defconvert(size, box): dw = 1. / size[0] dh = 1. / 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
tree = ET.parse(in_file) root = tree.getroot() size = root.find('size') w = int(size.find('width').text) h = int(size.find('height').text) for obj in root.iter('object'): difficult = obj.find('difficult').text cls = obj.find('name').text if cls notin classes orint(difficult) == 1: continue cls_id = classes.index(cls) # 获取类别索引 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('%.6f' % a) for a in bb]) + '\n')
image_ids = [] for x in glob.glob(data_dir + '/%s' % image_set + '/*.xml'): image_ids.append(os.path.basename(x)[:-4]) print('\n%s数量:' % image_set, len(image_ids)) # 确认数量 i = 0 for image_id in image_ids: i = i + 1 convert_annotation(data_dir, image_set, imageset2, image_id) print("%s 数据:%s/%s文件完成!" % (image_set, i, len(image_ids)))