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Merge pull request #11989 from csukuangfj:patch_2

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This commit is contained in:
Alexander Alekhin 2018-07-17 10:27:21 +00:00
commit 540415dc5e
1 changed files with 1 additions and 4 deletions
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5
modules/calib3d/src/calibinit.cpp
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@ -513,10 +513,6 @@ bool findChessboardCorners(InputArray image_, Size pattern_size,
{
cvtColor(img, img, COLOR_BGR2GRAY);
}
else
{
img.clone();
}
int prev_sqr_size = 0;
@ -578,6 +574,7 @@ bool findChessboardCorners(InputArray image_, Size pattern_size,
{
if (flags & CALIB_CB_NORMALIZE_IMAGE)
{
img = img.clone();
equalizeHist(img, img);
}