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Merge pull request #8455 from terfendail:ovxhal_skipsmall

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This commit is contained in:
Vadim Pisarevsky
2017-05-26 12:10:18 +00:00
parent d962b3f499 1d62a025b3
commit ee257ffe9e
16 changed files with 155 additions and 144 deletions
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modules/imgproc/src/histogram.cpp
+6 -2
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@@ -1331,6 +1331,9 @@ private:
#ifdef HAVE_OPENVX
namespace cv
{
namespace ovx {
template <> inline bool skipSmallImages<VX_KERNEL_HISTOGRAM>(int w, int h) { return w*h < 2048 * 1536; }
}
static bool openvx_calchist(const Mat& image, OutputArray _hist, const int histSize,
const float* _range)
{
@@ -1440,7 +1443,8 @@ void cv::calcHist( const Mat* images, int nimages, const int* channels,
images && histSize &&
nimages == 1 && images[0].type() == CV_8UC1 && dims == 1 && _mask.getMat().empty() &&
(!channels || channels[0] == 0) && !accumulate && uniform &&
ranges && ranges[0],
ranges && ranges[0] &&
!ovx::skipSmallImages<VX_KERNEL_HISTOGRAM>(images[0].cols, images[0].rows),
openvx_calchist(images[0], _hist, histSize[0], ranges[0]))
Mat mask = _mask.getMat();
@@ -3882,7 +3886,7 @@ void cv::equalizeHist( InputArray _src, OutputArray _dst )
_dst.create( src.size(), src.type() );
Mat dst = _dst.getMat();
CV_OVX_RUN(true,
CV_OVX_RUN(!ovx::skipSmallImages<VX_KERNEL_EQUALIZE_HISTOGRAM>(src.cols, src.rows),
openvx_equalize_hist(src, dst))
Mutex histogramLockInstance;