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> The better alternatives ... e.g. http://hhoppe.com/filtering.pdf http://hhoppe.com/filtering.pdf

• a_e_k 9y ago
  The "Sampling and Reconstruction" chapter from PBRT is also pretty good. The authors have placed the 1st-edition version online as a sample chapter: http://www.pbrt.org/chapters/pbrt_chapter7.pdf http://www.pbrt.org/chapters/pbrt_chapter7.pdf