![]() You may have noticed that the histogram was getting a bit beaten up with all those changes, making big changes to exposure tends to create ‘noise’ in your images. Which I thought was a little overexposed, so I changed the opacity to ~75%, giving me this… After making a duplicate of my Color Curves layer ( Layer->Duplicate Layer), I went to Colors->Levels and pulled the white toggle to the left… Next I needed to lighten up my image a bit. I just kept tweaking the two channels until I thought it looked ‘right’, which gave me this… I clicked on an area of my dog’s face that is white…īy pulling the red down I created more Cyan, and by pulling the blue up I created more Blue… The cursor becomes any eyedropper so you can click on a specific area of your image and when you change the channel there will be a line indicating where that change would take place in each of the channels – it’s really helpful. Whereas, the Blue Channel allows you to adjust Blue and Yellow. ![]() Likewise, the Green Channel allows you to adjust Green and Magenta. In the Red Channel you can move the curve up to make your image more Red, or you can move your curve down to make it more Cyan. Normally you would just adjust the exposure by moving the curve, but if you use the Channel: Value drop menu you can change the Red, Green, and Blue channels separately to change the color of your image… Then go to Colors->Curves, you will get this adjustment window… I always make a copy of the layer I’m working on so that if I don’t like what I’ve done, I can go back. The curves module will also allow you to play with the Red/Green/Blue Channels to adjust your image color. I’ve talked about Color Curves briefly here (Pat David has a great tutorial on color curves). ![]() Mostly I reduced the red and increased the blue to make the white balance a bit less yellow.īut the real magic was achieved in GIMP, which is why after 8 months of using GIMP I am still an advocate. DarkTable has a lot of the features you might find in LightRoom… I tend not to use it as much because I was trying to use software that was available to all platforms for my tutorials, DarkTable is not available for Windows.Īs you can see I was able to make a bit of a change using the White Balance Toggles… I used DarkTable this time (instead of UFRaw) because I wanted to see if I could fix the white balance any easier by playing with the WhiteBalance toggles (also UFRaw requires a Raw image, this was a jpg). I used Open Source Software and a few plug-ins… Additionally, I removed some noise, lightened my pup’s face a bit, including making her eyes seem less bloodshot, and then I removed some distracting elements from the corners. Originally the image was a bit yellow and it was a jpg image so changing the white balance took a few tweaks. I did a few things to this image to ‘fix’ it. I should be doing other things right now, but I really felt like making a tutorial today because… 1) I want to avoid doing those other chores, 2) some of the things I did to ‘fix’ the image were rather cool, 3) I want to have it written down somewhere so that if in the future I want to remember what I did I can refer back to this post, and 4) hopefully you will get something out of this post that will help you ‘fix’ one of your images.
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