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Added clamp() for THRESH_TRUNC mode

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This commit is contained in:
Alexander Karsakov
2014-05-13 15:21:47 +04:00
parent eba1be711c
commit 4612b4b827
2 changed files with 11 additions and 7 deletions
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6
modules/imgproc/src/thresh.cpp
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@@ -847,9 +847,13 @@ static bool ocl_threshold( InputArray _src, OutputArray _dst, double & thresh, d
if (depth <= CV_32S)
thresh = cvFloor(thresh);
const double min_vals[] = { 0, CHAR_MIN, 0, SHRT_MIN, INT_MIN, -FLT_MAX, -DBL_MAX, 0 };
double min_val = min_vals[depth];
k.args(ocl::KernelArg::ReadOnlyNoSize(src), ocl::KernelArg::WriteOnly(dst, cn, kercn),
ocl::KernelArg::Constant(Mat(1, 1, depth, Scalar::all(thresh))),
ocl::KernelArg::Constant(Mat(1, 1, depth, Scalar::all(maxval))));
ocl::KernelArg::Constant(Mat(1, 1, depth, Scalar::all(maxval))),
ocl::KernelArg::Constant(Mat(1, 1, depth, Scalar::all(min_val))));
size_t globalsize[2] = { dst.cols * cn / kercn, dst.rows };
return k.run(2, globalsize, NULL, false);