void KeyPointsDeliverer::calcGradientImages(Mat& mouthImg)
{
double pseudoHuePxl = 0.0;
int luminancePxl = 0;
Mat rTop(mouthImg.rows, mouthImg.cols, CV_8UC1);
Mat rMid(mouthImg.rows, mouthImg.cols, CV_8UC1);
Mat rLow(mouthImg.rows, mouthImg.cols, CV_8UC1);
for (int i = 0; i < mouthImg.rows; ++i) {
for (int j = 0; j < mouthImg.cols; ++j) {
pseudoHuePxl = imageProcessing.pseudoHuePxl(mouthImg, j, i);
luminancePxl = imageProcessing.luminancePxl(mouthImg, j, i);
rTop.at<uchar>(i,j) = (int) (pseudoHuePxl - luminancePxl);
rMid.at<uchar>(i,j) = (int) (pseudoHuePxl - luminancePxl);
rLow.at<uchar>(i,j) = (int) (pseudoHuePxl + luminancePxl);
}
}
double minVal, maxVal;
Mat rTopTemp;
//Sobel(rTop, rTopTemp, CV_32FC1, 0, 1);
Scharr(rTop, rTopTemp, CV_32FC1, 0, 1);
minMaxLoc(rTopTemp, &minVal, &maxVal);
rTopTemp.convertTo(rTopFinal, CV_8UC1, 255.0/(maxVal - minVal), -minVal * 255.0/(maxVal - minVal));
Mat rMidTemp;
//Sobel(rMid, rMidTemp, CV_32FC1, 0, 1);
Scharr(rMid, rMidTemp, CV_32FC1, 0, 1);
minMaxLoc(rMidTemp, &minVal, &maxVal);
rMidTemp.convertTo(rMidFinal, CV_8UC1, 255.0/(maxVal - minVal), -minVal * 255.0/(maxVal - minVal));
for (int i = 0; i < mouthImg.rows; ++i) {
for (int j = 0; j < mouthImg.cols; ++j) {
pseudoHuePxl = imageProcessing.pseudoHuePxl(mouthImg, j, i);
rMidFinal.at<uchar>(i,j) = (int) (rMidFinal.at<uchar>(i,j) * pseudoHuePxl);
}
}
Mat rLowTemp;
//Sobel(rLow, rLowTemp, CV_32FC1, 0, 1);
Scharr(rLow, rLowTemp, CV_32FC1, 0, 1);
minMaxLoc(rLowTemp, &minVal, &maxVal);
rLowTemp.convertTo(rLowFinal, CV_8UC1, 255.0/(maxVal - minVal), -minVal * 255.0/(maxVal - minVal));
}
void FancyLabel::createImageSections(){
int upperMiddle = m_cutHeight - m_sectionHeight/2;
QRect rTop(0, 0,
m_originalImage.width(),
upperMiddle);
m_top = m_originalImage.copy(rTop);
Q_ASSERT(m_top.height() == upperMiddle);
int lowerMiddle = (m_cutHeight + m_sectionHeight/2 +1);
QRect rMiddle(0, upperMiddle +1,
m_originalImage.width(),
lowerMiddle - upperMiddle);
m_middle =m_originalImage.copy(rMiddle);
QRect rBottom(0, lowerMiddle+1,
m_originalImage.width(),
m_originalImage.height() - lowerMiddle);
m_bottom =m_originalImage.copy(rBottom);
}
