# 标签xml转txt以及无xml的负样本空txt import xml.etree.ElementTree as ET import os, cv2 from os import getcwd sets = ['train', 'val', 'test'] classes = ['tag', 'bandage'] def convert(size, box): dw = 1. / (size[0]) dh = 1. / (size[1]) x = (box[0] + box[1]) / 2.0 - 1 y = (box[2] + box[3]) / 2.0 - 1 w = box[1] - box[0] h = box[3] - box[2] x = x * dw y = y * dh w = w * dw h = h * dh return x, y, w, h def convert_annotation(image_id, imgname_list, label_path, Annotation_path, image_path): out_file = open(label_path + '%s.txt' % (image_id), 'w') if os.path.exists(Annotation_path + '%s.xml' % (image_id)): try: in_file = open(Annotation_path + '%s.xml' % (image_id), encoding='UTF-8') tree = ET.parse(in_file) root = tree.getroot() size = root.find('size') # if size!=None: # w = int(size.find('width').text) # h = int(size.find('height').text) # else: img_name = image_id + ".jpg" img_path = image_path + f"{img_name}" img_data_ = cv2.imread(img_path) h, w = img_data_.shape[0], img_data_.shape[1] for obj in root.iter('object'): # difficult = obj.find('difficult').text # difficult = obj.find('Difficult').text cls = obj.find('name').text # cls = cls[:13] # print("cls:", cls, len(cls)) # if cls not in classes or int(difficult) == 1: # continue try: 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)) b1, b2, b3, b4 = b # 标注越界修正 if b2 > w: b2 = w if b4 > h: b4 = h b = (b1, b2, b3, b4) bb = convert((w, h), b) out_file.write(str(cls_id) + " " + " ".join([str(a) for a in bb]) + '\n') except Exception as e: print(e, image_id) imgname_list.append(image_id) except Exception as e: print('error:', e, image_id) else: out_file.write('\n') # abs_path = os.getcwd() image_path = '/home/lc/data_center/gift/v2/images/' # img实际存放地址 Annotation_path = '/home/lc/data_center/gift/v2/xmls/' # xml实际存放地址 label_path = '/home/lc/data_center/gift/v2/labels/' # 保存路径 # wd = getcwd() imgname_list = [] for image_set in sets: if not os.path.exists(label_path): os.makedirs(label_path) # image_ids = open('data/ImageSets/Main/%s.txt' % (image_set), encoding='gbk').read().strip().split() # image_ids = open('data/ImageSets/Main_0820/%s.txt' % (image_set)).read().strip().split() image_ids = open('/home/lc/data_center/gift/yolov10_data/Main/%s.txt' % (image_set)).read().split('\n') list_file = open('/home/lc/data_center/gift/yolov10_data/%s.txt' % (image_set), 'w') for image_id in image_ids: list_file.write(image_path + '%s.jpg\n' % (image_id)) # print(image_id, "Converting...") convert_annotation(image_id, imgname_list, label_path, Annotation_path, image_path) list_file.close() with open('error_img.txt', 'w+') as f: for i_name in imgname_list: f.write(i_name + '\n') print("error imgname_list:", imgname_list)