python生成voc xml文件
from lxml import etree
class GEN_Annotations:
def __init__(self, filename):
self.root = etree.Element("annotation")
child1 = etree.SubElement(self.root, "folder")
child1.text = "VOC"
child2 = etree.SubElement(self.root, "filename")
child2.text = filename
child3 = etree.SubElement(self.root, "source")
child4 = etree.SubElement(child3, "annotation")
child4.text = "PASCAL VOC"
child5 = etree.SubElement(child3, "database")
child5.text = "Unknown"
child6 = etree.SubElement(child3, "image")
child6.text = "flickr"
child7 = etree.SubElement(child3, "flickrid")
child7.text = "35435"
def set_size(self,witdh,height,channel):
size = etree.SubElement(self.root, "size")
widthn = etree.SubElement(size, "width")
widthn.text = str(witdh)
heightn = etree.SubElement(size, "height")
heightn.text = str(height)
channeln = etree.SubElement(size, "depth")
channeln.text = str(channel)
def savefile(self,filename):
tree = etree.ElementTree(self.root)
tree.write(filename, pretty_print=True, xml_declaration=False, encoding='utf-8')
def add_pic_attr(self,label,xmin,ymin,xmax,ymax):
object = etree.SubElement(self.root, "object")
namen = etree.SubElement(object, "name")
namen.text = label
bndbox = etree.SubElement(object, "bndbox")
xminn = etree.SubElement(bndbox, "xmin")
xminn.text = str(xmin)
yminn = etree.SubElement(bndbox, "ymin")
yminn.text = str(ymin)
xmaxn = etree.SubElement(bndbox, "xmax")
xmaxn.text = str(xmax)
ymaxn = etree.SubElement(bndbox, "ymax")
ymaxn.text = str(ymax)
if __name__ == '__main__':
filename="000001.jpg"
anno= GEN_Annotations(filename)
anno.set_size(1280,720,3)
for i in range(3):
xmin=i+1
ymin=i+10
xmax=i+100
ymax=i+100
anno.add_pic_attr("mouse",xmin,ymin,xmax,ymax)
anno.savefile("00001.xml")
python读取voc xml文件
try:
import xml.etree.cElementTree as ET
except ImportError:
import xml.etree.ElementTree as ET
def GetAnnotBoxLoc(AnotPath):
tree = ET.ElementTree(file=AnotPath)
root = tree.getroot()
ObjectSet=root.findall('object')
ObjBndBoxSet={}
for Object in ObjectSet:
ObjName=Object.find('name').text
BndBox=Object.find('bndbox')
x1 = int(BndBox.find('xmin').text)
y1 = int(BndBox.find('ymin').text)
x2 = int(BndBox.find('xmax').text)
y2 = int(BndBox.find('ymax').text)
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