@article{interactive_normal_sig_asia08,
 author = {Wu, Tai-Pang and Sun, Jian and Tang, Chi-Keung and Shum, Heung-Yeung},
 title = {Interactive normal reconstruction from a single image},
 journal = {ACM Trans. Graph.},
 volume = {27},
 number = {5},
 year = {2008},
 issn = {0730-0301},
 pages = {1--9},
 doi = {http://doi.acm.org/10.1145/1409060.1409072},
 publisher = {ACM},
 address = {New York, NY, USA},
 }