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社区首页 >专栏 >PASCAL VOC统计各类目标数量

PASCAL VOC统计各类目标数量

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狼啸风云
修改2022-09-02 21:28:18
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修改2022-09-02 21:28:18
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文章被收录于专栏:计算机视觉理论及其实现
代码语言:javascript
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# -*- coding:utf-8 -*-
import os
import xml.etree.ElementTree as ET
import numpy as np

np.set_printoptions(suppress=True, threshold=1000000)
import matplotlib
from PIL import Image


def parse_obj(xml_path, filename):
    tree = ET.parse(xml_path + filename)
    objects = []
    for obj in tree.findall('object'):
        obj_struct = {}
        obj_struct['name'] = obj.find('name').text
        objects.append(obj_struct)
    return objects


def read_image(image_path, filename):
    im = Image.open(image_path + filename)
    W = im.size[0]
    H = im.size[1]
    area = W * H
    im_info = [W, H, area]
    return im_info


if __name__ == '__main__':
    xml_path = 'D:\paper\\3low_light_image\expriment1\CAD_car\Annotations\\'
    filenamess = os.listdir(xml_path)
    filenames = []
    for name in filenamess:
        name = name.replace('.xml', '')
        filenames.append(name)
    recs = {}
    obs_shape = {}
    classnames = []
    num_objs = {}
    obj_avg = {}
    for i, name in enumerate(filenames):
        recs[name] = parse_obj(xml_path, name + '.xml')
    for name in filenames:
        for object in recs[name]:
            if object['name'] not in num_objs.keys():
                num_objs[object['name']] = 1
            else:
                num_objs[object['name']] += 1
            if object['name'] not in classnames:
                classnames.append(object['name'])
    for name in classnames:
        print('{}:{}个'.format(name, num_objs[name]))
    print('信息统计算完毕。')
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原始发表:2020/07/13 ,如有侵权请联系 cloudcommunity@tencent.com 删除

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