Ray Tracing Bezier Surface - IIIT Hyderabad

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IIIT HyderabadBezier Surfaces• Most basic form of parametric surfaces• Described as:Q(u,v) = [U][M][P][M] T [V] Twhere [U] = [u 3 u 2 u 1] and [V] = [v 3 v 2 v 1], 0 ≤ u,v ≤ 1[M] : Bezier Basis Matrix[P] : set of 16 Control Points defining the patch
IIIT HyderabadRendering Bezier Surfaces• Tessellation based approches– Eisenacher et al.(2009) :View Dependent Adaptive Subdivision• Direct Ray Tracing– Geimer et al.(2005) :Newton Iteration– Pabst et al.(2006) :Bezier Clipping + Newton Iteration
Page 1 and 2: IIIT HyderabadHybrid Ray Tracing an
Page 3: IIIT HyderabadParametric Surface: M
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Page 9 and 10: IIIT HyderabadGeimer 2005• Based
Page 11 and 12: IIIT HyderabadMixed Hierarchy Advan
Page 13 and 14: IIIT HyderabadGPU Implementation•
Page 15 and 16: IIIT HyderabadHybrid Ray TracingGen
Page 17: IIIT HyderabadResults (Primary+Seco
Page 20 and 21: IIIT HyderabadPath TracingBigguy in
Page 22 and 23: IIIT HyderabadPath TracingBigguy in
Page 24 and 25: IIIT HyderabadConclusions• A mixe
Page 26: IIIT HyderabadResultsIntel i7 920 +

Ray Tracing Bezier Surface - IIIT Hyderabad

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