@inproceedings{LNCS86890313,
   editor    = {David Fleet and Tomas Pajdla and Bernt Schiele and Tinne Tuytelaars},
   booktitle = {Computer Vision -- ECCV 2014},
   publisher = {Springer},
   location  = {Heidelberg},
   series    = {Lecture Notes in Computer Science},
   volume    = {8689},
   year      = {2014},
   isbn      = {978-3-319-10589-5},
   doi       = {10.1007/978-3-319-10590-1_21},
   author    = {Xavier P. Burgos-Artizzu and Matteo Ruggero Ronchi and Pietro Perona},
   title     = {Distance Estimation of an Unknown Person from a Portrait},
   pages     = {313--327}
}