Wavelet Rasterization Josiah Manson and Scott Schaefer.

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Presentation transcript:

Wavelet Rasterization Josiah Manson and Scott Schaefer

Rasterization in 2D KarensWhimsy.com

Rasterization in 3D Drububu.com

The aliasing problem

Anti-aliasing

Pixel Raster Equation

Applications

“A Multiscale Approach to Mesh-based Surface Tension Flows” Nils Thuerey, Chris Wojtan, Markus Gross, and Greg Turk

Haar Wavelets 01 1 Φ

Haar Wavelets ΦΨ

Haar Wavelets

+

++

+++

2D Haar Wavelets

=

=+

Why Wavelets?

GPU AGGWavelet

Calculating Wavelet Coefficients

Choosing F

Line Segments

Details in paper

The Algorithm, Step-by-step

Bézier Curves

Results FreeTypeWaveletsDifference

Results

Progressive Rasterization

Results

Speed

The Future Use higher order wavelets Implement on GPU Progressive rasterization

Conclusion Accurate Robust Fast Memory efficient

Bézier Curves

Details in paper

3D Formulation

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