PaddleOCR/ppocr/utils/gen_label.py

82 lines
2.9 KiB
Python

# copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import argparse
import json
def gen_rec_label(input_path, out_label):
with open(out_label, 'w') as out_file:
with open(input_path, 'r') as f:
for line in f.readlines():
tmp = line.strip('\n').replace(" ", "").split(',')
img_path, label = tmp[0], tmp[1]
label = label.replace("\"", "")
out_file.write(img_path + '\t' + label + '\n')
def gen_det_label(root_path, input_dir, out_label):
with open(out_label, 'w') as out_file:
for label_file in os.listdir(input_dir):
img_path = root_path + label_file[3:-4] + ".jpg"
label = []
with open(
os.path.join(input_dir, label_file), 'r',
encoding='utf-8-sig') as f:
for line in f.readlines():
tmp = line.strip("\n\r").replace("\xef\xbb\xbf",
"").split(',')
points = tmp[:8]
s = []
for i in range(0, len(points), 2):
b = points[i:i + 2]
b = [int(t) for t in b]
s.append(b)
result = {"transcription": tmp[8], "points": s}
label.append(result)
out_file.write(img_path + '\t' + json.dumps(
label, ensure_ascii=False) + '\n')
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
'--mode',
type=str,
default="rec",
help='Generate rec_label or det_label, can be set rec or det')
parser.add_argument(
'--root_path',
type=str,
default=".",
help='The root directory of images.Only takes effect when mode=det ')
parser.add_argument(
'--input_path',
type=str,
default=".",
help='Input_label or input path to be converted')
parser.add_argument(
'--output_label',
type=str,
default="out_label.txt",
help='Output file name')
args = parser.parse_args()
if args.mode == "rec":
print("Generate rec label")
gen_rec_label(args.input_path, args.output_label)
elif args.mode == "det":
gen_det_label(args.root_path, args.input_path, args.output_label)