python 检验XML中标注框与JPG内容是否匹配
作者:互联网
from __future__ import division
import os
from PIL import Image
import xml.dom.minidom
import numpy as np
ImgPath = "/home/xxx/桌面/exchange/MJPEGImages/" # jpg 存放地址
AnnoPath = "/home/xxx/桌面/exchange/Annotations/" # xml 存放地址
ProcessedPath = "/home/xxx/桌面/he/" # 截取的jpg 存放地址
imagelist = os.listdir(ImgPath)
for image in imagelist:
image_pre, ext = os.path.splitext(image)
imgfile = ImgPath + image
print(imgfile)
if not os.path.exists(AnnoPath + image_pre + '.xml' ):
continue
xmlfile = AnnoPath + image_pre + '.xml'
DomTree = xml.dom.minidom.parse(xmlfile)
annotation = DomTree.documentElement
filenamelist = annotation.getElementsByTagName('filename')
filename = filenamelist[0].childNodes[0].data
objectlist = annotation.getElementsByTagName('object')
i = 1
for objects in objectlist:
namelist = objects.getElementsByTagName('name')
objectname = namelist[0].childNodes[0].data
savepath = ProcessedPath + objectname
if not os.path.exists(savepath):
os.makedirs(savepath)
bndbox = objects.getElementsByTagName('bndbox')
cropboxes = []
for box in bndbox:
x1_list = box.getElementsByTagName('xmin')
x1 = int(x1_list[0].childNodes[0].data)
y1_list = box.getElementsByTagName('ymin')
y1 = int(y1_list[0].childNodes[0].data)
x2_list = box.getElementsByTagName('xmax')
x2 = int(x2_list[0].childNodes[0].data)
y2_list = box.getElementsByTagName('ymax')
y2 = int(y2_list[0].childNodes[0].data)
w = x2 - x1
h = y2 - y1
obj = np.array([x1,y1,x2,y2])
shift = np.array([[1,1,1,1]])
XYmatrix = np.tile(obj,(1,1))
cropboxes = XYmatrix * shift
img = Image.open(imgfile)
for cropbox in cropboxes:
cropedimg = img.crop(cropbox)
cropedimg.save(savepath + '/' + image_pre + '_' + str(i) + '.jpg')
i += 1
标签:XML,python,getElementsByTagName,image,list,JPG,data,childNodes,os 来源: https://blog.csdn.net/lizhiwei2017/article/details/90271432