Fuji X-E2 image problems

Started 10 months ago | Discussions thread
bigpigbig
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Re: Fuji X-E2 image problems
In reply to Daniel Lauring, 10 months ago

Daniel Lauring wrote:

bigpigbig wrote:

According to wikipedia:

"In digital photography, the raw file plays the role that photographic film plays in film photography. Raw files thus contain the full resolution (typically 12- or 14-bit) data as read out from each of the camera's image sensor pixels."

This would imply no noise reduction in the RAW file. Simply data from each photosensitive site. Covered with a RGB filter then light converted to electrical charge and quantified.

stimpy wrote:

They all apply NR but not to this degree. It certainly seems to be worse with the X-E2 in my experience. It doesn't help that my wife has freckles...

Might be the definition but the reality I suspect is something else. For example the engine that reads the values does some signal to noise processing during the read operation. I suspect there is some other intelligent stuff going on to extrapolate or interpolate sensor values from surrounding sensors. One specific example, would be mapping out bad pixels.

I could be wrong, but remember, we are talking about an individual photosensitive site with either a red, green or blue filter over it converting photons that pass through into electrical energy. At that level there is no "noise". Noise happens at the stage when pixels are created (jpg or tiff files RAW files have no pixels) when there is not enough information at the photosensitive site and its surrounding sites to accurately create a color.

I am fairly certain about this. I am always willing to learn and have my mind changed.

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