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visualize_context.py
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visualize_context.py
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from keras.models import Model
from keras.layers import Input, PReLU, Dense, LSTM, CuDNNLSTM, concatenate, Activation
from keras.layers import Conv1D, BatchNormalization, GlobalAveragePooling1D, Permute, Dropout
from all_datasets_trainingLY import dataset_map
from utils.constants import MAX_SEQUENCE_LENGTH_LIST, NB_CLASSES_LIST, TRAIN_FILES
from utils.generic_utils import load_dataset_at
from utils.keras_utils import visualize_context_vector
from utils.layer_utils import AttentionLSTM
import os
import traceback
import json
from keras import backend as K
def generate_attention_lstmfcn(MAX_SEQUENCE_LENGTH, NB_CLASS, NUM_CELLS=8):
ip = Input(shape=(1, MAX_SEQUENCE_LENGTH))
x = AttentionLSTM(NUM_CELLS)(ip)
x = Dropout(0.8)(x)
y = Permute((2, 1))(ip)
y = Conv1D(128, 8, padding='same', kernel_initializer='he_uniform')(y)
y = BatchNormalization()(y)
y = Activation('relu')(y)
y = Conv1D(256, 5, padding='same', kernel_initializer='he_uniform')(y)
y = BatchNormalization()(y)
y = Activation('relu')(y)
y = Conv1D(128, 3, padding='same', kernel_initializer='he_uniform')(y)
y = BatchNormalization()(y)
y = Activation('relu')(y)
y = GlobalAveragePooling1D()(y)
x = concatenate([x, y])
out = Dense(NB_CLASS, activation='softmax')(x)
model = Model(ip, out)
model.summary()
# add load model code here to fine-tune
return model
if __name__ == '__main__':
# COMMON PARAMETERS 公共参数
DATASET_ID = 0
num_cells = 8
model = generate_attention_lstmfcn # Select model to build
# OLD 85 DATASET PARAMETERS
dataset_name = dataset_map[DATASET_ID][0] # 'cbf' # set to None to try to find out automatically for new datasets
# NEW 43 DATASET PARAMETERS
model_name = 'alstmfcn'
# Visualization params
LIMIT = 1
VISUALIZE_SEQUENCE = True
VISUALIZE_CLASSWISE = False
""" <<<<< SCRIPT SETUP >>>>> """
# Script setup
sequence_length = MAX_SEQUENCE_LENGTH_LIST[DATASET_ID]
nb_classes = NB_CLASSES_LIST[DATASET_ID]
model = model(sequence_length, nb_classes, num_cells)
if DATASET_ID >= 85:
dataset_name = None
if dataset_name is None:
base_weights_dir = '%s_%d_cells_weights/'
dataset_name = TRAIN_FILES[DATASET_ID][8:-6]
weights_dir = base_weights_dir % (model_name, num_cells)
dataset_name = weights_dir + dataset_name
visualize_context_vector(model, DATASET_ID, dataset_name, limit=LIMIT, visualize_sequence=VISUALIZE_SEQUENCE,
visualize_classwise=VISUALIZE_CLASSWISE, normalize_timeseries=True, )