4802-5-2: Interpolation and Minification

Weblinks gathered by Moe Ribble

Summary

This lecture focused on two major topics: interpolation of images and minification of images.

Interpolation

Often we wish to increase the resolution of an image, the values of the new pixels may be found by interpolation between neighboring pixels in the image. The following links provide information on interpolation:

• http://sepwww.stanford.edu/sep/prof/pvi/conj/paper_html/node12.html explains nearest neighbor interpolation. [2]
• http://www.gamedev.net/reference/articles/article810.asp explains BiLinear/Triangle interpolation. [4]

Minification

Minification is the process of deducing an image's size. One of the most common problems during this problem is aliasing artifacts. The following links provide information on minification:

• http://rsuss1.rnd.runnet.ru/glspec/glspec1.1/node83.html does a good job of explaning minification that is done has to be done in real time such as in the OpenGL API. [3]
• http://graphics.stanford.edu/courses/cs348b-97/antialiasing/supersamplingHO.html takes a mathamatical approch towards explaining supersampling which can be used to get rid of aliasing. [2]

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