Face recognition to measure appearance, age and similarity WeChat interface, face appearance_PHP tutorial

WeChat interface for face recognition to measure appearance, age and similarity, facial appearance

WeChat interface for face rating, get WeChat picture address, curl request face interface. Parse json data and calculate appearance value. Return user.

Appearance-matching version, please go to Tencent Micro School to experience it. 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;
}
 
&#63;>

Demo picture

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