1. A method of comparing at least two images, each image capturing a suspect area, the method comprising: identifying a reference item in the at least two images; measuring an attribute of the reference item in a first image; transforming a second image based on the measured attribute of the reference item in the first image using a transformation algorithm performed by a computing system, wherein a reference item in the second image is transformed to correspond with an orientation and size of the reference item in the first image; measuring an attribute of the suspect areas in both images; and comparing the respective measured attributes of the respective suspect areas.