I have googled about this problem and found out some canon cameras has a senor cleaning function which can solve this problem but the g12 doesn't have this function.
Is there a way to fix it with installing CDHK on my g12??
Sensor cleaning normally refers to removing dust on the sensor. Hot pixels are defects in the sensor itself, which wouldn't be affected by cleaning.
Quote from: biscottiz on 26 / November / 2019, 07:16:23I have googled about this problem and found out some canon cameras has a senor cleaning function which can solve this problem but the g12 doesn't have this function. Sensor cleaning normally refers to removing dust on the sensor. Hot pixels are defects in the sensor itself, which wouldn't be affected by cleaning.QuoteIs there a way to fix it with installing CDHK on my g12??No. Unfortunately, CHDK badpixel correction only works for stills, not video.It's possible that Canon service could do something about it. The cameras have an internal badpixel list that we have not successfully reverse engineered.
Canon DSLR and probably also the M's have a hidden mode for the removal of hot pixels.If you start the sensor cleaning manually with the lens removed, the hot pixels are also re-analyzed and deleted.
If the CHDK supported M's do in fact do this, it would be interesting to have before and after ROM dumps from a camera that had visible hot pixels.
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