Saturday, 1 December 2018

photoshop - How can I make PhotoMerge work with very dark sections?



Recently, I've been experimenting with stitching together images using Photoshop CS4's PhotoMerge feature. It has always work well except for my most recent attempt. This one was at night (which is where I do the bulk of my work) and I thought I had overlapped the images sufficiently.


Here's what the merge looked like:


Bad Merge


Visually, I can see how the "extra" images should be stitched together but I guess Photoshop CS4 couldn't handle it.


Is Photoshop CS6 any better at this? Are there any other tools (Macintosh) that could handle this?



Answer



The last major improvement to PhotoMerge that I'm aware of was in CS4, so CS6 is unlikely to be significantly better.


There are many other panorama stitching tools available for Macs, but I would suggest that you try Hugin which is free and allows you to manually add control points (which are how the software identifies which parts of different images are supposed to match up).


If this isn't sufficient to get you a usable panorama then I would suggest that you ensure you are using as many of the techniques described in this question as possible and also increase the amount of overlap you have, 50% isn't necessarily excessive.


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