Hi, The SoftwareGuide has been updated. http://www . itk . org/ItkSoftwareGuide . pdf Main changes are: 1) A full chapter on the Statistics framework of the toolkit was added by Jisung Kim. 2) Several level set examples were added to the segmentation chapter by Josh Cates. 3) An example on the use of the Hough transform for 2D line extraction was added by Julien Jomier Luis