@article{nguyen2015guidingcollections,
 author = {Nguyen CH, Nalbach O, Ritschel T, Seidel H-P},
 title = {Guiding Image Manipulations using Shape-appearance Subspaces from Co-alignment of Image Collections},
 year = {2015},
 journal = {Computer Graphics Forum (Proc. Eurographics)},
 volume = {34},
 number = {2},
}