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variable radii poisson-disk sampling

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Variable Radii Poisson-Disk Sampling • Maximal Poisson-Disk Sampling is a particular statistical process for generating separated-yet-dense point clouds – Similar-yet-different from Delaunay Refinement and sphere packings better output properties for certain apps • Motivation – Hot topic in Computer Graphics • for texture synthesis – Voronoi meshes for fracture mechanics • Two Contributions – Lipschitz conditions for spatially varying radii • Necessary condition for certain Graphics algs to work – New two-radii definition decoupled coverage and inhibition radii • Better “blue noise” • More random refinements FF Scott A. Mitchell, Alexander Rand, Mohamed S. Ebeida, Chandrajit Bajaj Session 4B, Thursday Aug 9, 11:30-11:50 coverage exclusion x Two-radii MPS Classic MPS

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FF. Variable Radii Poisson-Disk Sampling. Scott A. Mitchell, Alexander Rand, Mohamed S. Ebeida, Chandrajit Bajaj Session 4B, Thursday Aug 9, 11:30-11:50. Maximal Poisson-Disk Sampling is a particular statistical process for generating separated-yet-dense point clouds - PowerPoint PPT Presentation

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Page 1: Variable Radii Poisson-Disk Sampling

Variable Radii Poisson-Disk Sampling

• Maximal Poisson-Disk Sampling is a particular statistical process for generating separated-yet-dense point clouds

– Similar-yet-different from Delaunay Refinement and sphere packingsbetter output properties for certain apps

• Motivation– Hot topic in Computer Graphics

• for texture synthesis– Voronoi meshes for fracture mechanics

• Two Contributions – Lipschitz conditions for

spatially varying radii• Necessary condition for certain Graphics algs to work

– New two-radii definition decoupled coverage and inhibition radii

• Better “blue noise”• More random refinements

FF

Scott A. Mitchell, Alexander Rand, Mohamed S. Ebeida, Chandrajit BajajSession 4B, Thursday Aug 9, 11:30-11:50

coverage

exclusionx

Two-radii MPS

Classic MPS

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