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I would like to know a software which helps in post-production to calculate the general color/tone difference of 2 images. The images contain the same object, but arn't shot from the same position. One image might be sunny, the other cloudy, so one is more orange/yellow, the other more grey/blue, but the same object.

How would you align the tone of the image?

Background info: i shoot a couple of hundreds of images to produce textures for my models, the objects are outside, so weather conditions can change at any time, shooting must continue. I do photogrammetry, so I use the images to project them on the geometry and bake them in a UV Map. So in general I have a chunk of images made in sunny condition and another in cloudy. I would like to apply a tone to all cloudy images, having similar tone like in the sunny images.

It's not about HDR.

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This is where software such as GIMP or Photoshop come into play. There's going to be plenty of tutorials covering subjects such as image correction, replacing background objects, etc...

If I were doing this in Photoshop for example, it would be trivial to load both images into separate layers and then correct them to match.

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  • \$\begingroup\$ Thanks, that helped. I found Lightroom to be usefull to automatically apply white-balancing on many files. For next shooting I will use a color-palette to adjust illumination conditions. \$\endgroup\$ – Markus Siebeneicher Dec 18 '13 at 11:45

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