void match_img(string a)
{
byte[] bytes = File.ReadAllBytes(a);
//二进制转字符串
string base64String = Convert.ToBase64String(bytes);
string json = Newtonsoft.Json.JsonConvert.SerializeObject(base64String);
TestJson(FaceSearch.search(json));
//Console.WriteLine("Finesh");
}
/// <summary>
/// 人脸识别按钮
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnIdentify_Click(object sender, EventArgs e)
{
if (videoSource == null)
{
return;
}
Bitmap bitmap = vspIdentify.GetCurrentVideoFrame();
string[] result = FaceSearch.search(bitmap);
bitmap.Dispose();
txtGroup.Text = result[0];
txtUid.Text = result[1];
txtMatchingScore.Text = result[2];
}
/// <summary>
/// 在收到相机通知可以读取图像时进行图像处理
/// </summary>
private void handleImageDetecting()
{
Bitmap bitmap = vspIdentify.GetCurrentVideoFrame();//识别
if (bitmap == null)
{
return;
}
// 控制一次只能处理一张图片
isDetecting = true;
// 图像识别耗时且走网络，应该考虑放到子线程执行
new Thread(new ParameterizedThreadStart(t =>
{
string[] result = FaceSearch.search(bitmap);
bitmap.Dispose();
double score = Convert.ToDouble(result[2]);
if (score > 80)
{
// 从timer线程切换到主线程刷新UI
this.BeginInvoke(new MethodInvoker(delegate
{
this.Close();
if (FaceDetectCallback != null)
{
FaceDetectCallback(this, result[1]);
DataAccess.Components identity = new DataAccess.Components();
DataSet ds = new DataSet();
string pwd = "";
int num, num1, num2;
ds = identity.stuIdentity(Convert.ToInt32(result[1]));
num = ds.Tables["studentlist"].Rows.Count;
ds = identity.teaIdentity(Convert.ToInt32(result[1]));
num1 = ds.Tables["teacherlist"].Rows.Count;
ds = identity.admIdentity(Convert.ToInt32(result[1]));
num2 = ds.Tables["adminilist"].Rows.Count;
if (num > 0)
{
Liuyingjie.Student_Frm stu = new Liuyingjie.Student_Frm();
stu.Show();
}
else if (num1 > 0)
{
Liaobingquan.FormTeacher tea = new Liaobingquan.FormTeacher();
tea.Show();
}
else if (num2 > 0)
{
Lijianhua.Admin adm = new Lijianhua.Admin(result[1], pwd);
adm.Show();
}
}
}));
}
else
{
isDetecting = false;
}
})).Start("tryToDetectFace");
}