private void _pagesListBox_SelectedIndexChanged(object sender, EventArgs e)
{
// Get the recognized words of the selected page
_wordsListBox.Items.Clear();
IOcrPage ocrPage = _ocrDocument.Pages[_pagesListBox.SelectedIndex];
if (ocrPage.IsRecognized)
{
IOcrPageCharacters pageCharacters = ocrPage.GetRecognizedCharacters();
if (pageCharacters == null)
{
return;
}
foreach (IOcrZoneCharacters zoneCharacters in pageCharacters)
{
ICollection <OcrWord> words = zoneCharacters.GetWords();
foreach (OcrWord word in words)
{
_wordsListBox.Items.Add(word.Value);
}
}
}
}
private static double GetConfidence(IOcrPage page)
{
var recognizedCharacters = page.GetRecognizedCharacters();
var findZoneCharacters = recognizedCharacters.FindZoneCharacters(0);
return(findZoneCharacters
.DefaultIfEmpty()
.Average(character => character.Confidence) / 100D);
}
private void BuildWordLists()
{
_ocrPageCharacters = _ocrPage.GetRecognizedCharacters();
_ocrZoneWords = new List <List <OcrWord> >();
// Build the words
foreach (IOcrZoneCharacters zoneCharacters in _ocrPageCharacters)
{
List <OcrWord> words = new List <OcrWord>();
words.AddRange(zoneCharacters.GetWords());
_ocrZoneWords.Add(words);
}
_selectedZoneIndex = -1;
_selectedWordIndex = -1;
}
private void GetOmrReading(IOcrPage ocrPage, FormField field, ImageField imageField, int retry = 1)
{
IOcrPageCharacters pageCharacters = ocrPage.GetRecognizedCharacters();
if (pageCharacters == null)
{
logger.Warn($"could not read OMR for ${field} ");
imageField.FieldResult.Confidence = 0;
imageField.FieldResult.Text = "";
}
else
{
IOcrZoneCharacters zoneCharacters = pageCharacters[0];
if (zoneCharacters.Count > 0)
{
OcrCharacter omrCharacter = zoneCharacters[0];
imageField.FieldResult.Text = omrCharacter.Code.ToString();
imageField.FieldResult.IsFilled = omrCharacter.Code == FilledChar;
imageField.FieldResult.Confidence = omrCharacter.Confidence;
// often on a fill we get the line from the box, so we retry more narrowly
if (imageField.FieldResult.IsFilled)
{
if (retry > 0)
{
var orgZone = ocrPage.Zones[0];
orgZone.Bounds = ChangeBoundsRatio(orgZone.Bounds, 0.66);
ocrPage.Recognize(null);
GetOmrReading(ocrPage, field, imageField, 0);
logger.Info($"FILLED {field.Name}");
}
}
}
else
{
imageField.FieldResult.Text = "";
}
}
}
public void ZoneToControls(int index)
{
// Fill the controls from the current zone
if (index != -1)
{
OcrZone zone = _zones[index];
_nameTextBox.Text = zone.Name;
// Convert the bounds to pixels
LeadRect bounds = zone.Bounds;
_leftTextBox.Text = bounds.X.ToString();
_topTextBox.Text = bounds.Y.ToString();
_widthTextBox.Text = bounds.Width.ToString();
_heightTextBox.Text = bounds.Height.ToString();
// Disable these events when changing the combo boxes selected items once the "UpdateZonesControl" gets activated
this._typeComboBox.SelectedIndexChanged -= new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
this._languageComboBox.SelectedIndexChanged -= new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
this._zoneViewPerspectiveComboBox.SelectedIndexChanged -= new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
this._zoneTextDirectionComboBox.SelectedIndexChanged -= new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
_typeComboBox.SelectedItem = zone.ZoneType;
for (int i = 0; i < _languageComboBox.Items.Count; i++)
{
MyLanguage ml = (MyLanguage)_languageComboBox.Items[i];
if (zone.Language == null || zone.Language == String.Empty)
{
if (ml.Language == String.Empty)
{
_languageComboBox.SelectedItem = ml;
break;
}
}
else
{
if (ml.Language == zone.Language)
{
_languageComboBox.SelectedItem = ml;
break;
}
}
}
_zoneViewPerspectiveComboBox.SelectedIndex = 0;
foreach (ViewPerspectiveItem item in _zoneViewPerspectiveComboBox.Items)
{
if (item.ViewPerspective == zone.ViewPerspective)
{
_zoneViewPerspectiveComboBox.SelectedItem = item;
break;
}
}
_zoneTextDirectionComboBox.SelectedIndex = 0;
foreach (TextDirectionItem item in _zoneTextDirectionComboBox.Items)
{
if (item.TextDirection == zone.TextDirection)
{
_zoneTextDirectionComboBox.SelectedItem = item;
break;
}
}
this._typeComboBox.SelectedIndexChanged += new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
this._languageComboBox.SelectedIndexChanged += new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
this._zoneViewPerspectiveComboBox.SelectedIndexChanged += new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
this._zoneTextDirectionComboBox.SelectedIndexChanged += new System.EventHandler(this._propertiesComboBox_SelectedIndexChanged);
if (zone.ZoneType == OcrZoneType.Omr)
{
StringBuilder sb = new StringBuilder();
if (!_ocrPage.IsRecognized)
{
sb.Append("Unfilled (0% certain)");
}
else
{
IOcrPageCharacters pageCharacters = _ocrPage.GetRecognizedCharacters();
if (pageCharacters == null || pageCharacters.Count == 0 || zone.Id >= pageCharacters.Count)
{
sb.Append("Unfilled (0% certain)");
}
else
{
IOcrZoneCharacters zoneCharacters = pageCharacters[zone.Id];
if (zoneCharacters.Count > 0)
{
OcrCharacter omrCharacter = zoneCharacters[0];
char filledChar = _ocrEngine.ZoneManager.OmrOptions.GetStateRecognitionCharacter(OcrOmrZoneState.Filled);
char unfilledChar = _ocrEngine.ZoneManager.OmrOptions.GetStateRecognitionCharacter(OcrOmrZoneState.Unfilled);
if (omrCharacter.Code == filledChar)
{
sb.Append("Filled");
}
else
{
sb.Append("Unfilled");
}
sb.AppendFormat(" ({0}% certain)", omrCharacter.Confidence);
}
else
{
sb.AppendFormat("Unfilled (0% certain)");
}
}
}
_omrStatusLabel.Text = sb.ToString();
}
else
{
_omrStatusLabel.Text = string.Empty;
}
if ((zone.CharacterFilters & OcrZoneCharacterFilters.Digit) == OcrZoneCharacterFilters.Digit)
{
_digitCheckBox.Checked = true;
}
else
{
_digitCheckBox.Checked = false;
}
if ((zone.CharacterFilters & OcrZoneCharacterFilters.Plus) == OcrZoneCharacterFilters.Plus)
{
_plusCheckBox.Checked = true;
}
else
{
_plusCheckBox.Checked = false;
}
}
else
{
_nameTextBox.Text = string.Empty;
_leftTextBox.Text = string.Empty;
_topTextBox.Text = string.Empty;
_widthTextBox.Text = string.Empty;
_heightTextBox.Text = string.Empty;
_typeComboBox.SelectedIndex = 0;
_languageComboBox.SelectedIndex = 0;
_zoneViewPerspectiveComboBox.SelectedIndex = 0;
_zoneTextDirectionComboBox.SelectedIndex = 0;
_omrStatusLabel.Text = string.Empty;
_digitCheckBox.Checked = false;
_plusCheckBox.Checked = false;
}
}
private static double GetConfidence(IOcrPage page)
{
var recognizedCharacters = page.GetRecognizedCharacters();
var findZoneCharacters = recognizedCharacters.FindZoneCharacters(0);
return findZoneCharacters
.DefaultIfEmpty()
.Average(character => character.Confidence) / 100D;
}
private PageResults GetPageConfidence(IOcrPage ocrPage)
{
IOcrPageCharacters pageCharacters = ocrPage.GetRecognizedCharacters();
double pageConfidence = 0;
int certainWords = 0;
int totalWords = 0;
int totalZoneWords = 0;
int textZoneCount = 0;
for (int i = 0; i < ocrPage.Zones.Count; i++)
{
IOcrZoneCharacters zoneCharacters = pageCharacters.FindZoneCharacters(i);
if (zoneCharacters.Count == 0)
{
continue;
}
textZoneCount++;
double zoneConfidence = 0;
int characterCount = 0;
double wordConfidence = 0;
totalZoneWords = 0;
bool newWord = true;
foreach (var ocrCharacter in zoneCharacters)
{
if (newWord)
{
wordConfidence = 0;
characterCount = 0;
wordConfidence = 1000;
}
if (ocrCharacter.Confidence < wordConfidence)
{
wordConfidence = ocrCharacter.Confidence;
}
characterCount++;
if ((ocrCharacter.Position & OcrCharacterPosition.EndOfWord) == OcrCharacterPosition.EndOfWord || (ocrCharacter.Position & OcrCharacterPosition.EndOfLine) == OcrCharacterPosition.EndOfLine)
{
if (characterCount > 3)
{
if (ocrCharacter.WordIsCertain)
{
certainWords++;
}
totalWords++;
totalZoneWords++;
zoneConfidence += wordConfidence;
}
newWord = true;
}
else
{
newWord = false;
}
}
if (totalZoneWords > 0)
{
zoneConfidence /= totalZoneWords;
pageConfidence += zoneConfidence;
}
else
{
zoneConfidence = 0;
pageConfidence += zoneConfidence;
}
}
if (textZoneCount > 0)
{
pageConfidence /= textZoneCount;
}
else
{
pageConfidence = 0;
}
PageResults results = new PageResults(pageConfidence, certainWords, totalWords);
return(results);
}