A picture of some alpacas in a field near Eynsham. Unfortunately, the camera was set to iso400 because I'd been taking pics in dull light and in interiors - this has led to some noise in the 'shadow' shot. For these pics I have used gimp-2.9 from 2017-06-26 - at that time ufraw was still accepted as a plugin for my raw files.
First, the camera's own jpeg, resized to 900 pixels high. |
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Second, from the raw photo at 0EV : a bit too dark. |
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Third, from the raw photo at +1EV : a better "correct" value. |
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Fourth, add +2EV to "correct" for any shadow detail, so actually +3EV. |
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Fifth, subtract 2EV from "correct" for any highlight detail, so actually -1EV. |
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At last, use the "Three Exposures" filter. |
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Seventh, G'MIC Local contrast enhancement filter. |
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Eighth, the Advanced Tone Mapping filter. |
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Ninth, use the curves tool for a bit more contrast. |
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Finally, sharpen with the GEGL Unsharp Mask. |