Multiple contour extraction from graylevel images using an artificial neural network.

Y. V. Venkatesh S. Kumar Raja Ramya Narasimha Multiple contour extraction from graylevel images using an artificial neural network. 892-899 2006 15 IEEE Transactions on Image Processing 4 http://doi.ieeecomputersociety.org/10.1109/TIP.2005.863934 db/journals/tip/tip15.html#VenkateshRR06