Scaling images to a uniform resolution
Kei-Lin Ooi at the University of Melbourne has a very good question about batch resizing (excerpted from an email): I am using images from online databases and thus the images are not standardized.
Recolorize & patternize workflow
How to combine the recolorize and patternize packages to perform quantitative color pattern analyses.
Recolorize: Color-based image segmentation (for people with other things to do)
Demo of recolorize, a package for color segmentation.