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  • What is moiré? How can we avoid it? - Photography Stack Exchange
    Moiré is an interference pattern In photography many times it is noticed on the fine detail of a woman's clothing, or a repetitive pattern in architecture Moiré can be caused by a scene that contains areas with repetitive detail which exceed the resolution of the camera Anti-alias filters reduce or eliminate moiré but also reduce image
  • post processing - Is it possible to eliminate Moiré patterns from . . .
    The Moiré pattern you see is an artifact of the sampling frequency of the camera relative to that of the photographed display If the camera sensor's resolution isn't somewhat close to that of the projected image of the display, you won't see any Moiré, or the pattern you do see will be comparable in size to the screen itself
  • does the presence of Moiré in a photo implies the lens outresolve the . . .
    Moiré appears because of the presence of aliasing created at the sensor level from an object containing a periodic structure with a spatial frequency close to that of the sensor's sampling rate (simply put, its pixel size)
  • Does the human eye see moiré? - Photography Stack Exchange
    It was moiré Two overlaying pattern causing combination patterns is what a moiré pattern really is When moiré pattern appears in a digital camera, one of the patterns is the pixel grid of the camera sensor As humans doesn't have a pixel grid in their eyes, a moiré pattern can't occur from looking at a single pattern
  • astrophotography - What causes and how can I avoid this moiré pattern . . .
    Even I had experienced similar problems while shooting night sky photos and later stacking them together although not as apparent of a moire pattern as you have after a bit of troubleshooting, I found out that by disabling Lens Correction before stacking the photos and applying it after stacking eliminates the problem
  • Why do photos of digital screens turn out the way they do?
    This is moiré It occurs because a screen is actually a grid of squares that are being used to make the image When it ends up trying to be mapped to another grid of pixels (either by being captured by a sensor or by scaling) points of light or pixel data don't line up exactly
  • post processing - What are the strange curved lines appearing on fabric . . .
    That's called moiré-- it's similar to what you see on TV when someone wears a shirt or tie with narrow stripes that seem to vibrate If you search for something like remove moire in photoshop you'll find plenty of articles with advice for removing
  • What is a low pass filter, and does a camera need to have one?
    Moiré patterns are caused when two similar patterns interfere with each other, causing a much more noticeable (and usually unwanted) pattern, like this (image from P Fraundorf): What you have here is two sets of parallel lines that, when placed slightly askew and one atop the other, cause a pattern of dark and light lines
  • camera settings - Why am I getting weird curved lines on photos taken . . .
    The change when you zoom in is just a moiré effect between the lines in your picture and the pixels of your screen (and the scaling which is applied by your image viewer) The question is why you have these "scan lines" My hypothesis that your sensor (or some electronics downstream) is failing, so every other line is slightly darker than it
  • What is the structure of a photosite? - Photography Stack Exchange
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