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preprocess.convert.py
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preprocess.convert.py
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#!/usr/bin/env python3
from cv2 import imread, imwrite, resize
import os
from scipy.io import loadmat
def main():
src_img_name = "/mnt/f/BaiduNetdiskDownload/generated_mix/img%d.jpg"
dst_img_name = "/mnt/f/DL/total-text/preprocess.generated_mix/%08d.png"
src_poly_name = "/mnt/f/BaiduNetdiskDownload/generated_mix/poly_gt_img%d.mat"
dst_poly_name = "/mnt/f/DL/total-text/preprocess.generated_mix/%08d.poly"
fileindex = range(20000)
def getminfile():
i = 0
while True:
if os.path.exists(dst_img_name%(i,)):
i += 1
else:
yield i
getminfile = getminfile()
def process(i):
dstindex = next(getminfile)
src_img = src_img_name%(i,)
dst_img = dst_img_name%(dstindex,)
src_poly = src_poly_name%(i,)
dst_poly = dst_poly_name%(dstindex,)
if not os.path.exists(src_img):
return
try:
print(i)
img = imread(src_img)
assert img.shape[0] % 256 == 0 and img.shape[1] % 256 == 0
height = img.shape[0]
width = img.shape[1]
dst_height = round(height/256)*256 or 256
dst_width = round(width/256)*256 or 256
# img = resize(img, (dst_width, dst_height))
imwrite(dst_img, img)
polygons = loadmat(src_poly)['polygt']
with open(dst_poly, 'w') as f:
for polygon in polygons:
assert len(polygon[1][0]) == len(polygon[3][0])
f.write("n\n")
for x, y in zip(polygon[1][0], polygon[3][0]):
f.write("p {}, {}\n".format(x/width*dst_width, y/height*dst_height))
f.write("e\n")
except Exception as ex:
print(ex)
try:
os.remove(dst_img)
os.remove(dst_poly)
except Exception:
pass
for i in fileindex:
process(i)
if __name__ == '__main__':
main()