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fix build error on Visual Studio 2012

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* round doesn't exists in standard library of Visual Studio 2012
  * apply the correct computation of ROI
This commit is contained in:
Tomoaki Teshima 2017-12-12 21:27:46 +09:00
parent f2070c9f5d
commit ecb6bcf2e0
1 changed files with 8 additions and 4 deletions
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12
modules/dnn/src/layers/pooling_layer.cpp
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@ -57,6 +57,10 @@ namespace cv
{
namespace dnn
{
static inline int scaleAndRoundRoi(float f, float scale)
{
return (int)(f * scale + (f >= 0.f ? 0.5f : -0.5f));
}
class PoolingLayerImpl : public PoolingLayer
{
@ -296,16 +300,16 @@ public:
if (poolingType == ROI)
{
const float *roisData = rois->ptr<float>(n);
int ystartROI = round(roisData[2] * spatialScale);
int yendROI = round(roisData[4] * spatialScale);
int ystartROI = scaleAndRoundRoi(roisData[2], spatialScale);
int yendROI = scaleAndRoundRoi(roisData[4], spatialScale);
int roiHeight = std::max(yendROI - ystartROI + 1, 1);
roiRatio = (float)roiHeight / height;
ystart = ystartROI + y0 * roiRatio;
yend = ystartROI + std::ceil((y0 + 1) * roiRatio);
xstartROI = round(roisData[1] * spatialScale);
int xendROI = round(roisData[3] * spatialScale);
xstartROI = scaleAndRoundRoi(roisData[1], spatialScale);
int xendROI = scaleAndRoundRoi(roisData[3], spatialScale);
int roiWidth = std::max(xendROI - xstartROI + 1, 1);
roiRatio = (float)roiWidth / width;