For this purpose I use PTgui, a program meant for panorama assembly, but which can also align a stack of images.
On the other hand, I've found that recent software is getting so good that it can handle handheld images with little or no additional effort: images are deformed to match properly and work fine if you have held the camera properly.Įvery single one of the methods I describe below require a proper alignment procedure. Images taken from a stable tripod by rotating the camera around its nodal point will need no or little deformation to match properly during the alignment phase. Special software is used to perform those feats.Īs usual with photography, and particularly panoramic photography, a tripod is a very worthy addition in every instance. The two main problems with combining images are the alignment of the images (so that lines and curves stay regular) and the blending (so that colors don't show sudden changes). Why ? There are several different reasons to want to perform image combinations: either to create an image which you cannot directly take with your photographic equipment (such as a widefield panorama) or to create a better image than what the equipment allows (for instance a higher dynamic range).
Ptgui price how to#
On this page I'll discuss how to start from several images and combine them in order to end up with a single, hopefully better, image. Some images available on a royalty-free compilation CD."The photographer who combines scientific method with artistic skill is in the best possible position to do the good work." - Ferdinand Hurter.
Text and pictures © 2006-2022 Guillaume Dargaud
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