我要评论本文实例为大家分享了人脸认证源码faceidentify的具体代码，供大家参考，具体内容如下
人脸认证：
using aforge.video.directshow;
using face;
using newtonsoft.json;
using newtonsoft.json.linq;
using system;
using system.collections.generic;
using system.componentmodel;
using system.data;
using system.data.sqlclient;
using system.drawing;
using system.drawing.imaging;
using system.io;
using system.linq;
using system.text;
using system.threading.tasks;
using system.windows.forms;
namespace camtest
{
public partial class faceidentify : form
{
public faceidentify()
{
initializecomponent();
//启动默认在屏幕中间
this.startposition = system.windows.forms.formstartposition.centerscreen;
}
//api_key
public static string api_key = "ovyw5ok0y9u8n6cfvpyt0wfz";
//secret_key
public static string secret_key = "acn3lupcarq3rc9g8rylqz1d36towp8g";
filterinfocollection videodevices;
videocapturedevice videosource;
public int selecteddeviceindex = 0;
public int selectedpicindex = 0;
//窗体加载
private void faceidentify_load(object sender, eventargs e)
{
//显示为正在检测
this.label1.text = this.label2.text = this.label6.text = this.label9.text = "正在识别";
// 刷新可用相机的列表
videodevices = new filterinfocollection(filtercategory.videoinputdevice);
comboboxcameras.items.clear();
for (int i = 0; i < videodevices.count; i++)
{
comboboxcameras.items.add(videodevices[i].name.tostring());
}
if (comboboxcameras.items.count > 0)
comboboxcameras.selectedindex = 0;
picsize.selectedindex = 0;
//打开摄像头
opencamera();
}
//打开摄像头
public void opencamera()
{
selectedpicindex = picsize.selectedindex;
selecteddeviceindex = comboboxcameras.selectedindex;
//连接摄像头。
videosource = new videocapturedevice(videodevices[selecteddeviceindex].monikerstring);
videosource.videoresolution = videosource.videocapabilities[selecteddeviceindex];
// 枚举所有摄像头支持的像素，设置拍照为1920*1080
foreach (videocapabilities capab in videosource.videocapabilities)
{
if (selectedpicindex == 0)
{
if (capab.framesize.width == 1920 && capab.framesize.height == 1080)
{
videosource.videoresolution = capab;
break;
}
if (capab.framesize.width == 1280 && capab.framesize.height == 720)
{
videosource.videoresolution = capab;
break;
}
}
else
{
if (capab.framesize.width == 1280 && capab.framesize.height == 720)
{
videosource.videoresolution = capab;
break;
}
}
}
videosourceplayer1.videosource = videosource;
// set newframe event handler
videosourceplayer1.start();
}
/// <summary>
/// 签到的按钮
/// 先保存图片，然后进行比较，获取的id，查询
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void qiandao_click(object sender, eventargs e)
{
users users = faceidentifys(savepicture());
this.label1.text = users.age.tostring();
this.label2.text = users.name;
this.label6.text = users.phone;
this.label9.text = users.address;
if (users.picture != null)
{
this.picturebox1.image = image.fromfile(users.picture, false);
}
}
//关闭窗口
private void faceidentify_formclosing(object sender, formclosingeventargs e)
{
dialogresult r = messagebox.show("确定要退出程序?", "操作提示", messageboxbuttons.okcancel, messageboxicon.question);
if (r != dialogresult.ok)
{
e.cancel = true;
}
videosourceplayer1.stop();//停止摄像头
videosourceplayer1.dispose();
}
/// <summary>
/// 人脸识别
/// </summary>
/// <param name="filename"></param>
public static users faceidentifys(string filename)
{
long id = 0;
string ids = "";
double scores_num = 0;
users user = new users();
var client = new baidu.aip.face.face(api_key, secret_key);
var image1 = file.readallbytes(filename);
var result = client.user.identify(image1, new[] { "gr_test" }, 1, 1);
//先判断脸是不是在上面，在继续看有匹配的没，否则提示放上脸
//得到根节点
jobject jo_result = (jobject)jsonconvert.deserializeobject(result.tostring());
if ((string)jo_result["error_msg"] != null)
{
messagebox.show("对不起，请把脸放上！", "提示", messageboxbuttons.ok, messageboxicon.stop);
}
else
{
//检测到脸
//得到result节点
jarray jo_age = (jarray)jsonconvert.deserializeobject(jo_result["result"].tostring());
foreach (var val in jo_age)
{
id = long.parse(((jobject)val)["uid"].tostring()); //获取uid
string scores = ((jobject)val)["scores"].tostring();//获取scores
int num1 = scores.indexof("\n") + 2;
int num2 = scores.lastindexof("]")-8;
ids = scores.substring(num1, num2);
scores_num =double.parse(ids);
}
if (scores_num > 80)
{
user = queryusersbyid(id);
if (user.id != 0)
{
messagebox.show("签到成功，已检测到您的信息", "操作提示", messageboxbuttons.ok, messageboxicon.information);
}
else
{
messagebox.show("对不起，系统根据您的脸未检测到信息", "操作提示", messageboxbuttons.ok, messageboxicon.stop);
}
}
else {
messagebox.show("对不起，系统根据您的脸未检测到信息", "操作提示", messageboxbuttons.ok, messageboxicon.stop);
}
}
return user;
}
/// <summary>
/// 保存图片
/// </summary>
public string savepicture()
{
if (videosource == null)
{
return null;
}
bitmap bitmap = videosourceplayer1.getcurrentvideoframe();
//图片名称，年月日时分秒毫秒.jpg
string filename = datetime.now.tostring("yyyymmddhhmmssff") + ".jpg";
//获取项目的根目录
string path = appdomain.currentdomain.basedirectory;
string picture = path + "\\picture\\" + filename;
//将图片保存在服务器里面
bitmap.save(picture, imageformat.jpeg);
bitmap.dispose();
return picture;
}
/// <summary>
/// 根据编号查询用户信息
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static users queryusersbyid(long id)
{
users user = new users();
string sql = "select * from users where id = @id";
using (sqldatareader reader = sqlhelper.excutereader(sql, commandtype.text, new sqlparameter("@id", id)))
{
if (reader.read())
{
user.id = long.parse(reader[0].tostring());
user.name = reader[1].tostring();
user.age = convert.toint32(reader[2]);
user.phone = reader[3].tostring();
user.password = reader[4].tostring();
user.address = reader[5].tostring();
user.picture = reader[6].tostring();
}
}
return user;
}
//取消的按钮
private void close_click(object sender, eventargs e)
{
//停止摄像头
videosourceplayer1.stop();
this.close();
welcome we = new welcome();
we.show();
}
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持移动技术网。
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