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xml-txt.py
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xml-txt.py
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# 这是进行选取已经打标的文件并且重命名为数字序列
import os
import shutil
import xml.etree.ElementTree as ET
from os import getcwd, listdir
from os.path import join
classes = ['Diana','Eileen','Bella','Carol','Ava']
def convert(size, box):
dw = 1.0/size[0]
dh = 1.0/size[1]
x = (box[0]+box[1])/2.0
y = (box[2]+box[3])/2.0
w = box[1] - box[0]
h = box[3] - box[2]
x = x*dw
w = w*dw
y = y*dh
h = h*dh
return (x,y,w,h)
r = 0
def convert_annotation(image_name):
global r
in_file = open(f'./Asoul/labels/{image_name}.xml')
out_file = open(f'./Asoul/txtlabels/{r}.txt',mode='a')
try:
shutil.copy(f'./Asoul/images/{image_name}.jpg', f'./Asoul/useimg/{r}.jpg')
except:
try:
shutil.copy(f'./Asoul/images/{image_name}.jpeg', f'./Asoul/useimg/{r}.jpeg')
except:
shutil.copy(f'./Asoul/images/{image_name}.png', f'./Asoul/useimg/{r}.png')
f = open(f'./Asoul/labels/{image_name}.xml')
xml_text = f.read()
root = ET.fromstring(xml_text)
f.close()
size = root.find('size')
w = int(size.find('width').text)
h = int(size.find('height').text)
for obj in root.iter('object'):
cls = obj.find('name').text
if cls not in classes:
print(cls)
continue
cls_id = classes.index(cls)
xmlbox = obj.find('bndbox')
b = (float(xmlbox.find('xmin').text), float(xmlbox.find('xmax').text), float(xmlbox.find('ymin').text),
float(xmlbox.find('ymax').text))
bb = convert((w,h), b)
out_file.write(str(cls_id) + " " + " ".join([str(a) for a in bb]) + '\n')
r += 1
wd = getcwd()
if __name__ == '__main__':
list_ = ['.'.join(x.split('.')[:-1]) for x in os.listdir("./Asoul/labels") if os.path.isfile(os.path.join('./Asoul/labels', x))]
for id in list_:
try:
convert_annotation(id)
except:
continue