We are monitoring cliff-breeding vultures. We may have a single photo with one nest, or with multiple nests. We have taken photos at the nesting stage and now we want to match these to the same nests a few months later, some of which have chicks, so we can measure breeding success. Is there any software that can recognize the same nest site between 2 or more photos (taken from slightly different angles), and then lay the images on top of each other, or otherwise project them in a before-and-after scenario, so that we can more easily assess breeding success?
Are you looking for something like automatized image detection to compare? If so, there is a program called ImageJ, it allows to compare pictures under different criteria, in your case, time (months). Furthermore, they already exist some R packages allowing to compare pictures or picture patterns to make them comparable as well as the vignettes associated to the packages, if you search elsewhere you will found some useful information about them.
By the way, here is a paper assesing the use of well-known imagery platform to monitoring vultures (Egyptian vulture) (see Assessing species habitat using google street view: a case study of cliff-nesting vultures, 2013, PloS One). Cheap and useful method to monitor cliff nesting species along time basing in google earth imagery.
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