Printing spatiallyvaryingreflectanceforreproducinghdr images

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    22-Jun-2015

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<ul><li> 1. Printing Spatially-VaryingReflectance for ReproducingHDR ImagesSiggraph 2012 </li></ul> <p> 2. HDR Image Glossy 3. Tone Mapping Direct3D http://msdn.microsoft.com/ja-jp/library/bb173484%28v=vs.85%2 log exp log 0 HDR 4. HDR display DLP LED Multiple stacked transparent slides 5. BRDF Glossy Matsusik 09) HDR BRDF Ink 6. BRDF Bidirectional Reflectance DistributionFunction( 7. Printing Spatially VaryingBRDFs for HDR Images Printing Hardware CMYK+white (HP Indigo 5500) c=(r,g,b,w) BRDF c 8. Printing Spatially VaryingBRDFs for HDR Images BRDF(c) BRDF ck BRDF c 5 16bit RGBW 5120x5120 20x20 BRDF RGBW 9. Viewing Conditions T= V(t)={v(t),E(t)} : 0tT v(t), E(t) v(t),E(t) 10. Exposure and InkCombination Optimization HDR Ih(x) Ink Combination c(x) s(t) HDR BRDF c(x) HDR Ih 11. Exposure and Ink Combination Optimization HDR BRDF c(x) HDR Ih log *( )* 2 12. Exposure and InkCombination Optimization Initialization ( ) Ink Optimization Exposure Optimization 13. Exposure and InkCombination Optimization Ink Optimization HDR ANN(Approximate Nearest Neighbor) 14. Exposure and InkCombination Optimization Exposure Optimization BRDF 15. Iterative Optimization c(x),s(t) Ink Optimization Exposure Optimization 16. Results 768x768, 20 10sec Xeon 2.8GHz HP Indigo 5500 : A4, 700DPI 1 Canon 5D MarkII 17. Results 18. Results 19. Results 20. Results 21. BRDF 22. BRDF </p>