dockerfile/openalpr-base
1
0
Fork 0
mirror of https://github.com/kerberos-io/openalpr-base.git synced 2025-10-06 01:56:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

Removed segmentation filter that sometimes removed 'I' and '1' characters

Browse Source
This commit is contained in:
Matt Hill
2015-06-04 23:56:32 -04:00
parent dbe338deb1
commit 509e2a05fd
1 changed files with 0 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/openalpr/segmentation/charactersegmenter.cpp
View File

@@ -161,7 +161,6 @@ namespace alpr
filterEdgeBoxes(pipeline_data->thresholds, candidateBoxes, medianCharWidth, avgCharHeight); filterEdgeBoxes(pipeline_data->thresholds, candidateBoxes, medianCharWidth, avgCharHeight);
candidateBoxes = filterMostlyEmptyBoxes(pipeline_data->thresholds, candidateBoxes); candidateBoxes = filterMostlyEmptyBoxes(pipeline_data->thresholds, candidateBoxes);
candidateBoxes = combineCloseBoxes(candidateBoxes, medianCharWidth); candidateBoxes = combineCloseBoxes(candidateBoxes, medianCharWidth);
cleanMostlyFullBoxes(pipeline_data->thresholds, candidateBoxes);
candidateBoxes = filterMostlyEmptyBoxes(pipeline_data->thresholds, candidateBoxes); candidateBoxes = filterMostlyEmptyBoxes(pipeline_data->thresholds, candidateBoxes);
@@ -648,31 +647,6 @@ namespace alpr
} }
} }
void CharacterSegmenter::cleanMostlyFullBoxes(vector<Mat> thresholds, const vector<Rect> charRegions)
{
float MAX_FILLED = 0.95 * 255;
for (unsigned int i = 0; i < charRegions.size(); i++)
{
Mat mask = Mat::zeros(thresholds[0].size(), CV_8U);
rectangle(mask, charRegions[i], Scalar(255,255,255), -1);
for (unsigned int j = 0; j < thresholds.size(); j++)
{
if (mean(thresholds[j], mask)[0] > MAX_FILLED)
{
// Empty the rect
rectangle(thresholds[j], charRegions[i], Scalar(0,0,0), -1);
if (this->config->debugCharSegmenter)
{
Rect inset(charRegions[i].x + 2, charRegions[i].y - 2, charRegions[i].width - 4, charRegions[i].height - 4);
rectangle(imgDbgCleanStages[j], inset, COLOR_DEBUG_FULLBOX, 1);
}
}
}
}
}
vector<Rect> CharacterSegmenter::filterMostlyEmptyBoxes(vector<Mat> thresholds, const vector<Rect> charRegions) vector<Rect> CharacterSegmenter::filterMostlyEmptyBoxes(vector<Mat> thresholds, const vector<Rect> charRegions)
{ {