代码拉取完成,页面将自动刷新
import copy
from lxml.etree import Element, SubElement, tostring, ElementTree
import xml.etree.ElementTree as ET
import pickle
import os
import re
from os import listdir, getcwd
from os.path import join
classes = ["grape", "Strawberry", "Apple", "Orange"] # 类别
CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
def convert(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)
def convert_annotation(image_id):
in_file = open('labels_xml/%s.xml' % (image_id), encoding='UTF-8')
out_file = open('labels_txt/%s.txt' % (image_id), 'w') # 生成txt格式文件
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'):
cls = obj.find('name').text
# print(cls)
if cls not in classes:
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')
xml_path = os.path.join(CURRENT_DIR, 'labels_xml/')
# xml list
img_xmls = os.listdir(xml_path)
for img_xml in img_xmls:
label_name = re.split('\.(?=[^.]*$)', img_xml)[0]
print(label_name)
convert_annotation(label_name)
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