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Ignore crops that are pure white or pure black with a little leniency

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Matt Hill
2015-06-28 11:46:07 -04:00
parent faf8aed33a
commit eb777abe16
1 changed files with 2 additions and 2 deletions
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4
src/openalpr/edges/platelines.cpp
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@@ -52,9 +52,9 @@ namespace alpr
// Ignore input images that are pure white or pure black // Ignore input images that are pure white or pure black
Scalar avgPixelIntensity = mean(inputImage); Scalar avgPixelIntensity = mean(inputImage);
if (avgPixelIntensity[0] == 255) if (avgPixelIntensity[0] >= 252)
return; return;
else if (avgPixelIntensity[0] == 0) else if (avgPixelIntensity[0] <= 3)
return; return;
// Do a bilateral filter to clean the noise but keep edges sharp // Do a bilateral filter to clean the noise but keep edges sharp