Visualizing the Surface of a Living Human Brain

A proposed method visualizes the surface appearance of living human brain tissue. The goal is to investigate whether realistic models of living anatomy are possible and, if so, whether they provide added value to anatomy education and training simulators. From calibrated photography of exposed brain tissue and suitable alternatives, experiments provided data for a bidirectional reflectance distribution function, which was then used for rendering. Employing a GPU, real-time visualization of the brain's surface supported ambient occlusion, advanced texturing, subsurface scattering, and specularity.

[1]  Guang-Zhong Yang,et al.  Patient-specific bronchoscopy visualization through BRDF estimation and disocclusion correction , 2006, IEEE Transactions on Medical Imaging.

[2]  Guang-Zhong Yang,et al.  Photorealistic modeling of tissue reflectance properties , 2006, Computer aided surgery : official journal of the International Society for Computer Aided Surgery.

[3]  Henrik Wann Jensen,et al.  Light diffusion in multi-layered translucent materials , 2005, ACM Trans. Graph..

[4]  Craig Donner,et al.  Light diffusion in multi-layered translucent materials , 2005, SIGGRAPH 2005.

[5]  Eric Enderton,et al.  Efficient Rendering of Human Skin , 2007 .

[6]  Steve Marschner,et al.  A practical model for subsurface light transport , 2001, SIGGRAPH.

[7]  F. E. Nicodemus Directional Reflectance and Emissivity of an Opaque Surface , 1965 .

[8]  Paul E. Debevec,et al.  Acquiring the reflectance field of a human face , 2000, SIGGRAPH.

[9]  N. John,et al.  Web-based surgical simulation for ventricular catheterization. , 2000, Neurosurgery.

[10]  Henrik Wann Jensen,et al.  A spectral BSSRDF for shading human skin , 2006, EGSR '06.

[11]  Lap Ki Chan,et al.  An analysis of the educational value of low‐fidelity anatomy models as external representations , 2011, Anatomical sciences education.

[12]  Greg Ward,et al.  High dynamic range imaging , 2004, SIGGRAPH '04.

[13]  J. McLachlan,et al.  Teaching anatomy without cadavers , 2004, Medical education.

[14]  Donald P. Greenberg,et al.  Non-linear approximation of reflectance functions , 1997, SIGGRAPH.

[15]  Greg Turk,et al.  Efficient Estimation of Spatially Varying Subsurface Scattering Parameters , 2006 .

[16]  S K Nayar,et al.  Visual appearance of matte surfaces , 1995, Science.

[17]  Bernice W. Polemis Nonparametric Statistics for the Behavioral Sciences , 1959 .