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fix the bug when src*2 < dst

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@lizhiyu3
2022-07-05 15:43:52 +08:00
parent 2920a8e0ec
commit 79731cb0ff
2 changed files with 50 additions and 9 deletions
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modules/imgproc/src/pyramids.cpp
+17 -5
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@@ -983,13 +983,25 @@ pyrUp_( const Mat& _src, Mat& _dst, int)
row0 = rows[0]; row1 = rows[1]; row2 = rows[2];
dsts[0] = dst0; dsts[1] = dst1;
x = PyrUpVecV<WT, T>(rows, dsts, dsize.width);
for( ; x < dsize.width; x++ )
if (dst0 != dst1)
{
T t1 = castOp((row1[x] + row2[x])*4);
T t0 = castOp(row0[x] + row1[x]*6 + row2[x]);
dst1[x] = t1; dst0[x] = t0;
x = PyrUpVecV<WT, T>(rows, dsts, dsize.width);
for( ; x < dsize.width; x++ )
{
T t1 = castOp((row1[x] + row2[x])*4);
T t0 = castOp(row0[x] + row1[x]*6 + row2[x]);
dst1[x] = t1; dst0[x] = t0;
}
}
else
{
for(x = 0; x < dsize.width; x++ )
{
T t0 = castOp(row0[x] + row1[x]*6 + row2[x]);
dst0[x] = t0;
}
}
}
if (dsize.height > ssize.height*2)