def main(_):
resized_width = 128
resized_height = 128
model = build_CNN()
opt = Adam(lr=FLAGS.learning_rate)
model.compile(loss="categorical_crossentropy",
optimizer=opt,
metrics=["accuracy"])
model.load_weights(os.path.join(FLAGS.path, "save_model", "CNN.h5df"))
image_lists = data_process.create_image_lists(FLAGS.images_dir)
test_datas, test_labels = data_process.get_batch_of_data(
image_lists, -1, FLAGS.images_dir, "test", resized_width,
resized_height)
test_loss, test_acc = model.evaluate(test_datas, test_labels)
print("Test accuracy:{0:.4f}, test loss:{1:.4f}".format(
test_acc, test_loss))
prediction = model.predict(test_datas)
pre_data_dir = "../../predictData/CNN"
if not os.path.exists(pre_data_dir):
os.makedirs(pre_data_dir)
with h5py.File(os.path.join(pre_data_dir, "prediction_and_labels.h5"),
"w") as f:
f["prediction"] = prediction
f["truth"] = test_labels
def main(_):
path = FLAGS.path
image_name = "random"
# Generate a random image
img = np.random.random((128, 128, 3))
# cv2.imwrite(os.path.join(path,"visualization/filter_sample","random_image.jpg"),img*255)
img = np.array([img])
model = build_CNN()
model.load_weights(os.path.join(path, "weights/weights", "model.h5df"))
# Select the corresponding conv_block
layer_names = ["max_pool1", "max_pool2", "max_pool3", "max_pool4"]
#layer_names = ["max_pool1"]
for layer_name in layer_names:
save_path = os.path.join(path + "visualization/filter_sample",
image_name)
if not os.path.exists(save_path):
os.makedirs(save_path)
filters = conv_filter(model, layer_name, img)
filters_show(filters, FLAGS.filter_num, save_path, layer_name + ".jpg")
def main(_):
path = FLAGS.path
images_dir = FLAGS.images.dir
category = "test"
image_lists = data_process.create_image_lists(images_dir)
model = build_CNN()
model.load_weights(os.path.join(path, "weights/weights", "model.h5df"))
# Select a different intermediate layer and change the output figure size in "image_show".
#layer_names=["max_pool1","max_pool2","max_pool3","max_pool4"]
layer_names = ["max_pool4"]
image_num = 120
images = []
file_names = []
for label_index, label_name in enumerate(image_lists.keys()):
image_list = image_lists[label_name][category]
minlist = image_list[0:image_num]
for image_index, image_name in enumerate(minlist):
image_path = os.path.join(images_dir, category, label_name,
image_name)
image_data = cv2.imread(image_path)
images.append(
data_process.image_normalization(image_data, 128, 128))
file_names.append(image_name)
images = np.array(images)
file_names = np.array(file_names)
print(images.shape)
print(file_names.shape)
for layer_name in layer_names:
for label_index, label_name in enumerate(image_lists.keys()):
img_inputs = images[image_num * label_index:image_num *
(label_index + 1)]
img_names = file_names[image_num * label_index:image_num *
(label_index + 1)]
feature_map = conv_output(model, layer_name, img_inputs)
# If you want to save the channel with maximum activation, please comment the next 2 lines.
save_path = os.path.join(path, "visualization/Hidden_layer",
layer_name, label_name)
# If you want to save the channel with maximum activation, please uncomment the next 2 lines.
# save_path = os.path.join(
# path, "visualization/Hidden_layer/activation_max", layer_name, label_name)
if not os.path.exists(save_path):
os.makedirs(save_path)
for i in range(image_num):
image = feature_map[i]
image_name = img_names[i]
# If you want to save the channel with maximum activation, please comment the next lines.
image_show(image, image.shape[-1], save_path, image_name)
def main(_):
path = FLAGS.path
images_dir = FLAGS.images_dir
category = "test"
image_lists = data_process.create_image_lists(images_dir)
model = build_CNN()
model.load_weights(os.path.join(path + "weights/weights", "model.h5df"))
layer_names = ["max_pool1", "max_pool2", "max_pool3", "max_pool4"]
#layer_names = ["max_pool4"]
# Different conv_block with different resolutions
for layer_name in layer_names:
if (layer_name == "max_pool1"):
resolution = "63"
elif (layer_name == "max_pool2"):
resolution = "30"
elif (layer_name == "max_pool3"):
resolution = "14"
elif (layer_name == "max_pool4"):
resolution = "6"
for label_index, label_name in enumerate(image_lists.keys()):
image_list = image_lists[label_name][category]
minlist = image_list[0:120]
for image_index, image_name in enumerate(minlist):
image_path = os.path.join(images_dir, category, label_name,
image_name)
# If you want to save "heatmap", please comment the next 2 lines.
save_path = os.path.join(path, "visualization/CAM", resolution,
label_name)
# If you want to save "heatmap", please uncomment the following.
# save_path = os.path.join(
# path, "visualization/CAM/heatmap", resolution, label_name)
if not os.path.exists(save_path):
os.makedirs(save_path)
Visualizing_heatmaps(model, layer_name, image_path, save_path,
image_name)
def main(_):
resized_width = 128
resized_height = 128
model = build_CNN()
opt = Adam(lr=FLAGS.learning_rate)
model.compile(loss="categorical_crossentropy",
optimizer=opt,
metrics=["accuracy"])
model.load_weights(os.path.join(FLAGS.path,"weights/weights/", "model.h5df"))
image_lists = data_process.create_image_lists(FLAGS.images_dir)
test_datas, test_labels = data_process.get_batch_of_data(
image_lists, -1, FLAGS.images_dir, "test", resized_width, resized_height)
test_loss, test_acc = model.evaluate(test_datas, test_labels)
print("Test accuracy:{0:.4f}, test loss:{1:.4f}".format(test_acc, test_loss))
def main(_):
resized_width = 128
resized_height = 128
since = time.time()
model = build_CNN()
model.summary()
opt = Adam(lr=FLAGS.learning_rate)
model.compile(loss="categorical_crossentropy",
optimizer=opt,
metrics=["accuracy"])
result = get_result()
checkpoint_path = os.path.join(FLAGS.path, "save_model", "CNN.h5df")
checkpoint = ModelCheckpoint(filepath=checkpoint_path,
save_best_only=True,
save_weights_only=True,
monitor="val_acc",
mode=max)
tb = TensorBoard(log_dir=os.path.join(FLAGS.path, "results/results/logs"))
callbacks = [result, checkpoint, tb]
image_lists = data_process.create_image_lists(FLAGS.images_dir)
with gfile.FastGFile(os.path.join(FLAGS.path, "results/output_labels.txt"),
"w") as f:
f.write("\n".join(image_lists.keys()) + "\n")
val_datas, val_labels = data_process.get_batch_of_data(
image_lists, -1, FLAGS.images_dir, "val", resized_width,
resized_height)
model.fit_generator(generate_train_data(image_lists, FLAGS.images_dir,
FLAGS.batch_size, resized_width,
resized_height),
epochs=FLAGS.epochs,
steps_per_epoch=100,
validation_data=(val_datas, val_labels),
callbacks=callbacks)
test_datas, test_labels = data_process.get_batch_of_data(
image_lists, -1, FLAGS.images_dir, "test", resized_width,
resized_height)
test_loss1, test_acc1 = model.evaluate(test_datas, test_labels)
print("Test accuracy:{0:.4f}, test loss:{1:.4f}".format(
test_acc1, test_loss1))
model.load_weights(os.path.join(FLAGS.path, "save_model", "CNN.h5df"))
test_loss2, test_acc2 = model.evaluate(test_datas, test_labels)
time_elapsed = time.time() - since
print("Test accuracy with best validation = {}".format(test_acc2 * 100))
print("Final test accuracy = {}".format(test_acc1 * 100))
print("Total Model Runtime: {}min, {:0.2f}sec".format(
int(time_elapsed // 60), time_elapsed % 60))
with open(os.path.join(FLAGS.path, "results/results/results.txt"),
"w") as f:
f.write("Test accuracy with best validation:" + str(test_acc2) + "\n")
f.write("Final test accuracy: " + str(test_acc1) + "\n")
f.write("Total Model Runtime: " + str(int(time_elapsed // 60)) +
"min," + str(time_elapsed % 60) + "sec")