public FaceData(FaceData f)
{
faceid = f.faceid;
userid = f.userid;
featureLenth = f.featureLenth;
feature = f.feature;
angleType = f.angleType;
text = f.text;
}
public FaceInfo(FaceData fd)
{
this.faceid = fd.faceid;
this.userid = fd.userid;
this.feature = fd.feature;
this.featureLenth = fd.featureLenth;
this.angleType = fd.angleType;
this.text = fd.text;
}
/// <summary>
/// 更新已登记的人脸图片。
/// </summary>
/// <param name="f"></param>
/// <param name="fd"></param>
public void UpdateFacePicture(FaceInfo f, FaceData fd)
{
if (DataSource == DataSrcType.FileSystem)
{
//存储抓拍到的新图片，替换原始图片
string savepath;
int uid = f.userid;
switch (f.angleType)
{
case FaceData.FaceAngleType.Middle:
savepath = Path.GetDirectoryName(fd.text) + "\\"
+ _FaceDic.GetUserName(uid) + "0.jpg";
break;
case FaceData.FaceAngleType.Up:
savepath = Path.GetDirectoryName(fd.text) + "\\"
+ _FaceDic.GetUserName(uid) + "1.jpg";
break;
case FaceData.FaceAngleType.Down:
savepath = Path.GetDirectoryName(fd.text) + "\\"
+ _FaceDic.GetUserName(uid) + "2.jpg";
break;
case FaceData.FaceAngleType.Left:
savepath = Path.GetDirectoryName(fd.text) + "\\"
+ _FaceDic.GetUserName(uid) + "3.jpg";
break;
case FaceData.FaceAngleType.Right:
savepath = Path.GetDirectoryName(fd.text) + "\\"
+ _FaceDic.GetUserName(uid) + "4.jpg";
break;
default:
savepath = fd.text;
break;
}
Console.WriteLine("Save shot face: " + savepath);
f.text = savepath;
if (f.FaceShotBmp != null)
{
f.FaceShotBmp.Save(savepath);
}
}
else
{
//数据库更新
//TODO
}
}
private void onFaceShotAndFindSame(FaceInfo f, FaceEvent.EventType t)
{
try
{
if (f == null)
{
return;
}
if (f.userid != 0)
{
return;
}
int score = 0, uid = 0;
FaceData fd = null;
_LastFaceID = f.faceid;
//数据库检索
uid = FaceDic.FindSameFace(f, out score, out fd);
if (uid != 0)
{
//更新抓拍全景照片
updateFullViewBmp(f);
//更新抓拍特写照片
updateShotFace(f);
//显示检索到的照片
updateFoundPic(f, fd);
//在TracingList中标记相同人脸
f.text = score.ToString();
f.userid = uid;
FaceEvent e = new FaceEvent
{
type = t,
faceinfo = f,
//userid = uid,
//score = score
};
if (FaceHandler != null)
{
FaceHandler(e);
}
}
}
catch (Exception ex)
{
Console.WriteLine("FaceCamera->shotFaceAndFind:" + ex);
}
}
public Bitmap GetFaceOrgPic(FaceData fd)
{
if (DataSource == DataSrcType.FileSystem)
{
return(new Bitmap(Image.FromFile(fd.text)));
}
else if (DataSource == DataSrcType.DataBase)
{
return(GetFaceImage(fd.userid));//TODO
}
else
{
return(null);
}
}
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);
}
}
public void UpdateFaceOrgPic(FaceData fd)
{
}
public int LoadFaceData(ProgressBar proBar)
{
try
{
if (!_isDBInitialized)
{
return(ERROR_NOT_INIT);
}
int count = 0;
int total = GetFaceCount();
if (total == 0)
{
Console.WriteLine("LoadFace no record, exit.");
return(0);
}
if (proBar != null)
{
if (proBar.InvokeRequired)
{
Action a = () =>
{
proBar.Maximum = total;
proBar.Value = 0;
};
proBar.Invoke(a);
}
else
{
proBar.Maximum = total;
proBar.Value = 0;
}
}
//装载用户信息
LoadUserInfo();
//获取所有人脸信息
MySqlDataReader reader = MySqlHelper.ExecuteReader(conn,
"SELECT id,userid,featurelength,feature,angletype FROM " + FACE_TABLE_NAME);
while (reader.Read())
{
int fid = reader.GetInt32(reader.GetOrdinal("id"));
int userid = reader.GetInt32(reader.GetOrdinal("userid"));
int featurelength = reader.GetInt32(reader.GetOrdinal("featurelength"));
byte[] feature = new byte[featurelength];
reader.GetBytes(reader.GetOrdinal("feature"), 0, feature, 0, featurelength);
FaceData.FaceAngleType angletype = (FaceData.FaceAngleType)reader.GetInt32(reader.GetOrdinal("angletype"));
FaceData fd = new FaceData();
fd.faceid = fid;
fd.userid = userid;
fd.featureLenth = (short)featurelength;
fd.feature = feature;
fd.angleType = angletype;
_FaceDic.AddFace(userid, fd);
count++;
if (proBar != null)
{
if (proBar.InvokeRequired)
{
Action d = () =>
{
proBar.Value++;
};
proBar.Invoke(d);
}
else
{
proBar.Value++;
}
}
}
reader.Close();
Console.WriteLine("LoadFace ok. read count={0}", count);
return(count);
}
catch (Exception ex)
{
Console.WriteLine("DataAccess LoadFace Error. " + ex.Message);
return(ERROR_DB_FAILED);
}
}
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);
}
}