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remove a useless statement.

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This commit is contained in:
Kuang Fangjun 2018-07-14 16:14:35 +08:00
parent 23fc96e98f
commit 84f2f37680
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); cvtColor(img, img, COLOR_BGR2GRAY);
} }
else
{
img.clone();
}
int prev_sqr_size = 0; int prev_sqr_size = 0;
@ -578,6 +574,7 @@ bool findChessboardCorners(InputArray image_, Size pattern_size,
{ {
if (flags & CALIB_CB_NORMALIZE_IMAGE) if (flags & CALIB_CB_NORMALIZE_IMAGE)
{ {
img = img.clone();
equalizeHist(img, img); equalizeHist(img, img);
} }