因上传大小限制，此处只上传citysperson数据集的train与test标注文件 以及包含标注文件解析yolo格式代码（根据代码设置选择自己需要的行人，例子中选的是除0之外、遮挡小于3.5，高度大于50的所有行人） 类别： class_label =0: ignore regions (fake humans, e.g. people on posters, reflections etc.) class_label =1: pedestrians class_label =2: riders class_label =3: sitting persons class_label =4: other persons with unusual postures class_label =5: group of people