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fix grayscale loading

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Adrien BAK 2014-09-26 12:34:16 +09:00 committed by Adrien BAK
parent 63715a899e
commit 2f046ae873
1 changed files with 1 additions and 1 deletions
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modules/photo/test/test_npr.cpp
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@ -113,7 +113,7 @@ TEST(Photo_NPR_PencilSketch, regression)
Mat pencil_result, color_pencil_result;
pencilSketch(source,pencil_result, color_pencil_result, 10, 0.1f, 0.03f);
Mat pencil_reference = imread(folder + "pencil_sketch_reference.png");
Mat pencil_reference = imread(folder + "pencil_sketch_reference.png", 0 /* == grayscale*/);
double pencil_error = norm(pencil_reference, pencil_result, NORM_L1);
EXPECT_LE(pencil_error, numerical_precision);