trees {treethresh} | R Documentation |
Greyscale image of 512 x 512 pixels showing tree close to Swellendam, Western Cape, South Africa. The image was used as an example in Evers and Heaton (2009).
tiles
Evers, L. and Heaton T. (2009) Locally adaptive tree-based tresholding.
data(trees) image(trees, col=grey(seq(0,1,length.out=64)))