/identity/liveness_selfie_verification
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小牛编辑
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2023-12-01
1.接口描述
该 API 的功能是将活体检测SDK返回的protobuf文件中的活体数据与自拍照片进行比对,来判断是否同一个人。
注1:此接口只能配合Android活体检测SDK或者iOS活体检测SDK使用;
注2:protobuf文件中包含加密的人脸图片、视频等活体数据,与移动端SDK设置参数OUTPUT_TYPE有关;
注3:文档中描述的“protobuf文件”、“加密文件”、“二进制文件”均为同一个意思。
自拍照要求
- 格式为 JPG(JPEG),BMP,PNG,GIF,TIFF
- 宽和高大于 8px,小于等于4000px
- 小于等于 5 MB
支持自动识别人脸方向
- 上传的图片中包含有 exif 方向信息,先按此信息旋转、翻转后再做识别人脸方向并调整
- 如果照片方向混乱且 exif 方向信息不存在或不正确,自动识别人脸方向并调整
请求方式
POST
请求 URL
https://cloudapi.linkface.cn/identity/liveness_selfie_verification
2.请求参数
字段 | 类型 | 必需 | 描述 |
---|---|---|---|
api_id | string | 是 | API 账户 |
api_secret | string | 是 | API 密钥 |
selfie_file | file | 见下方注释 | 自拍照片,上传本地图片进行检测时选取此参数 |
selfie_url | string | 见下方注释 | 自拍照片的网络地址,采用抓取网络图片方式时需选取此参数 |
selfie_image_id | string | 见下方注释 | 自拍照片的id,在云端上传过自拍照片可采用选取此参数 |
selfie_auto_rotate | boolean | 否 | 开启图片自动旋转功能。开通:true,不开通:false。默认false |
liveness_data_file | file | 见下方注释 | 活体检测SDK返回的protobuf文件。上传本地文件时选取此参数 |
liveness_data_url | string | 见下方注释 | 活体检测SDK返回的protobuf文件的url。采用抓取网络文件方式时需选取此参数 |
liveness_data_id | string | 见下方注释 | 活体检测SDK返回的protobuf文件的id。在云端上传过文件可采用此参数 |
请求参数
selfie_file
,selfie_url
与selfie_image_id
三选一请求参数
liveness_data_file
,liveness_data_url
与liveness_data_id
三选一。
3.返回参数
字段 | 类型 | 描述 |
---|---|---|
request_id | string | 本次请求的id。 |
status | string | 状态。正常为 OK ,其他值表示失败。详见错误码 |
hack_score | float | 防hack得分,取值范围是0~1。值越大表示被hack的可能性越大 |
verify_score | float | 置信度,值为 0~1,值越大表示两张照片是同一个人的可能性越大 |
liveness_data_id | string | 使用file、url方式上传活体数据返回的活体数据的id |
image_id | string | 使用file、url方式上传公安部后台预留返回的公安部后台预留的带水印照片的id |
当图片中存在多个人脸时,系统会选出其中最大的人脸进行比对。
置信度阈值与错误率对应关系:
阈值 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 |
---|---|---|---|---|---|---|
错误率 | 十分之一 | 百分之一 | 千分之一 | 万分之一 | 十万分之一 | 百万分之一 |
> 备注:verify_score阈值为0.7,由行业大数据训练得到,大于等于0.7是同一人
{
"request_id": "TID8bf47ab6eda64476973cc5f5b6ebf57e",
"status": "OK",
"hack_score": "xxx",
"verify_score": "xxxxx",
"liveness_data_id": "xxxxx",
"image_id": "xxxxx"
}
4.错误码
状态码 | status 字段 | 说明 |
---|---|---|
400 | ENCODING_ERROR | 参数非UTF-8编码 |
400 | DOWNLOAD_TIMEOUT | 网络地址图片获取超时,详情见字段 image |
400 | DOWNLOAD_ERROR | 网络地址图片获取失败,详情见字段 image |
400 | IMAGE_FILE_SIZE_TOO_BIG | 图片体积过大,详情见字段 `image |
400 | IMAGE_ID_NOT_EXIST | 图片不存在,详情见字段 image |
400 | NO_FACE_DETECTED | 存在图片未检测出人脸 ,详情见字段 image |
400 | CORRUPT_IMAGE | 文件不是图片文件或已经损坏,详情见字段 image |
400 | INVALID_IMAGE_FORMAT_OR_SIZE | 图片大小或格式不符合要求,详情见字段 image |
400 | NO_FACE_DETECTED | 图片未检测出人脸 ,详情见字段 image |
400 | WRONG_LIVENESS_DATA | liveness_data 出错 |
400 | INVALID_ARGUMENT | 请求参数错误,具体原因见 reason 字段内容 |
401 | UNAUTHORIZED | 账号或密钥错误 |
401 | KEY_EXPIRED | 账号过期,具体情况见 reason 字段内容 |
403 | RATE_LIMIT_EXCEEDED | 调用频率超出限额 |
403 | NO_PERMISSION | 无调用权限 |
403 | OUT_OF_QUOTA | 调用次数超出限额 |
404 | NOT_FOUND | 请求路径错误 |
500 | INTERNAL_ERROR | 服务器内部错误 |
输出样例:
{
"status": "DOWNLOAD_TIMEOUT",
"image": "selfie_file",
"request_id": "TID8bf47ab6eda64476973cc5f5b6ebf57e"
}
5.输入示例
cURL 样例
curl -X POST "https://cloudapi.linkface.cn/identity/liveness_selfie_verification?api_id=ID&api_secret=SECRET" \
-F liveness_data_file=@/PATH/TO/PROTOBUF -F selfie_file=@/PATH/TO/IMAGE2
HTTPie 样例
http -f POST "https://cloudapi.linkface.cn/identity/liveness_selfie_verification?api_id=ID&api_secret=SECRET" \
liveness_data_file@/PATH/TO/PROTOBUF selfie_file@/PATH/TO/IMAGE2
C++ 样例
#include <iostream>
#include <cstring>
#include <exception>
#include <curl/curl.h>
#include <json/json.h>
using namespace std;
size_t callback(char *ptr, size_t size, size_t nmemb, string &stream){
size_t sizes = size*nmemb;
string temp(ptr,sizes);
stream += temp;
return sizes;
}
int main( int argv, char * argc[] ){
CURL *curl;
CURLM *multi_handle;
CURLcode res;
long code;
string stream;
struct curl_httppost *formpost = NULL;
struct curl_httppost *lastptr = NULL;
struct curl_slist *headerlist = NULL;
try{
curl_global_init(CURL_GLOBAL_DEFAULT);
curl = curl_easy_init();
if( curl ){
curl_formadd(&formpost,&lastptr,CURLFORM_COPYNAME,"api_id",
CURLFORM_COPYCONTENTS, "ID",CURLFORM_END);
curl_formadd(&formpost,&lastptr,CURLFORM_COPYNAME,"api_secret",
CURLFORM_COPYCONTENTS, "SECRET",CURLFORM_END);
curl_formadd(&formpost,&lastptr,CURLFORM_COPYNAME,"liveness_data_file",
CURLFORM_FILE, argc[1], CURLFORM_END);
curl_formadd(&formpost,&lastptr,CURLFORM_COPYNAME,"selfie_file",
CURLFORM_FILE, argc[2], CURLFORM_END);
curl_easy_setopt(curl, CURLOPT_URL, "https://cloudapi.linkface.cn/identity/liveness_selfie_verification");
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &stream);
#ifdef SKIP_PEER_VERIFICATION
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
#endif
#ifdef SKIP_HOSTNAME_VERIFICATION
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
#endif
res = curl_easy_perform(curl);
if( res != CURLE_OK ){
cout<<"curl_easy_perform() failed:"<<curl_easy_strerror(res)<<endl;
return -1;
}
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
Json::Value res_data;
Json::Reader *reader = new Json::Reader(Json::Features::strictMode());
if(!reader->parse(stream, res_data)){
cout<<"parse error";
return -1;
}
cout<<"HTTP Status Code:"<<code<<endl;
cout<<res_data<<endl;
curl_easy_cleanup(curl);
}
curl_global_cleanup();
}catch(exception &ex){
cout<<"curl exception:"<<ex.what()<<endl;
}
}
Java 样例
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
public class httpClientPost {
public static final String api_id = "ID";
public static final String api_secret = "SECRET";
public static final String filepath1="C:/Users/liveness.protobuf";//protobuf文件路径
public static final String filepath2="C:/Users/card.jpg";//图片2路径
public static final String POST_URL = "https://cloudapi.linkface.cn/identity/liveness_selfie_verification";
public static void HttpClientPost() throws ClientProtocolException, IOException {
HttpClient httpclient = new DefaultHttpClient();
HttpPost post = new HttpPost(POST_URL);
StringBody id = new StringBody(api_id);
StringBody secret = new StringBody(api_secret);
FileBody fileBody1 = new FileBody(new File(filepath1));
FileBody fileBody2 = new FileBody(new File(filepath2));
MultipartEntity entity = new MultipartEntity();
entity.addPart("liveness_data_file", fileBody1);
entity.addPart("selfie_file", fileBody2);
entity.addPart("api_id", id);
entity.addPart("api_secret", secret);
post.setEntity(entity);
HttpResponse response = httpclient.execute(post);
if (response.getStatusLine().getStatusCode() == 200) {
HttpEntity entitys = response.getEntity();
BufferedReader reader = new BufferedReader(
new InputStreamReader(entitys.getContent()));
String line = reader.readLine();
System.out.println(line);
}else{
HttpEntity r_entity = response.getEntity();
String responseString = EntityUtils.toString(r_entity);
System.out.println("错误码是:"+response.getStatusLine().getStatusCode()+" "+response.getStatusLine().getReasonPhrase());
System.out.println("出错原因是:"+responseString);
//你需要根据出错的原因判断错误信息,并修改
}
httpclient.getConnectionManager().shutdown();
}
public static void main(String[] args) throws ClientProtocolException, IOException {
HttpClientPost();
}
}
Ruby 样例
require 'net/http/post/multipart'
require 'json'
begin
uri = URI.parse('https://cloudapi.linkface.cn/identity/liveness_selfie_verification')
req = Net::HTTP::Post::Multipart.new uri.path,
"liveness_data_file" => UploadIO.new(File.new("liveness.protobuf"), "application/octet-stream", "livenss.protobuf"),
"selfie_file" => UploadIO.new(File.new("./px_test"), "image/jpeg", "px_test"),
"api_id" => "ID",
"api_secret" => "SECRET"
res = Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
http.request(req)
end
result = JSON.parse(res.body)
puts result
rescue Exception => e
puts e.message
end
Python 样例
我们提供的样例支持 Python 2.7 & 3.4–3.7 和 PyPy,其他版本暂不提供,需要您查阅相关资料。
import requests
try:
host = 'https://cloudapi.linkface.cn'
url = host + '/identity/liveness_selfie_verification'
files = {'selfie_file': open('/selfie/image/file/path', 'rb'), 'liveness_data_file': open('/liveness/data/file/path', 'rb')}
data = {'api_id': 'ID','api_secret': 'SECRET'}
response = requests.post(url, files = files, data = data)
result = response.json()
print result
except Exception as e:
print("type error: " + str(e))
PHP 样例
我们提供的样例是基于 PHP 5.5 与 PHP 5.6 两个版本,其他版本暂不提供,需要您查阅相关资料。
以下样例是基于 PHP 5.5 版本的。
<?php
$testurl = 'https://cloudapi.linkface.cn/identity/liveness_selfie_verification'; // url
$livenessPath = 'C:/Users/face1.jpg';//活体数据路径
$watermarkPath = 'C:/Users/face2.jpg';//自拍照路径
$livenessContent = '@' . realpath($livenessPath);
$watermarkContent = '@' . realpath($watermarkPath);
$post_data = array ('api_id' => 'ID','api_secret' => 'SECRET',
'liveness_data_file' => $livenessContent,'selfie_file' => $selfieContent );
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $testurl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);//您可以根据需要,决定是否打开SSL验证
curl_setopt($ch, CURLOPT_POST,1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$output = curl_exec($ch);
var_dump($output);
curl_close($ch);
?>
以下样例是基于 PHP 5.6 版本的。
<?php
$testurl = 'https://cloudapi.linkface.cn/identity/liveness_selfie_verification'; // url
$livenessPath = 'C:/Users/face1.jpg';//活体数据路径
$watermarkPath = 'C:/Users/face2.jpg';//自拍照路径
$livenessContent = new \CURLFile($livenessPath);
$watermarkContent = new \CURLFile($watermarkPath);
$post_data = array ('api_id' => 'ID','api_secret' => 'SECRET',
'liveness_data_file' => $livenessContent,'selfie_file' => $selfieContent );
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $testurl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);//您可以根据需要,决定是否打开SSL验证
curl_setopt($ch, CURLOPT_POST,1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$output = curl_exec($ch);
var_dump($output);
curl_close($ch);
?>