private void ProcessCurrentImage()
{
if (m_CurrentIndex >= 0 && m_CurrentIndex < m_InputFiles.Count)
{
string fileName = m_InputFiles[m_CurrentIndex];
lblDisplayedFile.Text = fileName;
m_CurrentImage = (Bitmap)Bitmap.FromFile(fileName);
m_Pixelmap = Pixelmap.ConstructFromBitmap(m_CurrentImage, TangraConfig.ColourChannel.Red);
using (Graphics g = Graphics.FromImage(m_CurrentImage))
{
m_Processor.Process(m_Pixelmap.Pixels, m_Pixelmap.Width, m_Pixelmap.Height, g, m_CurrentIndex, m_CurrentIndex % 2 == 0);
g.Flush();
}
picField.Image = m_CurrentImage;
picField.Update();
lblBlockWidth.Text = m_Processor.BlockWidth.ToString();
lblBlockHeight.Text = m_Processor.BlockHeight.ToString();
lblBlockXOffs.Text = m_Processor.BlockOffsetX.ToString();
if (m_Processor.BlockOffsetYOdd != m_Processor.BlockOffsetYEven)
{
lblBlockYOffs.Text = string.Format("o:{0} e:{1}", m_Processor.BlockOffsetYOdd, m_Processor.BlockOffsetYEven);
}
else
{
lblBlockYOffs.Text = m_Processor.BlockOffsetYOdd.ToString();
}
PlotDigitPatterns();
if (string.IsNullOrEmpty(m_Processor.CurrentOcredString))
{
lblOcredText.Text = "";
}
else
{
lblOcredText.Text = m_Processor.CurrentOcredString;
}
}
}
public bool ExtractTime(int frameNo, int frameStep, uint[] data, bool debug, out DateTime time)
{
LastOddFieldOSD = null;
if (m_Processor.IsCalibrated && m_TimeStampComposer != null)
{
if (m_VideoController != null)
{
m_VideoController.RegisterExtractingOcrTimestamps();
}
PrepareOsdVideoFields(data);
m_Processor.Process(m_OddFieldPixelsPreProcessed, m_FieldAreaWidth, m_FieldAreaHeight, null, frameNo, true);
LastOddFieldOSD = m_Processor.CurrentOcredTimeStamp;
m_Processor.Process(m_EvenFieldPixelsPreProcessed, m_FieldAreaWidth, m_FieldAreaHeight, null, frameNo, false);
LastEvenFieldOSD = m_Processor.CurrentOcredTimeStamp;
string failedReason;
if (m_InitializationData.IntegratedAAVFrames > 0)
{
time = m_TimeStampComposer.ExtractAAVDateTime(frameNo, frameStep, LastOddFieldOSD, LastEvenFieldOSD, out failedReason);
LastFailedReason = failedReason;
}
else
{
time = m_TimeStampComposer.ExtractDateTime(frameNo, frameStep, LastOddFieldOSD, LastEvenFieldOSD, out failedReason);
LastFailedReason = failedReason;
}
}
else
{
time = DateTime.MinValue;
}
return(time != DateTime.MinValue);
}
public override void Process(IotaVtiOcrProcessor stateManager, Graphics graphics, int frameNo, bool isOddField)
{
if (m_Width != stateManager.CurrentImageWidth || m_Height != stateManager.CurrentImageHeight)
{
Reinitialise(stateManager.CurrentImageWidth, stateManager.CurrentImageHeight);
ROUTH_START_FRAME_NUMBER_BLOCKS = (int)Math.Round(IotaVtiOcrProcessor.COEFF_FIRST_FRAME_NO_DIGIT_POSITION * stateManager.CurrentImageWidth);
}
CalibrateBlockPositonsTop(stateManager, isOddField);
CalibrateBlockPositonsWidth(stateManager, isOddField);
if (m_CalibratedPositons.Count == 10)
{
stateManager.BlockOffsetYOdd = m_CalibratedPositons.Where(x => x.IsOddField).MostCommonValue(x => x.BlockOffsetY);
stateManager.BlockOffsetYEven = m_CalibratedPositons.Where(x => !x.IsOddField).MostCommonValue(x => x.BlockOffsetY);
var normalizedPositions = new List<CalibratedBlockPosition>();
if (CalibrateFrameNumberBlockPositions(stateManager, out normalizedPositions) &&
RecognizedTimestampsConsistent(stateManager, normalizedPositions))
{
stateManager.ChangeState<IotaVtiOcrCalibratedState>();
stateManager.Process(stateManager.CurrentImage, stateManager.CurrentImageWidth, stateManager.CurrentImageHeight, graphics, frameNo, isOddField);
return;
}
else
{
// Make sure we always remove the whole frame, so swapped fields create less issues when learning the characters
m_CalibratedPositons.RemoveAt(0);
m_CalibratedPositons.RemoveAt(0);
}
}
if (graphics != null)
base.PlotImage(graphics, stateManager, isOddField);
}
