From DXOMark: More pixels offsets noise3

Started May 30, 2009 | Discussions thread
Steen Bay Veteran Member • Posts: 7,418

bobn2 wrote:

Here's one I prepared earlier.
40D and 50D, processed in dcraw at defaults, no other processing.
Rerezzed to 30MP,22MP,15MP,10MP,6.7MP. Upsampling straight Lanczos.
Downsampling appropriate blur + Lanczos. No other processing applied.
Sorry for just 200x200 crops, makes it faster to view in DPR

It's actually pretty interesting (and a bit confusing :)) to see images compared at so many different output (or simulated print) sizes. To see how much the impression of noise/detail in the image depends on the 'magnification'.

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