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Questions tagged [moire]

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2
votes
1answer
102 views

Why does this ugly line pattern appear when I upload my full-sized image to a website or view on mobile?

I have 5760×3840 size JPEG image and when I upload it to a website or try to view on mobile, some kind of line things seem to be going on it. It looks ugly. I tried to resize the image to 1200X800 and ...
0
votes
2answers
91 views

what technology does Nikon use to reduce moire?

Nikon cameras do incredible job with moire effect even that nikon cameras do not have anti aliasing filter.And i didn't find moire in any situation with my Nikon d7100
2
votes
3answers
151 views

What do I need to change to prevent this denim looking grain/noise in my product photos?

I'm an amateur and I'm reading everything that I can to learn how to take decent product photos and get the best out of the equipment that I have... My question is specifically, what is likely causing ...
0
votes
2answers
290 views

does the presence of Moiré in a photo implies the “lens outresolve the sensor”?

I sometimes come across affirmative comments such as "there's moiré in the photo so the lens out-resolves the sensor". But is it true? I would say: moiré in a photo isn't a sufficient indication ...
2
votes
2answers
141 views

How can I fix false rainbow-looking color shades in pictures of fabric?

I just took a few pictures and realized they all came out with this "rainbow" looking shades. How can I fix it in post-processing? See below.
3
votes
2answers
811 views

Pattern shown in LED screen background used as backdrop on a stage

I'm trying to figure out an oddity in photographing a large LED background. I'm using a Canon 5D Mark II with a 100-400 lens although it occurs with any lens and at any focal length. The camera is ...
6
votes
6answers
807 views

Night Photography Moire - Nikon D810

I'm shooting with a Nikon 810, and my night shots often have a strong moire when I export them from Lightroom at 640x640 (optimized for Instagram). This photo was shot at f2.8, ISO 4000, 15 seconds ...
2
votes
2answers
3k views

Best way to photograph a LED wall (that has people in front of it)

The LED wall is interactive and the challenge is to make pictures that show both the wall and people interacting with it, without having the banding or moire effect, that often happens when taking ...
7
votes
1answer
391 views

How do fashion photographers avoid moire?

If moire effects occur regularly when shooting patterned fabric or leather, and if AA filters are only a partial fix in some cases, how do fashion photographers cope with moire effects?
1
vote
1answer
1k views

What are the strange curved lines appearing on fabric in my apparel photos, and how can I remove them? [duplicate]

I ran a clothing photography shoot and encountered an issue in many photos. If you see this image, there are some curved lines all over the item. What are they and how could I remove them with ...
1
vote
2answers
1k views

What caused this pattern of lines (moire?) in this picture I scanned from a book?

I have scanned this photo from a book that's printed with color ink, but the picture is a black and white one. When I scanned it with Vuescan as a color photograph I get vertical lines like I think ...
4
votes
3answers
1k views

Is there any way to fix the wavy lines that appear when photographing a striped dress?

Is there any way to fix the wavy lines that appear when photographing a striped dress? It's not just in viewing online: when it was printed at wallet size, the wavy lines showed up.
2
votes
1answer
138 views

Blur each pixel independently on sensor to reduce moire effect

If I understand correctly, sensors can produce a moire effect because their subpixels are separate (each one is affected by a different portion of the image), so to stop this effect, some cameras have ...
28
votes
6answers
9k views

Why do photos of digital screens turn out the way they do? [duplicate]

When I take pictures of a screen at school or at my house, they turn out really weirdly. When blown up to 100%, they look fine, but when they get sized down, they look really weird, here is a ...
1
vote
1answer
3k views

Weird look when taking picture of a screen [duplicate]

So here's my issue. I take quite a few pictures of my screen with my phone (Nexus 5). And I'm on an iMac. So here's what it looks like when I take a picture of my screen. As you can see there's a ...
16
votes
3answers
2k views

What causes and how can I avoid this moiré pattern in a composite night sky photograph?

I'm new to taking star trails, and fairly new to photography in general. After my first attempt at taking a star trail, I composited them in Photoshop and when I merged the layers I got this pattern ...
2
votes
6answers
2k views

Does the human eye see moiré?

I was just looking at a highrise building whose windows had a horizontal grill in front of them. There were several clothes drying in these windows and the sun was casting shadows on the cloth. The ...
6
votes
4answers
429 views

How To Reliably Trigger Moire?

What is the most reliable way to trigger moire artifacts in an image straight out of a digital camera? I know that resizing an image can cause it but I want to see it all full-resolution and be able ...
3
votes
1answer
433 views

Is there a name for artifacts for taking a photo of LCD / LED screens and how to remove or avoid it? [duplicate]

The following is a photo of a game console 3DS, although the 3D is turned off: There is "fish nest" artifacts, and sometimes the lines even curve on some photos. iPhotos on a Mac seems to try to ...
57
votes
4answers
74k views

What is moiré? How can we avoid it?

What is the image defect called "moiré"? What causes it, and how can we avoid or reduce it? Is it related to "false color"?