/// <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);
}
/// <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);
}
[DllImport("TH_PLATEID.dll")] /// 识别车牌号码
static extern int TH_RecogImage(byte[] pbyBits, int nWidth, int nHeight,
[In, Out] TH_PlateResult[] pResult, ref int nResultNum, ref TH_RECT prcRange, ref TH_PlateIDCfg pPlateConfig);
