Limitations Big problems doesn't work for shiny things, semi-translucent things shadows, inter-reflections Smaller problems camera and lights have to be distant calibration requirements –measure light source directions, intensities –camera response function Newer work addresses some of these issues Some pointers for further reading: Zickler, Belhumeur, and Kriegman, Helmholtz Stereopsis: Exploiting Reciprocity for Surface Reconstruction. IJCV, Vol.
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