@article {Laffont14,
    title = {Transient Attributes for High-Level Understanding and Editing of Outdoor Scenes},
    author = {Pierre-Yves Laffont and Zhile Ren and Xiaofeng Tao and Chao Qian and James Hays},
    journal = {ACM Transactions on Graphics (proceedings of SIGGRAPH)},
    volume = {33},
    number = {4},
    year = {2014}
}