在python中读取PASCAL VOC注释

<annotation>
<folder>training</folder>
<filename>chanel1.jpg</filename>
<source>
<database>synthetic initialization</database>
<annotation>PASCAL VOC2007</annotation>
<image>synthetic</image>
<flickrid>none</flickrid>
</source>
<owner>
<flickrid>none</flickrid>
<name>none</name>
</owner>
<size>
<width>640</width>
<height>427</height>
<depth>3</depth>
</size>
<segmented>0</segmented>
<object>
<name>chanel</name>
<pose>Unspecified</pose>
<truncated>0</truncated>
<difficult>0</difficult>
<bndbox>
<xmin>344</xmin>
<ymin>10</ymin>
<xmax>422</xmax>
<ymax>83</ymax>
</bndbox>
</object>
<object>
<name>chanel</name>
<pose>Unspecified</pose>
<truncated>0</truncated>
<difficult>0</difficult>
<bndbox>
<xmin>355</xmin>
<ymin>165</ymin>
<xmax>443</xmax>
<ymax>206</ymax>
</bndbox>
</object>
</annotation>

例如,检索字段的最干净方法是什么 filename bndbox 用Python?

到目前为止,我的代码是:

from xml.etree import ElementTree as ET
tree = ET.parse("data/all/annotations/" + file)
fn = tree.find('filename').text
boxes = tree.findall('bndbox')

fn == 'chanel1.jpg'
boxes == []

因此,它成功地提取了 文件名 bndbox “是的。