracion) +
'_EL.pickle')
df_LC.to_pickle(pipeline["save_path_stats"] + 'exp_' +
str(pipeline["id"]) + '_' + str(iteracion) +
'_LC.pickle')
df_label_stats = label_stats(df_EL, df_LC, pipeline)
#df_label_stats.to_pickle(pipeline["save_path_stats"]+'exp_'+str(pipeline["id"])+'_'+str(iteracion)+'.pickle')
df_label_stats.to_pickle(pipeline["save_path_stats"] + 'exp_' +
str(pipeline["id"]) + '_' +
str(iteracion) + '_stats.pickle')
df_train_EL = pd.concat([datos["df_train"], df_EL.iloc[:, :2]])
datos['df_train_EL'] = df_train_EL
ssl_th = pipeline["ssl_threshold"]
logs_label.append([
kfold, iteracion, arch_top1, arch_top2, arch_top3,
len(EL_iter),
len(LC_iter), ssl_th
])
save_logs(logs_label, 'label', pipeline)
reset_keras(pipeline)
#if pipeline["restart_weights"]:
# reset_keras()
#random.seed(SEED)
#np.random.seed(SEED)
#tensorflow.random.set_random_seed(SEED)
end = time.time()
print(end - start)
def training(kfold, etapa, datos, architecture, iteracion, models_info,
classification_metrics, pipeline):
import time
callbacks_finetune = []
start_model = time.time()
base_model, preprocess_input = get_model(architecture, iteracion,
models_info, pipeline)
model_performance = {}
print("USING TRANSFORMATIONS FROM SSL_TRAIN")
datagen = ImageDataGenerator(
preprocessing_function=preprocess_input,
rotation_range=40,
width_shift_range=0.1,
height_shift_range=0.1,
shear_range=0.01,
zoom_range=[0.9, 1.25],
horizontal_flip=True,
vertical_flip=False,
fill_mode='reflect',
#data_format='channels_last'
)
print("OK - USING TRANSFORMATIONS FROM SSL_TRAIN")
if etapa == 'train':
print("CREATING GENERATOR FOR TRAIN FROM SSL_TRAIN")
train_generator = datagen.flow_from_dataframe(
dataframe=datos['df_train'],
x_col=pipeline["x_col_name"],
y_col=pipeline["y_col_name"],
target_size=(pipeline['img_height'], pipeline['img_width']),
class_mode='categorical',
batch_size=pipeline["batch_size"],
seed=42,
shuffle=True)
print("OK - CREATING GENERATOR FOR TRAIN FROM SSL_TRAIN")
print("CLASS DISTRIBUTION - TRAIN INIT")
print(datos['df_train'].groupby(pipeline["y_col_name"]).count())
print("OK - CLASS DISTRIBUTION - TRAIN INIT")
y_train_unique = datos['df_train'][pipeline["y_col_name"]].unique()
df_y_train_unique = datos['df_train'][pipeline["y_col_name"]]
print("CLASS Y_TRAIN UNIQUE")
print(y_train_unique)
print("OK - CLASS Y_TRAIN UNIQUE")
if etapa == 'train_EL':
print("CREATING GENERATOR FOR TRAIN FROM SSL_TRAIN")
train_generator = datagen.flow_from_dataframe(
dataframe=datos['df_train_EL'],
x_col=pipeline["x_col_name"],
y_col=pipeline["y_col_name"],
target_size=(pipeline['img_height'], pipeline['img_width']),
class_mode='categorical',
batch_size=pipeline["batch_size"],
seed=42,
shuffle=True)
print("OK - CREATING GENERATOR FOR TRAIN_EL FROM SSL_TRAIN")
print("CLASS DISTRIBUTION - TRAIN EL")
print(datos['df_train_EL'].groupby(pipeline["y_col_name"]).count())
print("OK - CLASS DISTRIBUTION - TRAIN INIT")
y_train_unique = datos['df_train_EL'][pipeline["y_col_name"]].unique()
df_y_train_unique = datos['df_train_EL'][pipeline["y_col_name"]]
if len(datos['df_val']) > 0:
print("CREATING GENERATOR FOR VAL FROM SSL_TRAIN")
val_datagen = ImageDataGenerator(
preprocessing_function=preprocess_input)
valid_generator = val_datagen.flow_from_dataframe(
dataframe=datos['df_val'],
x_col=pipeline["x_col_name"],
y_col=pipeline["y_col_name"],
batch_size=pipeline["batch_size"],
seed=42,
shuffle=True,
class_mode="categorical",
target_size=(pipeline['img_height'], pipeline['img_width']))
print("OK - CREATING GENERATOR FOR VAL FROM SSL_TRAIN")
print("CREATING GENERATOR FOR TEST FROM SSL_TRAIN")
test_datagen = ImageDataGenerator(preprocessing_function=preprocess_input)
test_generator1 = test_datagen.flow_from_dataframe(
dataframe=datos['df_test1'],
x_col=pipeline["x_col_name"] + '1',
y_col=pipeline["y_col_name"] + '1',
batch_size=pipeline["batch_size"],
seed=42,
shuffle=False,
class_mode="categorical",
target_size=(pipeline['img_height'], pipeline['img_width']))
test_generator2 = test_datagen.flow_from_dataframe(
dataframe=datos['df_test2'],
x_col=pipeline["x_col_name"] + '2',
y_col=pipeline["y_col_name"] + '2',
batch_size=pipeline["batch_size"],
seed=42,
shuffle=False,
class_mode="categorical",
target_size=(pipeline['img_height'], pipeline['img_width']))
print("OK - CREATING GENERATOR FOR TEST FROM SSL_TRAIN")
num_classes = len(datos["df_train"][pipeline["y_col_name"]].unique())
print("NUM CLASSES", num_classes)
if pipeline["transfer_learning"] == "classic":
if pipeline["restart_weights"]:
print("TRANSFER LEARNING - CLASSIC + YES RESTART WEIGHTS")
finetune_model = transfer_learning_classic(base_model, num_classes,
pipeline)
print("OK - TRANSFER LEARNING - CLASSIC + YES RESTART WEIGHTS")
else:
if etapa == 'train':
print("TRANSFER LEARNING - TRAIN + CLASSIC")
finetune_model = transfer_learning_classic(
base_model, num_classes, pipeline)
print("OK - TRANSFER LEARNING - TRAIN + CLASSIC")
elif etapa == 'train_EL':
print(
"TRANSFER LEARNING - TRAIN_EL + CLASSIC + NO RESTART WEIGHTS"
)
finetune_model = base_model
print(
"OK - TRANSFER LEARNING - TRAIN_EL + CLASSIC + NO RESTART WEIGHTS"
)
elif pipeline["transfer_learning"] == "soft":
print("TRANSFER LEARNING - TRAIN + SOFT")
finetune_model = transfer_learning_soft(
base_model, num_classes, pipeline["stage_config"][iteracion])
print("OK - TRANSFER LEARNING - TRAIN + SOFT")
if pipeline["use_stage_config"]:
NUM_EPOCHS = pipeline["stage_config"][iteracion]["train_epochs"]
AUG_FACTOR = pipeline["stage_config"][iteracion]["aug_factor"]
else:
NUM_EPOCHS = pipeline["train_epochs"]
AUG_FACTOR = pipeline["aug_factor"]
print("\n")
print("USING AUG_FACTOR OF: ", AUG_FACTOR)
print("\n")
if etapa == 'train':
#NUM_EPOCHS = pipeline["modality_config"][pipeline["modality"]]["train_epochs"]
num_train_images = len(datos['df_train']) * AUG_FACTOR
if etapa == 'train_EL':
#NUM_EPOCHS = pipeline["modality_config"][pipeline["modality"]]["batch_epochs"]
num_train_images = len(datos['df_train_EL']) * AUG_FACTOR
STEP_SIZE_TRAIN = num_train_images // train_generator.batch_size
STEP_SIZE_VALID = valid_generator.n // valid_generator.batch_size
STEP_SIZE_TEST1 = test_generator1.n // test_generator1.batch_size
STEP_SIZE_TEST2 = test_generator2.n // test_generator2.batch_size
metrics = ['accuracy']
loss = 'categorical_crossentropy'
if pipeline["transfer_learning"] == "classic":
LR = pipeline['learning_rate']
elif pipeline["transfer_learning"] == "soft":
LR = pipeline["stage_config"][iteracion]['LR']
#lr_schedule = ExponentialDecay(
# initial_learning_rate=1e-2,
# decay_steps=10000,
# decay_rate=0.9)
#print(f"LEARNING RATE: {lr_schedule}")
print(f"LEARNING RATE: {LR}")
optimizer = Adam(lr=float(LR))
finetune_model.compile(optimizer, loss=loss, metrics=metrics)
if pipeline["early_stopping"]:
early = EarlyStopping(monitor='val_loss',
min_delta=1e-3,
patience=pipeline["early_stopping_patience"],
verbose=1,
restore_best_weights=True)
callbacks_finetune.append(early)
if pipeline["reduce_lr"]:
print("USING REDUCE_LR")
reduce_lr_loss = ReduceLROnPlateau(
monitor='val_loss',
factor=0.1,
patience=pipeline["reduce_lr_patience"],
verbose=1,
mode='min')
callbacks_finetune.append(reduce_lr_loss)
print(reduce_lr_loss)
print(callbacks_finetune)
print("OK - USING REDUCE_LR")
if pipeline["checkpoint"]:
#mod_filename = f'{kfold}_{architecture}_{iteracion}_'+'{epoch:02d}-{val_loss:.2f}.hdf5'
mod_filename = f'{kfold}_{architecture}_{iteracion}.h5'
mod_path = os.path.join(pipeline["save_path_models"], mod_filename)
mcp_save = ModelCheckpoint(mod_path,
save_best_only=True,
monitor='val_loss',
verbose=1,
mode='auto',
save_weights_only=False)
callbacks_finetune.append(mcp_save)
if len(callbacks_finetune) == 0:
callbacks_finetune = None
if pipeline["class_weight"]:
import numpy as np
from sklearn.utils import class_weight
print("CALCULATING CLASS_WEIGHTS")
if etapa == 'train':
class_weights = calculate_weights(datos['df_train'], pipeline)
if etapa == 'train_EL':
class_weights = calculate_weights(datos['df_train_EL'], pipeline)
#class_weights = class_weight.compute_class_weight('balanced',
# np.unique(train_generator.classes),
# train_generator.classes)
print("OK - CALCULATING CLASS_WEIGHTS")
print("USING CLASS WEIGHTING")
print(class_weights)
print("OK - CLASS WEIGHTING")
else:
class_weights = None
print("CALLBACKS FINETUNE")
print(callbacks_finetune)
print("OK - CALLBACKS FINETUNE")
history = finetune_model.fit(
train_generator,
epochs=NUM_EPOCHS,
workers=1,
steps_per_epoch=STEP_SIZE_TRAIN,
validation_data=valid_generator,
validation_steps=STEP_SIZE_VALID,
verbose=1,
callbacks=callbacks_finetune,
class_weight=class_weights,
)
val_score = finetune_model.evaluate(valid_generator,
verbose=0,
steps=STEP_SIZE_VALID)
test1_score = finetune_model.evaluate(test_generator1,
verbose=0,
steps=STEP_SIZE_TEST1)
test2_score = finetune_model.evaluate(test_generator2,
verbose=0,
steps=STEP_SIZE_TEST2)
class_metrics1 = classification_metrics(finetune_model, train_generator,
test_generator1, STEP_SIZE_TEST1,
kfold, iteracion, architecture,
pipeline)
class_metrics2 = classification_metrics(finetune_model, train_generator,
test_generator2, STEP_SIZE_TEST2,
kfold, iteracion, architecture,
pipeline)
print("Val Loss : ", val_score[0])
print("Test1 Loss : ", test1_score[0])
print("Test2 Loss : ", test2_score[0])
print("Val Accuracy : ", val_score[1])
print("Test1 Accuracy : ", test1_score[1])
print("Test2 Accuracy : ", test2_score[1])
print(f"Test1 Precision: {class_metrics1[0]}")
print(f"Test1 Recall: {class_metrics1[1]}")
print(f"Test1 F1-Score: {class_metrics1[2]}")
print(f"Test1 Support: {class_metrics1[3]}")
print(f"Test2 Precision: {class_metrics2[0]}")
print(f"Test2 Recall: {class_metrics2[1]}")
print(f"Test2 F1-Score: {class_metrics2[2]}")
print(f"Test2 Support: {class_metrics2[3]}")
end_model = time.time()
time_training = end_model - start_model
print(f"training time of - {architecture}", time_training)
if pipeline["checkpoint"]:
from tensorflow.keras.models import load_model
print(f"LOADING BEST MODEL FROM {mod_path}")
model_checkpoint_finetune = load_model(mod_path, compile=True)
val_score = model_checkpoint_finetune.evaluate(valid_generator,
verbose=1,
steps=STEP_SIZE_VALID)
test_score = model_checkpoint_finetune.evaluate(test_generator,
verbose=1,
steps=STEP_SIZE_TEST)
print("Val Accuracy from Best: ", val_score[1])
print("Test Accuracy from Best: ", test_score[1])
logs = []
logs.append([
kfold, iteracion, architecture, val_score[0], val_score[1],
test1_score[0], test1_score[1], class_metrics1[0], class_metrics1[1],
class_metrics1[2], test2_score[0], test2_score[1], class_metrics2[0],
class_metrics2[1], class_metrics2[2]
])
logs_time = []
logs_time.append([kfold, iteracion, architecture, time_training])
save_logs(logs, 'train', pipeline)
save_logs(logs_time, 'time', pipeline)
save_plots(history, kfold, iteracion, architecture, pipeline)
model_performance['val_acc'] = val_score[1]
model_performance['test1_acc'] = test1_score[1]
model_performance['test2_acc'] = test2_score[1]
exp_id = str(pipeline["id"])
if pipeline['checkpoint']:
return model_checkpoint_finetune, model_performance
save_path_model = os.path.join(
pipeline['save_path_model'], pipeline['dataset_base'],
f'exp_{exp_id}_{kfold}_{iteracion}_{architecture}.h5')
# SAVE MODELS BEST_ONLY # MODEL CHECKPOINT
# https://stackoverflow.com/questions/48285129/saving-best-model-in-keras
import time
start = time.time()
print(f"SAVING MODEL ON {save_path_model}")
finetune_model.save(save_path_model)
print(f"OK - SAVING MODEL ON {save_path_model}")
end = time.time()
end_time = end - start
print(f"TOTAL TIME TO SAVE: {end_time}")
model_performance['val_acc'] = val_score[1]
return save_path_model, model_performance
return finetune_model, model_performance
def evaluate_cotrain(modelo1,modelo2,modelo3,
arquitectura1,arquitectura2,arquitectura3,
datos, etapa, kfold, iteracion,
pipeline, models_info, logs):
train_generator_arch1,test_generator_arch1,STEP_SIZE_TEST_arch1=generadores(etapa,arquitectura1,datos,pipeline,False,iteracion,models_info)
train_generator_arch2,test_generator_arch2,STEP_SIZE_TEST_arch2=generadores(etapa,arquitectura2,datos,pipeline,False,iteracion,models_info)
train_generator_arch3,test_generator_arch3,STEP_SIZE_TEST_arch3=generadores(etapa,arquitectura3,datos,pipeline,False,iteracion,models_info)
df1=evaluar(modelo1,train_generator_arch1,test_generator_arch1,STEP_SIZE_TEST_arch1)
df2=evaluar(modelo2,train_generator_arch2,test_generator_arch2,STEP_SIZE_TEST_arch2)
df3=evaluar(modelo3,train_generator_arch3,test_generator_arch3,STEP_SIZE_TEST_arch3)
import numpy as np
predicciones = []
predicciones_logs = []
for i in range(len(df1)):
c1 = (df1['Predictions'][i] == df2['Predictions'][i])
c2 = (df1['Predictions'][i] == df3['Predictions'][i])
c3 = (df2['Predictions'][i] == df3['Predictions'][i])
if c1 or c2:
predicciones.append([df1['Filename'][i],df1['Predictions'][i]])
selected = df1['Predictions'][i]
prob_selected = df1["Max_Probability"][i]
predicciones_logs.append([df1['Filename'][i],selected,prob_selected,"democ",
df1['Predictions'][i],df1['Max_Probability'][i],
df2["Predictions"][i],df2['Max_Probability'][i],
df3["Predictions"][i],df3['Max_Probability'][i]])
elif c3:
predicciones.append([df2['Filename'][i],df2['Predictions'][i]])
selected = df2['Predictions'][i]
prob_selected = df2["Max_Probability"][i]
predicciones_logs.append([df1['Filename'][i],selected,prob_selected,"democ",
df1['Predictions'][i],df1['Max_Probability'][i],
df2["Predictions"][i],df2['Max_Probability'][i],
df3["Predictions"][i],df3['Max_Probability'][i]])
else:
probabilidades = np.array([df1['Max_Probability'][i],df2['Max_Probability'][i],df3['Max_Probability'][i]])
indice_prob_max = probabilidades.argmax()
clases = np.array([df1['Predictions'][i],df2['Predictions'][i],df3['Predictions'][i]])
real = np.array([df1['Filename'][i],df2['Filename'][i],df3['Filename'][i]])
predicciones.append([real[indice_prob_max],clases[indice_prob_max]])
selected = clases[indice_prob_max]
prob_selected = probabilidades[indice_prob_max]
predicciones_logs.append([df1['Filename'][i],selected,prob_selected,"max",
df1['Predictions'][i],df1['Max_Probability'][i],
df2["Predictions"][i],df2['Max_Probability'][i],
df3["Predictions"][i],df3['Max_Probability'][i]])
results = pd.DataFrame(predicciones,columns=["filename","predictions"])
results['filename'] = results['filename'].apply(lambda x:x.split('/')[-2])
y_true = results['filename'].values.tolist()
y_pred = results['predictions'].values.tolist()
labels_arch1 = (train_generator_arch1.class_indices)
print("LABELS CO-TRAIN")
print([*labels_arch1])
architecture = 'co-train'
class_metrics = precision_recall_fscore_support(y_true, y_pred, average=pipeline["metrics"])
# TODO Bugfix Calculate Confusion Matrix
#cm = calculate_confusion_matrix(y_true, y_pred)
# TODO Bugfix Calculate Confusion Matrix
#save_confusion_matrix(cm, [*labels_arch1], kfold, iteracion, architecture, pipeline)
# TODO Bugfix Calculate Confusion Matrix
# normalize confusion matrix
#if pipeline["cm_normalize"]:
# cm = cm.astype('float') / cm.sum(axis=1)[:, np.newaxis]
# cm = np.round(cm, 2)
# TODO Bugfix Calculate Confusion Matrix
#plot_confusion_matrix(cm, [*labels_arch1], kfold, iteracion, architecture, pipeline)
#acc_cls = accuracy_by_class(cm, [*labels_arch1])
#print("ACCURACY BY CLASS")
#print(acc_cls)
#print("LEN ACCURACY BY CLASS")
#print(len(acc_cls))
# SAVE ACC_CLS
#logs_accBycls = []
#logs_accBycls.append([kfold,iteracion,architecture,acc_cls])
#save_logs(logs_accBycls, 'accBycls', pipeline)
#plot_confusion_matrix(y_true, y_pred, [*labels_arch1], kfold, iteracion, architecture, pipeline)
from sklearn.metrics import accuracy_score
co_train_accu = accuracy_score(y_true,y_pred)
#co_train_accu = accuracy_score(y_pred, y_true)
logs.append([kfold,iteracion,architecture,None,None,None,co_train_accu,
class_metrics[0],class_metrics[1],class_metrics[2],class_metrics[3]])
print(f"Co-train Accuracy: {co_train_accu}")
print(f"Co-train Precision: {class_metrics[0]}")
print(f"Co-train Recall: {class_metrics[1]}")
print(f"Co-train F1-Score: {class_metrics[2]}")
print(f"Co-train Support: {class_metrics[3]}")
save_logs(logs,'train',pipeline)
return co_train_accu, [df1,df2,df3]
def ssl_global(archivos, model_zoo, csvs, pipeline):
datos = {}
models_info = {}
#df_train, df_val, df_test1, df_test2 = get_data(archivos, csvs, pipeline) ACA VOY
# Medir tiempo de ejecucion
#import time
start = time.time()
fold = dividir_balanceado2(df_train, 4)
for kfold in range(1):
if dataset == 'gleasson':
#import pandas as pd
df_train_58 = pd.DataFrame([fold[kfold][0], fold[kfold][2]]).T
df_train_58.columns = [x_col_name, y_col_name]
df_val = pd.DataFrame([fold[kfold][1], fold[kfold][3]]).T
df_val.columns = [x_col_name, y_col_name]
fold1 = dividir_balanceado2(df_train_58, 4)
df_train = pd.DataFrame([fold1[0][1], fold1[0][3]]).T
df_train.columns = [x_col_name, y_col_name]
df_train.to_csv('data/train.csv', index=False)
df_val.to_csv('data/val.csv', index=False)
df_test1.to_csv('data/test1.csv', index=False)
df_test2.to_csv('data/test2.csv', index=False)
df_U = pd.DataFrame([fold1[0][0], fold1[0][2]]).T
df_U.columns = [x_col_name, y_col_name]
EL, LC = [], []
print("train :", len(df_train))
print("val :", len(df_val))
print("u :", len(df_U))
# Segmentación de U en lotes para etiquetar
batch_set = list(dividir_lotes(df_U, numero_lotes))
for i in range(len(batch_set)):
print(len(batch_set[i].iloc[:, 0].values.tolist()))
datos['df_train'] = df_train
datos['df_val'] = df_val
datos['df_test1'] = df_test1
datos['df_test2'] = df_test2
for iteracion in range(numero_lotes * 1):
#import random
random.seed(SEED)
np.random.seed(SEED)
tensorflow.random.set_random_seed(SEED)
print("\n######################")
print("K-FOLD {} - ITERACION {}".format(kfold, iteracion))
print("######################\n")
if iteracion == 0:
etapa = 'train'
else:
etapa = 'train_EL'
print(pipeline["path_label_stats"] + str(pipeline["id"]) + '_' +
str(iteracion) + '.pickle')
for model in model_zoo:
model_memory, model_performance = entrenamiento(
kfold, etapa, datos, model, train_epochs, batch_epochs,
early_stopping, iteracion, models_info, pipeline)
models_info[model] = {
'model_memory': model_memory,
'model_performance': model_performance['val_acc']
}
#import pandas as pd
df_temp = pd.DataFrame(models_info).T
top_models = df_temp.sort_values('model_performance',
ascending=False)
top_models = top_models.reset_index()['index'].values.tolist()[:3]
mod_top1, arch_top1 = models_info[
top_models[0]]['model_memory'], top_models[0]
mod_top2, arch_top2 = models_info[
top_models[1]]['model_memory'], top_models[1]
mod_top3, arch_top3 = models_info[
top_models[2]]['model_memory'], top_models[2]
if dataset == 'gleasson':
print(
"\nCo-train1: \n",
evaluate_cotrain(mod_top1, mod_top2, mod_top3, arch_top1,
arch_top2, arch_top3,
'gleasson-patologo1', datos, etapa, kfold,
iteracion, pipeline, models_info))
print(
"\nCo-train2: \n",
evaluate_cotrain(mod_top1, mod_top2, mod_top3, arch_top1,
arch_top2, arch_top3,
'gleasson-patologo2', datos, etapa, kfold,
iteracion, pipeline, models_info))
if semi_method == 'supervised':
break
if iteracion < numero_lotes:
df_batchset = batch_set[iteracion]
df_batchset.columns = [x_col_name, y_col_name]
df_batchset[y_col_name] = '0'
else:
if iteracion == numero_lotes:
df_LC = pd.DataFrame(LC)
batch_set_LC = list(dividir_lotes(df_LC, numero_lotes))
for i in range(len(batch_set_LC)):
print(len(batch_set_LC[i].iloc[:, 0].values.tolist()))
LC = []
df_batchset = pd.DataFrame([
batch_set_LC[int(iteracion -
numero_lotes)].iloc[:, 0].values.tolist()
]).T
df_batchset.columns = [x_col_name]
df_batchset[y_col_name] = '0'
datos['df_batchset'] = df_batchset
EL, LC, EL_iter, LC_iter = labeling(etapa, mod_top1, mod_top2,
mod_top3, arch_top1, arch_top2,
arch_top3, EL, LC, datos,
pipeline, iteracion,
models_info)
#logs_label.append([kfold,iteracion,arch_top1,arch_top2,arch_top3,len(EL_iter),len(LC_iter)])
#save_logs(logs_label,'label',pipeline)
#df_EL = pd.DataFrame(EL, columns=[x_col_name, y_col_name, 'arch_scores'])
#df_LC = pd.DataFrame(LC, columns=[x_col_name, y_col_name, 'arch_scores'])
df_EL = pd.DataFrame(
EL_iter, columns=[x_col_name, y_col_name,
'arch_scores']) # EXP30
df_LC = pd.DataFrame(
LC_iter, columns=[x_col_name, y_col_name,
'arch_scores']) # EXP30
df_label_stats = label_stats(df_EL, df_LC)
print(df_label_stats)
df_label_stats.to_pickle(pipeline["path_label_stats"] +
str(pipeline["id"]) + '_' +
str(iteracion) + '.pickle')
#df_train_EL = pd.concat([df_train,df_EL.iloc[:,:2]])
df_train_EL = df_EL.iloc[:, :2].copy() # EXP30
#print(df_train)
print("df_train_EL")
print(df_train_EL)
#print(df_EL.iloc[:,:2])
#print(df_train_EL)
datos['df_train_EL'] = df_train_EL
df_EL_stats = df_label_stats["df_EL_stats"]["df"]
df_LC_stats = df_label_stats["df_LC_stats"]["df"]
df_U_iter = pd.concat([df_EL_stats, df_LC_stats],
ignore_index=True)
#df_U_iter.describe()["arch_scores_mean"]["25%"]
#df_U_iter = pd.concat([df_EL,df_LC], ignore_index=True)
#ssl_th = df_U_iter.describe()["arch_scores_mean"]["mean"]
#EXP 33
#print("df_U_describe")
#print(f"MEAN U_{iteracion}: {ssl_th}")
#print(df_U_iter.describe())
#ssl_th = df_U_iter.describe()["arch_scores_mean"]["25%"]
#print(f"MEAN U_{iteracion}: {ssl_th}")
#print(f" P25 U_{iteracion}: {ssl_th}")
#print(f"NUEVO UMBRAL PARA SSL: {ssl_th}")
#pipeline["ssl_threshold"] = ssl_th
logs_label.append([
kfold, iteracion, arch_top1, arch_top2, arch_top3,
len(EL_iter),
len(LC_iter), ssl_th
])
save_logs(logs_label, 'label', pipeline)
#reset_keras()
#models_info = []
end = time.time()
print(end - start)
def ssl_global(model_zoo, pipeline):
#datos = {}
datos = get_dataset(pipeline)
#print(datos)
#return True
#datos = split_train_test(datos, pipeline)
#return True
# Medir tiempo de ejecucion
import time
start = time.time()
#split_kfold = pipeline["split_kfold"]
#num_kfold = pipeline["num_kfold"]
method = pipeline["method"]
#for kfold in range(num_kfold):
models_info = {}
if method == "semi-supervised":
datos = get_Fold(kfold, datos, pipeline)
#return True
#datos_by_fold = {
# "kfold": kfold,
# "datos": datos
#}
#datos_total.append(datos_by_fold)
#df_datos = pd.DataFrame(datos_total)
#datos_path = pipeline["save_path_stats"] + 'exp_'+str(pipeline["id"])+'_'+str(kfold)+'_data.pkl'
#df_datos.to_pickle(datos_path)
if method == "supervised":
kfold = 0
total_stages = 1 #pipeline["train_epochs"]
elif pipeline[
"labeling_method"] == 'decision' and method == "semi-supervised":
total_stages = len(datos["batch_set"])
elif pipeline[
"labeling_method"] == 'democratic' and method == "semi-supervised":
total_stages = pipeline["labeling_stages"]
else:
pass
for iteracion in range(total_stages * 1):
#kfold_info = f"K-FOLD {kfold}/{num_kfold} - ITERACION {iteracion}/{total_stages}"
#print("\n")
#print("#"*len(kfold_info))
#print(kfold_info)
#print("#"*len(kfold_info))
#print("\n")
info = f"METHOD - {method} - ITERATION {iteracion}/{total_stages}"
if method == "semi-supervised":
print("\n")
print(f"CLASS DISTRIBUTION - BATCH_SET {iteracion}")
if len(datos["LC"]) > 0:
U_set = pd.DataFrame(datos["LC"],
columns=[
pipeline["x_col_name"],
pipeline["y_col_name"], 'arch_scores'
])
#print("LABELING LOW CONFIDENCE SAMPLES (LC)")
print(U_set.groupby(pipeline["y_col_name"]).count())
#print("OK - LABELING LOW CONFIDENCE SAMPLES (LC)")
else:
U_set = datos['U']
#print("LABELING UNLABELED SAMPLES (U)")
print(U_set.groupby(pipeline["y_col_name"]).count())
#print("OK - LABELING UNLABELED SAMPLES (U)")
#print( datos["batch_set"][iteracion].groupby(pipeline["y_col_name"]).count() )
print(f"OK - CLASS DISTRIBUTION - BATCH_SET {iteracion}")
print("\n")
if iteracion == 0 or method == "supervised":
etapa = 'train'
else:
etapa = 'train_EL'
for model in model_zoo:
print("AUG_FACTOR: ", pipeline["aug_factor"])
model_memory, model_performance = training(kfold, etapa, datos,
model, iteracion,
models_info,
classification_metrics,
pipeline)
models_info[model] = {
'model_memory': model_memory,
'model_performance': model_performance['val_acc']
}
df_temp = pd.DataFrame(models_info).T
top_models = df_temp.sort_values('model_performance', ascending=False)
top_models = top_models.reset_index()['index'].values.tolist()[:3]
mod_top1, arch_top1 = models_info[
top_models[0]]['model_memory'], top_models[0]
mod_top2, arch_top2 = models_info[
top_models[1]]['model_memory'], top_models[1]
mod_top3, arch_top3 = models_info[
top_models[2]]['model_memory'], top_models[2]
# Medir tiempo de ejecucion
import time
start = time.time()
print("EVALUATING CO-TRAINING ...")
print("\n")
cotrain_acc1, cotrain_infer_dfs1 = evaluate_cotrain(
mod_top1, mod_top2, mod_top3, arch_top1, arch_top2, arch_top3,
datos, etapa, kfold, iteracion, pipeline, models_info, 'patologo1',
logs)
print("Co-train - Patologo 1: ", cotrain_acc1)
cotrain_acc2, cotrain_infer_dfs2 = evaluate_cotrain(
mod_top1, mod_top2, mod_top3, arch_top1, arch_top2, arch_top3,
datos, etapa, kfold, iteracion, pipeline, models_info, 'patologo2',
logs)
print("Co-train - Patologo 2: ", cotrain_acc2)
df_cotrain_info = {
"kfold": kfold,
"iteracion": iteracion,
"patologo1": {
"df_arch1": cotrain_infer_dfs1[0],
"df_arch2": cotrain_infer_dfs1[1],
"df_arch3": cotrain_infer_dfs1[2]
},
"patologo2": {
"df_arch1": cotrain_infer_dfs2[0],
"df_arch2": cotrain_infer_dfs2[1],
"df_arch3": cotrain_infer_dfs2[2]
},
}
cotrain_list.append(df_cotrain_info)
df_cotrain_list = pd.DataFrame(cotrain_list)
infer_pkl = pipeline["save_path_stats"] + 'exp_' + str(
pipeline["id"]) + '_' + str(iteracion) + '_cotrain_eval.pkl'
print("SAVING COTRAIN EVAL PICKLE")
df_cotrain_list.to_pickle(infer_pkl)
print("OK - SAVING COTRAIN EVAL PICKLE")
print("\n")
print("OK - EVALUATING CO-TRAINING")
end = time.time()
infer_time = end - start
# SAVE INFER_TIME BY DF_TEST BY ITERATION AND ARCH
print(infer_time, len(datos["df_test1"]))
logs_infer_time = []
logs_infer_time.append([
kfold, iteracion, 'co-train1', infer_time,
len(datos["df_test1"])
])
save_logs(logs_infer_time, 'infer_time', pipeline)
if method == "supervised":
print(f"SUPERVISED METHOD COMPLETED FOR ITERATION: {iteracion}")
#reset_keras(pipeline)
continue
print(f"GETTING BATCH_SET OF ITERATION {iteracion}...")
print("LABELING ...")
if pipeline["labeling_method"] == "decision":
datos, EL_iter, LC_iter, EL_accu, LC_accu, label_infer_df = labeling(
etapa, mod_top1, mod_top2, mod_top3, arch_top1, arch_top2,
arch_top3, datos, pipeline, iteracion, models_info)
elif pipeline["labeling_method"] == "democratic":
datos, EL_iter, LC_iter, EL_accu, LC_accu, label_infer_df = labeling_v2(
etapa, mod_top1, mod_top2, mod_top3, arch_top1, arch_top2,
arch_top3, datos, pipeline, iteracion, models_info)
df_label_info = {
"kfold": kfold,
"iteracion": iteracion,
"df_arch1": label_infer_df[0],
"df_arch2": label_infer_df[1],
"df_arch3": label_infer_df[2]
}
label_list.append(df_label_info)
df_label_list = pd.DataFrame(label_list)
label_pkl = pipeline["save_path_stats"] + 'exp_' + str(
pipeline["id"]) + '_' + str(iteracion) + '_labeling.pkl'
print("SAVING LABEL PICKLE")
df_label_list.to_pickle(label_pkl)
print("OK - SAVING LABEL PICKLE")
print("OK - LABELING")
print("EL_iter", len(EL_iter))
print("LC_iter", len(LC_iter))
df_EL = pd.DataFrame(datos["EL"],
columns=[
pipeline["x_col_name"],
pipeline["y_col_name"], 'arch_scores'
])
df_LC = pd.DataFrame(datos["LC"],
columns=[
pipeline["x_col_name"],
pipeline["y_col_name"], 'arch_scores'
])
df_EL.to_pickle(pipeline["save_path_stats"] + 'exp_' +
str(pipeline["id"]) + '_' + str(iteracion) +
'_EL.pickle')
df_LC.to_pickle(pipeline["save_path_stats"] + 'exp_' +
str(pipeline["id"]) + '_' + str(iteracion) +
'_LC.pickle')
df_label_stats = label_stats(df_EL, df_LC, pipeline)
df_label_stats.to_pickle(pipeline["save_path_stats"] + 'exp_' +
str(pipeline["id"]) + '_' + str(iteracion) +
'_stats.pickle')
df_train_EL = pd.concat([datos["df_train"], df_EL.iloc[:, :2]])
datos['df_train_EL'] = df_train_EL
ssl_th = pipeline["ssl_threshold"]
logs_label.append([
kfold, iteracion, arch_top1, arch_top2, arch_top3,
len(EL_iter),
len(LC_iter), EL_accu, LC_accu, ssl_th
])
save_logs(logs_label, 'label', pipeline)
reset_keras(pipeline)
end = time.time()
print(end - start)