DxOmark: pixel level vs image level DR

Started Mar 31, 2012 | Discussions thread
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Randplaty Contributing Member • Posts: 504
DxOmark: pixel level vs image level DR

Why does DxOmark do dynamic range on an image level? Shouldnt they do it on a pixel level? I understand doing ISO on an image level, but with DR, the pixel should either clip, record the photon of light, or blow out. That is all you need to measure dynamic range.

Doing dynamic range on an image level gets weird results like cropping the same image leading to lower DR and downsampling the same image leading to higher DR.

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