/// <summary>
/// 查找最相似的人脸。
/// </summary>
/// <param name="fi"></param>
/// <param name="score"></param>
/// <param name="outfd"></param>
/// <returns></returns>
public int FindMostSimilarFace(FaceInfo fi, out int score, out FaceData outfd)
{
int maxs = 0, s, uid = 0;
FaceData ofd = null;
foreach (var fl in this)
{
foreach (FaceData fd in fl.Value)
{
s = _Face.FaceFeatureMatch(fi, fd);
if (s > maxs)
{
maxs = s;
uid = fl.Key;
ofd = fd;
}
}
}
score = maxs;
outfd = ofd;
return(uid);
}
private void onFaceCollect(FaceInfo f)
{
try
{
if (f.angleType == RequestAngleType)
{
FaceEvent e = new FaceEvent
{
type = FaceEvent.EventType.FaceCollected,
faceinfo = f,
};
if (FaceHandler != null)
{
FaceHandler(e);
}
}
}
catch (Exception ex)
{
Console.WriteLine("FaceCamera->faceCollect:" + ex);
}
}
private void updateFoundPic(FaceInfo f, FaceData fd)
{
if (f == null || fd == null)
{
return;
}
if (PicBoxFoundPic != null)
{
Action d = () =>
{
PicBoxFoundPic.Image = Data.GetFaceOrgPic(fd);
};
PicBoxFoundPic.BeginInvoke(d);
}
//自动更新人脸字典数据结构
if (FaceAutoUpdateOn && f.userid != 0)
{
Data.UpdateFacePicture(f, fd);
FaceDic.AddFace(f.userid, f);
Console.WriteLine("FaceCamera->AutoFaceDictionaryUpdate: uid=" + f.userid + "FaceAngleType=" + f.angleType);
}
}
/// <summary>
/// 查找相同的人脸
/// </summary>
/// <param name="fi"></param>
/// <param name="score"></param>
/// <param name="outfd"></param>
/// <returns></returns>
public int FindSameFace(FaceInfo fi, out int score, out FaceData outfd)
{
if (fi == null)
{
score = 0;
outfd = null;
return(0);
}
int maxs = 0, s, uid = 0;
FaceData ofd = null;
foreach (var fl in this)
{
foreach (FaceData fd in fl.Value)
{
s = _Face.FaceFeatureMatch(fi, fd);
if (s > maxs)
{
maxs = s;
uid = fl.Key;
ofd = fd;
}
}
}
if (maxs >= _Face.SameFaceThreshold)
{
score = maxs;
outfd = ofd;
}
else
{
score = 0;
outfd = null;
uid = 0;
}
return(uid);
}
public int AddUserFace(FaceInfo fi, UserInfo ui)
{
if (fi == null)
{
return(0);
}
int uid = 0;
int fid = 0;
switch (DataSource)
{
default:
case DataSrcType.FileSystem:
uid = _FaceDic.GetNextUserId(ui.username);
break;
case DataSrcType.DataBase:
uid = ui.uid = _FaceDic.GetNextUserId(ui.username);
if (!ui.Save())
{
return(0);
}
fid = InsertFaceInfoOverride(fi, uid);
if (fid <= 0)
{
return(fid);
}
fi.faceid = fid;
break;
}
fi.userid = uid;
_FaceDic.AddFace(uid, fi, ui.username);//添加到字典中
return(uid);
}
/***************************事件处理方法实现*****************************/
private void onShotFaceHander(FaceInfo f)
{
switch (_FaceCmd)
{
case FaceCommand.ShotOneAndFind:
onFaceShotAndFind(f, FaceEvent.EventType.ShotOne);
break;
case FaceCommand.ShotAllAndFind:
onFaceShotAndFind(f, FaceEvent.EventType.ShotAll);
break;
case FaceCommand.NodShakeDetect:
onNodShakeDetect(f);
break;
case FaceCommand.FaceCollect:
onFaceCollect(f);
break;
default:
break;
}
}
public void setInfo(FaceInfo f)
{
info = f.info;
}
public void setPos(FaceInfo f)
{
info.faceInfo = f.info.faceInfo;
}
/// <summary>
/// 保存人脸图片到本地，并添加到人脸字典中。
/// </summary>
/// <param name="name"></param>
/// <param name="fi"></param>
/// <param name="bmpsavepath"></param>
/// <returns></returns>
public int SaveUserFace(string name, int gender, int age, string telephone,
FaceInfo fi, string bmpsavepath)
{
try
{
if (string.IsNullOrEmpty(name))
{
return(0);
}
if (fi == null)
{
return(0);
}
if (string.IsNullOrEmpty(bmpsavepath))
{
bmpsavepath = DEFAULT_SAVE_PATH;
}
if (!Directory.Exists(bmpsavepath))
{
Directory.CreateDirectory(bmpsavepath);
}
if (DataSource == DataSrcType.FileSystem)
{
switch (fi.angleType)
{
case FaceData.FaceAngleType.Middle:
fi.text = bmpsavepath + "\\" + name + "0.jpg";
break;
case FaceData.FaceAngleType.Up:
fi.text = bmpsavepath + "\\" + name + "1.jpg";
break;
case FaceData.FaceAngleType.Down:
fi.text = bmpsavepath + "\\" + name + "2.jpg";
break;
case FaceData.FaceAngleType.Left:
fi.text = bmpsavepath + "\\" + name + "3.jpg";
break;
case FaceData.FaceAngleType.Right:
fi.text = bmpsavepath + "\\" + name + "4.jpg";
break;
default:
break;
}
//保存图片
fi.FaceShotBmp.Save(fi.text);
}
int uid = AddUserFace(fi, name, gender, age, telephone);
return(uid);
}
catch (Exception e)
{
Console.WriteLine("SaveFaceAndAddToDic Error: " + e.ToString());
return(0);
}
}
/// <summary>
/// 用图片添加人脸数据库。同步函数。
/// </summary>
/// <param name="path"></param>
/// <param name="alldirs"></param>
/// <param name="proBar"></param>
/// <returns>处理的图片数。</returns>
public int LoadFaceData(string path, bool alldirs, ProgressBar proBar)
{
//if (DataSource != DataSrcType.FileSystem) return 0;
if (!Directory.Exists(path))
{
return(0);
}
string[] fs1, fs2, fs3;
if (alldirs)
{
fs1 = Directory.GetFiles(path, "*.BMP", SearchOption.AllDirectories);
fs2 = Directory.GetFiles(path, "*.JPG", SearchOption.AllDirectories);
fs3 = Directory.GetFiles(path, "*.PNG", SearchOption.AllDirectories);
}
else
{
fs1 = Directory.GetFiles(path, "*.BMP", SearchOption.TopDirectoryOnly);
fs2 = Directory.GetFiles(path, "*.JPG", SearchOption.TopDirectoryOnly);
fs3 = Directory.GetFiles(path, "*.PNG", SearchOption.TopDirectoryOnly);
}
var files = fs1.Concat(fs2).Concat(fs3);
if (proBar != null)
{
if (proBar.InvokeRequired)
{
Action a = () =>
{
proBar.Maximum = files.Count();
proBar.Value = 0;
};
proBar.Invoke(a);
}
else
{
proBar.Maximum = files.Count();
proBar.Value = 0;
}
}
foreach (string fstr in files)
{
Console.WriteLine(fstr);
string fname = Path.GetFileNameWithoutExtension(fstr); //System.IO.Path.GetFileName(fstr);
if (fname[0] != '.' && !string.IsNullOrEmpty(fname)) //去除.开头的错误文件
{
string n = fname;
char lc = fname[fname.Length - 1];
while (lc == ' ' || lc == '-' || lc == '_' || char.IsDigit(lc))
{
fname = fname.Remove(fname.Length - 1);
if (fname.Length == 0)
{
fname = n;
break;
}
lc = fname[fname.Length - 1];
}
FaceInfo fi = _Face.FaceRecgOne(fstr);
int ret = AddUserFace(fi, fname);
if (ret < 0)
{
return(ret);
}
}
if (proBar != null)
{
if (proBar.InvokeRequired)
{
Action d = () =>
{
proBar.Value++;
};
proBar.Invoke(d);
}
else
{
proBar.Value++;
}
}
}
//DataSource = DataSrcType.PicFiles;
return(files.Count());
}
public int InsertFaceInfoOverride(FaceInfo fi, int userid)
{
return(UpdateFaceInfo(fi, userid));
}
public int FindTopNSimilarFace(FaceInfo fi, int N, out int[] scores, out FaceInfo[] outfis)
{
if (N > this.FaceCount)
{
N = this.FaceCount;
}
if (fi == null || N == 0)
{
scores = null;
outfis = null;
return(-1);
}
int s, i;
scores = new int[N];
FaceData fd0;
FaceData[] outfds = new FaceData[N];
foreach (var fl in this)
{
foreach (FaceData fd in fl.Value)
{
s = _Face.FaceFeatureMatch(fi, fd);
if (s > scores[N - 1])
{
scores[N - 1] = s;
outfds[N - 1] = fd;
}
else
{
continue;
}
for (i = N - 1; i > 0; i--)
{
if (scores[i] > scores[i - 1])
{
//交换分数
s = scores[i];
scores[i] = scores[i - 1];
scores[i - 1] = s;
//交换人脸数据
fd0 = outfds[i];
outfds[i] = outfds[i - 1];
outfds[i - 1] = fd0;
}
else
{
break;
}
}
}
}
outfis = new FaceInfo[N];
for (i = 0; i < N; i++)
{
outfis[i] = new FaceInfo(outfds[i]);
outfis[i].FaceShotBmp = this.GetUserImageById(outfds[i].userid);
}
return(N);
}
private void onFaceShotAndFind(FaceInfo f, FaceEvent.EventType t)
{
try
{
bool isSame = false;
if (f != null && f.userid == 0)
{
_LastFaceID = f.faceid;
//更新抓拍全景照片
updateFullViewBmp(f);
//更新抓拍特写照片
updateShotFace(f);
//数据库检索并显示检索到的照片
int score = 0, uid = 0;
FaceData fd = null;
uid = FaceDic.FindMostSimilarFace(f, out score, out fd);
//在TracingList中标记相同人脸
if (score >= Face.SameFaceThreshold)
{
f.userid = uid;
isSame = true;
//合并uid相同的人脸
FaceInfo mergeto;
if (Face.MergeTracingList(f, out mergeto))
{
//被合并后，需要删除
onRemoveFaceHander(f);
return;
}
else
{
isSame = true;
}
}
else
{
f.userid = 0;
}
f.text = score.ToString();
updateFoundPic(f, fd);
}
FaceEvent e = new FaceEvent
{
type = t,
faceinfo = f,
isFoundSame = isSame
//userid = uid,
//score = score
};
if (SpeechEnable && isSame)
{
//进行语音播报
string text = FaceDic.GetUserName(f.userid);
if (text.Trim().Length != 0)
{
text += "，你好。";
_Speech.SpeakAsync(text);
}
}
//回调上层
if (FaceHandler != null)
{
FaceHandler(e);
}
}
catch (Exception ex)
{
Console.WriteLine("FaceCamera->shotFaceAndFind:" + ex);
}
}
private Rectangle drawFaceWires()
{
//DateTime t1 = DateTime.Now;
Rectangle rect = new Rectangle(Frame.Bitmap.Width / 2 - 50, Frame.Bitmap.Height / 2 - 50, 100, 100);
//foreach (FaceInfo f in Face.TracingFaceList)
for (int i = 0; i < Face.TracingFaceList.Count; i++)
{
FaceInfo f = Face.TracingFaceList[i];
if ((DateTime.Now - f.procTime).TotalMilliseconds > FaceRecgnize.MAX_FRAME_INTERVAL * 2)
{
continue;
}
//rect = f.getPos();
if (_LastFacePos.ContainsKey(f.faceid))
{
rect = _LastFacePos[f.faceid]; //获取上次位置
int dx = f.posLeft + f.posRight - rect.Left - rect.Right; //框中心位置x的偏移量
int dy = f.posTop + f.posBottom - rect.Top - rect.Bottom; //y
double d_ratio = Math.Sqrt(dx * dx + dy * dy) / 4 / rect.Width * 0.9; //本次画框坐标调整比率
int dw = f.FaceWidth() - rect.Width; //宽度偏移量
double w_ratio = (double)Math.Abs(dw) / rect.Width * 0.95; //宽度调整比率
rect.Height = rect.Width = rect.Width + (int)(dw * w_ratio); //新框宽高
if (rect.Width > 2 * f.FaceWidth() || rect.Width < f.FaceWidth() / 2) //安全矫正
{
rect.Height = rect.Width = f.FaceWidth();
}
rect.X = (int)((rect.Left + rect.Right + dx * d_ratio - rect.Width) / 2); //新框左上角x
rect.Y = (int)((rect.Top + rect.Bottom + dy * d_ratio - rect.Width) / 2); //新框左上角y
if (rect.X < 0 || rect.Y < 0 || rect.X > PictureWidth || rect.Y > PictureHight) //安全矫正
{
rect = f.getPos();
}
_LastFacePos[f.faceid] = rect;//记录本次位置
}
else
{
rect = _LastFacePos[f.faceid] = f.getPos();
}
//设置颜色
if (f.userid != 0)
{
Face.DrawPenColor = Color.Red;
}
else
{
Face.DrawPenColor = Color.Green;
}
//画框
Face.DrawFaceWire(Frame.Bitmap, rect);
//人脸框上写字
if (_FaceCmd == FaceCommand.ShotOneAndFind ||
_FaceCmd == FaceCommand.ShotAllAndFind)
{
string strinfo = (f.userid == 0 ? "???" : FaceDic.GetUserName(f.userid))
+ " " + (f.gender == FaceInfo.Gender.Mail ? "男" : "女")
+ " " + f.age + "岁";
Point strPos = new Point(rect.Left + rect.Width / 2, rect.Bottom + 3);
StringFormat strformat = new StringFormat();
strformat.Alignment = StringAlignment.Center;
Font font = new Font("微软雅黑", Math.Min(f.FaceWidth() / 20 + 7, 20));
SolidBrush sbrush = new SolidBrush(Face.DrawPenColor);
Graphics g = Graphics.FromImage(Frame.Bitmap);
g.DrawString(strinfo, font, sbrush, strPos, strformat);
g.Dispose();
}
}
//Console.WriteLine("drawFaceWires: runtime=" + (DateTime.Now - t1).TotalMilliseconds);
return(rect);
}
