1. A method of estimating at least one dimension of a target object within a digital image which includes a reference object and one or more pane ancillary objects for aiding in determining the dimension of the target object, the method comprising: obtaining a digital image containing the target object, reference object and one or more pane ancillary objects; locating the reference object in the digital image; calculating a pixel scale factor based on both measured and known dimensions of the reference object; locating the one or more pane ancillary objects and a corner or edge thereof in the digital image; locating the target object in the digital image utilizing the corner or edge of one or more pane ancillary objects; and calculating the at least one dimension of the target object in accordance with the pixel scale factor.