Photo KDE Tutorial 1-3: White balance
This is the 3rd tutorial in this series, trying to show how effective KDE photography applications can be for fixing and/or improving your photographs overall. In the first and second tutorials we addressed light exposure issues. Ie, we addressed photos that had regions gone too dark or too bright, and we showed how to fix them using either the levels tool or the curves tool.
In this third part we will continue addressing the light issues, but we will target color issues rather than brightness issues.
So lets begin!
Most of the times we use our cameras outdoors. Light is nice, sun shines, and we get nice pictures out of our cameras. But sometimes we need to take pictures indoors, in parties or conferences, and light conditions aren't the best. We even take pictures with flash, sometimes. So what's the problem? - you will ask. Well, many times when taking photos the effect goes unnoticed, but indoor lights are either tungsten lights (yellowish or orangeish) or fluorescent lights (more bluish), and depending on the light conditions, the photo results vary a lot.
Lets see the following example, from Akademy 2008 pictures, kindly donated by Sebastian Kügler for this tutorial:
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