def get_sub_images_from_prediction_results(para_file, polygons_shp,
image_folder_or_path, image_pattern,
saved_dir):
class_names = parameters.get_string_list_parameters(
para_file, 'object_names')
dstnodata = parameters.get_digit_parameters(para_file, 'dst_nodata', 'int')
bufferSize = parameters.get_digit_parameters(para_file, 'buffer_size',
'int')
rectangle_ext = parameters.get_string_parameters_None_if_absence(
para_file, 'b_use_rectangle')
if rectangle_ext is not None:
b_rectangle = True
else:
b_rectangle = False
process_num = parameters.get_digit_parameters(para_file, 'process_num',
'int')
get_sub_images_pixel_json_files(polygons_shp, image_folder_or_path,
image_pattern, class_names, bufferSize,
dstnodata, saved_dir, b_rectangle,
process_num)
pass
def train_evaluation_deeplab_separate(WORK_DIR, deeplab_dir, expr_name,
para_file, network_setting_ini, gpu_num):
'''
in "train_evaluation_deeplab", run training, stop, then evaluation, then traininng, make learning rate strange, and the results worse.
so in this function, we start two process, one for training, another for evaluation (run on CPU)
'''
# prepare training folder
EXP_FOLDER = expr_name
INIT_FOLDER = os.path.join(WORK_DIR, EXP_FOLDER, 'init_models')
TRAIN_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'train')
EVAL_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'eval')
VIS_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'vis')
EXPORT_DIR = os.path.join(WORK_DIR, EXP_FOLDER, 'export')
io_function.mkdir(INIT_FOLDER)
io_function.mkdir(TRAIN_LOGDIR)
io_function.mkdir(EVAL_LOGDIR)
io_function.mkdir(VIS_LOGDIR)
io_function.mkdir(EXPORT_DIR)
# prepare the tensorflow check point (pretrained model) for training
pre_trained_dir = parameters.get_directory_None_if_absence(
network_setting_ini, 'pre_trained_model_folder')
pre_trained_tar = parameters.get_string_parameters(network_setting_ini,
'TF_INIT_CKPT')
pre_trained_path = os.path.join(pre_trained_dir, pre_trained_tar)
if os.path.isfile(pre_trained_path) is False:
print('pre-trained model: %s not exist, try to download' %
pre_trained_path)
# try to download the file
pre_trained_url = parameters.get_string_parameters_None_if_absence(
network_setting_ini, 'pre_trained_model_url')
res = os.system('wget %s ' % pre_trained_url)
if res != 0:
sys.exit(1)
io_function.movefiletodir(pre_trained_tar, pre_trained_dir)
# unpack pre-trained model to INIT_FOLDER
os.chdir(INIT_FOLDER)
res = os.system('tar -xf %s' % pre_trained_path)
if res != 0:
raise IOError('failed to unpack %s' % pre_trained_path)
os.chdir(WORK_DIR)
dataset_dir = os.path.join(WORK_DIR, 'tfrecord')
batch_size = parameters.get_digit_parameters(network_setting_ini,
'batch_size', 'int')
# maximum iteration number
iteration_num = parameters.get_digit_parameters(network_setting_ini,
'iteration_num', 'int')
base_learning_rate = parameters.get_digit_parameters(
network_setting_ini, 'base_learning_rate', 'float')
train_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_output_stride', 'int')
train_atrous_rates1 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_atrous_rates1', 'int')
train_atrous_rates2 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_atrous_rates2', 'int')
train_atrous_rates3 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_atrous_rates3', 'int')
inf_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_output_stride', 'int')
inf_atrous_rates1 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates1', 'int')
inf_atrous_rates2 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates2', 'int')
inf_atrous_rates3 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates3', 'int')
# depth_multiplier default is 1.0.
depth_multiplier = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'depth_multiplier', 'float')
decoder_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'decoder_output_stride', 'int')
aspp_convs_filters = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'aspp_convs_filters', 'int')
train_script = os.path.join(deeplab_dir, 'train.py')
train_split = os.path.splitext(
parameters.get_string_parameters(para_file,
'training_sample_list_txt'))[0]
model_variant = parameters.get_string_parameters(network_setting_ini,
'model_variant')
checkpoint = parameters.get_string_parameters(network_setting_ini,
'tf_initial_checkpoint')
init_checkpoint_files = io_function.get_file_list_by_pattern(
INIT_FOLDER, checkpoint + '*')
if len(init_checkpoint_files) < 1:
raise IOError('No initial checkpoint in %s with pattern: %s' %
(INIT_FOLDER, checkpoint))
init_checkpoint = os.path.join(INIT_FOLDER, checkpoint)
b_early_stopping = parameters.get_bool_parameters(para_file,
'b_early_stopping')
b_initialize_last_layer = parameters.get_bool_parameters(
para_file, 'b_initialize_last_layer')
dataset = parameters.get_string_parameters(para_file, 'dataset_name')
num_classes_noBG = parameters.get_digit_parameters_None_if_absence(
para_file, 'NUM_CLASSES_noBG', 'int')
assert num_classes_noBG != None
if b_initialize_last_layer is True:
if pre_trained_tar in pre_trained_tar_21_classes:
print(
'warning, pretrained model %s is trained with 21 classes, set num_of_classes to 21'
% pre_trained_tar)
num_classes_noBG = 20
if pre_trained_tar in pre_trained_tar_19_classes:
print(
'warning, pretrained model %s is trained with 19 classes, set num_of_classes to 19'
% pre_trained_tar)
num_classes_noBG = 18
num_of_classes = num_classes_noBG + 1
image_crop_size = parameters.get_string_list_parameters(
para_file, 'image_crop_size')
if len(image_crop_size) != 2 and image_crop_size[0].isdigit(
) and image_crop_size[1].isdigit():
raise ValueError('image_crop_size should be height,width')
crop_size_str = ','.join(image_crop_size)
# validation interval (epoch), do
# validation_interval = parameters.get_digit_parameters_None_if_absence(para_file,'validation_interval','int')
train_count, val_count = get_train_val_sample_count(WORK_DIR, para_file)
iter_per_epoch = math.ceil(train_count / batch_size)
total_epoches = math.ceil(iteration_num / iter_per_epoch)
already_trained_iteration = get_trained_iteration(TRAIN_LOGDIR)
if already_trained_iteration >= iteration_num:
basic.outputlogMessage('Training already run %d iterations, skip' %
already_trained_iteration)
return True
save_interval_secs = 1200 # default is 1200 second for saving model
save_summaries_secs = 600 # default is 600 second for saving summaries
eval_interval_secs = save_interval_secs # default is 300 second for running evaluation, if no new saved model, no need to run evaluation?
train_process = Process(
target=train_deeplab,
args=(train_script, dataset, train_split, num_of_classes,
base_learning_rate, model_variant, init_checkpoint, TRAIN_LOGDIR,
dataset_dir, gpu_num, train_atrous_rates1, train_atrous_rates2,
train_atrous_rates3, train_output_stride, crop_size_str,
batch_size, iteration_num, depth_multiplier,
decoder_output_stride, aspp_convs_filters,
b_initialize_last_layer))
train_process.start()
time.sleep(60) # wait
if train_process.exitcode is not None and train_process.exitcode != 0:
sys.exit(1)
# eval_process.start()
# time.sleep(10) # wait
# if eval_process.exitcode is not None and eval_process.exitcode != 0:
# sys.exit(1)
while True:
# only run evaluation when there is new trained model
already_trained_iteration = get_trained_iteration(TRAIN_LOGDIR)
miou_dict = get_miou_list_class_all(EVAL_LOGDIR, num_of_classes)
basic.outputlogMessage(
'Already trained iteration: %d, latest evaluation at %d step' %
(already_trained_iteration, miou_dict['step'][-1]))
if already_trained_iteration > miou_dict['step'][-1]:
# run evaluation and wait until it finished
gpuid = "" # set gpuid to empty string, making evaluation run on CPU
evl_script = os.path.join(deeplab_dir, 'eval.py')
evl_split = os.path.splitext(
parameters.get_string_parameters(
para_file, 'validation_sample_list_txt'))[0]
# max_eva_number = -1 # run as many evaluation as possible, --eval_interval_secs (default is 300 seconds)
max_eva_number = 1 # only run once inside the while loop, use while loop to control multiple evaluation
eval_process = Process(
target=evaluation_deeplab,
args=(evl_script, dataset, evl_split, num_of_classes,
model_variant, inf_atrous_rates1, inf_atrous_rates2,
inf_atrous_rates3, inf_output_stride, TRAIN_LOGDIR,
EVAL_LOGDIR, dataset_dir, crop_size_str, max_eva_number,
depth_multiplier, decoder_output_stride,
aspp_convs_filters, gpuid, eval_interval_secs))
eval_process.start(
) # put Process inside while loop to avoid error: AssertionError: cannot start a process twice
while eval_process.is_alive():
time.sleep(5)
# check if need early stopping
if b_early_stopping:
print(datetime.now(), 'check early stopping')
miou_dict = get_miou_list_class_all(EVAL_LOGDIR, num_of_classes)
if 'overall' in miou_dict.keys() and len(
miou_dict['overall']) >= 5:
# if the last five miou did not improve, then stop training
if np.all(np.diff(miou_dict['overall'][-5:]) < 0.005
): # 0.0001 (%0.01) # 0.5 %
basic.outputlogMessage(
'early stopping: stop training because overall miou did not improved in the last five evaluation'
)
output_early_stopping_message(TRAIN_LOGDIR)
# train_process.kill() # this one seems not working
# subprocess pid different from ps output
# https://stackoverflow.com/questions/4444141/subprocess-pid-different-from-ps-output
# os.system('kill ' + str(train_process.pid)) # still not working. train_process.pid is not the one output by ps -aux
# train_process.terminate() # Note that descendant processes of the process will not be terminated
# train_process.join() # Wait until child process terminates
with open('train_py_pid.txt', 'r') as f_obj:
lines = f_obj.readlines()
train_pid = int(lines[0].strip())
os.system('kill ' + str(train_pid))
basic.outputlogMessage(
'kill training processing with id: %d' % train_pid)
break # this breaks the while loop, making that it may not evaluate on some new saved model.
# if the evaluation step is less than saved model iteration, run another iteration again immediately
already_trained_iteration = get_trained_iteration(TRAIN_LOGDIR)
miou_dict = get_miou_list_class_all(EVAL_LOGDIR, num_of_classes)
if already_trained_iteration > miou_dict['step'][-1]:
continue
# if finished training
if train_process.is_alive() is False:
break
# # if eval_process exit, then quit training as well
# if eval_process.is_alive() is False and train_process.is_alive():
# train_process.kill()
# break
time.sleep(eval_interval_secs) # wait for next evaluation
# save loss value to disk
get_loss_learning_rate_list(TRAIN_LOGDIR)
# get miou again
miou_dict = get_miou_list_class_all(EVAL_LOGDIR, num_of_classes)
# eval_process did not exit as expected, kill it again.
# os.system('kill ' + str(eval_process.pid))
# get iou and backup
iou_path = os.path.join(EVAL_LOGDIR, 'miou.txt')
loss_path = os.path.join(TRAIN_LOGDIR, 'loss_learning_rate.txt')
patch_info = os.path.join(WORK_DIR, 'sub_images_patches_info.txt')
# backup miou and training_loss & learning rate
test_id = os.path.basename(WORK_DIR) + '_' + expr_name
backup_dir = os.path.join(WORK_DIR, 'result_backup')
if os.path.isdir(backup_dir) is False:
io_function.mkdir(backup_dir)
new_iou_name = os.path.join(backup_dir,
test_id + '_' + os.path.basename(iou_path))
io_function.copy_file_to_dst(iou_path, new_iou_name, overwrite=True)
loss_new_name = os.path.join(backup_dir,
test_id + '_' + os.path.basename(loss_path))
io_function.copy_file_to_dst(loss_path, loss_new_name, overwrite=True)
new_patch_info = os.path.join(backup_dir,
test_id + '_' + os.path.basename(patch_info))
io_function.copy_file_to_dst(patch_info, new_patch_info, overwrite=True)
# plot mIOU, loss, and learnint rate curves, and backup
miou_curve_path = plot_miou_loss_curve.plot_miou_loss_main(
iou_path,
train_count=train_count,
val_count=val_count,
batch_size=batch_size)
loss_curve_path = plot_miou_loss_curve.plot_miou_loss_main(
loss_path,
train_count=train_count,
val_count=val_count,
batch_size=batch_size)
miou_curve_bakname = os.path.join(
backup_dir, test_id + '_' + os.path.basename(miou_curve_path))
io_function.copy_file_to_dst(miou_curve_path,
miou_curve_bakname,
overwrite=True)
loss_curve_bakname = os.path.join(
backup_dir, test_id + '_' + os.path.basename(loss_curve_path))
io_function.copy_file_to_dst(loss_curve_path,
loss_curve_bakname,
overwrite=True)
def train_evaluation_deeplab(WORK_DIR, deeplab_dir, expr_name, para_file,
network_setting_ini, gpu_num):
# prepare training folder
EXP_FOLDER = expr_name
INIT_FOLDER = os.path.join(WORK_DIR, EXP_FOLDER, 'init_models')
TRAIN_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'train')
EVAL_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'eval')
VIS_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'vis')
EXPORT_DIR = os.path.join(WORK_DIR, EXP_FOLDER, 'export')
io_function.mkdir(INIT_FOLDER)
io_function.mkdir(TRAIN_LOGDIR)
io_function.mkdir(EVAL_LOGDIR)
io_function.mkdir(VIS_LOGDIR)
io_function.mkdir(EXPORT_DIR)
# prepare the tensorflow check point (pretrained model) for training
pre_trained_dir = parameters.get_directory_None_if_absence(
network_setting_ini, 'pre_trained_model_folder')
pre_trained_tar = parameters.get_string_parameters(network_setting_ini,
'TF_INIT_CKPT')
pre_trained_path = os.path.join(pre_trained_dir, pre_trained_tar)
if os.path.isfile(pre_trained_path) is False:
print('pre-trained model: %s not exist, try to download' %
pre_trained_path)
# try to download the file
pre_trained_url = parameters.get_string_parameters_None_if_absence(
network_setting_ini, 'pre_trained_model_url')
res = os.system('wget %s ' % pre_trained_url)
if res != 0:
sys.exit(1)
io_function.movefiletodir(pre_trained_tar, pre_trained_dir)
# unpack pre-trained model to INIT_FOLDER
os.chdir(INIT_FOLDER)
res = os.system('tar -xf %s' % pre_trained_path)
if res != 0:
raise IOError('failed to unpack %s' % pre_trained_path)
os.chdir(WORK_DIR)
dataset_dir = os.path.join(WORK_DIR, 'tfrecord')
batch_size = parameters.get_digit_parameters(network_setting_ini,
'batch_size', 'int')
# maximum iteration number
iteration_num = parameters.get_digit_parameters(network_setting_ini,
'iteration_num', 'int')
base_learning_rate = parameters.get_digit_parameters(
network_setting_ini, 'base_learning_rate', 'float')
train_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_output_stride', 'int')
train_atrous_rates1 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_atrous_rates1', 'int')
train_atrous_rates2 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_atrous_rates2', 'int')
train_atrous_rates3 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'train_atrous_rates3', 'int')
inf_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_output_stride', 'int')
inf_atrous_rates1 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates1', 'int')
inf_atrous_rates2 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates2', 'int')
inf_atrous_rates3 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates3', 'int')
# depth_multiplier default is 1.0.
depth_multiplier = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'depth_multiplier', 'float')
decoder_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'decoder_output_stride', 'int')
aspp_convs_filters = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'aspp_convs_filters', 'int')
train_script = os.path.join(deeplab_dir, 'train.py')
train_split = os.path.splitext(
parameters.get_string_parameters(para_file,
'training_sample_list_txt'))[0]
model_variant = parameters.get_string_parameters(network_setting_ini,
'model_variant')
checkpoint = parameters.get_string_parameters(network_setting_ini,
'tf_initial_checkpoint')
init_checkpoint_files = io_function.get_file_list_by_pattern(
INIT_FOLDER, checkpoint + '*')
if len(init_checkpoint_files) < 1:
raise IOError('No initial checkpoint in %s with pattern: %s' %
(INIT_FOLDER, checkpoint))
init_checkpoint = os.path.join(INIT_FOLDER, checkpoint)
b_early_stopping = parameters.get_bool_parameters(para_file,
'b_early_stopping')
b_initialize_last_layer = parameters.get_bool_parameters(
para_file, 'b_initialize_last_layer')
dataset = parameters.get_string_parameters(para_file, 'dataset_name')
num_classes_noBG = parameters.get_digit_parameters_None_if_absence(
para_file, 'NUM_CLASSES_noBG', 'int')
assert num_classes_noBG != None
if b_initialize_last_layer is True:
if pre_trained_tar in pre_trained_tar_21_classes:
print(
'warning, pretrained model %s is trained with 21 classes, set num_of_classes to 21'
% pre_trained_tar)
num_classes_noBG = 20
if pre_trained_tar in pre_trained_tar_19_classes:
print(
'warning, pretrained model %s is trained with 19 classes, set num_of_classes to 19'
% pre_trained_tar)
num_classes_noBG = 18
num_of_classes = num_classes_noBG + 1
image_crop_size = parameters.get_string_list_parameters(
para_file, 'image_crop_size')
if len(image_crop_size) != 2 and image_crop_size[0].isdigit(
) and image_crop_size[1].isdigit():
raise ValueError('image_crop_size should be height,width')
crop_size_str = ','.join(image_crop_size)
evl_script = os.path.join(deeplab_dir, 'eval.py')
evl_split = os.path.splitext(
parameters.get_string_parameters(para_file,
'validation_sample_list_txt'))[0]
max_eva_number = 1
# validation interval (epoch)
validation_interval = parameters.get_digit_parameters_None_if_absence(
para_file, 'validation_interval', 'int')
train_count, val_count = get_train_val_sample_count(WORK_DIR, para_file)
iter_per_epoch = math.ceil(train_count / batch_size)
total_epoches = math.ceil(iteration_num / iter_per_epoch)
already_trained_iteration = get_trained_iteration(TRAIN_LOGDIR)
if already_trained_iteration >= iteration_num:
basic.outputlogMessage('Training already run %d iterations, skip' %
already_trained_iteration)
return True
if validation_interval is None:
basic.outputlogMessage(
'No input validation_interval, so training to %d, then evaluating in the end'
% iteration_num)
# run training
train_deeplab(train_script, dataset, train_split, num_of_classes,
base_learning_rate, model_variant, init_checkpoint,
TRAIN_LOGDIR, dataset_dir, gpu_num, train_atrous_rates1,
train_atrous_rates2, train_atrous_rates3,
train_output_stride, crop_size_str, batch_size,
iteration_num, depth_multiplier, decoder_output_stride,
aspp_convs_filters, b_initialize_last_layer)
# run evaluation
evaluation_deeplab(evl_script, dataset, evl_split, num_of_classes,
model_variant, inf_atrous_rates1, inf_atrous_rates2,
inf_atrous_rates3, inf_output_stride, TRAIN_LOGDIR,
EVAL_LOGDIR, dataset_dir, crop_size_str,
max_eva_number, depth_multiplier,
decoder_output_stride, aspp_convs_filters)
miou_dict = get_miou_list_class_all(EVAL_LOGDIR, num_of_classes)
get_loss_learning_rate_list(TRAIN_LOGDIR)
else:
basic.outputlogMessage(
'training to the maximum iteration of %d, and evaluating very %d epoch(es)'
% (iteration_num, validation_interval))
for epoch in range(validation_interval,
total_epoches + validation_interval,
validation_interval):
to_iter_num = min(epoch * iter_per_epoch, iteration_num)
if to_iter_num <= already_trained_iteration:
continue
basic.outputlogMessage(
'training and evaluating to %d epoches (to iteration: %d)' %
(epoch, to_iter_num))
# run training
train_deeplab(train_script, dataset, train_split, num_of_classes,
base_learning_rate, model_variant, init_checkpoint,
TRAIN_LOGDIR, dataset_dir, gpu_num,
train_atrous_rates1, train_atrous_rates2,
train_atrous_rates3, train_output_stride,
crop_size_str, batch_size, to_iter_num,
depth_multiplier, decoder_output_stride,
aspp_convs_filters, b_initialize_last_layer)
# run evaluation
evaluation_deeplab(evl_script, dataset, evl_split, num_of_classes,
model_variant, inf_atrous_rates1,
inf_atrous_rates2, inf_atrous_rates3,
inf_output_stride, TRAIN_LOGDIR, EVAL_LOGDIR,
dataset_dir, crop_size_str, max_eva_number,
depth_multiplier, decoder_output_stride,
aspp_convs_filters)
# get miou
miou_dict = get_miou_list_class_all(EVAL_LOGDIR, num_of_classes)
# save loss value to disk
get_loss_learning_rate_list(TRAIN_LOGDIR)
# check if need to early stopping
if b_early_stopping:
if len(miou_dict['overall']) >= 5:
# if the last five miou did not improve, then stop training
if np.all(np.diff(miou_dict['overall'][-5:]) < 0.005
): # 0.0001 (%0.01) # 0.5 %
basic.outputlogMessage(
'early stopping: stop training because overall miou did not improved in the last five evaluation'
)
output_early_stopping_message(TRAIN_LOGDIR)
break
# plot mIOU, loss, and learnint rate curves
iou_path = os.path.join(EVAL_LOGDIR, 'miou.txt')
loss_path = os.path.join(TRAIN_LOGDIR, 'loss_learning_rate.txt')
miou_curve_path = plot_miou_loss_curve.plot_miou_loss_main(
iou_path,
train_count=train_count,
val_count=val_count,
batch_size=batch_size)
loss_curve_path = plot_miou_loss_curve.plot_miou_loss_main(
loss_path,
train_count=train_count,
val_count=val_count,
batch_size=batch_size)
# backup miou and training_loss & learning rate
test_id = os.path.basename(WORK_DIR) + '_' + expr_name
backup_dir = os.path.join(WORK_DIR, 'result_backup')
if os.path.isdir(backup_dir) is False:
io_function.mkdir(backup_dir)
new_iou_name = os.path.join(backup_dir,
test_id + '_' + os.path.basename(iou_path))
io_function.copy_file_to_dst(iou_path, new_iou_name, overwrite=True)
miou_curve_bakname = os.path.join(
backup_dir, test_id + '_' + os.path.basename(miou_curve_path))
io_function.copy_file_to_dst(miou_curve_path,
miou_curve_bakname,
overwrite=True)
loss_new_name = os.path.join(backup_dir,
test_id + '_' + os.path.basename(loss_path))
io_function.copy_file_to_dst(loss_path, loss_new_name, overwrite=True)
loss_curve_bakname = os.path.join(
backup_dir, test_id + '_' + os.path.basename(loss_curve_path))
io_function.copy_file_to_dst(loss_curve_path,
loss_curve_bakname,
overwrite=True)
def postProcess(para_file, inf_post_note, b_skip_getshp=False, test_id=None):
# test_id is the related to training
if os.path.isfile(para_file) is False:
raise IOError('File %s not exists in current folder: %s' %
(para_file, os.getcwd()))
# the test string in 'exe.sh'
test_note = inf_post_note
WORK_DIR = os.getcwd()
SECONDS = time.time()
expr_name = parameters.get_string_parameters(para_file, 'expr_name')
network_setting_ini = parameters.get_string_parameters(
para_file, 'network_setting_ini')
inf_dir = parameters.get_directory(para_file, 'inf_output_dir')
if test_id is None:
test_id = os.path.basename(WORK_DIR) + '_' + expr_name
# get name of inference areas
multi_inf_regions = parameters.get_string_list_parameters(
para_file, 'inference_regions')
# run post-processing parallel
# max_parallel_postProc_task = 8
backup_dir = os.path.join(WORK_DIR, 'result_backup')
io_function.mkdir(backup_dir)
# loop each inference regions
sub_tasks = []
same_area_time_inis = group_same_area_time_observations(multi_inf_regions)
region_eva_reports = {}
for key in same_area_time_inis.keys():
multi_observations = same_area_time_inis[key]
area_name = parameters.get_string_parameters(
multi_observations[0],
'area_name') # they have the same name and time
area_time = parameters.get_string_parameters(multi_observations[0],
'area_time')
merged_shp_list = []
map_raster_list_2d = [None] * len(multi_observations)
for area_idx, area_ini in enumerate(multi_observations):
area_remark = parameters.get_string_parameters(
area_ini, 'area_remark')
area_save_dir, shp_pre, _ = get_observation_save_dir_shp_pre(
inf_dir, area_name, area_time, area_remark, test_id)
# get image list
inf_image_dir = parameters.get_directory(area_ini, 'inf_image_dir')
# it is ok consider a file name as pattern and pass it the following functions to get file list
inf_image_or_pattern = parameters.get_string_parameters(
area_ini, 'inf_image_or_pattern')
inf_img_list = io_function.get_file_list_by_pattern(
inf_image_dir, inf_image_or_pattern)
img_count = len(inf_img_list)
if img_count < 1:
raise ValueError(
'No image for inference, please check inf_image_dir and inf_image_or_pattern in %s'
% area_ini)
merged_shp = os.path.join(WORK_DIR, area_save_dir,
shp_pre + '.shp')
if b_skip_getshp:
pass
else:
# post image one by one
result_shp_list = []
map_raster_list = []
for img_idx, img_path in enumerate(inf_img_list):
out_shp, out_raster = inf_results_to_shapefile(
WORK_DIR, img_idx, area_save_dir, test_id)
if out_shp is None or out_raster is None:
continue
result_shp_list.append(os.path.join(WORK_DIR, out_shp))
map_raster_list.append(out_raster)
# merge shapefiles
if merge_shape_files(result_shp_list, merged_shp) is False:
continue
map_raster_list_2d[area_idx] = map_raster_list
merged_shp_list.append(merged_shp)
if b_skip_getshp is False:
# add occurrence to each polygons
get_occurence_for_multi_observation(merged_shp_list)
for area_idx, area_ini in enumerate(multi_observations):
area_remark = parameters.get_string_parameters(
area_ini, 'area_remark')
area_save_dir, shp_pre, area_remark_time = get_observation_save_dir_shp_pre(
inf_dir, area_name, area_time, area_remark, test_id)
merged_shp = os.path.join(WORK_DIR, area_save_dir,
shp_pre + '.shp')
if os.path.isfile(merged_shp) is False:
print('Warning, %s not exist, skip' % merged_shp)
continue
# add attributes to shapefile
# add_attributes_script = os.path.join(code_dir,'datasets', 'get_polygon_attributes.py')
shp_attributes = os.path.join(WORK_DIR, area_save_dir,
shp_pre + '_post_NOrm.shp')
# add_polygon_attributes(add_attributes_script,merged_shp, shp_attributes, para_file, area_ini )
add_polygon_attributes(merged_shp, shp_attributes, para_file,
area_ini)
# remove polygons
# rm_polygon_script = os.path.join(code_dir,'datasets', 'remove_mappedPolygons.py')
shp_post = os.path.join(WORK_DIR, area_save_dir,
shp_pre + '_post.shp')
# remove_polygons(rm_polygon_script,shp_attributes, shp_post, para_file)
remove_polygons_main(shp_attributes, shp_post, para_file)
# evaluate the mapping results
# eval_shp_script = os.path.join(code_dir,'datasets', 'evaluation_result.py')
out_report = os.path.join(WORK_DIR, area_save_dir,
shp_pre + '_evaluation_report.txt')
# evaluation_polygons(eval_shp_script, shp_post, para_file, area_ini,out_report)
evaluation_polygons(shp_post, para_file, area_ini, out_report)
##### copy and backup files ######
# copy files to result_backup
if len(test_note) > 0:
backup_dir_area = os.path.join(
backup_dir, area_name + '_' + area_remark_time + '_' +
test_id + '_' + test_note)
else:
backup_dir_area = os.path.join(
backup_dir,
area_name + '_' + area_remark_time + '_' + test_id)
io_function.mkdir(backup_dir_area)
if len(test_note) > 0:
bak_merged_shp = os.path.join(
backup_dir_area, '_'.join([shp_pre, test_note]) + '.shp')
bak_post_shp = os.path.join(
backup_dir_area,
'_'.join([shp_pre, 'post', test_note]) + '.shp')
bak_eva_report = os.path.join(
backup_dir_area,
'_'.join([shp_pre, 'eva_report', test_note]) + '.txt')
bak_area_ini = os.path.join(
backup_dir_area,
'_'.join([shp_pre, 'region', test_note]) + '.ini')
else:
bak_merged_shp = os.path.join(backup_dir_area,
'_'.join([shp_pre]) + '.shp')
bak_post_shp = os.path.join(
backup_dir_area, '_'.join([shp_pre, 'post']) + '.shp')
bak_eva_report = os.path.join(
backup_dir_area,
'_'.join([shp_pre, 'eva_report']) + '.txt')
bak_area_ini = os.path.join(
backup_dir_area, '_'.join([shp_pre, 'region']) + '.ini')
io_function.copy_shape_file(merged_shp, bak_merged_shp)
io_function.copy_shape_file(shp_post, bak_post_shp)
if os.path.isfile(out_report):
io_function.copy_file_to_dst(out_report,
bak_eva_report,
overwrite=True)
io_function.copy_file_to_dst(area_ini,
bak_area_ini,
overwrite=True)
# copy map raster
b_backup_map_raster = parameters.get_bool_parameters_None_if_absence(
area_ini, 'b_backup_map_raster')
if b_backup_map_raster is True:
if map_raster_list_2d[area_idx] is not None:
for map_tif in map_raster_list_2d[area_idx]:
bak_map_tif = os.path.join(backup_dir_area,
os.path.basename(map_tif))
io_function.copy_file_to_dst(map_tif,
bak_map_tif,
overwrite=True)
region_eva_reports[shp_pre] = bak_eva_report
if len(test_note) > 0:
bak_para_ini = os.path.join(
backup_dir, '_'.join([test_id, 'para', test_note]) + '.ini')
bak_network_ini = os.path.join(
backup_dir, '_'.join([test_id, 'network', test_note]) + '.ini')
bak_time_cost = os.path.join(
backup_dir, '_'.join([test_id, 'time_cost', test_note]) + '.txt')
else:
bak_para_ini = os.path.join(backup_dir,
'_'.join([test_id, 'para']) + '.ini')
bak_network_ini = os.path.join(backup_dir,
'_'.join([test_id, 'network']) + '.ini')
bak_time_cost = os.path.join(backup_dir,
'_'.join([test_id, 'time_cost']) + '.txt')
io_function.copy_file_to_dst(para_file, bak_para_ini)
io_function.copy_file_to_dst(network_setting_ini, bak_network_ini)
if os.path.isfile('time_cost.txt'):
io_function.copy_file_to_dst('time_cost.txt', bak_time_cost)
# output the evaluation report to screen
for key in region_eva_reports.keys():
report = region_eva_reports[key]
if os.path.isfile(report) is False:
continue
print('evaluation report for %s:' % key)
os.system('head -n 7 %s' % report)
# output evaluation report to table
if len(test_note) > 0:
out_table = os.path.join(
backup_dir,
'_'.join([test_id, 'accuracy_table', test_note]) + '.xlsx')
else:
out_table = os.path.join(
backup_dir, '_'.join([test_id, 'accuracy_table']) + '.xlsx')
eva_reports = [
region_eva_reports[key] for key in region_eva_reports
if os.path.isfile(region_eva_reports[key])
]
eva_report_to_tables.eva_reports_to_table(eva_reports, out_table)
duration = time.time() - SECONDS
os.system(
'echo "$(date): time cost of post-procesing: %.2f seconds">>time_cost.txt'
% duration)
def main(options, args):
print(
"%s : prediction using the trained model (run parallel if use multiple GPUs) "
% os.path.basename(sys.argv[0]))
machine_name = os.uname()[1]
start_time = datetime.datetime.now()
para_file = args[0]
if os.path.isfile(para_file) is False:
raise IOError('File %s not exists in current folder: %s' %
(para_file, os.getcwd()))
basic.setlogfile('parallel_predict_Log.txt')
deeplab_inf_script = os.path.join(code_dir, 'deeplabBased',
'deeplab_inference.py')
network_setting_ini = parameters.get_string_parameters(
para_file, 'network_setting_ini')
global tf1x_python
tf1x_python = parameters.get_file_path_parameters(network_setting_ini,
'tf1x_python')
trained_model = options.trained_model
outdir = parameters.get_directory(para_file, 'inf_output_dir')
# remove previous results (let user remove this folder manually or in exe.sh folder)
io_function.mkdir(outdir)
# get name of inference areas
multi_inf_regions = parameters.get_string_list_parameters(
para_file, 'inference_regions')
# max_parallel_inf_task = parameters.get_digit_parameters(para_file,'max_parallel_inf_task','int')
b_use_multiGPUs = parameters.get_bool_parameters(para_file,
'b_use_multiGPUs')
# loop each inference regions
sub_tasks = []
for area_idx, area_ini in enumerate(multi_inf_regions):
area_name = parameters.get_string_parameters(area_ini, 'area_name')
area_remark = parameters.get_string_parameters(area_ini, 'area_remark')
area_time = parameters.get_string_parameters(area_ini, 'area_time')
inf_image_dir = parameters.get_directory(area_ini, 'inf_image_dir')
# it is ok consider a file name as pattern and pass it the following functions to get file list
inf_image_or_pattern = parameters.get_string_parameters(
area_ini, 'inf_image_or_pattern')
inf_img_list = io_function.get_file_list_by_pattern(
inf_image_dir, inf_image_or_pattern)
img_count = len(inf_img_list)
if img_count < 1:
raise ValueError(
'No image for inference, please check inf_image_dir and inf_image_or_pattern in %s'
% area_ini)
area_save_dir = os.path.join(
outdir, area_name + '_' + area_remark + '_' + area_time)
io_function.mkdir(area_save_dir)
# parallel inference images for this area
CUDA_VISIBLE_DEVICES = []
if 'CUDA_VISIBLE_DEVICES' in os.environ.keys():
CUDA_VISIBLE_DEVICES = [
int(item.strip())
for item in os.environ['CUDA_VISIBLE_DEVICES'].split(',')
]
idx = 0
while idx < img_count:
if b_use_multiGPUs:
# get available GPUs # https://github.com/anderskm/gputil
deviceIDs = GPUtil.getAvailable(order='first',
limit=100,
maxLoad=0.5,
maxMemory=0.5,
includeNan=False,
excludeID=[],
excludeUUID=[])
# only use the one in CUDA_VISIBLE_DEVICES
if len(CUDA_VISIBLE_DEVICES) > 0:
deviceIDs = [
item for item in deviceIDs
if item in CUDA_VISIBLE_DEVICES
]
basic.outputlogMessage('on ' + machine_name +
', available GPUs:' +
str(deviceIDs) +
', among visible ones:' +
str(CUDA_VISIBLE_DEVICES))
else:
basic.outputlogMessage('on ' + machine_name +
', available GPUs:' +
str(deviceIDs))
if len(deviceIDs) < 1:
time.sleep(
60
) # wait one minute, then check the available GPUs again
continue
# set only the first available visible
gpuid = deviceIDs[0]
basic.outputlogMessage(
'%d: predict image %s on GPU %d of %s' %
(idx, inf_img_list[idx], gpuid, machine_name))
else:
gpuid = None
basic.outputlogMessage('%d: predict image %s on %s' %
(idx, inf_img_list[idx], machine_name))
# run inference
img_save_dir = os.path.join(area_save_dir, 'I%d' % idx)
inf_list_file = os.path.join(area_save_dir, '%d.txt' % idx)
# if it already exist, then skip
if os.path.isdir(img_save_dir) and is_file_exist_in_folder(
img_save_dir):
basic.outputlogMessage(
'folder of %dth image (%s) already exist, '
'it has been predicted or is being predicted' %
(idx, inf_img_list[idx]))
idx += 1
continue
with open(inf_list_file, 'w') as inf_obj:
inf_obj.writelines(inf_img_list[idx] + '\n')
sub_process = Process(target=predict_one_image_deeplab,
args=(deeplab_inf_script, para_file,
network_setting_ini, img_save_dir,
inf_list_file, gpuid, trained_model))
sub_process.start()
sub_tasks.append(sub_process)
if b_use_multiGPUs is False:
# wait until previous one finished
while sub_process.is_alive():
time.sleep(5)
idx += 1
# wait until predicted image patches exist or exceed 20 minutes
time0 = time.time()
elapsed_time = time.time() - time0
while elapsed_time < 20 * 60:
elapsed_time = time.time() - time0
file_exist = is_file_exist_in_folder(img_save_dir)
if file_exist is True or sub_process.is_alive() is False:
break
else:
time.sleep(5)
if sub_process.exitcode is not None and sub_process.exitcode != 0:
sys.exit(1)
# if 'chpc' in machine_name:
# time.sleep(60) # wait 60 second on ITSC services
# else:
# time.sleep(10)
# check all the tasks already finished
while b_all_task_finish(sub_tasks) is False:
basic.outputlogMessage('wait all tasks to finish')
time.sleep(60)
end_time = datetime.datetime.now()
diff_time = end_time - start_time
out_str = "%s: time cost of total parallel inference on %s: %d seconds" % (
str(end_time), machine_name, diff_time.seconds)
basic.outputlogMessage(out_str)
with open("time_cost.txt", 'a') as t_obj:
t_obj.writelines(out_str + '\n')
def get_sub_images_multi_regions(para_file):
print(
"extract sub-images and sub-labels for a given shape file (training polygons)"
)
if os.path.isfile(para_file) is False:
raise IOError('File %s not exists in current folder: %s' %
(para_file, os.getcwd()))
get_subImage_script = os.path.join(code_dir, 'datasets',
'get_subImages.py')
SECONDS = time.time()
# get name of training areas
multi_training_regions = parameters.get_string_list_parameters_None_if_absence(
para_file, 'training_regions')
if multi_training_regions is None or len(multi_training_regions) < 1:
raise ValueError('No training area is set in %s' % para_file)
# multi_training_files = parameters.get_string_parameters_None_if_absence(para_file, 'multi_training_files')
dstnodata = parameters.get_string_parameters(para_file, 'dst_nodata')
buffersize = parameters.get_string_parameters(para_file, 'buffer_size')
rectangle_ext = parameters.get_string_parameters(para_file,
'b_use_rectangle')
process_num = parameters.get_digit_parameters(para_file, 'process_num',
'int')
b_no_label_image = parameters.get_bool_parameters_None_if_absence(
para_file, 'b_no_label_image')
if os.path.isfile('sub_images_labels_list.txt'):
io_function.delete_file_or_dir('sub_images_labels_list.txt')
subImage_dir = parameters.get_string_parameters_None_if_absence(
para_file, 'input_train_dir')
subLabel_dir = parameters.get_string_parameters_None_if_absence(
para_file, 'input_label_dir')
# loop each training regions
for idx, area_ini in enumerate(multi_training_regions):
input_image_dir = parameters.get_directory_None_if_absence(
area_ini, 'input_image_dir')
# it is ok consider a file name as pattern and pass it the following functions to get file list
input_image_or_pattern = parameters.get_string_parameters(
area_ini, 'input_image_or_pattern')
b_sub_images_json = parameters.get_bool_parameters(
area_ini, 'b_sub_images_json')
if b_sub_images_json is True:
# copy sub-images, then covert json files to label images.
object_names = parameters.get_string_list_parameters(
para_file, 'object_names')
get_subImages_json.get_subimages_label_josn(
input_image_dir,
input_image_or_pattern,
subImage_dir,
subLabel_dir,
object_names,
b_no_label_image=b_no_label_image,
process_num=process_num)
pass
else:
all_train_shp = parameters.get_file_path_parameters_None_if_absence(
area_ini, 'training_polygons')
train_shp = parameters.get_string_parameters(
area_ini, 'training_polygons_sub')
# get subImage and subLabel for one training polygons
print(
'extract training data from image folder (%s) and polgyons (%s)'
% (input_image_dir, train_shp))
if b_no_label_image is True:
get_subImage_one_shp(get_subImage_script,
all_train_shp,
buffersize,
dstnodata,
rectangle_ext,
train_shp,
input_image_dir,
file_pattern=input_image_or_pattern,
process_num=process_num)
else:
get_subImage_subLabel_one_shp(
get_subImage_script,
all_train_shp,
buffersize,
dstnodata,
rectangle_ext,
train_shp,
input_image_dir,
file_pattern=input_image_or_pattern,
process_num=process_num)
# check black sub-images or most part of the sub-images is black (nodata)
new_sub_image_label_list = []
delete_sub_image_label_list = []
subImage_dir_delete = subImage_dir + '_delete'
subLabel_dir_delete = subLabel_dir + '_delete'
io_function.mkdir(subImage_dir_delete)
if b_no_label_image is None or b_no_label_image is False:
io_function.mkdir(subLabel_dir_delete)
get_valid_percent_entropy.plot_valid_entropy(subImage_dir)
with open('sub_images_labels_list.txt', 'r') as f_obj:
lines = f_obj.readlines()
for line in lines:
image_path, label_path = line.strip().split(':')
# valid_per = raster_io.get_valid_pixel_percentage(image_path)
valid_per, entropy = raster_io.get_valid_percent_shannon_entropy(
image_path) # base=10
if valid_per > 60 and entropy >= 0.5:
new_sub_image_label_list.append(line)
else:
delete_sub_image_label_list.append(line)
io_function.movefiletodir(image_path, subImage_dir_delete)
if os.path.isfile(label_path):
io_function.movefiletodir(label_path, subLabel_dir_delete)
if len(delete_sub_image_label_list) > 0:
with open('sub_images_labels_list.txt', 'w') as f_obj:
for line in new_sub_image_label_list:
f_obj.writelines(line)
# check weather they have the same subImage and subLabel
if b_no_label_image is None or b_no_label_image is False:
sub_image_list = io_function.get_file_list_by_pattern(
subImage_dir, '*.tif')
sub_label_list = io_function.get_file_list_by_pattern(
subLabel_dir, '*.tif')
if len(sub_image_list) != len(sub_label_list):
raise ValueError(
'the count of subImage (%d) and subLabel (%d) is different' %
(len(sub_image_list), len(sub_label_list)))
# save brief information of sub-images
height_list = []
width_list = []
band_count = 0
dtype = 'unknown'
for line in new_sub_image_label_list:
image_path, label_path = line.strip().split(':')
height, width, band_count, dtype = raster_io.get_height_width_bandnum_dtype(
image_path)
height_list.append(height)
width_list.append(width)
# save info to file, if it exists, it will be overwritten
img_count = len(new_sub_image_label_list)
with open('sub_images_patches_info.txt', 'w') as f_obj:
f_obj.writelines('information of sub-images: \n')
f_obj.writelines('number of sub-images : %d \n' % img_count)
f_obj.writelines('band count : %d \n' % band_count)
f_obj.writelines('data type : %s \n' % dtype)
f_obj.writelines('maximum width and height: %d, %d \n' %
(max(width_list), max(height_list)))
f_obj.writelines('minimum width and height: %d, %d \n' %
(min(width_list), min(height_list)))
f_obj.writelines(
'mean width and height: %.2f, %.2f \n\n' %
(sum(width_list) / img_count, sum(height_list) / img_count))
duration = time.time() - SECONDS
os.system(
'echo "$(date): time cost of getting sub images and labels: %.2f seconds">>time_cost.txt'
% duration)
def calculate_polygon_topography(polygons_shp,
para_file,
dem_files,
slope_files,
aspect_files=None,
dem_diffs=None):
"""
calculate the topography information such elevation and slope of each polygon
Args:
polygons_shp: input shapfe file
dem_files: DEM raster file or tiles, should have the same projection of shapefile
slope_files: slope raster file or tiles (can be drived from dem file by using QGIS or ArcGIS)
aspect_files: aspect raster file or tiles (can be drived from dem file by using QGIS or ArcGIS)
Returns: True if successful, False Otherwise
"""
if io_function.is_file_exist(polygons_shp) is False:
return False
operation_obj = shape_opeation()
## calculate the topography information from the buffer area
# the para file was set in parameters.set_saved_parafile_path(options.para_file)
b_use_buffer_area = parameters.get_bool_parameters(
para_file, 'b_topo_use_buffer_area')
if b_use_buffer_area is True:
b_buffer_size = 5 # meters (the same as the shape file)
basic.outputlogMessage(
"info: calculate the topography information from the buffer area")
buffer_polygon_shp = io_function.get_name_by_adding_tail(
polygons_shp, 'buffer')
# if os.path.isfile(buffer_polygon_shp) is False:
if vector_features.get_buffer_polygons(
polygons_shp, buffer_polygon_shp, b_buffer_size) is False:
basic.outputlogMessage(
"error, failed in producing the buffer_polygon_shp")
return False
# else:
# basic.outputlogMessage("warning, buffer_polygon_shp already exist, skip producing it")
# replace the polygon shape file
polygons_shp_backup = polygons_shp
polygons_shp = buffer_polygon_shp
else:
basic.outputlogMessage(
"info: calculate the topography information from the inside of each polygon"
)
# all_touched: bool, optional
# Whether to include every raster cell touched by a geometry, or only
# those having a center point within the polygon.
# defaults to `False`
# Since the dem usually is coarser, so we set all_touched = True
all_touched = True
process_num = 4
# #DEM
if dem_files is not None:
stats_list = ['min', 'max', 'mean', 'median',
'std'] #['min', 'max', 'mean', 'count','median','std']
# if operation_obj.add_fields_from_raster(polygons_shp, dem_file, "dem", band=1,stats_list=stats_list,all_touched=all_touched) is False:
# return False
if zonal_stats_multiRasters(polygons_shp,
dem_files,
stats=stats_list,
prefix='dem',
band=1,
all_touched=all_touched,
process_num=process_num) is False:
return False
else:
basic.outputlogMessage(
"warning, DEM file not exist, skip the calculation of DEM information"
)
# #slope
if slope_files is not None:
stats_list = ['min', 'max', 'mean', 'median', 'std']
if zonal_stats_multiRasters(polygons_shp,
slope_files,
stats=stats_list,
prefix='slo',
band=1,
all_touched=all_touched,
process_num=process_num) is False:
return False
else:
basic.outputlogMessage(
"warning, slope file not exist, skip the calculation of slope information"
)
# #aspect
if aspect_files is not None:
stats_list = ['min', 'max', 'mean', 'std']
if zonal_stats_multiRasters(polygons_shp,
aspect_files,
stats=stats_list,
prefix='asp',
band=1,
all_touched=all_touched,
process_num=process_num) is False:
return False
else:
basic.outputlogMessage(
'warning, aspect file not exist, ignore adding aspect information')
# elevation difference
if dem_diffs is not None:
stats_list = ['min', 'max', 'mean', 'median', 'std', 'area']
# only count the pixel within this range when do statistics
dem_diff_range_str = parameters.get_string_list_parameters(
para_file, 'dem_difference_range')
range = [
None if item.upper() == 'NONE' else float(item)
for item in dem_diff_range_str
]
# expand the polygon when doing dem difference statistics
buffer_size_dem_diff = parameters.get_digit_parameters(
para_file, 'buffer_size_dem_diff', 'float')
if zonal_stats_multiRasters(polygons_shp,
dem_diffs,
stats=stats_list,
prefix='demD',
band=1,
all_touched=all_touched,
process_num=process_num,
range=range,
buffer=buffer_size_dem_diff) is False:
return False
else:
basic.outputlogMessage(
'warning, dem difference file not exist, ignore adding dem diff information'
)
# # hillshape
# copy the topography information
if b_use_buffer_area is True:
operation_obj.add_fields_shape(polygons_shp_backup, buffer_polygon_shp,
polygons_shp_backup)
return True
def main(options, args):
print("%s : export the frozen inference graph" %
os.path.basename(sys.argv[0]))
para_file = args[0]
if os.path.isfile(para_file) is False:
raise IOError('File %s not exists in current folder: %s' %
(para_file, os.getcwd()))
network_setting_ini = parameters.get_string_parameters(
para_file, 'network_setting_ini')
tf_research_dir = parameters.get_directory_None_if_absence(
network_setting_ini, 'tf_research_dir')
print(tf_research_dir)
if tf_research_dir is None:
raise ValueError('tf_research_dir is not in %s' % para_file)
if os.path.isdir(tf_research_dir) is False:
raise ValueError('%s does not exist' % tf_research_dir)
if os.getenv('PYTHONPATH'):
os.environ['PYTHONPATH'] = os.getenv(
'PYTHONPATH') + ':' + tf_research_dir + ':' + os.path.join(
tf_research_dir, 'slim')
else:
os.environ['PYTHONPATH'] = tf_research_dir + ':' + os.path.join(
tf_research_dir, 'slim')
global tf1x_python
tf1x_python = parameters.get_file_path_parameters(network_setting_ini,
'tf1x_python')
deeplab_dir = os.path.join(tf_research_dir, 'deeplab')
WORK_DIR = os.getcwd()
expr_name = parameters.get_string_parameters(para_file, 'expr_name')
EXP_FOLDER = expr_name
TRAIN_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'train')
EXPORT_DIR = os.path.join(WORK_DIR, EXP_FOLDER, 'export')
inf_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_output_stride', 'int')
inf_atrous_rates1 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates1', 'int')
inf_atrous_rates2 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates2', 'int')
inf_atrous_rates3 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates3', 'int')
# depth_multiplier default is 1.0.
depth_multiplier = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'depth_multiplier', 'float')
decoder_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'decoder_output_stride', 'int')
aspp_convs_filters = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'aspp_convs_filters', 'int')
model_variant = parameters.get_string_parameters(network_setting_ini,
'model_variant')
num_classes_noBG = parameters.get_digit_parameters_None_if_absence(
para_file, 'NUM_CLASSES_noBG', 'int')
assert num_classes_noBG != None
b_initialize_last_layer = parameters.get_bool_parameters(
para_file, 'b_initialize_last_layer')
if b_initialize_last_layer is False:
pre_trained_tar = parameters.get_string_parameters(
network_setting_ini, 'TF_INIT_CKPT')
if pre_trained_tar in pre_trained_tar_21_classes:
print(
'warning, pretrained model %s is trained with 21 classes, set num_of_classes to 21'
% pre_trained_tar)
num_classes_noBG = 20
if pre_trained_tar in pre_trained_tar_19_classes:
print(
'warning, pretrained model %s is trained with 19 classes, set num_of_classes to 19'
% pre_trained_tar)
num_classes_noBG = 18
num_of_classes = num_classes_noBG + 1
image_crop_size = parameters.get_string_list_parameters(
para_file, 'image_crop_size')
if len(image_crop_size) != 2 and image_crop_size[0].isdigit(
) and image_crop_size[1].isdigit():
raise ValueError('image_crop_size should be height,width')
iteration_num = get_trained_iteration(TRAIN_LOGDIR)
multi_scale = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'export_multi_scale', 'int')
export_script = os.path.join(deeplab_dir, 'export_model.py')
CKPT_PATH = os.path.join(TRAIN_LOGDIR, 'model.ckpt-%s' % iteration_num)
EXPORT_PATH = os.path.join(EXPORT_DIR,
'frozen_inference_graph_%s.pb' % iteration_num)
if os.path.isfile(EXPORT_PATH):
basic.outputlogMessage('%s exists, skipping exporting models' %
EXPORT_PATH)
return
export_graph(export_script, CKPT_PATH, EXPORT_PATH, model_variant,
num_of_classes, inf_atrous_rates1, inf_atrous_rates2,
inf_atrous_rates3, inf_output_stride, image_crop_size[0],
image_crop_size[1], multi_scale, depth_multiplier,
decoder_output_stride, aspp_convs_filters)
def run_evaluation(WORK_DIR,
deeplab_dir,
expr_name,
para_file,
network_setting_ini,
gpu_num,
train_dir=None):
EXP_FOLDER = expr_name
if train_dir is None:
TRAIN_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'train')
else:
TRAIN_LOGDIR = train_dir
EVAL_LOGDIR = os.path.join(WORK_DIR, EXP_FOLDER, 'eval')
dataset_dir = os.path.join(WORK_DIR, 'tfrecord')
inf_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_output_stride', 'int')
inf_atrous_rates1 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates1', 'int')
inf_atrous_rates2 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates2', 'int')
inf_atrous_rates3 = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'inf_atrous_rates3', 'int')
b_initialize_last_layer = parameters.get_bool_parameters(
para_file, 'b_initialize_last_layer')
pre_trained_tar = parameters.get_string_parameters(network_setting_ini,
'TF_INIT_CKPT')
# depth_multiplier default is 1.0.
depth_multiplier = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'depth_multiplier', 'float')
decoder_output_stride = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'decoder_output_stride', 'int')
aspp_convs_filters = parameters.get_digit_parameters_None_if_absence(
network_setting_ini, 'aspp_convs_filters', 'int')
model_variant = parameters.get_string_parameters(network_setting_ini,
'model_variant')
dataset = parameters.get_string_parameters(para_file, 'dataset_name')
num_classes_noBG = parameters.get_digit_parameters_None_if_absence(
para_file, 'NUM_CLASSES_noBG', 'int')
assert num_classes_noBG != None
if b_initialize_last_layer is True:
if pre_trained_tar in pre_trained_tar_21_classes:
print(
'warning, pretrained model %s is trained with 21 classes, set num_of_classes to 21'
% pre_trained_tar)
num_classes_noBG = 20
if pre_trained_tar in pre_trained_tar_19_classes:
print(
'warning, pretrained model %s is trained with 19 classes, set num_of_classes to 19'
% pre_trained_tar)
num_classes_noBG = 18
num_of_classes = num_classes_noBG + 1
image_crop_size = parameters.get_string_list_parameters(
para_file, 'image_crop_size')
if len(image_crop_size) != 2 and image_crop_size[0].isdigit(
) and image_crop_size[1].isdigit():
raise ValueError('image_crop_size should be height,width')
crop_size_str = ','.join(image_crop_size)
evl_script = os.path.join(deeplab_dir, 'eval.py')
evl_split = os.path.splitext(
parameters.get_string_parameters(para_file,
'validation_sample_list_txt'))[0]
max_eva_number = 1
eval_interval_secs = 300
# gpuid = '' # do not use GPUs
evaluation_deeplab(evl_script,
dataset,
evl_split,
num_of_classes,
model_variant,
inf_atrous_rates1,
inf_atrous_rates2,
inf_atrous_rates3,
inf_output_stride,
TRAIN_LOGDIR,
EVAL_LOGDIR,
dataset_dir,
crop_size_str,
max_eva_number,
depth_multiplier,
decoder_output_stride,
aspp_convs_filters,
eval_interval_secs=eval_interval_secs)
# get miou again
miou_dict = get_miou_list_class_all(EVAL_LOGDIR, num_of_classes)
def image_label_to_yolo_format(para_file):
print("Image labels (semantic segmentation) to YOLO object detection")
if os.path.isfile(para_file) is False:
raise IOError('File %s not exists in current folder: %s' %
(para_file, os.getcwd()))
img_ext = parameters.get_string_parameters_None_if_absence(
para_file, 'split_image_format')
proc_num = parameters.get_digit_parameters(para_file, 'process_num', 'int')
SECONDS = time.time()
# get image and label path
image_list = []
label_list = []
with open(os.path.join('list', 'trainval.txt'), 'r') as f_obj:
lines = [item.strip() for item in f_obj.readlines()]
for line in lines:
image_list.append(os.path.join('split_images', line + img_ext))
label_list.append(os.path.join('split_labels', line + img_ext))
num_classes_noBG = parameters.get_digit_parameters_None_if_absence(
para_file, 'NUM_CLASSES_noBG', 'int')
b_ignore_edge_objects = parameters.get_bool_parameters_None_if_absence(
para_file, 'b_ignore_edge_objects')
if b_ignore_edge_objects is None:
b_ignore_edge_objects = False
# get boxes
total_count = len(image_list)
for idx, (img, label) in enumerate(zip(image_list, label_list)):
get_yolo_boxes_one_img(idx,
total_count,
img,
label,
num_classes_noBG,
rm_edge_obj=b_ignore_edge_objects)
# write obj.data file
train_sample_txt = parameters.get_string_parameters(
para_file, 'training_sample_list_txt')
val_sample_txt = parameters.get_string_parameters(
para_file, 'validation_sample_list_txt')
train_img_list = get_image_list('list', train_sample_txt, 'split_images',
img_ext)
val_img_list = get_image_list('list', val_sample_txt, 'split_images',
img_ext)
expr_name = parameters.get_string_parameters(para_file, 'expr_name')
object_names = parameters.get_string_list_parameters(
para_file, 'object_names')
io_function.mkdir('data')
io_function.mkdir(expr_name)
with open(os.path.join('data', 'obj.data'), 'w') as f_obj:
f_obj.writelines('classes = %d' % num_classes_noBG + '\n')
train_txt = os.path.join('data', 'train.txt')
io_function.save_list_to_txt(train_txt, train_img_list)
f_obj.writelines('train = %s' % train_txt + '\n')
val_txt = os.path.join('data', 'val.txt')
io_function.save_list_to_txt(val_txt, val_img_list)
f_obj.writelines('valid = %s' % val_txt + '\n')
obj_name_txt = os.path.join('data', 'obj.names')
io_function.save_list_to_txt(obj_name_txt, object_names)
f_obj.writelines('names = %s' % obj_name_txt + '\n')
f_obj.writelines('backup = %s' % expr_name + '\n')
duration = time.time() - SECONDS
os.system(
'echo "$(date): time cost of converting to yolo format: %.2f seconds">>time_cost.txt'
% duration)
pass
def mmseg_parallel_predict_main(para_file, trained_model):
print(
"MMSegmetation prediction using the trained model (run parallel if use multiple GPUs)"
)
machine_name = os.uname()[1]
start_time = datetime.now()
if os.path.isfile(para_file) is False:
raise IOError('File %s not exists in current folder: %s' %
(para_file, os.getcwd()))
expr_name = parameters.get_string_parameters(para_file, 'expr_name')
# network_ini = parameters.get_string_parameters(para_file, 'network_setting_ini')
# mmseg_repo_dir = parameters.get_directory(network_ini, 'mmseg_repo_dir')
# mmseg_code_dir = osp.join(mmseg_repo_dir,'mmseg')
# if os.path.isdir(mmseg_code_dir) is False:
# raise ValueError('%s does not exist' % mmseg_code_dir)
# # set PYTHONPATH to use my modified version of mmseg
# if os.getenv('PYTHONPATH'):
# os.environ['PYTHONPATH'] = os.getenv('PYTHONPATH') + ':' + mmseg_code_dir
# else:
# os.environ['PYTHONPATH'] = mmseg_code_dir
# print('\nPYTHONPATH is: ',os.getenv('PYTHONPATH'))
if trained_model is None:
trained_model = os.path.join(expr_name, 'latest.pth')
outdir = parameters.get_directory(para_file, 'inf_output_dir')
# remove previous results (let user remove this folder manually or in exe.sh folder)
io_function.mkdir(outdir)
# get name of inference areas
multi_inf_regions = parameters.get_string_list_parameters(
para_file, 'inference_regions')
b_use_multiGPUs = parameters.get_bool_parameters(para_file,
'b_use_multiGPUs')
# loop each inference regions
sub_tasks = []
for area_idx, area_ini in enumerate(multi_inf_regions):
area_name = parameters.get_string_parameters(area_ini, 'area_name')
area_remark = parameters.get_string_parameters(area_ini, 'area_remark')
area_time = parameters.get_string_parameters(area_ini, 'area_time')
inf_image_dir = parameters.get_directory(area_ini, 'inf_image_dir')
# it is ok consider a file name as pattern and pass it the following functions to get file list
inf_image_or_pattern = parameters.get_string_parameters(
area_ini, 'inf_image_or_pattern')
inf_img_list = io_function.get_file_list_by_pattern(
inf_image_dir, inf_image_or_pattern)
img_count = len(inf_img_list)
if img_count < 1:
raise ValueError(
'No image for inference, please check inf_image_dir and inf_image_or_pattern in %s'
% area_ini)
area_save_dir = os.path.join(
outdir, area_name + '_' + area_remark + '_' + area_time)
io_function.mkdir(area_save_dir)
# parallel inference images for this area
CUDA_VISIBLE_DEVICES = []
if 'CUDA_VISIBLE_DEVICES' in os.environ.keys():
CUDA_VISIBLE_DEVICES = [
int(item.strip())
for item in os.environ['CUDA_VISIBLE_DEVICES'].split(',')
]
idx = 0
while idx < img_count:
if b_use_multiGPUs:
# get available GPUs # https://github.com/anderskm/gputil
# memory: orders the available GPU device ids by ascending memory usage
deviceIDs = GPUtil.getAvailable(order='memory',
limit=100,
maxLoad=0.5,
maxMemory=0.5,
includeNan=False,
excludeID=[],
excludeUUID=[])
# only use the one in CUDA_VISIBLE_DEVICES
if len(CUDA_VISIBLE_DEVICES) > 0:
deviceIDs = [
item for item in deviceIDs
if item in CUDA_VISIBLE_DEVICES
]
basic.outputlogMessage('on ' + machine_name +
', available GPUs:' +
str(deviceIDs) +
', among visible ones:' +
str(CUDA_VISIBLE_DEVICES))
else:
basic.outputlogMessage('on ' + machine_name +
', available GPUs:' +
str(deviceIDs))
if len(deviceIDs) < 1:
time.sleep(
60
) # wait 60 seconds (mmseg need longer time to load models) , then check the available GPUs again
continue
# set only the first available visible
gpuid = deviceIDs[0]
basic.outputlogMessage(
'%d: predict image %s on GPU %d of %s' %
(idx, inf_img_list[idx], gpuid, machine_name))
else:
gpuid = None
basic.outputlogMessage('%d: predict image %s on %s' %
(idx, inf_img_list[idx], machine_name))
# run inference
img_save_dir = os.path.join(area_save_dir, 'I%d' % idx)
inf_list_file = os.path.join(area_save_dir, '%d.txt' % idx)
done_indicator = '%s_done' % inf_list_file
if os.path.isfile(done_indicator):
basic.outputlogMessage('warning, %s exist, skip prediction' %
done_indicator)
idx += 1
continue
# if it already exist, then skip
if os.path.isdir(img_save_dir) and is_file_exist_in_folder(
img_save_dir):
basic.outputlogMessage(
'folder of %dth image (%s) already exist, '
'it has been predicted or is being predicted' %
(idx, inf_img_list[idx]))
idx += 1
continue
with open(inf_list_file, 'w') as inf_obj:
inf_obj.writelines(inf_img_list[idx] + '\n')
sub_process = Process(target=predict_one_image_mmseg,
args=(para_file, inf_img_list[idx],
img_save_dir, inf_list_file, gpuid,
trained_model))
sub_process.start()
sub_tasks.append(sub_process)
if b_use_multiGPUs is False:
# wait until previous one finished
while sub_process.is_alive():
time.sleep(1)
idx += 1
# wait until predicted image patches exist or exceed 20 minutes
time0 = time.time()
elapsed_time = time.time() - time0
while elapsed_time < 20 * 60:
elapsed_time = time.time() - time0
file_exist = os.path.isdir(
img_save_dir) and is_file_exist_in_folder(img_save_dir)
if file_exist is True or sub_process.is_alive() is False:
break
else:
time.sleep(1)
if sub_process.exitcode is not None and sub_process.exitcode != 0:
sys.exit(1)
basic.close_remove_completed_process(sub_tasks)
# if 'chpc' in machine_name:
# time.sleep(60) # wait 60 second on ITSC services
# else:
# time.sleep(10)
# check all the tasks already finished
wait_all_finish = 0
while basic.b_all_process_finish(sub_tasks) is False:
if wait_all_finish % 100 == 0:
basic.outputlogMessage('wait all tasks to finish')
time.sleep(1)
wait_all_finish += 1
basic.close_remove_completed_process(sub_tasks)
end_time = datetime.now()
diff_time = end_time - start_time
out_str = "%s: time cost of total parallel inference on %s: %d seconds" % (
str(end_time), machine_name, diff_time.seconds)
basic.outputlogMessage(out_str)
with open("time_cost.txt", 'a') as t_obj:
t_obj.writelines(out_str + '\n')
def image_translate_train_generate_main(para_file, gpu_num):
'''
apply GAN to translate image from source domain to target domain
existing sub-images (with sub-labels), these are image in source domain
depend images for inference but no training data, each image for inference can be considered as on target domain
'''
print(datetime.now(), "image translation (train and generate) using GAN")
if os.path.isfile(para_file) is False:
raise IOError('File %s not exists in current folder: %s' %
(para_file, os.getcwd()))
gan_para_file = parameters.get_string_parameters_None_if_absence(
para_file, 'regions_n_setting_image_translation_ini')
if gan_para_file is None:
print(
'regions_n_setting_image_translation_ini is not set, skip image translation using GAN'
)
return None
gan_para_file = os.path.abspath(
gan_para_file
) # change to absolute path, because later, we change folder
training_regions = parameters.get_string_list_parameters(
para_file, 'training_regions')
machine_name = os.uname()[1]
SECONDS = time.time()
# get regions (equal to or subset of inference regions) need apply image translation
multi_gan_regions = parameters.get_string_list_parameters(
gan_para_file, 'regions_need_image_translation')
multi_gan_source_regions = parameters.get_string_list_parameters(
gan_para_file, 'source_domain_regions')
# check target domain
if len(multi_gan_source_regions) != len(multi_gan_regions):
raise ValueError(
'the number of source domain and target domain is different')
if set(multi_gan_source_regions).issubset(training_regions) is False:
raise ValueError(
'the source domain regions are not the subset of training regions')
for area_idx, (area_gan_ini, area_src_ini) in enumerate(
zip(multi_gan_regions, multi_gan_source_regions)):
basic.outputlogMessage('%d: source and target area: %s vs %s' %
(area_idx, area_src_ini, area_gan_ini))
gan_working_dir = parameters.get_string_parameters(gan_para_file,
'working_root')
# gan_dir_pre_name = parameters.get_string_parameters(gan_para_file, 'gan_dir_pre_name')
# use GAN model name as the gan_dir_pre_name
gan_model = parameters.get_string_parameters(gan_para_file, 'gan_model')
gan_dir_pre_name = gan_model # '_' +
# loop each regions need image translation
sub_tasks = []
for area_idx, (area_gan_ini, area_src_ini) in enumerate(
zip(multi_gan_regions, multi_gan_source_regions)):
area_ini = os.path.abspath(area_gan_ini)
area_src_ini = os.path.abspath(area_src_ini)
area_name = parameters.get_string_parameters(area_ini, 'area_name')
area_remark = parameters.get_string_parameters(area_ini, 'area_remark')
area_time = parameters.get_string_parameters(area_ini, 'area_time')
inf_image_dir = parameters.get_directory(area_ini, 'inf_image_dir')
# it is ok consider a file name as pattern and pass it the following functions to get file list
inf_image_or_pattern = parameters.get_string_parameters(
area_ini, 'inf_image_or_pattern')
inf_img_list = io_function.get_file_list_by_pattern(
inf_image_dir, inf_image_or_pattern)
img_count = len(inf_img_list)
if img_count < 1:
raise ValueError(
'No image for image translation, please check inf_image_dir and inf_image_or_pattern in %s'
% area_ini)
gan_project_save_dir = get_gan_project_save_dir(
gan_working_dir, gan_dir_pre_name, area_name, area_remark,
area_time, area_src_ini)
if os.path.isdir(gan_project_save_dir):
if generate_image_exists(gan_project_save_dir) is True:
basic.outputlogMessage(
'generated new images (generate.txt_done) exist for %s exist, skip'
% gan_project_save_dir)
continue
else:
io_function.mkdir(gan_project_save_dir)
# parallel run image translation for this area
CUDA_VISIBLE_DEVICES = []
if 'CUDA_VISIBLE_DEVICES' in os.environ.keys():
CUDA_VISIBLE_DEVICES = [
int(item.strip())
for item in os.environ['CUDA_VISIBLE_DEVICES'].split(',')
]
# get an valid GPU
gpuids = []
while len(gpuids) < 1:
# get available GPUs # https://github.com/anderskm/gputil
deviceIDs = GPUtil.getAvailable(order='first',
limit=100,
maxLoad=0.5,
maxMemory=0.5,
includeNan=False,
excludeID=[],
excludeUUID=[])
# only use the one in CUDA_VISIBLE_DEVICES
if len(CUDA_VISIBLE_DEVICES) > 0:
deviceIDs = [
item for item in deviceIDs if item in CUDA_VISIBLE_DEVICES
]
basic.outputlogMessage('on ' + machine_name +
', available GPUs:' + str(deviceIDs) +
', among visible ones:' +
str(CUDA_VISIBLE_DEVICES))
else:
basic.outputlogMessage('on ' + machine_name +
', available GPUs:' + str(deviceIDs))
if len(deviceIDs) < 1:
print(datetime.now(),
'No available GPUs, will check again in 60 seconds')
time.sleep(
60) # wait one minute, then check the available GPUs again
continue
# set only the first available visible
gpuids.append(deviceIDs[0])
basic.outputlogMessage(
'%d:image translation for %s on GPU %s of %s' %
(area_idx, area_ini, str(gpuids), machine_name))
# run image translation
# pytorch consider first GPUs in CUDA_VISIBLE_DEVICES as zero, so need to re-index gpu ids
if len(CUDA_VISIBLE_DEVICES) > 0:
gpuids = [CUDA_VISIBLE_DEVICES.index(id) for id in gpuids]
sub_process = Process(target=image_translate_train_generate_one_domain,
args=(gan_project_save_dir, gan_para_file,
area_src_ini, area_ini, gpuids,
inf_img_list))
sub_process.start()
sub_tasks.append(sub_process)
# wait until image translation has started or exceed 20 minutes
time0 = time.time()
elapsed_time = time.time() - time0
while elapsed_time < 20 * 60:
elapsed_time = time.time() - time0
if CUT_gan_is_ready_to_train(
gan_project_save_dir) is True or sub_process.is_alive(
) is False:
break
else:
time.sleep(5)
time.sleep(
10
) # wait, allowing time for the GAN process to start, and run into problem
if sub_process.exitcode is not None and sub_process.exitcode != 0:
sys.exit(1)
basic.close_remove_completed_process(sub_tasks)
# check all the tasks already finished
while basic.b_all_process_finish(sub_tasks) is False:
basic.outputlogMessage('wait all tasks to finish')
time.sleep(60)
basic.check_exitcode_of_process(sub_tasks)
basic.close_remove_completed_process(sub_tasks)
save_image_dir = parameters.get_string_parameters(para_file,
'input_train_dir')
save_label_dir = parameters.get_string_parameters(para_file,
'input_label_dir')
merge_subImages_from_gan(multi_gan_source_regions, multi_gan_regions,
gan_working_dir, gan_dir_pre_name, save_image_dir,
save_label_dir)
duration = time.time() - SECONDS
os.system(
'echo "$(date): time cost of translating sub images to target domains: %.2f seconds">>time_cost.txt'
% duration)
