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Added per-line values for character height.

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Helps support multiline plates with different heights on each line
This commit is contained in:
Matt Hill
2015-09-20 21:11:14 -04:00
parent 75c6784369
commit 8d765d481d
8 changed files with 66 additions and 41 deletions
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6
src/openalpr/edges/platecorners.cpp
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@@ -138,7 +138,7 @@ namespace alpr
LineSegment right;
float charHeightToPlateWidthRatio = pipelineData->config->plateWidthMM / pipelineData->config->charHeightMM;
float charHeightToPlateWidthRatio = pipelineData->config->plateWidthMM / pipelineData->config->avgCharHeightMM;
float idealPixelWidth = tlc.charHeight * (charHeightToPlateWidthRatio * 1.03); // Add 3% so we don't clip any characters
float confidenceDiff = 0;
@@ -242,7 +242,7 @@ namespace alpr
LineSegment top;
LineSegment bottom;
float charHeightToPlateHeightRatio = pipelineData->config->plateHeightMM / pipelineData->config->charHeightMM;
float charHeightToPlateHeightRatio = pipelineData->config->plateHeightMM / pipelineData->config->avgCharHeightMM;
float idealPixelHeight = tlc.charHeight * charHeightToPlateHeightRatio;
float confidenceDiff = 0;
@@ -304,7 +304,7 @@ namespace alpr
// Get the height difference
float heightRatio = tlc.charHeight / plateHeightPx;
float idealHeightRatio = (pipelineData->config->charHeightMM / pipelineData->config->plateHeightMM);
float idealHeightRatio = (pipelineData->config->avgCharHeightMM / pipelineData->config->plateHeightMM);
float heightRatioDiff = abs(heightRatio - idealHeightRatio);
scoreKeeper.setScore("SCORING_PLATEHEIGHT_WEIGHT", heightRatioDiff, SCORING_PLATEHEIGHT_WEIGHT);