So I'm not too familiar with hardware hacking such as CHDK. However, I'm looking to learn enough to implement a way to swap red and blue channels for IR photography on my A3300IS PowerShot camera.
My ultimate end goal would be to have an option to toggle the live view on and off with this color swap feature, so I can have an idea of what my future image will look like in post processing.
A possible alternative approach would be reverse engineer the Canon "my colors" functionality, which presumably is done by digic hardware. I'm not aware of any significant work in this area, so it would likely be a significant reverse engineering effort, and it may or may not be programmable enough to do what you want.
Where is the "my colors" functionality located? Is this a feature built into the camera that happens in the background or something that any user can experiment with?
Instead of modifying the live view data, lets say I take an approach where I manipulate the DNG data. Is it possible to view the color swapped image in the camera preview menu then?
My main goal is to get an idea of what the final image might look like with swapped Red and Blue channels. I don't want to modify the actual image, unless it is easy to undo later.
I also have no idea where to begin reverse engineering such things. My knowledge of assembly and low level languages is very limited.
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