/// <summary>
/// Reloads the OCR patterns and apply them to the given word entries
/// </summary>
/// <param name="entries">The word entries to retest the OCR pattern check</param>
public void ReloadOCRPatterns(IEnumerable <WordEntry> entries)
{
List <string> warnings;
LoadOCRPatterns(out warnings);
foreach (var we in entries)
{
if (we.IsUnknownWord)
{
OCRErrorTest.OCRResult ocrResult;
OCRErrorTest.Test(we, ocrPatterns, fullDictionary, out ocrResult);
}
}
}
/// <summary>
/// Fills the suggestion of a word entry
/// </summary>
/// <param name="we">The word entry to fill the suggestion for</param>
/// <param name="wordEntries">A collection of all the word entries</param>
/// <param name="ocrPatternsAppliedCount">A collection that keeps track of which ocr patterns have been applied and how many times</param>
public void FillSuggestion(WordEntry we, Dictionary <string, WordEntry> wordEntries, Dictionary <string, Dictionary <string, int> > ocrPatternsAppliedCount, HashSet <string> enabledTests)
{
if (!we.IsUnknownWord)
{
// it's a word that is known, ignore and don't fill a suggestion
we.Ignore = true;
}
else
{
// build the dictionary suggestions
// note: this takes a long time!
if (we.IsUnknownWord && !we.Ignore && string.IsNullOrEmpty(we.Suggestion))
{
we.DictionarySuggesions = fullDictionary
.Where(s => (char.ToLower(s[0]) == char.ToLower(we.Text[0]) || s.Last() == char.ToLower(we.Text.Last())) && Math.Abs(s.Length - we.Text.Length) <= 2) // only take the words that have a max 2 char length deviation
.OrderBy(s => s.GetDistance(we.Text.ToLower())).Take(10).ToArray();
}
// test for numbers
if (enabledTests.Contains(typeof(NumberTest).Name))
{
NumberTest.Test(we);
}
// test for OCR errors
if (enabledTests.Contains(typeof(OCRErrorTest).Name))
{
OCRErrorTest.OCRResult result;
OCRErrorTest.Test(we, ocrPatterns, fullDictionary, out result);
// if the OCR pattern was succesfully applied, append it to the dictionary that keeps track of how many times a pattern is applied
if (result != null && result.IsFixed)
{
Dictionary <string, int> patternMatches;
// make sure to lock the dictionary, as this is executed in parallel
lock (ocrPatternsAppliedCount)
{
// add the pattern if it's not present
if (!ocrPatternsAppliedCount.TryGetValue(result.PatternSource, out patternMatches))
{
ocrPatternsAppliedCount[result.PatternSource] = patternMatches = new Dictionary <string, int>();
}
}
// lock and increase the count of the pattern or add it if it wasn't present yet
lock (patternMatches)
{
int ocrCount;
if (patternMatches.TryGetValue(result.PatternTarget, out ocrCount))
{
patternMatches[result.PatternTarget] = ocrCount + 1;
}
else
{
patternMatches[result.PatternTarget] = 1;
}
}
}
}
// test for name
if (enabledTests.Contains(typeof(NameTest).Name))
{
NameTest.Test(we);
}
// test for suffixes
if (enabledTests.Contains(typeof(SuffixTest).Name))
{
SuffixTest.Test(we, fullDictionary);
}
// test for unnecessary hyphens
if (enabledTests.Contains(typeof(UnnecessaryHyphenTest).Name))
{
UnnecessaryHyphenTest.Test(we, fullDictionary);
}
// test for unnecessary diacritics
if (enabledTests.Contains(typeof(UnnecessaryDiacriticsTest).Name))
{
UnnecessaryDiacriticsTest.Test(we, fullDictionary);
}
// test for high probability
if (enabledTests.Contains(typeof(HighProbabilityTest).Name))
{
HighProbabilityTest.Test(we, wordEntries);
}
// test for probability on neighbours
if (enabledTests.Contains(typeof(HighProbabilityOnNeighboursTest).Name))
{
HighProbabilityOnNeighboursTest.Test(we, false);
}
// test for missing spaces
if (enabledTests.Contains(typeof(MissingSpacesTest).Name))
{
MissingSpacesTest.Test(we, wordEntries, fullDictionary);
}
}
}