String GetPeakPositionStr(SapFlatFieldStats stats)
{
String str = "";
if (stats.NumComponents > 1)
{
str += "[ ";
for (int iComponent = 0; iComponent < stats.NumComponents; iComponent++)
{
String szComponent;;
szComponent = String.Format("{0}", stats.get_NumPixels(iComponent));
str += szComponent;
if (iComponent != stats.NumComponents - 1)
{
str += ", ";
}
}
str += " ]";
}
else
{
str = String.Format("{0}", stats.NumPixels);
}
return(str);
}
String GetHighStr(SapFlatFieldStats stats)
{
String str = "";
if (stats.NumComponents > 1)
{
str += "[ ";
for (int iComponent = 0; iComponent < stats.NumComponents; iComponent++)
{
String szComponent;
szComponent = String.Format("{0}", stats.get_High(iComponent));
str += szComponent;
if (iComponent != stats.NumComponents - 1)
{
str += ", ";
}
}
str += " ]";
}
else
{
str = String.Format("{0}", stats.High);
}
return(str);
}
private void BrightImage()
{
String str;
SapFlatFieldStats stats = new SapFlatFieldStats();
if (m_pXfer != null)
{
str = String.Format("Number of frames to average: {0}", textBox_Frame_Avg.Text);
LogMessage(LogTypes.Info, str);
}
if (m_CorrectionType == SapFlatField.ScanCorrectionType.Line)
{
str = String.Format("Number of lines to average: {0}", textBox_Line_Avg.Text);
LogMessage(LogTypes.Info, str);
str = String.Format("Vertical offset from top: {0}", textBox_Vert_Offset.Text);
LogMessage(LogTypes.Info, str);
}
LogMessage(LogTypes.Info, "Bright image calibration");
// Get statistics on the (bright - dark) image
if (!m_pFlatField.GetStats(m_pLocalBuffer, stats))
{
LogMessage(LogTypes.Error, "Unable to get image statistic");
return;
}
str = "The following statistics have been computed on the bright image\n";
str += "after the substraction of the dark image:\n\n";
str += String.Format(" The average pixel value is {0}levels.\n", GetAverageStr(stats));
str += String.Format(" The highest peak has been detected at {0}.\n", GetPeakPositionStr(stats));
str += String.Format(" {0} pixels {1} have a luminance value between {2} to {3}\n", GetNumPixelsStr(stats), GetPixelRatioStr(stats), GetLowStr(stats), GetHighStr(stats));
str += String.Format("\nWe recommend at least {0} levels for the highest peak value\n", m_RecommendedBright);
str += String.Format("with {0}% pixels lying between the lower and the higher bound.\n", SapDefFlatFieldPixelRatio);
str += "\nDo you want to use this image?";
if (MessageBox.Show(str, "", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
return;
}
// Log average pixel value, lower and higher bounds and pixel ratio
str = String.Format(" Average pixel value: {0}", GetAverageStr(stats));
LogMessage(LogTypes.Info, str);
str = String.Format(" Maximum deviation allowed from average pixel value: {0}", textBox_Max_Dev.Text);
LogMessage(LogTypes.Info, str);
str = String.Format(" Highest peak position: {0}", GetPeakPositionStr(stats));
LogMessage(LogTypes.Info, str);
str = String.Format(" Lower bound: {0}", GetLowStr(stats));
LogMessage(LogTypes.Info, str);
str = String.Format(" Upper bound: {0}", GetHighStr(stats));
LogMessage(LogTypes.Info, str);
str = String.Format(" Number of pixels inside bounds: {0} ({1})", GetNumPixelsStr(stats), GetPixelRatioStr(stats));
LogMessage(LogTypes.Info, str);
SapFlatFieldDefects defects = new SapFlatFieldDefects();
// Compute gain coefficient using last acquired image
m_pFlatField.NumFramesAverage = m_pLocalBuffer.Count;
if (m_pFlatField.ComputeGain(m_pLocalBuffer, defects, true))
{
// Check for the presence of cluster (adjacent defective pixels)
if (defects.NumClusters != 0)
{
str = String.Format("{0} pixels ({1} %) have been identified as being defective\n", defects.NumDefects, defects.DefectRatio);
str += String.Format("with {0} clusters.\n", defects.NumClusters);
str += String.Format("\nWe recommend less than {0}% of defective pixels with no cluster.\n", SapDefFlatFieldDefectRatio);
str += String.Format("\nDo you still want to use this image?\n");
if (MessageBox.Show(str, "", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
return;
}
}
// Log number of defective pixels detected
str = String.Format(" Number of defective pixels detected: {0} ({1})", defects.NumDefects, defects.DefectRatio);
LogMessage(LogTypes.Info, str);
// Log number of cluster detected
str = String.Format(" Number of clusters detected: {0}", defects.NumClusters);
LogMessage(LogTypes.Info, str);
button_Acq_Dark.Enabled = true;
button_Acq_Bright.Enabled = false;
button_OK.Enabled = true;
bool isOnline = (m_pXfer != null && m_pXfer.Initialized);
comboBox_Correction_Type.Enabled = !isOnline && m_VideoType == SapAcquisition.VideoType.Mono;
comboBox_Video_Type.Enabled = m_pXfer == null;
textBox_Frame_Avg.Enabled = m_pXfer != null;
textBox_Line_Avg.Enabled = m_CorrectionType == SapFlatField.ScanCorrectionType.Line;
textBox_Vert_Offset.Enabled = m_CorrectionType == SapFlatField.ScanCorrectionType.Line;
textBox_Max_Dev.Enabled = true;
button_Save_and_Upload.Enabled = true;
comboBox_FlatField_Selector.Enabled = true;
//Multi flat-field not implemented in .NET
//m_CalibrationIndexCtrl.EnableWindow( m_pFlatField->GetNumFlatField() > 1);
LogMessage(LogTypes.Info, "Calibration with a bright image has been done successfully");
textBox_Max_Dev.Text = m_pFlatField.DeviationMaxBlack.ToString();
}
}
private void DarkImage()
{
String str;
SapFlatFieldStats stats = new SapFlatFieldStats();
str = String.Format("Correction type: {0}", m_CorrectionType);
LogMessage(LogTypes.Info, str);
str = String.Format("Video type: {0}", m_VideoType);
LogMessage(LogTypes.Info, str);
if (m_pXfer != null)
{
str = String.Format("Number of frames to average: {0}", textBox_Frame_Avg.Text);
LogMessage(LogTypes.Info, str);
}
if (m_CorrectionType == SapFlatField.ScanCorrectionType.Line)
{
str = String.Format("Number of lines to average: {0}", textBox_Line_Avg.Text);
LogMessage(LogTypes.Info, str);
str = String.Format("Vertical offset from top: {0}", textBox_Vert_Offset.Text);
LogMessage(LogTypes.Info, str);
}
LogMessage(LogTypes.Info, "Dark image calibration");
if (!m_pFlatField.GetStats(m_pLocalBuffer, stats))
{
LogMessage(LogTypes.Error, " Unable to get image statistics");
return;
}
bool tooManyBadPixels = false;
int numComponents = stats.NumComponents;
for (int i = 0; i < numComponents; i++)
{
if (stats.get_Average(i) > m_RecommendedDark)
{
tooManyBadPixels = true;
break;
}
}
if (tooManyBadPixels && m_pFlatField.ClippedGainOffsetDefects)
{
str = "The following statistics have been computed on the dark image: \n";
str += String.Format("The average pixel value is {0}\n", GetAverageStr(stats));
str += String.Format("\nThis yields too many bad pixels above the hardware limit of {0}\n", m_RecommendedDark);
str += String.Format("\nTo disable bad pixels, uncheck the \'Consider as defective ...\'\n");
str += String.Format("checkbox, then acquire the dark image again\n");
MessageBox.Show(str, "", MessageBoxButtons.OK);
return;
}
else
{
str = "The following statistics have been computed on the dark image: \n";
str += String.Format("The average pixel value is {0}\n", GetAverageStr(stats));
str += String.Format("\nWe recommend an average pixel value of less than {0}\n", m_RecommendedDark);
str += String.Format("\nDo you want to use this image?");
if (MessageBox.Show(str, "", MessageBoxButtons.YesNo) != DialogResult.Yes)
{
return;
}
}
// Log pixel statistics
str = String.Format(" Average pixel value: {0}", GetAverageStr(stats));
LogMessage(LogTypes.Info, str);
str = String.Format(" Maximum deviation allowed from average pixel value: {0}", textBox_Max_Dev.Text);
LogMessage(LogTypes.Info, str);
// Compute offset coefficients using last acquired image
m_pFlatField.NumFramesAverage = m_pLocalBuffer.Count;
if (m_pFlatField.ComputeOffset(m_pLocalBuffer))
{
button_Acq_Dark.Enabled = false;
button_Acq_Bright.Enabled = true;
comboBox_Correction_Type.Enabled = false;
comboBox_Video_Type.Enabled = false;
comboBox_Calibration_Index.Enabled = false;
LogMessage(LogTypes.Info, "Calibration with a dark image has been done successfully");
textBox_Max_Dev.Text = m_pFlatField.DeviationMaxWhite.ToString();
}
}
