@InProceedings{singaraju2008interactive, author = {Dheeraj Singaraju and Leo Grady and Ren\'{e} Vidal}, title = {Interactive Image Segmentation of Quadratic Energies on Directed Graphs}, booktitle = {Proc. of CVPR 2008}, year = 2008, month = {June}, organization = {IEEE Computer Society}, publisher = {IEEE} }