bool VideoOutput::onSetRegionOfInterest(const QRectF& roi)
{
DPTR_D(VideoOutput);
QRectF r = regionOfInterest();
d.impl->onSetRegionOfInterest(roi);
d.roi = d.impl->regionOfInterest();
return r != roi;
}
/******************************************************************************
* Input argument(s) : QImage *inputImage - Input image for the filter
* const int &radius - Radius of structuring element
* const bool &roiFlag - Flag to enable region of interest
* QRect *roiRect - Region of interest rectangle
* Return type : QImage* - Output image after bilateral filtering
* Functionality : Function to apply bilateral filter on the given
* input image and returns the processed image
******************************************************************************/
QImage *ImageSmootheningFilter::applyBilateralFilter(QImage *inputImage, const int &radius, const bool &roiFlag, QRect *roiRect) const
{
cv::Mat inputMat = qtOpenCVBridge->QImage2Mat(inputImage);
cv::Mat outputMat = inputMat.clone();
if(roiFlag == true){
cv::Rect regionOfInterest(roiRect->x(), roiRect->y(), roiRect->width(), roiRect->height());
cv::Mat croppedInputMat(inputMat, regionOfInterest);
cv::Mat croppedOutputMat(outputMat, regionOfInterest);
bilateralFilter(croppedInputMat, croppedOutputMat, radius, radius*2.0, radius/2.0);
}
else{
bilateralFilter(inputMat, outputMat, radius, radius*2.0, radius/2.0);
}
return qtOpenCVBridge->Mat2QImage(outputMat);
}
/******************************************************************************
* Input argument(s) : QImage *inputImage - Input image for the filter
* const int &radius - Radius of structuring element
* const bool &roiFlag - Flag to enable region of interest
* QRect *roiRect - Region of interest rectangle
* Return type : QImage* - Output image after box filtering
* Functionality : Function to apply normalized box filter on the
* given input image and returns the processed image
******************************************************************************/
QImage *ImageSmootheningFilter::applyNormalizedBoxFilter(QImage *inputImage, const int &radius, const bool &roiFlag, QRect *roiRect) const
{
cv::Mat inputMat = qtOpenCVBridge->QImage2Mat(inputImage);
cv::Mat outputMat = inputMat.clone();
if(roiFlag == true){
cv::Rect regionOfInterest(roiRect->x(), roiRect->y(), roiRect->width(), roiRect->height());
cv::Mat croppedInputMat(inputMat, regionOfInterest);
cv::Mat croppedOutputMat(outputMat, regionOfInterest);
blur( croppedInputMat, croppedOutputMat, cv::Size(radius, radius), cv::Point(-1,-1));
}
else{
blur( inputMat, outputMat, cv::Size(radius, radius), cv::Point(-1,-1));
}
return qtOpenCVBridge->Mat2QImage(outputMat);
}
