File:Jpeg-text-artifacts.gif
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Jpeg-text-artifacts.gif (320 × 256 pixels, file size: 41 KB, MIME type: image/gif, looped, 2 frames, 2.0 s)
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Summary
| Description | Illustration of the effect of JPEG compression on a slightly noisy image with a mixture of text and whitespace. Text is a screen capture from a Wikipedia conversation with noise added (intensity 10 in Paint.NET). One frame of the animation was saved as a JPEG (quality 90) and reloaded. Both frames were then zoomed by a factor of 4 (nearest neighbor). |
| Source | Own work |
| Author | BenRG |
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:02, 28 August 2009 | | 320 × 256 (41 KB) | BenRG | try again |
| 14:58, 28 August 2009 |  | 320 × 256 (41 KB) | BenRG | {{Information |Description=Illustration of the effect of JPEG compression on a slightly noisy image with a mixture of text and whitespace. Text is a screen capture from a Wikipedia conversation with noise added (intensity 10 in Paint.NET). One frame of th |
File usage
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Global file usage
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- Usage on ca.wikipedia.org
- Usage on it.wikipedia.org
- Usage on ja.wikipedia.org
- Usage on ru.wikipedia.org
- Usage on zh.wikipedia.org
