Questions tagged [banding]

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6
votes
2answers
752 views

What causes a band-like pattern in photos of a CFL?

In an image of a compact fluorescent light bulb, I couldn't figure out the reason for the formation of light and dark bands sort of thing in the image. The same thing happens when I try taking a ...
9
votes
4answers
2k views

How can I avoid circular banding artifacts in clear skies when de-noising?

I photograph in RAW, and convert using Darktable. Camera happens to be Nikon D40, 55-200mm lens. For a small number of photos, especially of clear blue skies, I cannot reduce noise without introducing ...
2
votes
2answers
231 views

What is the name of the problem where lines appear in a photo where there should just be a smooth gradient?

I don't remember the name of this problem and it drives me crazy. I googled everything similar to "lines in photo" but I didn't find the solution. The problem is that on my PC monitor I don't see ...
9
votes
2answers
26k views

What causes banding noise in CMOS sensors?

I'm looking for information (and references) on three related topics: What causes banding noise in CMOS sensors? What is the physical/technological cause? Is the cause the same in CCD and CMOS ...
6
votes
2answers
7k views

Why does darkening skies in Photoshop cause banding, and how can I avoid it?

I am pretty new to Photoshop (I have Elements 10). When I darken highlights I find that the sky ends up in bands. I have read advice that says to reduce the effect of this by using either blur or ...
1
vote
1answer
220 views

Why am I seeing banding with Photoshop but not Lightroom?

Until the most recent update it used to be the case, at least for me, that I would occasionally see banding in Lightroom's Library module, but not in Photoshop. With the most recent update, I now see ...