public PlateRecognitionResult Recognize(int parkID, int entranceID)
{
string dir = TempFolderManager.GetCurrentFolder();
PlateRecognitionResult ret = new PlateRecognitionResult();
try
{
//EntranceInfo entrance = ParkBuffer.Current.GetEntrance(entranceID);
EntranceInfo entrance = ParkBuffer.Current.GetEntrance(parkID, entranceID);
if (entrance != null)
{
foreach (VideoSourceInfo video in entrance.VideoSources)
{
if (video.IsForCarPlate)
{
FrmSnapShoter frm = FrmSnapShoter.GetInstance();
string path = Path.Combine(dir, string.Format("{0}_{1}_{2}.jpg", "CarPlate", Guid.NewGuid().ToString(), video.VideoID));
if (frm.SnapShotTo(video, ref path, true, false))
{
ret = Recognize(path);
}
}
}
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
return(ret);
}
private void RegThread()
{
try
{
while (true)
{
foreach (VideoPanel vp in ucVideoPanelGrid1.VideoPanelCollection)
{
if (vp.Status == VideoStatus.Playing)
{
string file = System.IO.Path.Combine(TempFolderManager.GetCurrentFolder(), string.Format("{0}.jpg", DateTime.Now.ToString("yyyyMMddHHmmss")));
if (vp.SnapShotTo(ref file))
{
PlateRecognitionResult ret = PlateRecognitionService.CurrentInstance.Recognize(file);
ShowResult(ret, file);
}
System.Threading.Thread.Sleep(1000);
}
}
}
}
catch (System.Threading.ThreadAbortException)
{
}
catch (Exception)
{
}
}
/// <summary>
/// 识别某个通道的车牌号
/// </summary>
/// <param name="parkID"></param>
/// <param name="entranceID"></param>
/// <returns></returns>
public PlateRecognitionResult Recognize(int parkID, int entranceID)
{
PlateRecognitionResult ret = new PlateRecognitionResult();
try
{
CarPlateDevice device = _Devices.FirstOrDefault(item => item.EntranceID == entranceID && item.VideoSource != null && item.VideoSource.IsForCarPlate);
if (device != null)
{
if (device.EventDateTime == null)
{
//如果没有上传时间，重新进行抓拍
SnapShotTo(device, true);
}
ret.CarPlate = device.CarPlate;
ret.Color = device.PlateColor;
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
return(ret);
}
/// <summary>
/// 通过图片文件识别车牌号
/// </summary>
public PlateRecognitionResult Recognize(string path)
{
PlateRecognitionResult result = new PlateRecognitionResult();
if (!string.IsNullOrEmpty(path))
{
try
{
string plnInfo = string.Empty;
if (initSuccess)
{
short ret = rm.RecognizeImageFile(path, string.Empty, ref plnInfo);
if (ret == Success)
{
result = ExtractPlate(plnInfo);
}
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
}
return(result);
}
private void RegThread()
{
try
{
foreach (string file in _Files)
{
PlateRecognitionResult ret = PlateRecognitionService.CurrentInstance.Recognize(file);
ShowResult(ret, file);
}
Action action = delegate()
{
btnStart.Enabled = true;
btnStop.Enabled = false;
};
if (this.InvokeRequired)
{
this.Invoke(action);
}
else
{
action();
}
}
catch (System.Threading.ThreadAbortException)
{
}
catch (Exception)
{
}
}
private PlateRecognitionResult ExtractPlate(string plnInfo)
{
//plnInfo 的格式形如 [pln|score|坐标|color]只取pln
PlateRecognitionResult result = new PlateRecognitionResult();
if (!string.IsNullOrEmpty(plnInfo))
{
try
{
plnInfo = plnInfo.Trim('[', ']');
string[] infoes = plnInfo.Split('|');
if (infoes != null && infoes.Length > 0)
{
result.CarPlate = infoes[0];
int temp = 0;
int.TryParse(infoes[1], out temp);
result.Color = GetColorDescr(temp);
}
}
catch
{
}
}
return(result);
}
/// <summary>
/// 通过图片文件识别车牌号
/// </summary>
public PlateRecognitionResult Recognize(string path)
{
int nWidth = 0;
int nHeight = 0;
PlateRecognitionResult result = new PlateRecognitionResult();
try
{
if (_Inited)
{
TH_PlateResult[] pRes = new TH_PlateResult[3];
int RetNum = 1;
byte[] pBuffer = LockUnlockBitsExample(path, out nHeight, out nWidth);
TH_RECT rect = new TH_RECT();
rect.top = 0;
rect.bottom = nHeight;
rect.left = 0;
rect.right = nWidth;
int nResult = -1;
lock (_Locker)
{
nResult = TH_RecogImage(pBuffer, nWidth, nHeight, pRes, ref RetNum, ref rect, ref c_defConfig);
}
if (nResult == 0)
{
result.CarPlate = PlateLicense(pRes[0].lic0, (short)pRes[0].lic1, (short)pRes[0].lic2, (short)pRes[0].lic3, (short)pRes[0].lic4);//调用车牌号码转换函数
}
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
return(result);
}
private void btnNext_Click(object sender, EventArgs e)
{
if (_Files.Count > 0 && _CurFileIndex < _Files.Count - 1)
{
_CurFileIndex++;
this.picImage.Image = System.Drawing.Image.FromFile(_Files[_CurFileIndex]);
PlateRecognitionResult ret = PlateRecognitionService.CurrentInstance.Recognize(_Files[_CurFileIndex]);
ShowResult(ret, _Files[_CurFileIndex]);
btnNext.Enabled = (_CurFileIndex < _Files.Count - 1);
}
}
private void ShowResult(PlateRecognitionResult ret, string file)
{
Action action = delegate()
{
this.picImage.Image = System.Drawing.Image.FromFile(file);
_Total += 1;
int row = this.resultGrid.Rows.Add();
if (row >= (resultGrid.DisplayedRowCount(false) + resultGrid.FirstDisplayedScrollingRowIndex))
{
resultGrid.FirstDisplayedScrollingRowIndex = resultGrid.Rows.Count - resultGrid.DisplayedRowCount(false);
}
this.resultGrid.Rows[row].Tag = file;
this.resultGrid.Rows[row].Cells["colFileName"].Value = Path.GetFileName(file);
this.resultGrid.Rows[row].Cells["colCarPlate"].Value = ret.CarPlate;
this.resultGrid.Rows[row].Cells["colBackColor"].Value = ret.Color;
if (!string.IsNullOrEmpty(ret.CarPlate))
{
if (!string.IsNullOrEmpty(txtCarplate.Text))
{
if (txtCarplate.Text == ret.CarPlate)
{
_RegCount += 1;
}
else
{
this.resultGrid.Rows[row].DefaultCellStyle.BackColor = Color.Yellow;
}
}
else
{
_RegCount += 1;
}
}
else
{
this.resultGrid.Rows[row].DefaultCellStyle.ForeColor = Color.Red;
}
txtTotal.Text = _Total.ToString();
txtRegCount.Text = _RegCount.ToString();
txtPercent.Text = ((double)_RegCount / _Total).ToString("F2");
};
if (this.InvokeRequired)
{
this.Invoke(action);
}
else
{
action();
}
}
private PlateRecognitionResult CarPalteRecognize(int parkID, int entranceID)
{
PlateRecognitionResult result = new PlateRecognitionResult();
if (PlateRecognitionService.CurrentInstance != null)
{
try
{
result = PlateRecognitionService.CurrentInstance.Recognize(parkID, entranceID);
}
catch (Exception ex)
{
ExceptionPolicy.HandleException(ex);
}
}
return(result);
}
/// <summary>
/// 识别某个通道的车牌号
/// </summary>
/// <param name="parkID"></param>
/// <param name="entranceID"></param>
/// <returns></returns>
public PlateRecognitionResult Recognize(int parkID, int entranceID)
{
PlateRecognitionResult ret = new PlateRecognitionResult();
try
{
CarPlateDevice device = _Devices.SingleOrDefault(item => item.EntranceID == entranceID);
if (device != null && device.EventDateTime != null)
{
ret.CarPlate = device.CarPlate;
ret.Color = device.PlateColor;
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
return(ret);
}
/// <summary>
/// 通过图片文件识别车牌号
/// </summary>
public PlateRecognitionResult Recognize(string path)
{
int nWidth = 0;
int nHeight = 0;
PlateRecognitionResult result = new PlateRecognitionResult();
try
{
if (_Inited)
{
TH_PlateResult[] pRes = new TH_PlateResult[3];
int RetNum = 1;
byte[] pBuffer = LockUnlockBitsExample(path, out nHeight, out nWidth);
TH_RECT rect = new TH_RECT();
rect.top = 0;
rect.bottom = nHeight;
rect.left = 0;
rect.right = nWidth;
int nResult = -1;
lock (_Locker)
{
nResult = TH_RecogImage(pBuffer, nWidth, nHeight, pRes, ref RetNum, ref rect, ref c_defConfig);
}
if (nResult == 0)
{
//以下是就版本的结构体转换车牌，使用该结构体转换得到的车牌，如果车牌后包括“港”、“警”等汉字的，转换后会变成“？”
//result.CarPlate = PlateLicense(pRes[0].lic0, pRes[0].lic1, pRes[0].lic2, pRes[0].lic3);//调用车牌号码转换函数
//车牌号码转换
Encoding gbkencoding = Encoding.GetEncoding("gbk");
byte[] unicodebuf = Encoding.Convert(gbkencoding, Encoding.Unicode, pRes[0].license);
string carplate = Encoding.Unicode.GetString(unicodebuf, 0, unicodebuf.Length);
result.CarPlate = carplate.Trim('\0');//去掉结尾的\0符
}
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
return(result);
}
private void CarplateRecHandler(CarplateRecReport report)
{
try
{
string carPlate = string.Empty;
for (int i = 0; i < 10; i++)
{
PlateRecognitionResult ret = CarPalteRecognize(this.Park.RootParkID, this.EntranceID);
if (ret != null && !string.IsNullOrEmpty(ret.CarPlate) && ret.CarPlate != carPlate)
{
carPlate = ret.CarPlate;
FileLog.Log(this.EntranceName, "识别到车牌号 " + ret.CarPlate);
//先寻找完全匹配的车牌号，如果启用了允许车牌号有误差，再用较慢的方法寻找相匹配的车牌号
//这样的话只有车牌号不能完全匹配时才影响会多做一步费时的操作。
List <CardInfo> cards = GetCardHasCarplate(ret.CarPlate, 0);
if ((cards == null || cards.Count == 0) && UserSetting.Current.MaxCarPlateErrorChar > 0)
{
cards = GetCardHasCarplate(ret.CarPlate, UserSetting.Current.MaxCarPlateErrorChar);
}
if (cards != null && cards.Count == 1)
{
CardReadReport re = new CardReadReport();
re.CardID = cards[0].CardID;
re.ParkingData = null;
re.ParkID = this.Park.ParkID;
re.EntranceID = this.EntranceID;
re.EventDateTime = DateTime.Now;
re.CannotIgnored = true;
re.Reader = Ralid.Park.BusinessModel.Enum.EntranceReader.DeskTopReader;
re.LastCarPlate = string.Empty;
this.Carplate = ret.CarPlate;
this.AddToReportPool(re);
break; //退出循环
}
else if (cards == null || cards.Count == 0)
{
AlarmReport alarm = new AlarmReport(
this.Park.ParkID, this.EntranceID, DateTime.Now,
this.EntranceName, AlarmType.CarPlateFail,
"未找到匹配的车牌，识别到的车牌号为:" + ret.CarPlate, string.Empty);
if (this.AlarmReporting != null)
{
this.AlarmReporting(this, alarm);
}
}
else if (cards.Count > 1)
{
if (AppSettings.CurrentSetting.Debug)
{
FileLog.Log(this.EntranceName, "多个人员匹配到车牌:" + ret.CarPlate + " 需要手动输入车牌号放行");
}
AlarmReport alarm = new AlarmReport(
this.Park.ParkID, this.EntranceID, DateTime.Now,
this.EntranceName, AlarmType.CarPlateFail,
"多个人员匹配到车牌:" + ret.CarPlate + " 需要手动输入车牌号放行", string.Empty);
if (this.AlarmReporting != null)
{
this.AlarmReporting(this, alarm);
}
}
}
Thread.Sleep(200);
} //end for
}
catch (ThreadAbortException ex)
{
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
}
