需要用到的接口：

获取人脸信息的接口：https://api-cn.faceplusplus.com/facepp/v3/detect

实现换脸的接口 ：https://api-cn.faceplusplus.com/imagepp/v1/mergeface

代码分为三步

代码：

import requests

import json

import simplejson

import base64

#第一步：获取人脸关键点

def find_face(imgpath):

"""

:param imgpath: 图片的地址

:return: 一个字典类型的人脸关键点 如：{'top': 156, 'left': 108, 'width': 184, 'height': 184}

"""

http_url = 'https://api-cn.faceplusplus.com/facepp/v3/detect' #获取人脸信息的接口

data = {

"api_key":"x2NyKaa6vYuArYwat4x0-NpIbM9CrwGU",#访问url所需要的参数

"api_secret":"OuHx-Xaey1QrORwdG7QetGG5JhOIC8g7",#访问url所需要的参数

"image_url":imgpath, #图片地址

"return_landmark":1

}

files = {'image_file':open(imgpath,'rb')} #定义一个字典存放图片的地址

response = requests.post(http_url,data=data,files=files)

res_con1 = response.content.decode('utf-8')

res_json = simplejson.loads(res_con1)

faces = res_json['faces']

list = faces[0]

rectangle = list['face_rectangle']

return rectangle

#第二步：实现换脸

def merge_face(image_url1,image_url2,image_url,number):

"""

:param image_url1: 被换脸的图片路径

:param image_url2: 换脸的图片路径

:param image_url: 换脸后生成图片所保存的路径

:param number: 换脸的相似度

"""

#首先获取两张图片的人脸关键点

face1 = find_face(image_url1)

face2 = find_face(image_url2)

#将人脸转换为字符串的格式

rectangle1 = str(str(face1['top']) + "," + str(face1['left']) + "," + str(face1['width']) + "," + str(face1['height']))

rectangle2 = str(str(face2['top']) + "," + str(face2['left']) + "," + str(face2['width']) + "," + str(face2['height']))

#读取两张图片

f1 = open(image_url1,'rb')

f1_64 = base64.b64encode(f1.read())

f1.close()

f2 = open(image_url2, 'rb')

f2_64 = base64.b64encode(f2.read())

f2.close()

url_add = 'https://api-cn.faceplusplus.com/imagepp/v1/mergeface' #实现换脸的接口

data={

"api_key": "x2NyKaa6vYuArYwat4x0-NpIbM9CrwGU",

"api_secret": "OuHx-Xaey1QrORwdG7QetGG5JhOIC8g7",

"template_base64":f1_64,

"template_rectangle":rectangle1,

"merge_base64":f2_64,

"merge_rectangle":rectangle2,

"merge_rate":number

}

response1 = requests.post(url_add,data=data)

res_con1 = response1.content.decode('utf-8')

res_dict = json.JSONDecoder().decode(res_con1)

result = res_dict['result']

imgdata = base64.b64decode(result)

file=open(image_url,'wb')

file.write(imgdata)

file.close()

if __name__ == '__main__':

image1 = r"meizi1.jpg"

image2 = r"meizi.jpg"

image3 = r"face1.jpg"

merge_face(image1,image2,image3,100)

效果：

换脸前

要换的脸：

换脸后：

总结

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