Function get_level0

examples/mcf_levelsets2d.cpp:52–57

// Retrieve the curve corresponding to the zero level set of the distance function.
template<typename T>
CImg<unsigned char> get_level0(const CImg<T>& img) {
  CImg<unsigned char> dest(img);
  CImg_2x2(I,T); Inn = 0;
  cimg_for2x2(img,x,y,0,0,I,T) if (Icc*Inc<0 || Icc*Icn<0) dest(x,y) = 255; else dest(x,y) = Icc<0?100:0;
  return dest;
}

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