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dataset.py
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dataset.py
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import argparse
import os
import random
import yaml
from collections import defaultdict
from enum import IntEnum
from PIL import Image
class FileType(IntEnum):
TRAIN = 0
VALIDATION = 1
TEST = 2
class InputParser:
def __init__(self):
self.parser = argparse.ArgumentParser()
def add_arguments(self, name, default, definition):
self.parser.add_argument(name, default=default, help=definition)
def get_arguments(self):
return self.parser.parse_args()
class FileLogger:
def __init__(self, names):
train_file = open(names[FileType.TRAIN], 'w')
val_file = open(names[FileType.VALIDATION], 'w')
test_file = open(names[FileType.TEST], 'w')
self.files = [train_file, val_file, test_file]
def get_name(self, index):
return self.files[index]
def write(self, message, index):
self.files[index].write(message)
class YamlReader:
def __init__(self, filename):
self.filename = filename
def parse(self):
config = None
with open(self.filename, 'r') as file:
try:
config = yaml.safe_load(file)
except yaml.YAMLError as exception:
print(exception)
return config
class DataLoader:
RGB = 'rgb'
LWIR = 'lwir'
IMAGES_TYPE = [RGB, LWIR]
MIRROR = '_mirror'
SEPARATOR = '/'
def __init__(self, path, extension):
self.path = path
self.extension = extension
self.train_names = defaultdict(list)
self.val_names = defaultdict(list)
self.test_names = defaultdict(list)
self.file_logger = None
def set_file_loader(self, names):
self.file_logger = FileLogger(names)
def get_train_names(self):
return self.train_names
def get_val_names(self):
return self.val_names
def get_test_names(self):
return self.test_names
def shuffle(self, data):
assert len(data[DataLoader.RGB]) == len(data[DataLoader.LWIR]), 'number of elements in dict not the same!'
indices = [i for i in range(len(data[DataLoader.RGB]))]
random.seed(12)
random.shuffle(indices)
shuffled_data = defaultdict(list)
for i in range(len(indices)):
shuffled_data[DataLoader.RGB].append(data[DataLoader.RGB][indices[i]])
shuffled_data[DataLoader.LWIR].append(data[DataLoader.LWIR][indices[i]])
return shuffled_data
def mirror(self, data):
for image_type in DataLoader.IMAGES_TYPE:
print('Mirror images for ' + image_type)
i = 1
maximum = len(data[image_type])
for image_name in data[image_type]:
print(str(i) + ' ' + DataLoader.SEPARATOR + ' ' + str(maximum))
i += 1
if image_name.find('mirror') < 0:
image = Image.open(image_name)
image = image.transpose(Image.FLIP_LEFT_RIGHT)
split_name = image_name.split('.')
name = split_name[0]
extension = '.' + split_name[1]
filename = os.path.join(name + DataLoader.MIRROR + extension)
image.save(filename)
else:
print('Mirror image already exists')
def load_data(self):
pass
def separate_data(self, data):
pass
def save_image(self, index, image_name, directory, filetype):
if image_name.endswith('png'):
image = Image.open(image_name)
elements = image_name.split(StCharlesLoader.SEPARATOR)
gt = ''
mirror = '0'
for e in elements[:len(elements)]:
if e == StCharlesLoader.RECTIFIED_IMAGES:
continue
if e == StCharlesLoader.RGB or e == StCharlesLoader.LWIR:
gt += e + StCharlesLoader.GT_DISP
continue
if e.endswith(StCharlesLoader.MIRROR + '.png'):
e = e[:len(e) - (len(StCharlesLoader.MIRROR) + len('.png'))] + StCharlesLoader.YAML_EXTENSION
gt += e
mirror = '1'
continue
if e.endswith('.png'):
gt += e[:len(e) - len('.png')] + StCharlesLoader.YAML_EXTENSION
continue
gt += e + StCharlesLoader.SEPARATOR
unique_name = str(index) + '.png'
unique_name = os.path.join(directory, unique_name)
image.save(unique_name)
width, _ = image.size
message = str(index) + ' ' + unique_name + ' ' + image_name + ' ' + gt + ' ' + mirror + ' ' + str(
width) + '\n'
self.file_logger.write(message, filetype)
elif image_name.endswith('jpg'):
image = Image.open(image_name)
elements = image_name.split(BilodeauLoader.SEPARATOR)
gt = ''
mirror = '0'
if elements[-1].endswith(BilodeauLoader.MIRROR + '.jpg'):
mirror = '1'
for e in elements[:len(elements) - 2]:
gt += e + BilodeauLoader.SEPARATOR
files = os.listdir(gt)
gt_file = [os.path.join(gt, f) for f in files if f.endswith(BilodeauLoader.GT_EXTENSION)]
unique_name = str(index) + '.png'
unique_name = os.path.join(directory, unique_name)
image.save(unique_name)
width, _ = image.size
message = str(index) + ' ' + unique_name + ' ' + image_name + ' ' + gt_file[0] + ' ' + mirror + ' ' + str(width) + '\n'
self.file_logger.write(message, filetype)
class StCharlesLoader(DataLoader):
VID04 = 'vid04'
VID07 = 'vid07'
VID08 = 'vid08'
FOLDERS = [VID04, VID07, VID08]
RECTIFIED_IMAGES = 'rectified'
YAML_EXTENSION = '.yml'
GT_DISP = '_gt_disp/'
def __init__(self, path, extension):
super().__init__(path, extension)
def mirror_images(self):
data = defaultdict(dict)
for folder in StCharlesLoader.FOLDERS:
for image_type in StCharlesLoader.IMAGES_TYPE:
directory = os.path.join(self.path, folder, image_type)
if os.path.exists(directory):
filenames = os.listdir(directory)
filenames = [os.path.join(directory, filename) for filename in filenames if filename.endswith(self.extension)]
filenames.sort()
data[folder][image_type] = filenames
self.mirror(data[folder])
def load_data(self):
data = defaultdict(dict)
for folder in StCharlesLoader.FOLDERS:
for image_type in StCharlesLoader.IMAGES_TYPE:
directory = os.path.join(self.path, folder, image_type)
if os.path.exists(directory):
filenames = os.listdir(directory)
filenames = [os.path.join(directory, filename) for filename in filenames if filename.endswith(self.extension)]
filenames.sort()
data[folder][image_type] = filenames
self.separate_data(data)
def separate_data(self, data):
for image_type in StCharlesLoader.IMAGES_TYPE:
self.train_names[image_type] = []
self.train_names[image_type] += data[StCharlesLoader.VID04][image_type]
self.train_names[image_type] += data[StCharlesLoader.VID07][image_type]
self.train_names[image_type] += data[StCharlesLoader.VID08][image_type]
self.train_names = self.shuffle(self.train_names)
def save_image(self, index, image_name, directory, filetype):
image = Image.open(image_name)
elements = image_name.split(StCharlesLoader.SEPARATOR)
gt = ''
mirror = '0'
for e in elements[:len(elements)]:
if e == StCharlesLoader.RECTIFIED_IMAGES:
continue
if e == StCharlesLoader.RGB or e == StCharlesLoader.LWIR:
gt += e + StCharlesLoader.GT_DISP
continue
if e.endswith(StCharlesLoader.MIRROR + self.extension):
e = e[:len(e) - (len(StCharlesLoader.MIRROR) + len(self.extension))] + StCharlesLoader.YAML_EXTENSION
gt += e
mirror = '1'
continue
if e.endswith(self.extension):
gt += e[:len(e) - len(self.extension)] + StCharlesLoader.YAML_EXTENSION
continue
gt += e + StCharlesLoader.SEPARATOR
unique_name = str(index) + self.extension
unique_name = os.path.join(directory, unique_name)
image.save(unique_name)
width, _ = image.size
message = str(index) + ' ' + unique_name + ' ' + image_name + ' ' + gt + ' ' + mirror + ' ' + str(width) + '\n'
self.file_logger.write(message, filetype)
class BilodeauLoader(DataLoader):
VID01 = 'vid1'
VID02 = 'vid2'
VID03 = 'vid3'
FOLDERS = [VID01, VID02, VID03]
CUT01 = 'cut1'
CUT02 = 'cut2'
CUTS = [CUT01, CUT02]
PERSON01 = '1Person'
PERSON02 = '2Person'
PERSON03 = '3Person'
PERSON04 = '4Person'
PERSON05 = '5Person'
PERSONS = [PERSON01, PERSON02, PERSON03, PERSON04, PERSON05]
VIDEO_FRAMES = 'videoFrames'
VIDEO_FRAMES_ALT = 'VideoFrame'
VIS = 'Vis'
IR = 'IR'
GT_EXTENSION = 'n.txt'
def __init__(self, path, extension, fold):
super().__init__(path, extension)
self.fold = fold
def mirror_images(self):
data = defaultdict(lambda:defaultdict(lambda:defaultdict(list)))
for folder in BilodeauLoader.FOLDERS:
if folder != BilodeauLoader.VID02:
for person in BilodeauLoader.PERSONS:
directory = ''
if folder == BilodeauLoader.VID03 and person == BilodeauLoader.PERSON02:
directory = os.path.join(self.path, folder, person, BilodeauLoader.VIDEO_FRAMES_ALT)
else:
directory = os.path.join(self.path, folder, person, BilodeauLoader.VIDEO_FRAMES)
if os.path.exists(directory):
filenames = os.listdir(directory)
filenames = [os.path.join(directory, filename) for filename in filenames if filename.endswith(self.extension)]
filenames.sort()
rgb, lwir = self.split(filenames)
data[folder][person][BilodeauLoader.RGB] = rgb
data[folder][person][BilodeauLoader.LWIR] = lwir
self.mirror(data[folder][person])
else:
for cut in BilodeauLoader.CUTS:
for person in BilodeauLoader.PERSONS:
directory = os.path.join(self.path, folder, cut, person, BilodeauLoader.VIDEO_FRAMES)
if os.path.exists(directory):
filenames = os.listdir(directory)
filenames = [os.path.join(directory, filename) for filename in filenames if filename.endswith(self.extension)]
filenames.sort()
rgb, lwir = self.split(filenames)
data[folder][person][BilodeauLoader.RGB] += rgb
data[folder][person][BilodeauLoader.LWIR] += lwir
self.mirror(data[folder][person])
def load_data(self):
data = defaultdict(lambda:defaultdict(lambda:defaultdict(list)))
for folder in BilodeauLoader.FOLDERS:
if folder != BilodeauLoader.VID02:
for person in BilodeauLoader.PERSONS:
directory = ''
if folder == BilodeauLoader.VID03 and person == BilodeauLoader.PERSON02:
directory = os.path.join(self.path, folder, person, BilodeauLoader.VIDEO_FRAMES_ALT)
else:
directory = os.path.join(self.path, folder, person, BilodeauLoader.VIDEO_FRAMES)
if os.path.exists(directory):
filenames = os.listdir(directory)
filenames = [os.path.join(directory, filename) for filename in filenames if filename.endswith(self.extension)]
filenames.sort()
rgb, lwir = self.split(filenames)
data[folder][person][BilodeauLoader.RGB] = rgb
data[folder][person][BilodeauLoader.LWIR] = lwir
else:
for cut in BilodeauLoader.CUTS:
for person in BilodeauLoader.PERSONS:
directory = os.path.join(self.path, folder, cut, person, BilodeauLoader.VIDEO_FRAMES)
if os.path.exists(directory):
filenames = os.listdir(directory)
filenames = [os.path.join(directory, filename) for filename in filenames if filename.endswith(self.extension)]
filenames.sort()
rgb, lwir = self.split(filenames)
data[folder][person][BilodeauLoader.RGB] += rgb
data[folder][person][BilodeauLoader.LWIR] += lwir
self.separate_data(data)
def separate_data(self, data):
for image_type in BilodeauLoader.IMAGES_TYPE:
self.train_names[image_type] = []
self.val_names[image_type] = []
self.test_names[image_type] = []
if self.fold == 1:
train_val = []
for person in BilodeauLoader.PERSONS:
train_val += data[BilodeauLoader.VID01][person][image_type]
train_val += data[BilodeauLoader.VID02][person][image_type]
self.test_names[image_type] += data[BilodeauLoader.VID03][person][image_type]
self.val_names[image_type] += train_val[:60]
self.train_names[image_type] += train_val[60:]
elif self.fold == 2:
train_val = []
for person in BilodeauLoader.PERSONS:
train_val += data[BilodeauLoader.VID02][person][image_type]
train_val += data[BilodeauLoader.VID03][person][image_type]
self.test_names[image_type] += data[BilodeauLoader.VID01][person][image_type]
self.val_names[image_type] += train_val[:60]
self.train_names[image_type] += train_val[60:]
elif self.fold == 3:
train_val = []
for person in BilodeauLoader.PERSONS:
train_val += data[BilodeauLoader.VID01][person][image_type]
train_val += data[BilodeauLoader.VID03][person][image_type]
self.test_names[image_type] += data[BilodeauLoader.VID02][person][image_type]
self.val_names[image_type] += train_val[:90]
self.train_names[image_type] += train_val[90:]
self.train_names = self.shuffle(self.train_names)
self.val_names = self.shuffle(self.val_names)
self.test_names = self.shuffle(self.test_names)
def split(self, filenames):
rgb, lwir = ([] for i in range(2))
for filename in filenames:
name = filename.split(BilodeauLoader.SEPARATOR)[-1]
if name.find(BilodeauLoader.VIS) >= 0:
rgb.append(filename)
elif name.find(BilodeauLoader.IR) >= 0:
lwir.append(filename)
return rgb, lwir
def save_image(self, index, image_name, directory, filetype):
image = Image.open(image_name)
elements = image_name.split(BilodeauLoader.SEPARATOR)
gt = ''
mirror = '0'
if elements[-1].endswith(BilodeauLoader.MIRROR + self.extension):
mirror = '1'
for e in elements[:len(elements) - 2]:
gt += e + BilodeauLoader.SEPARATOR
files = os.listdir(gt)
gt_file = [os.path.join(gt, f) for f in files if f.endswith(BilodeauLoader.GT_EXTENSION)]
unique_name = str(index) + self.extension
unique_name = os.path.join(directory, unique_name)
image.save(unique_name)
width, _ = image.size
message = str(index) + ' ' + unique_name + ' ' + image_name + ' ' + gt_file[0] + ' ' + mirror + ' ' + str(width) + '\n'
self.file_logger.write(message, filetype)
def main():
PNG_EXTENSION = '.png'
JPG_EXTENSION = '.jpg'
input_parser = InputParser()
input_parser.add_arguments('--fold', 1, 'Fold to generate data')
input_parser.add_arguments('--config', '/home/travail/dabeaq/litiv/masters/pbvs2019/cnn-rgbir/shared/config.yml', 'Path to the configuration file')
args = input_parser.get_arguments()
yml = YamlReader(args.config)
config = yml.parse()
if config is None:
return
stcharles = StCharlesLoader(config['rectified_sc_root'], PNG_EXTENSION)
bilodeau = BilodeauLoader(config['rectified_litiv_root'], JPG_EXTENSION, args.fold)
stcharles.mirror_images()
bilodeau.mirror_images()
stcharles.load_data()
bilodeau.load_data()
output = config['output_dataset']
if args.fold == config['fold1']['id']:
output = os.path.join(output, 'dataset_fold1')
elif args.fold == config['fold2']['id']:
output = os.path.join(output, 'dataset_fold2')
elif args.fold == config['fold3']['id']:
output = os.path.join(output, 'dataset_fold3')
else:
output = os.path.join(output, 'dataset')
if not os.path.exists(output):
os.mkdir(output)
data_loader = DataLoader(None, None)
train = {}
val = {}
test = {}
for image_type in DataLoader.IMAGES_TYPE:
train[image_type] = stcharles.train_names[image_type] + bilodeau.train_names[image_type]
val[image_type] = stcharles.val_names[image_type] + bilodeau.val_names[image_type]
test[image_type] = stcharles.test_names[image_type] + bilodeau.test_names[image_type]
train = stcharles.shuffle(train)
for image_type in DataLoader.IMAGES_TYPE:
intersect_tr_val = list(set(train[image_type]).intersection(set(val[image_type])))
intersect_tr_test = list(set(train[image_type]).intersection(set(test[image_type])))
intersect_val_test = list(set(val[image_type]).intersection(set(test[image_type])))
if intersect_tr_val or intersect_tr_test or intersect_val_test:
print('PROBLEM!! Data separation is not OK')
return
else:
print('Data separation is OK (no intersections)')
folders = ['train', 'validation', 'test']
maps = []
folders_both = []
for folder in folders:
current_dir = os.path.join(output, '{}'.format(folder))
if not os.path.exists(current_dir):
os.mkdir(current_dir)
maps.append(current_dir + '/map.txt')
folders_both.append(current_dir)
data_loader.set_file_loader(maps)
for image_type in StCharlesLoader.IMAGES_TYPE:
counter = 0
directory = os.path.join(folders_both[FileType.TRAIN], image_type)
if not os.path.exists(directory):
os.mkdir(directory)
print('Creating train folder ({})...'.format(image_type))
for filename in train[image_type]:
data_loader.save_image(counter, filename, directory, FileType.TRAIN)
counter += 1
directory = os.path.join(folders_both[FileType.VALIDATION], image_type)
if not os.path.exists(directory):
os.mkdir(directory)
print('Creating validation folder ({})...'.format(image_type))
for filename in val[image_type]:
data_loader.save_image(counter, filename, directory, FileType.VALIDATION)
counter += 1
directory = os.path.join(folders_both[FileType.TEST], image_type)
if not os.path.exists(directory):
os.mkdir(directory)
print('Creating test folder ({})...'.format(image_type))
for filename in test[image_type]:
data_loader.save_image(counter, filename, directory, FileType.TEST)
counter += 1
if __name__ == '__main__':
main()