@article {IOPORT.50086085,
    author       = {Ablavsky, Vitaly and Sclaroff, Stan},
    title        = {Layered graphical models for tracking partially occluded objects},
    year         = {2011},
    journal      = {IEEE Trans. Pattern Anal. Mach. Intell.},
    volume       = {33},
    number       = {9},
    pages        = {1758-1775},
    identifier   = {50086085},
}