Alley in Pisa, Italy

by Lars Kotthoff

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"Best" depends on what you're looking for in post-processing software, but a few of the more popular open source packages you could look at using would be: The GIMP with dcraw. The GIMP is the open-source alternative to Photoshop, and has a very deep and sophisticated feature set, with quite a bit more control than you could find in Picasa. Tutorials are ...


GIMP + dcraw plugin. Simple to use and have everything you need. Here is GIMP and here is dcraw.


RawTherapee is quite good and "feature packed" and works on multiple platforms.One of its strengths has always been its excellent highlight recovery. In addition, it added last year two demosaicing algorithms optimized for noisy images. I tested them and they a markedly superior to anything else out there.


Blues turn purple when the saturation of the blue is reduced in LAB because LAB is not perceptually uniform. See In your first picture, the sky is already very saturated in the "before" version. I also saw that you have the saturation setting pumped up. I have no idea what color space Photomatix ...


You would convert the image to the sRGB color profile. This profile is indended to match the color capabilities of a monitor. This is commonly used for images that are used in web pages, and for example offered as an option when exporting images for web in Photoshop. By converting the image to sRGB the color profile can be omitted from the file, which ...


The simplest path is to use Camera Raw plugin which is shipped with Photoshop. In Photoshop CC there is an entry in the Filter menu called 'Camera Raw Filter' (note that there are other ways to invoke it - for example, for raw files it runs automatically when you try to open the file). Run the filter and play with the 'Clarity', 'Vibrance' and (less with) ...


You could also try to use lower level image processing software, like e.g. ImageJ. Just split the picture into the separate color channels, perform whatever mathematical manipulations you want on the pixel values and then combine the channels.


You can adjust saturation: I would use Lightroom. It is much easier to use for photography


You can't. Lightroom (LR) ignores the in camera settings that were in effect at the time the photo was taken and applies its own preset or auto settings. When you first open a RAW file with Digital Photo Professional (DPP) applies the in-camera settings that were active at the time the image was recorded to the preview you see on your screen. If you are ...

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