Descriptor ColorStructure::extract_(MyImage *image,
bool makeVisRep,
Magick::Image *repr){
cv::Mat &img = *image->getOpenCVMat();
Frame* frame = new Frame(img);
XM::ColorStructureDescriptor *ehd = Mpeg7Feature::getColorStructureD(frame, 64);
Descriptor desc;
for(size_t i = 0; i < ehd->GetSize(); ++i)
desc.push_back((float) ehd->GetElement(i));
return desc;
}
Descriptor ScalableColor::extract_(MyImage *image,
bool makeVisRep,
Magick::Image *repr){
cv::Mat &img = *image->getOpenCVMat();
Frame* frame = new Frame(img);
const size_t dsize = 256;
XM::ScalableColorDescriptor *scd = Mpeg7Feature::getScalableColorD(frame, true, dsize);
Descriptor desc;
for(size_t i = 0; i < dsize; ++i)
desc.push_back((float) scd->GetCoefficient(i));
return desc;
}
Descriptor EdgeHistogram::extract_(MyImage *image,
bool makeVisRep,
Magick::Image *repr){
cv::Mat &img = *image->getOpenCVMat();
Frame* frame = new Frame(img);
XM::EdgeHistogramDescriptor *ehd_ = Mpeg7Feature::getEdgeHistogramD(frame);
XM::EHD *ehd = ehd_->GetEdgeHistogram();
Descriptor desc;
for(int i = 0; i < 80; ++i)
desc.push_back((float) ehd->Local_Edge[i]);
return desc;
}
Descriptor ColorLayout::extract_(MyImage *image,
bool makeVisrep,
Magick::Image *repr){
cv::Mat &img = *image->getOpenCVMat();
Frame *frame = new Frame(img);
XM::ColorLayoutDescriptor *xmdesc =
Mpeg7Feature::getColorLayoutD(frame);
size_t nY = xmdesc->GetNumberOfYCoeff();
size_t nC = xmdesc->GetNumberOfCCoeff();
int *YCoeff = xmdesc->GetYCoeff();
int *CbCoeff = xmdesc->GetCbCoeff();
int *CrCoeff = xmdesc->GetCrCoeff();
// write coefficients to single descriptor
Descriptor desc;
for(size_t i = 0; i < nY; i++)
desc.push_back((float) YCoeff[i]);
for(size_t i = 0; i < nC; i++)
desc.push_back((float) CbCoeff[i]);
for(size_t i = 0; i < nC; i++)
desc.push_back((float) CrCoeff[i]);
return desc;
}
Descriptor HomogeneousTexture::extract_(MyImage *image,
bool makeVisrep,
Magick::Image *repr){
cv::Mat non_gray = *image->getOpenCVMat();
cv::Mat img = Mat( non_gray.rows, non_gray.cols, CV_8UC1);
cvtColor(non_gray, img, CV_BGR2GRAY);
Frame *frame = new Frame(img.rows, img.cols, false, true, false);
frame->setGray(img);
XM::HomogeneousTextureDescriptor *xmdesc =
Mpeg7Feature::getHomogeneousTextureD(frame, true);
Descriptor desc;
for(int i = 0; i < 62; ++i)
desc.push_back((float) xmdesc->feature[i]);
delete xmdesc;
return desc;
}
Descriptor DominantColor::extract_(MyImage *image,
bool makeVisRep,
Magick::Image *repr){
cv::Mat &img = *image->getOpenCVMat();
Frame* frame = new Frame(img);
XM::DominantColorDescriptor *dcd =
Mpeg7Feature::getDominantColorD( frame , false ); // don't normalize
size_t nColors = dcd->GetDominantColorsNumber();
XM::DOMCOL *colors = dcd->GetDominantColors();
cout << "we've got: " << nColors << " dominant colors" << endl;
Descriptor desc;
for(size_t i = 0; i < nColors; ++i){
cout << "color " << i << " percentage: " << colors[i].m_Percentage;
for(size_t j = 0; j < 3; ++j){
cout << " " << j << " " << colors[i].m_ColorValue[j];
desc.push_back((float) colors[i].m_ColorValue[j]);
} // for j
cout << endl;
} // for i
desc.resize(24, 0.0);
return desc;
}
