Visual artifact is usually some kind unwanted result/object in an image, often due to lossy compression. Examples could be pixelation, "blotches", texture corruption.

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Border when downscaling bitmaps

Why does this border appear around the edges when I downscale a bitmap and how do I avoid it? It happens in Photoshop but also in a game that I'm developing where the framework resizes the sprite - ...
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Which HSV-noise values do not cause artifacts on an LCD screen?

I have come to notice that certain HSV noise filter values applied to a uniform background colour look horrible when viewed on an LCD screen under certain viewing angles. This is more noticeable on ...
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183 views

Photoshop suddenly shows artifacts on my file

I am running Photoshop CC on Mac OSX 10.9.1. Today I opened one of my PSD files this morning and all of a sudden, these artifacts appear in some layers that have some effects on smart objects (but ...
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82 views

Can adjusting color (or grayscale) properties of an image affect its visibility in daylight?

I'm trying to find ways to make images more visible under daylight (i.e., when daylight reflects off the image screen/print). For my project, I want to display digital images on an electronic display ...
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2k views

Save for Web & Devices in Illustrator CS5 Causes Artifacts on Large Files

I am saving with these settings: And ending up with weird transparent line artifacts: The ai file does not have this, and the path has nothing near the place where the lines are showing: From ...
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3answers
79 views

What is the best technology for producing a video like this?

In order to produce a video like this... http://www.stumbleupon.com/su/1rjWQH/www.youtube.com/watch%253Fv%253Ddv4j4bguYYk What tool would you use? Flash? Or there's a better tool? Thanks
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356 views

Why are certain colors more prone to compression artifacts than others?

I most often see this with compressed video, but I've also seen it often enough with JPEG images. Many times blacks, reds, and other generally dark colors seem to be especially prone to compression ...
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Removal of scanning artifacts

I've had a couple of times when working with scanned images where the piece I need is obscured or otherwise blemished by things such as halftoning in the case of printed items or moire effects when ...