【百度人脸识别api】一、人脸检测

import json
import urllib
import cv2
import base64
from baidu_face_detect.token import GetToken


def img_detect_data(filepath):
    with open(filepath, 'rb') as fp:
        pic1 = base64.b64encode(fp.read())
        params = json.dumps(
            {"image": str(pic1, 'utf-8'), "image_type": "BASE64", "face_field": "age,beauty,expression,faceshape","max_face_num":10 }
        )
        return params.encode(encoding='UTF8')

def img_detect(fp1):
    request_url = "https://aip.baidubce.com/rest/2.0/face/v3/detect"
    params =img_detect_data(fp1)
    access_token = GetToken()
    request_url = request_url + "?access_token=" + access_token
    request = urllib.request.Request(url=request_url, data=params)
    request.add_header('Content-Type', 'application/json')
    response = urllib.request.urlopen(request)
    content = response.read()
    content = eval(content)

    img = cv2.imread(fp1)

    face_num = content['result']['face_num']