public LPREngine(APPLICATION_DATA appData)
{
try
{
m_AppData = appData;
m_AppData.AddOnClosing(Stop, APPLICATION_DATA.CLOSE_ORDER.MIDDLE);
m_Log = (ErrorLog)m_AppData.Logger;
m_FrameGen = (FrameGenerator)m_AppData.FrameGenerator;
m_LPRProcessQ = new ThreadSafeQueue<FRAME>(m_LPRProcessQueSize, "QueueOverruns_LPR_LPRProcessQ", m_AppData); // this queue hold frames that come from the framegenerator and need to be processed by LPR
m_AppData.LPRGettingBehind = false;
m_LPRFinalPlateGroupOutputQ = new ThreadSafeQueue<FRAME>(60, "QueueOverruns_LPR_LPRFinalPlateGroupOutputQ", m_AppData); // filtered plate readings, grouped into similar readings, redundant readings removed
m_LPRPerFrameReadingQ = new ThreadSafeQueue<FRAME>(60, "QueueOverruns_LPR_LPRPerFrameReadingQ", m_AppData); // instantaneous output from LPR for each fram processed
m_StoredFrameData = new ThreadSafeHashableQueue(30 * 60);// 60 seconds of frames at 30fps
m_LPRFuntions = new LPROCR_Lib();
unsafe
{ // the plate group processor accumulates per-frame plate readings and consolidates them into a single plate reading where appropriate
m_LPRFuntions.RegisterPlateGroupCB(OnNewPlateGroupReady);
}
int maxW = 0, minW = 0, maxH = 0, minH = 0;
m_LPRFuntions.GetMinMaxPlateSize(ref minW, ref maxW,ref minH, ref maxH);
m_AppData.MAX_PLATE_HEIGHT = maxH;
m_AppData.MIN_PLATE_HEIGHT = minH;
m_AppData.MAX_PLATE_WIDTH = maxW;
m_AppData.MIN_PLATE_WIDTH = minW;
m_processOptions = new LPROCR_Lib.LPR_PROCESS_OPTIONS();
m_processOptions.roll = 1;
m_processOptions.rotation = 1;
// register with the frame grabber to get new bitmaps from the channel sources as they come in
m_ConsumerID = m_FrameGen.GetNewConsumerID();
// m_NumSourceChannels = m_FrameGen.GetNumberOfConfiguredChannels();
m_NumSourceChannels = (m_AppData.RunninAsService) ? m_AppData.MAX_PHYSICAL_CHANNELS : m_AppData.MAX_VIRTUAL_CHANNELS;
m_LPREngineProcessThread = new Thread(LPREngineProcessLoop);
PushLPRResultsThread = new Thread(PushLPRResultsLoop);
}
catch (Exception ex) { m_Log.Trace(ex, ErrorLog.LOG_TYPE.FATAL); }
}
void ProcessImage(Bitmap bmp)
{
try
{
listBoxRejectLog.Items.Clear();
if (bmp == null) return;
// get the luminance array
int[,] lum = GetLuminanceArray(bmp);
int error = 0;
LPROCR_Lib.LPR_PROCESS_OPTIONS processOptions;
processOptions = new LPROCR_Lib.LPR_PROCESS_OPTIONS();
processOptions.EnableAutoRotationRoll = 1;
processOptions.EnableRotationRoll = 1;
int diagEnabled = 0;
if (m_AppData.LPRDiagEnabled) diagEnabled = 1;
// read the image
int plateCount = m_LPREngine.m_LPRFuntions.ReadThisImage(lum, (int)diagEnabled, ref processOptions, ref error);
// extract the plate images and detected strings
PLATE_INFO[] plateInfos = new PLATE_INFO[plateCount];
// get the diag images (not plate, but full images)
if (m_AppData.LPRDiagEnabled)
{
ClearDiagDisplayTable();
byte[,] r = new byte[bmp.Width, bmp.Height];
byte[,] g = new byte[bmp.Width, bmp.Height];
byte[,] b = new byte[bmp.Width, bmp.Height];
error = 0;
m_LPREngine.m_LPRFuntions.diagsGetImage(1, r, g, b, ref error);// get the full resolution image
Bitmap imageBmp = new Bitmap(bmp.Width, bmp.Height);
putPixelsIntoBmp(imageBmp, r, g, b);
pictureBoxDiag1.Image = imageBmp;
int w = 0;
int h = 0;
w = bmp.Width;
h = bmp.Height;
// m_LPREngine.m_LPRFuntions.GetSubImageSize(ref w, ref h);
Bitmap subscalledBmp = new Bitmap(w, h);
r = new byte[w, h];
g = new byte[w, h];
b = new byte[w, h];
//m_LPREngine.m_LPRFuntions.diagsGetImage(0, r, g, b, ref error);// get the subscalled image
int[,] edge = new int[w, h];
// m_LPREngine.m_LPRFuntions.getEdgeMapSub(edge, ref error);
m_LPREngine.m_LPRFuntions.getEdgeMapFullRes(edge, ref error);
ColorizeEdgeMap(edge, r, g, b);
putPixelsIntoBmp(subscalledBmp, r, g, b);
pictureBoxDiag2.Image = subscalledBmp;
// get the intergal image
r = new byte[bmp.Width, bmp.Height];
g = new byte[bmp.Width, bmp.Height];
b = new byte[bmp.Width, bmp.Height];
imageBmp = new Bitmap(bmp.Width, bmp.Height);
m_LPREngine.m_LPRFuntions.GetIntegralImage(r, g, b);
putPixelsIntoBmp(imageBmp, r, g, b);
pictureBoxDiag3.Image = imageBmp;
}
// get the plates
for (int p = 0; p < plateCount; p++)
{
float score = 0;
plateInfos[p] = new PLATE_INFO();
plateInfos[p].sourceImage = bmp;
plateInfos[p].sourceFileName = jpegsToProcess[m_CurrentIndex];
// get the string from the plate
plateInfos[p].plateNumber = m_LPREngine.m_LPRFuntions.GetPlateString(p, ref score);
// exract a bitmap of the plate itself
int pw = 0;
int ph = 0;
m_LPREngine.m_LPRFuntions.GetPlateImageSize(p, ref pw, ref ph, false);
plateInfos[p].plateImage = new Bitmap(pw, ph);
m_LPREngine.m_LPRFuntions.GetPlateImage(p, plateInfos[p].plateImage);
plateInfos[p].numChars = plateInfos[p].plateNumber.Length;
plateInfos[p].charImages = new Bitmap[plateInfos[p].numChars];
for (int c = 0; c < plateInfos[p].numChars; c++)
{
plateInfos[p].charImages[c] = null;
try
{
m_LPREngine.m_LPRFuntions.GetCharImage(p, c, out plateInfos[p].charImages[c], false);
}
catch (Exception ex) { m_Log.Trace(ex, ErrorLog.LOG_TYPE.INFORMATIONAL); }
}
}// end for each plate found
if (plateCount == 0)
{
// perhaps we really screwed up and did not find a plate when one is really there,
// allow the user to manually add the plate numbers
plateInfos = new PLATE_INFO[1];
plateInfos[0] = new PLATE_INFO();
plateInfos[0].sourceImage = bmp;
plateInfos[0].sourceFileName = jpegsToProcess[m_CurrentIndex];
// get the string from the plate
plateInfos[0].plateNumber = "0";
plateInfos[0].plateImage = bmp;// use the main picture to fill the space
plateInfos[0].numChars = 0;
plateCount = 1;
}
// create a display
ClearDisplayTable();
for (int p = 0; p < plateCount; p++)
{
AddPlateTabToEditPage(plateInfos[p]);
}
m_CurrentImageResult = plateInfos;
m_HaveNewDataToStore = true;
if (m_AppData.LPRDiagEnabled)
{
try
{
// get the reject log
string log = m_LPREngine.m_LPRFuntions.GetRejectLog();
string[] sp = log.Split(',');
foreach (string s in sp) listBoxRejectLog.Items.Add(s);
// get the plate diagnostic images, and run a diagnostic histo on original plate images
int count = m_LPREngine.m_LPRFuntions.GetNumCandidatePlates();
for (int i = 0; i < count; i++)
{
int w = 0;
int h = 0;
m_LPREngine.m_LPRFuntions.GetCandidatePlateImageSize(i, ref w, ref h);
byte[,] r = new byte[w, h];
byte[,] g = new byte[w, h];
byte[,] b = new byte[w, h];
error = 0;
int sucess = m_LPREngine.m_LPRFuntions.GetDiagCandidatePlateImage(i, r, g, b, ref error);// get the full resolution image
if (sucess == 0) continue;
Bitmap bt = new Bitmap(w, h);
putPixelsIntoBmp(bt, r, g, b);
PLATE_INFO plateDiagInfo = new PLATE_INFO();
plateDiagInfo.plateImage = bt;
DrawHistoBoundsOnPlateImage(plateDiagInfo);
// get the diagnostic char images from the OCR lib
for (int c = 0; c < plateDiagInfo.charImages.Count(); c++)
{
Bitmap cBmp = null;
m_LPREngine.m_LPRFuntions.GetDiagCharImage(i, c, out cBmp);
plateDiagInfo.charImages[c] = cBmp;
}
// run diag histogram display on each plate
{
Bitmap plateImageUnprocessed = new Bitmap(w, h);
m_LPREngine.m_LPRFuntions.GetCandidatePlateImage(i, out plateImageUnprocessed);
plateDiagInfo.plateImageUnprocessed = plateImageUnprocessed;
int[,] plum = new int[plateImageUnprocessed.Width, plateImageUnprocessed.Height];
PixelLib.Pixels.getPixelsFromImage(plateImageUnprocessed, plum);
int[] histo = new int[256];
int[] integration = new int[256];
Bitmap hBmp = new Bitmap(256, 100);
HistoResults histStats = null;
plateDiagInfo.histString = historgram(plum, histo, integration, true, hBmp, plateDiagInfo.histoBounds, out histStats);
plateDiagInfo.histoBmp = hBmp;
}
AddPlateTabToDiagPage(plateDiagInfo);
}
}
catch (Exception ex) { MessageBox.Show(ex.Message + ex.StackTrace); }
}
}
catch (Exception ex) { MessageBox.Show(ex.Message + ex.StackTrace); }
}
