# -*- coding: utf-8 -*-
import xml.etree.ElementTree as ET
import os
from os import getcwd
sets = ['train', 'val', 'test']
# classes = ["0", "1", "2", "2_1", "3", "4", "5"] # 改成自己的类别
classes = ["0", "1", "2", "3", "4", "5", "6", "7", "8"] # 改成自己的类别
# classes = ["0", "1", "2", "2_1", "9"] # 改成自己的类别
abs_path = os.getcwd()
print(abs_path)
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
w = w * dw
y = y * dh
h = h * dh
return x, y, w, h
def convert_annotation(image_id):
in_file = open('xml/%s.xml' % (image_id), encoding='UTF-8')
out_file = open('labels/%s.txt' % (image_id), 'w')
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
difficult = obj.find('difficult').text
cls = obj.find('name').text
if cls not in classes or int(difficult) == 1:
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))
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')
wd = getcwd()
for image_set in sets:
if not os.path.exists('labels/'):
os.makedirs('labels/')
if not os.path.exists('paper_data/'):
os.makedirs('paper_data/')
image_ids = open('dataSet/%s.txt' % (image_set)).read().strip().split()
list_file = open('paper_data/%s.txt' % (image_set), 'w')
for image_id in image_ids:
file_name = abs_path + '/images/%s.jpg' % (image_id)
if os.path.exists(file_name):
list_file.write(file_name+'\n')
convert_annotation(image_id)
file_name1 = abs_path + '/images/%s.png' % (image_id)
if os.path.exists(file_name1):
list_file.write(file_name1+'\n')
convert_annotation(image_id)
continue
list_file.close()
