@article{Bell:2013:ORA:2461912.2462002, author = {Bell, Sean and Upchurch, Paul and Snavely, Noah and Bala, Kavita}, title = {OpenSurfaces: a richly annotated catalog of surface appearance}, journal = {ACM Trans. Graph.}, issue_date = {July 2013}, volume = {32}, number = {4}, month = jul, year = {2013}, issn = {0730-0301}, pages = {111:1--111:17}, articleno = {111}, numpages = {17}, url = {http://doi.acm.org/10.1145/2461912.2462002}, doi = {10.1145/2461912.2462002}, acmid = {2462002}, publisher = {ACM}, address = {New York, NY, USA}, keywords = {crowdsourcing, materials, reflectance, textures}, }