php开发人脸识别的api接口

1、精选优质文档-倾情为你奉上php开发人脸识别的api接口作者：来源：互联网日期：2013-11-14 16:20:25 评论：(  )阅读：1982在网上发现一个编写的人脸识别的API，试了一下还不错，这里推荐给大家，有兴趣的可以研究研究。首先，检测出三张输入图片中的Face。然后，使用这三个Face各自创建1个新的Person。这三个Person将构建一个新的Group以作为候选的识别库。最后，输入一张新Image，并在已构建的Group中识别这个新Image中的Face。创建新的Person待识别图片首先需要经过初步检测，找出图片中Face的位置及属性。然后，

2、再使用API中的Person管理创建新的Person。1234567891011121314151617181920212223242526272829303132333435/ the list of person_name to train and identify for$person_names = array("1", "2", "3");/ store the face_ids obtained by detection/detect API$face_ids = 

3、;array();/ register new people, detect facesforeach ($person_names as $person_name)    detect($api, $person_name, $face_ids);                     

4、0;        /* *  create new person, detect faces from person's image_url */function detect(&$api, $person_name, &$face_ids)    / obtain photo_url to train    $url = getTrainingUrl

5、($person_name);                                      / detect faces in this photo    $resu

6、lt = $api->face_detect($url);    / skip errors    if (empty($result->face)        return false;    / skip photo with multiple faces (we are not sure which face to train) 

7、;   if (count($result->face) > 1)        return false;                             &

8、#160;        / obtain the face_id    $face_id = $result->face0->face_id;    $face_ids = $face_id;    / delete the person if exists    $api->person_delete($p

9、erson_name);    / create a new person for this face    $api->person_create($person_name);    / add face into new person    $api->person_add_face($face_id, $person_name);构建新的Group注册一个新的Group，并将之前创建的Person加入这个Gr

10、oup。123456789101112131415161718/ the name of group for testing$group = "sample_group"/ generate a new group, add people into groupcreate_group($api, $group, $person_names);                &#

11、160;         /* *  generate a new group with group_name, add all people into group */function create_group(&$api, $group_name, $person_names)    / delete the group if exists    $api

12、->group_delete($group_name);    / create new group    $api->group_create($group_name);    / add new person into the group    foreach ($person_names as $person_name)      

13、;  $api->group_add_person($person_name, $group_name);训练识别模型对刚创建的group，调用/train/identify来训练识别特征以待识别。(注意：/train/identify是一个异步方法，因此在调用train函数后我们需要等待训练完毕才能继续执行后续代码。)1234567891011121314151617181920212223242526272829/ generate training model for grouptrain($api, $group);  

14、                    /* *  train identification model for group */function train(&$api, $group_name)    / train model    $session

15、60;= $api->train_identify($group_name);    if (empty($session->session_id)            / something went wrong, skip        return false;    

16、    $session_id = $session->session_id;    / wait until training process done    while ($session=$api->info_get_session($session_id)            sleep(1); 

17、                             if (!empty($session->status)             if ($session

18、->status != "INQUEUE")                break;                / done    return true;识别新图中的Face在对新图中

19、的Face进行以上提及的检测，注册和训练之后，我们就可以在已构建Group中识别新图中出现的Face了：123456789101112131415161718192021222324252627282930/ finally, identify people in the groupidentify($api, $person_names0, $group);                  /

20、* *  identify a person in group */function identify(&$api, $person_name, $group_name)    / obtain photo_url to identify    $url = getPhotoUrl($person_name);           

21、;               / recoginzation    $result = $api->recognition_identify($url, $group_name);                

22、          / skip errors    if (empty($result->face)        return false;    / skip photo with multiple faces    if (count($result->face) > 1)        return false;    $face = $result->face0;  &