@INPROCEEDINGS{Tan04shape-enhancedsurgical,
    author = {Kar-han Tan and James Kobler and Rogerio S. Feris and Paul Dietz and Ramesh Raskar},
    title = {Shape-Enhanced Surgical Visualizations and Medical Illustrations with Multi-Flash Imaging},
    booktitle = {In International Conference on Medical Imaging Computing and Computer Assisted Intervention (MICCAI’04},
    year = {2004}
}