@inproceedings{albuquerque2007QPC,
    author = {Albuquerque, Georgia and Stich, Timo and Magnor, Marcus},
    title = {Qualitative Portrait Classification},
    address = {Saarbr{\"{u}}cken, Germany},
    booktitle = {Proc. Vision, Modeling and Visualization {(VMV)} 2007},
    editor = {{H.P.A.} Lensch and {B.} Rosenhahn and {H.-P.} Seidel and {P.} Slusallek and {J.} Weickert},
    pages = {243--252},
    month = nov,
    year = {2007}
}