def make_db(image_path, label_path, database_path):
if os.path.isfile(label_path) is False:
raise ValueError('input path is empty or wrong.')
if os.path.isdir(database_path) is True:
raise ValueError('the database path is already exist.')
print('start time: ', time.strftime("%a, %d %b %Y %H:%M:%S",
time.gmtime()))
db = LMDB(max_commit=10000)
db.open(database_path, mode='w')
total_line = sum(1 for line in open(label_path))
count = 0
zfill_flag = '{0:0%d}' % (ZFILL)
encode_param = [int(cv2.IMWRITE_JPEG_QUALITY), 95]
start_time = time.time()
with open(label_path, 'r') as input_file:
for record in input_file:
count += 1
if count % 10000 == 0:
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(
count, total_line, now_time - start_time))
db.commit()
record = record.split()
path = record[0]
label = record[1]
img = cv2.imread(os.path.join(image_path, path))
result, imgencode = cv2.imencode('.jpg', img, encode_param)
datum = caffe_pb2.Datum()
datum.height, datum.width, datum.channels = img.shape
datum.label = int(label)
datum.encoded = True
datum.data = imgencode.tostring()
db.put(zfill_flag.format(count - 1), datum.SerializeToString())
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(count, total_line,
now_time - start_time))
db.put('size', wrapper_str(str(count)))
db.put('zfill', wrapper_str(str(ZFILL)))
db.commit()
db.close()
shutil.copy(label_path, database_path + '/image_list.txt')
end_time = time.time()
print('{0} images have been stored in the database.'.format(total_line))
print('This task finishes within {0:.2f} seconds.'.format(end_time -
start_time))
print('The size of database is {0} MB.'.format(
float(os.path.getsize(database_path + '/data.mdb') / 1000 / 1000)))
def make_db(images_list, database_path, pad=0):
if os.path.isdir(database_path) is True:
raise ValueError('the database path is already exist.')
print('start time: ', time.strftime("%a, %d %b %Y %H:%M:%S",
time.gmtime()))
db = LMDB(max_commit=10000)
db.open(database_path, mode='w')
total_line = len(images_list)
count = 0
zfill_flag = '{0:0%d}' % (ZFILL)
start_time = time.time()
for record in images_list:
count += 1
if count % 10000 == 0:
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(count, total_line,
now_time - start_time))
db.commit()
img = record[0]
label = record[1]
if pad > 0:
pad_img = np.zeros(
(img.shape[0] + 2 * pad, img.shape[1] + 2 * pad, 3),
dtype=np.uint8)
pad_img[pad:pad + img.shape[0], pad:pad + img.shape[1], :] = img
img = pad_img
datum = caffe_pb2.Datum()
datum.height, datum.width, datum.channels = img.shape
datum.label = int(label)
datum.encoded = False
datum.data = img.tostring()
db.put(zfill_flag.format(count - 1), datum.SerializeToString())
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(count, total_line,
now_time - start_time))
db.put('size', wrapper_str(str(count)))
db.put('zfill', wrapper_str(str(ZFILL)))
db.commit()
db.close()
end_time = time.time()
print('{0} images have been stored in the database.'.format(total_line))
print('This task finishes within {0:.2f} seconds.'.format(end_time -
start_time))
print('The size of database is {0} MB.'.format(
float(os.path.getsize(database_path + '/data.mdb') / 1000 / 1000)))
def make_db(images_list, database_path):
if os.path.isdir(database_path) is True:
raise ValueError('the database path is already exist.')
print('start time: ', time.strftime("%a, %d %b %Y %H:%M:%S", time.gmtime()))
db = LMDB(max_commit=10000)
db.open(database_path, mode='w')
total_line = len(images_list)
count = 0
zfill_flag = '{0:0%d}' % (ZFILL)
start_time = time.time()
for record in images_list:
count += 1
if count % 10000 == 0:
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(
count, total_line, now_time - start_time))
db.commit()
img = record[0]
label = record[1]
datum = caffe_pb2.Datum()
datum.height, datum.width, datum.channels = img.shape
datum.label = int(label)
datum.encoded = False
datum.data = img.tostring()
db.put(zfill_flag.format(count - 1), datum.SerializeToString())
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(count, total_line, now_time - start_time))
db.put('size', wrapper_str(str(count)))
db.put('zfill', wrapper_str(str(ZFILL)))
db.commit()
db.close()
end_time = time.time()
print('{0} images have been stored in the database.'.format(total_line))
print('This task finishes within {0:.2f} seconds.'.format(
end_time - start_time))
print('The size of database is {0} MB.'.format(
float(os.path.getsize(database_path + '/data.mdb') / 1000 / 1000)))
def make_db(args):
if os.path.isfile(args.list) is False:
raise ValueError('the path of image list is invalid.')
if os.path.isdir(args.database) is True:
raise ValueError('the database is already exist or invalid.')
print('start time: ', time.strftime("%a, %d %b %Y %H:%M:%S",
time.gmtime()))
db = LMDB(max_commit=10000)
db.open(args.database, mode='w')
total_line = sum(1 for line in open(args.list))
count = 0
zfill_flag = '{0:0%d}' % (args.zfill)
encode_param = [int(cv2.IMWRITE_JPEG_QUALITY), args.quality]
start_time = time.time()
with open(args.list, 'r') as input_file:
records = input_file.readlines()
if args.shuffle:
import random
random.shuffle(records)
for record in records:
count += 1
if count % 10000 == 0:
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(
count, total_line, now_time - start_time))
db.commit()
record = record.split()
path = record[0]
label = record[1]
img = cv2.imread(os.path.join(args.root, path))
if args.resize > 0:
img = resize_image(img, args.resize)
if args.pad > 0:
pad_img = np.zeros((img.shape[0] + 2 * args.pad,
img.shape[1] + 2 * args.pad, 3),
dtype=img.dtype)
pad_img[args.pad:args.pad + img.shape[0],
args.pad:args.pad + img.shape[1], :] = img
img = pad_img
result, imgencode = cv2.imencode('.jpg', img, encode_param)
datum = caffe_pb2.Datum()
datum.height, datum.width, datum.channels = img.shape
datum.label = int(label)
datum.encoded = True
datum.data = imgencode.tostring()
db.put(zfill_flag.format(count - 1), datum.SerializeToString())
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(count, total_line,
now_time - start_time))
db.put('size', str(count))
db.put('zfill', str(args.zfill))
db.commit()
db.close()
shutil.copy(args.list, args.database + '/image_list.txt')
end_time = time.time()
print('{0} images have been stored in the database.'.format(total_line))
print('This task finishes within {0:.2f} seconds.'.format(end_time -
start_time))
print('The size of database is {0} MB.'.format(
float(os.path.getsize(args.database + '/data.mdb') / 1000 / 1000)))
def make_db(args):
"""Make the sequential database for images.
Parameters
----------
database : str
The path of database.
root : str
The root folder of raw images.
list : str
The path of image list file.
resize : int
The size of the shortest edge. Default is ``0`` (Disabled).
zfill : int
The number of zeros for encoding keys.
quality : int
JPEG quality for encoding, 1-100. Default is ``95``.
shuffle : boolean
Whether to randomize the order in list file.
"""
if os.path.isfile(args.list) is False:
raise ValueError('the path of image list is invalid.')
if os.path.isdir(args.database) is True:
raise ValueError('the database is already exist or invalid.')
print('start time: ', time.strftime("%a, %d %b %Y %H:%M:%S",
time.gmtime()))
db = LMDB(max_commit=10000)
db.open(args.database, mode='w')
total_line = sum(1 for line in open(args.list))
count = 0
zfill_flag = '{0:0%d}' % (args.zfill)
encode_param = [int(cv2.IMWRITE_JPEG_QUALITY), args.quality]
start_time = time.time()
with open(args.list, 'r') as input_file:
records = input_file.readlines()
if args.shuffle:
import random
random.shuffle(records)
for record in records:
count += 1
if count % 10000 == 0:
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(
count, total_line, now_time - start_time))
db.commit()
record = record.split()
path = record[0]
label = record[1]
img = cv2.imread(os.path.join(args.root, path))
if args.resize > 0:
img = resize_image(img, args.resize)
result, imgencode = cv2.imencode('.jpg', img, encode_param)
datum = caffe_pb2.Datum()
datum.height, datum.width, datum.channels = img.shape
datum.label = int(label)
datum.encoded = True
datum.data = imgencode.tostring()
db.put(zfill_flag.format(count - 1), datum.SerializeToString())
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(count, total_line,
now_time - start_time))
db.put('size', str(count))
db.put('zfill', str(args.zfill))
db.commit()
db.close()
shutil.copy(args.list, args.database + '/image_list.txt')
end_time = time.time()
print('{0} images have been stored in the database.'.format(total_line))
print('This task finishes within {0:.2f} seconds.'.format(end_time -
start_time))
print('The size of database is {0} MB.'.format(
float(os.path.getsize(args.database + '/data.mdb') / 1000 / 1000)))
def make_db(args):
"""Make the sequential database for images.
Parameters
----------
database : str
The path of database.
root : str
The root folder of raw images.
list : str
The path of image list file.
resize : int
The size of the shortest edge. Default is ``0`` (Disabled).
zfill : int
The number of zeros for encoding keys.
quality : int
JPEG quality for encoding, 1-100. Default is ``95``.
shuffle : boolean
Whether to randomize the order in list file.
"""
if os.path.isfile(args.list) is False:
raise ValueError('the path of image list is invalid.')
if os.path.isdir(args.database) is True:
raise ValueError('the database is already exist or invalid.')
print('start time: ', time.strftime("%a, %d %b %Y %H:%M:%S", time.gmtime()))
db = LMDB(max_commit=10000)
db.open(args.database, mode='w')
total_line = sum(1 for line in open(args.list))
count = 0
zfill_flag = '{0:0%d}' % (args.zfill)
encode_param = [int(cv2.IMWRITE_JPEG_QUALITY), args.quality]
start_time = time.time()
with open(args.list, 'r') as input_file:
records = input_file.readlines()
if args.shuffle:
import random
random.shuffle(records)
for record in records:
count += 1
if count % 10000 == 0:
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(
count, total_line, now_time - start_time))
db.commit()
record = record.split()
path = record[0]
label = record[1]
img = cv2.imread(os.path.join(args.root, path))
if args.resize > 0:
img = resize_image(img, args.resize)
result, imgencode = cv2.imencode('.jpg', img, encode_param)
datum = caffe_pb2.Datum()
datum.height, datum.width, datum.channels = img.shape
datum.label = int(label)
datum.encoded = True
datum.data = imgencode.tostring()
db.put(zfill_flag.format(count - 1), datum.SerializeToString())
now_time = time.time()
print('{0} / {1} in {2:.2f} sec'.format(count, total_line, now_time - start_time))
db.put('size', str(count))
db.put('zfill', str(args.zfill))
db.commit()
db.close()
shutil.copy(args.list, args.database + '/image_list.txt')
end_time = time.time()
print('{0} images have been stored in the database.'.format(total_line))
print('This task finishes within {0:.2f} seconds.'.format(end_time - start_time))
print('The size of database is {0} MB.'.
format(float(os.path.getsize(args.database + '/data.mdb') / 1000 / 1000)))