人脸识别测颜值、测脸龄、测相似度微信接口，人脸颜值

人脸评分微信接口，获取微信图片地址，curl请求face++接口。解析json数据，计算颜值。返回用户。
颜值匹配版，请到腾讯微校上体验。http://weixiao.qq.com
<&#63;php
/**
 * 人脸识别测颜值、测脸龄、测相似度微信接口
 * @Created by MOS.Ving.
 * @Author: MOS.Ving
 * @Mail 904679843@qq.com
 * @Date: 2016-01-31
 */
 
define("TOKEN", 'weixin'); //设置token
 
//FACE++ 参数 自行到face++官网注册并创建应用
define("API_KEY", "api_key=填在这里"); //你的face++应用 api_key
define("API_SECRET", "&api_secret=这里也要填");//你的face++应用 api_secret
define("ATTRIBUTE", "&attribute=glass,pose,gender,age,race,smiling");//需要返回的内容的参数
 
define("DETECT_URL", "http://apicn.faceplusplus.com/v2/detection/detect&#63;");//检测给定图片(Image)中的所有人脸(Face)的位置和相应的面部属性api地址
define("LANDMARK_URL", "http://api.faceplusplus.com/detection/landmark&#63;");//检测给定人脸(Face)相应的面部轮廓，五官等关键点的位置，包括25点和83点两种模式api地址
define("COMPARE_URL", "https://apicn.faceplusplus.com/v2/recognition/compare&#63;");//计算两个Face的相似性以及五官相似度api地址
 
define("TYPE","&type=83p");//83点模式
 
 
define("MESSAGE_URL", "");//放回图文消息被点击需要跳转的地址，不需要跳转可不填
 
$wechatObj = new wechatCallbackapiTest();
if($_GET['echostr']){
  $wechatObj->valid();
}else{
  $wechatObj->responseMsg();
}
 
class wechatCallbackapiTest{
  public function valid(){
    $echoStr = $_GET["echostr"];
    //valid signature , option
    if($this->checkSignature()){
      echo $echoStr;
      exit;
    }
  }
 
  public function responseMsg(){
    //get post data, May be due to the different environments
    $postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
 
    //extract post data
    if (!empty($postStr)){
        /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection,
          the best way is to check the validity of xml by yourself */
        libxml_disable_entity_loader(true);
        $postObj   = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA);
        $fromUsername = $postObj->FromUserName;
        $toUsername  = $postObj->ToUserName;
        $keyword   = trim($postObj->Content);
        $imgUrl    = $postObj->PicUrl;
        $Event    = $postObj->Event;
        $EventKey   = $postObj->EventKey;
        $MsgType   = $postObj->MsgType;
        $time     = time();
 
        $itemTpl = "<item>
           <Title><![CDATA[%s]]></Title>
           <Description><![CDATA[%s]]></Description>
           <PicUrl><![CDATA[%s]]></PicUrl>
           <Url><![CDATA[%s]]></Url>
           </item>";
 
        if($MsgType == "image"){
          $item_str = sprintf($itemTpl, "颜值报告单", face($imgUrl), $imgUrl, MESSAGE_URL);
 
          $xmlTpl = "<xml>
           <ToUserName><![CDATA[%s]]></ToUserName>
           <FromUserName><![CDATA[%s]]></FromUserName>
           <CreateTime>%s</CreateTime>
           <MsgType><![CDATA[news]]></MsgType>
           <ArticleCount>%s</ArticleCount>
           <Articles>$item_str</Articles>
           </xml>";
          $resultStr = sprintf($xmlTpl, $fromUsername, $toUsername, $time, 1);
          echo $resultStr;
        }
        
    }else {
      echo "";
      exit;
    }
  }
     
  private function checkSignature(){
    // you must define TOKEN by yourself
    if (!defined("TOKEN")){
      throw new Exception('TOKEN is not defined!');
    }
     
    $signature = $_GET["signature"];
    $timestamp = $_GET["timestamp"];
    $nonce = $_GET["nonce"];
         
    $token = TOKEN;
    $tmpArr = array($token, $timestamp, $nonce);
    // use SORT_STRING rule
    sort($tmpArr, SORT_STRING);
    $tmpStr = implode( $tmpArr );
    $tmpStr = sha1( $tmpStr );
     
    if( $tmpStr == $signature ){
      return true;
    }else{
      return false;
    }
  }
 
}
 
// 调用人脸识别的API返回识别结果
function face($imgUrl){
  // face++ 链接 
  $jsonStr  =curl_get_contents(DETECT_URL.API_KEY.API_SECRET."&url=".$imgUrl.ATTRIBUTE);
  $replyDic = json_decode($jsonStr,true);
  $faceArray = $replyDic['face'];
   
  $resultStr = "";
     
  for ($i= 0;$i< count($faceArray); $i++){
     
    $resultStr .= "<----第".($i+1)."张脸---->\n";
 
    $tempFace  = $faceArray[$i];
    $faceId   = $tempFace['face_id'];
 
    $tempAttr = $tempFace['attribute'];
    // 年龄：包含年龄分析结果
    // value的值为一个非负整数表示估计的年龄, range表示估计年龄的正负区间
    $tempAge = $tempAttr['age'];
    // 性别：包含性别分析结果
    // value的值为Male/Female, confidence表示置信度
    $tempGenger = $tempAttr['gender'];
    // 种族：包含人种分析结果
    // value的值为Asian/White/Black, confidence表示置信度
    $tempRace = $tempAttr['race'];
    // 微笑：包含微笑程度分析结果
    //value的值为0-100的实数，越大表示微笑程度越高
    $tempSmiling = $tempAttr['smiling'];
    
    // 返回性别
    $sex=$tempGenger['value'];
    if($sex === "Male") {
      $resultStr .= "性别：男\n";
    } else if($sex === "Female") {
      $resultStr .= "性别：女\n";
    }
 
    //返回年龄
    $maxAge = $tempAge['value'] + ($tempAge['range'])/2;
    $age=ceil($maxAge);
    $resultStr .= "年龄：".$age."岁左右吧~ \n";
 
    //返回种族
    if($tempRace['value'] === "Asian") {
      $resultStr .= "肤色：很健康哦~\n";
    }
    else if($tempRace['value'] === "White") {
      $resultStr .= "肤色：皮肤好白哟！^ 3^\n";
    }
    else if($tempRace['value'] === "Black") {
      $resultStr .= " 肤色：你有点黑？！！！\n";
    }
 
    //返回微笑度
    $smiling = intval($tempSmiling['value']);
    $smile = round($tempSmiling['value'],3);
    $resultStr .= "微笑：".$smile."％\n";
 
    if($count<3){
      //计算颜值
      $yanzhi=getYanZhi($faceId,$smiling);
      $resultStr .= "外貌协会专家评分：".$yanzhi."分\n\n";
      $resultStr .= "\xe2\x9c\xa8小编想说：\n";
      switch ($yanzhi){
        case $yanzhi>94:
          $resultStr .="这颜值，爆表了！\n";
          break;
        case $yanzhi>87:
          $resultStr .="你这么好看，咋不上天呢！\n";
          break;
        case $yanzhi>82:
          $resultStr .="百看不厌，继续加油！\n";
          break;
        case $yanzhi>72:
          $resultStr .="还好，还能看！\n";
          break;
        case $yanzhi>67:
          $resultStr .="哎，只是丑的不明显！\n";
          break;
        case $yanzhi>62:
          $resultStr .="如果有钱，可以去整整！\n";
          break;
        default:
          $resultStr .="让我静静，你家没镜子么？\n";
      }
    }
 
  //图片中两个人时，计算相似度
  if(count($faceArray) === 2){ 
    // 获取face_id 
    $tempFace1 = $faceArray[0]; 
    $tempId1 = $tempFace1['face_id']; 
    $tempFace2 = $faceArray[1]; 
    $tempId2 = $tempFace2['face_id']; 
 
    // face++ 链接 
    $jsonStr1 = curl_get_contents(COMPARE_URL.API_KEY.API_SECRET."&face_id2=".$tempId2 ."&face_id1=".$tempId1);  
    $replyDic1 = json_decode($jsonStr1,true); 
 
    //取出相似程度 
    $tempResult = $replyDic1['similarity']; 
     
    $tempSimilarity = $replyDic1['component_similarity']; 
    $tempEye = $tempSimilarity['eye']; 
    $tempEyebrow = $tempSimilarity['eyebrow']; 
    $tempMouth = $tempSimilarity['mouth']; 
    $tempNose = $tempSimilarity['nose']; 
 
    $resultStr .= "<----相似分析---->\n"; 
    $resultStr .= "眼睛：".round($tempEye,3)."％\n"; 
    $resultStr .= "眉毛：".round($tempEyebrow,3)."％\n"; 
    $resultStr .= "嘴巴：".round($tempMouth,3)."％\n"; 
    $resultStr .= "鼻子：".round($tempNose,3)."％\n"; 
     
    $resultStr .= "\n<----匹配结果---->\n两人相似程度：".round($tempResult,3)."％\n"; 
 
    if($tempResult>70){
      $resultStr .="哇塞！绝对的夫妻相了！\n";
    }elseif ($tempResult>50){
      $resultStr .="哎哟，长得挺像！你们快点在一起吧！\n";
    }else{
      $resultStr .="0.0 长得不太一样哦。\n";
    }
   
  } 
 
  //如果没有检测到人脸
  if($resultStr === ""){
    $resultStr = "对不起,俺没有识别出来，请换张正脸照试试=.=";
  }
 
 return $resultStr;
}
 
 
//颜值算法
function getYanZhi($faceId,$smiling){
  $t1=microtime(1);
  $jsonStr = curl_get_contents(LANDMARK_URL.API_KEY.API_SECRET."&face_id=".$faceId.TYPE);
  $t2=microtime(1);
  if(($t2-$t1)>1.5){
    return 75.632;
  }
 
  if ($jsonStr!=false) {
    $replyDic = json_decode($jsonStr,true);
 
    $result = $replyDic['result'];
    $landmarkArry = $result[0];
    $landmark =$landmarkArry['landmark'];
 
    $right_eyebrow_left_corner =$landmark['right_eyebrow_left_corner'];
    $left_eyebrow_right_corner =$landmark['left_eyebrow_right_corner'];
 
    $left_eye_left_corner    =$landmark['left_eye_left_corner'];
    $left_eye_right_corner   =$landmark['left_eye_right_corner'];
 
    $mouth_left_corner     =$landmark['mouth_left_corner'];
    $mouth_right_corner     =$landmark['mouth_right_corner'];
 
    $nose_left         =$landmark['nose_left'];
    $nose_right         =$landmark['nose_right'];
    $nose_contour_lower_middle =$landmark['nose_contour_lower_middle'];
 
    $right_eye_left_corner   =$landmark['right_eye_left_corner'];
    $right_eye_right_corner   =$landmark['right_eye_right_corner'];
 
    $contour_left1       =$landmark['contour_left1'];
    $contour_right1       =$landmark['contour_right1'];
    $contour_chin        =$landmark['contour_chin'];
    $contour_left6       =$landmark['contour_left6'];
    $contour_right6       =$landmark['contour_right6'];
 
    //计算两眉头间的距离
    $c1=distance($left_eyebrow_right_corner['x'],$left_eyebrow_right_corner['y'],$right_eyebrow_left_corner['x'],$right_eyebrow_left_corner['y']);
 
    //眉毛之间的中点坐标;
    $c1_x=($right_eyebrow_left_corner['x']-$left_eyebrow_right_corner['x'])/2+$left_eyebrow_right_corner['x'];
    $c1_y=($right_eyebrow_left_corner['y']-$left_eyebrow_right_corner['y'])/2+$left_eyebrow_right_corner['y'];
 
    //眉毛中点到鼻子最低处的距离
    $c2 = distance($nose_contour_lower_middle['x'],$nose_contour_lower_middle['y'],$c1_x,$c1_y);
 
    //眼角之间的距离
    $c3 = distance($left_eye_right_corner['x'],$left_eye_right_corner['y'],$right_eye_left_corner['x'],$right_eye_left_corner['y']);
 
    //鼻子的宽度
    $c4 = distance($nose_left['x'],$nose_left['y'],$nose_right['x'],$nose_right['y']);
 
    //脸的宽度
    $c5 = distance($contour_left1['x'],$contour_left1['y'],$contour_right1['x'],$contour_right1['y']);
 
    //下巴到鼻子下方的高度
    $c6 = distance($contour_chin['x'],$contour_chin['y'],$nose_contour_lower_middle['x'],$nose_contour_lower_middle['y']);
 
    //眼睛的大小
    $c7_left = distance($left_eye_left_corner['x'],$left_eye_left_corner['y'],$left_eye_right_corner['x'],$left_eye_right_corner['y']);
    $c7_right = distance($right_eye_left_corner['x'],$right_eye_left_corner['y'],$right_eye_right_corner['x'],$right_eye_right_corner['y']);
 
    //嘴巴的大小
    $c8 = distance($mouth_left_corner['x'],$mouth_left_corner['y'],$mouth_right_corner['x'],$mouth_right_corner['y']);
 
    //嘴巴处的face大小
    $c9 = distance($contour_left6['x'],$contour_left6['y'],$contour_right6['x'],$contour_right6['y']);
 
    /* 开始计算步骤 */
    $yourmark = 100;
    $mustm = 0;
 
    //眼角距离为脸宽的1/5，
    $mustm += abs(($c3/$c5)*100 - 25);
 
    //鼻子宽度为脸宽的1/5
    $mustm += abs(($c4/$c5)*100 - 25);
 
    //眼睛的宽度，应为同一水平脸部宽度的!/5
    $eyepj = ($c7_left+$c7_right)/2;
    $mustm += abs($eyepj/$c5*100 - 25);
 
    //理想嘴巴宽度应为同一脸部宽度的1/2
    $mustm += abs(($c8/$c9)*100 - 50);
 
 
    //下巴到鼻子下方的高度 == 眉毛中点到鼻子最低处的距离
    $mustm += abs($c6 - $c2);
 
    return round($yourmark-$mustm+$smiling/10,3);
  }else{
    return 60;
  }
 
}
 
//两点之间的距离
function distance($px1,$py1,$px2,$py2){
  return sqrt(abs(pow($px2 - $px1,2)) + abs(pow($py2 - $py1,2)));
}
 
 
function curl_get_contents($url) {
  $ch = curl_init();
  curl_setopt( $ch , CURLOPT_URL,$url);
  curl_setopt( $ch , CURLOPT_RETURNTRANSFER,1);
  curl_setopt( $ch , CURLOPT_TIMEOUT,1);
  curl_setopt( $ch , CURLOPT_CONNECTTIMEOUT,1.5);
  $result = curl_exec($ch);
  return $result;
}
 
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