Digitizing the Unscannable: 3D Acquisition of Intangible Phenomena and Objects with Challenging Surface Characteristics, Ivo Ihrke
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Standard range scanning techniques work well for approximately Lambertian
reflectors, but large classes of objects can currently not be scanned robustly. Specular and refractive objects pose challenges to range scanning because the surface cannot be observed directly. Translucent objects exhibit significant effects of global light transport, while volumetric phenomena like fire, smoke and gas flows do not have a proper surface. In the talk I will give an overview of my work in this area. I will discuss computed tomography as a useful tool in acquiring volumetric phenomena and discuss ways of dealing with and exploiting refraction for real-world object digitization.