In-camera processing of long-exposure RAW data

Started Jan 21, 2010 | Discussions thread
OP Marianne Oelund Veteran Member • Posts: 7,779
Demonstration of Modified Algorithm

I've created a modified version of the hot-pixel suppression algorithm, and used it to process the same image file which I presented in the original post. A few hot pixels were artificially added to the original file in order to test the modified algorithm's ability to suppress them. It isn't designed to remove hot pixels entirely; you will see that there are vestiges, but they're not visually distracting. Otherwise, the input file is largely undisturbed, in contrast to the camera's result.

Here is the result, alongside the camera's "After processing" image for comparison:

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