2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33064We give a systematic, abstract formulation of the image normalization method as applied to a general group of image transformations, and then illustrate the abstract analysis by applying it to the hierarchy of viewing transformations of a planar object.33 pages, plain tex, no figuresComputer Vision and Pattern RecognitionI.2.10, I.4.7, I.4.8text