CS 384g Computer Graphics Pretty picture (wavelet radiance)

Fall 2004


Cubic Filters

Please download "Reconstruction Filters in Computer Graphics" by Mitchell and Netravali (PDF format). High-quality versions of the figures are shown below:


Figure 4. Prealiasing and Postaliasing Example


Figure 5. Nearly Ideal Postfiltering


Figure 6. Ringing Caused By Sinc Postfilter


Figure 8. Sample-Frequency Ripple


Figure 9. Anisotropic Artifacts


Figure 10. Excessive Ringing and Clamping Artifacts


Figure 11. Excessive Blurring


Figure 12. Best-Looking Cubic Reconstruction


Figure 15. Using Derivative Reconstruction


Figure 16. Using Notch-Filter Reconstruction