This is a decent quality and relatively fast method. The current default X-Trans demosaicing is done via a VNG demosaic. The “method” sets how darktable processes what the sensor sees (a mosaic of red, green, and blue) into a color image. For Bayer images, the module looks something like this:įor X-Trans images, you will see a simpler set of options: The demosaic module has different options when you are working with an X-Trans image.
There will be more technical information about this processing in a second blog post. The X-Trans sensor uses an exotic design (unlike the Bayer pattern which is in most cameras), and hence darktable must use different math to process what the sensor records. There are a few differences, though, in the case of the X-Trans sensor. Using darktable with Fujifilm cameras is similar to using it with any other camera’s raw files. Previously, darktable would fail to read RAF-type raw files produced by these cameras.
There is now a development branch of darktable with experimental support for raw files from many recent Fujifilm cameras.
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