import as ET
import pickle
import os
from os import listdir, getcwd
from import join
def convert(size, box):
# size=(width, height) b=(xmin, xmax, ymin, ymax)
# x_center = (xmax+xmin)/2 y_center = (ymax+ymin)/2
# x = x_center / width y = y_center / height
# w = (xmax-xmin) / width h = (ymax-ymin) / height
x_center = (box[0] + box[1]) / 2.0
y_center = (box[2] + box[3]) / 2.0
x = x_center / size[0]
y = y_center / size[1]
w = (box[1] - box[0]) / size[0]
h = (box[3] - box[2]) / size[1]
# print(x, y, w, h)
return (x, y, w, h)
def convert_annotation(xml_files_path, save_txt_files_path, classes):
xml_files = (xml_files_path)
# print(xml_files)
for xml_name in xml_files:
# print(xml_name)
xml_file = (xml_files_path, xml_name)
out_txt_path = (save_txt_files_path, xml_name.split('.')[0] + '.txt')
out_txt_f = open(out_txt_path, 'w')
tree = (xml_file)
root = ()
size = ('size')
w = int(('width').text)
h = int(('height').text)
for obj in root.iter('object'):
difficult = ('difficult').text
cls = ('name').text
# if cls not in classes or int(difficult) == 1:
# continue
cls_id = (cls)
xmlbox = ('bndbox')
b = (float(('xmin').text), float(('xmax').text), float(('ymin').text),
float(('ymax').text))
# b=(xmin, xmax, ymin, ymax)
# print(w, h, b)
bb = convert((w, h), b)
out_txt_f.write(str(cls_id) + " " + " ".join([str(a) for a in bb]) + '\n')
if __name__ == "__main__":
# 把forklift_pallet的voc的xml标签文件转化为yolo的txt标签文件
# 1、需要转化的类别
classes = ['car']
# 2、voc格式的xml标签文件路径
xml_files1 = r'C:\Users\GuoQiang\Desktop\data\Tench_label_Strength'
# xml_files1 = r'C:/Users/GuoQiang/Desktop/数据集/标签1'
# 3、转化为yolo格式的txt标签文件存储路径
save_txt_files1 = r'C:\Users\GuoQiang\Desktop\data\Tench_label_Strength_txt'
convert_annotation(xml_files1, save_txt_files1, classes)