免费人脸识别api

php代码：

//sae上：
$url = "http://weiping-face.stor.sinaapp.com/test.jpeg";
$api = new apibus();
$face = $api->load("face");
$obj = $face->detect("face.com api_key", "face.com api_secret", $url );    
print_r( $obj );