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Review: Raw Therapee 1.1 promises robust photo conversion

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Software

Raw Therapee is a free RAW photo converter application developed single-handedly by Gábor Horváth. It has been available on Windows for some time, but on October 11, Horváth released the first build for Linux. If you are familiar with other graphical RAW converters, such as UFRaw, you will feel quite at home using Raw Therapee.

You can download Raw Therapee built for either libc6 or libc5 Linux systems. If you are not sure which you need, try the libc6 version first. The package is a gzipped tar archive containing compiled binaries and support files. That's right -- no source as of right now. Horváth told me he is still debating what approach to take regarding licensing.

Like so many of its contemporaries, Raw Therapee uses Dave Coffin's dcraw for its RAW file format support, and therefore sports an impressive list of supported cameras.

For image demosaicing, Raw Therapee uses EAHD, Horváth's variation on the Adaptive Homogeneity-Directed (AHD) algorithm first popularized by Keigo Hirakawa. Demosaicing is a core process in RAW conversion, and is perhaps the more widely debated topic among RAW aficionados. Horváth provides a comparison set showcasing results from Raw Therapee, Adobe Camera RAW, Nikon Capture, RawShooters Essential, Bibble Pro, Capture One Pro, Silkypix, and UFRaw side by side.

Tools and basic usage

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