误检太多解决办法:
1.增加数据。
2.如果没有数据,增加负样本。
将没有目标物体的场景当做负样本,生成空标签(如下代码),加入训练即可。
import os
import xml.dom.minidom
img_path = './fu/'
xml_path = './xml/'
for img_file in os.listdir(img_path):
img_name = os.path.splitext(img_file)[0]
#create an empty dom document object
doc = xml.dom.minidom.Document()
#creat a root node which name is annotation
annotation = doc.createElement('annotation')
#add the root node to the dom document object
doc.appendChild(annotation)
#add the folder subnode
folder = doc.createElement('folder')
folder_text = doc.createTextNode('JPEGImages')
folder.appendChild(folder_text)
annotation.appendChild(folder)
#add the filename subnode
filename = doc.createElement('filename')
filename_text = doc.createTextNode(img_file)
filename.appendChild(filename_text)
annotation.appendChild(filename)
# add the path subnode
path = doc.createElement('path')
path_text = doc.createTextNode(img_path + img_file)
path.appendChild(path_text)
annotation.appendChild(path)
#add the source subnode
source = doc.createElement('source')
database = doc.createElement('database')
database_text = doc.createTextNode('Unknown')
source.appendChild(database)
database.appendChild(database_text)
annotation.appendChild(source)
#add the size subnode
size = doc.createElement('size')
width = doc.createElement('width')
width_text = doc.createTextNode('1920')
height = doc.createElement('height')
height_text = doc.createTextNode('1080')
depth = doc.createElement('depth')
depth_text = doc.createTextNode('3')
size.appendChild(width)
width.appendChild(width_text)
size.appendChild(height)
height.appendChild(height_text)
size.appendChild(depth)
depth.appendChild(depth_text)
annotation.appendChild(size)
#add the segmented subnode
segmented = doc.createElement('segmented')
segmented_text = doc.createTextNode('0')
segmented.appendChild(segmented_text)
annotation.appendChild(segmented)
#write into the xml text file
os.mknod(xml_path+'%s.xml'%img_name)
fp = open(xml_path+'%s.xml'%img_name, 'w+')
doc.writexml(fp, indent='\t', addindent='\t', newl='\n', encoding='utf-8')
fp.close()