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0
votes
1answer
271 views

How is f-stop a measure of dynamic range?

As far as I have read f-stop is a measure of the aperture. This affects the amount of area in the foreground and background which is in focus. While having a look at the dynamic ranges of cameras I ...
8
votes
2answers
2k views

What is DRI? And how does it differ from HDR?

I recently came across the term DRI meaning Dynamic Range Increase. What exactly is it and how does it differ from HDR or High Dynamic Range (or is it the same thing just different terminology?
4
votes
2answers
390 views

What does the term “saturation luminance” mean in the definition of dynamic range?

The concept behind the dynamic range definition given by ISO 15739 is based on the ratio of the maximum luminance that receives a unique coded representation ´╝łthe "saturation" luminance) to the lowest ...
25
votes
2answers
3k views

How does exposure fusion work?

I understand that "exposure fusion" is a method for combining different exposures into a single image. How exactly does it work, and how is it related to HDR?