I'm trying to find out how "Bad Pixel Removal" works for CHDK RAW on a g9 (not DNG'd yet), and I can't find all the information I need on the wiki or forum. Maybe I haven't used the right search yet?
If I understand the process, I have to create a bad pixel file first. To do this, I would:
1. Take a dark-frame image (or 2 or 3 -- this is a g9, which may have CHDK RAW problems) at the speed I'd like to have corrected.
2. Download "show_bad.zip" from ewavr's website.
3. Using Windows, run "show_bad raw_file.CRW X > badpixel"
4. Convert "badpixel" from ms-dos to unix format and strip out any data after the first two numbers.
5. Move "badpixel" to my SD card in the /CHDK/ folder.
Now the "Bad Pixel Removal" menu entry should do something when I enable it. OK, but it has two settings: "Average", and "RAWconv". What is the difference? What factors would go into my choice of one or the other?
Thanks for taking the time to read this.