Learn English – Picture of lower quality

single-word-requests

I am looking for a word to express following:

Pictures on site xyz.com are [word].

With meaning pictures are of lower quality, I always thought that correct term is "rasterized" or "pixelated".

For example pictures uploaded on blue social site are pre-processed which results in pictures being of lower quality (where you can clearly see pixelation/rasterisation).

While I was looking around to find correct term (mostly on OS X dictionary application), rasterisation is:

convert (an image stored as an outline) into pixels that can be displayed on a screen or printed. the driver uses these commands to rasterize the page.

Bonus

Is rasterize UK english and rasterise US english? I can not find that information anywhere.

Best Answer

You're referring to compression artifacts. The pictures can be described as degraded.

degraded adjective 1.1 Reduced in quality; inferior. ‘It is necessary to design the antenna properly or system performance will be degraded.’ - ODO

Here are a couple of examples of the term in use:

Your sample sentence would be:

  • Pictures on site xyz.com are degraded.
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