File:Ringing artifact example.png
No higher resolution available.
Ringing_artifact_example.png (240 × 180 pixels, file size: 10 KB, MIME type: image/png)
 | This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
| Description |
English: An illustration of ringing artifacts, showing a quarter-circle of light gray on dark gray with 3 levels of artifacts on each side (overshoot, ring 1, ring 2).
Produced by taking the original image (a single sharp transition, without artifacts), then upscaling by 2× via a Lanczos-3 filter, sharpening via unsharp masking (radius 1, amount 10 (1000%), then upscaling again by 2× with Lanczos-2. |
| Date | |
| Source |
Own work |
| Author | Nils R. Barth |
| Other versions | File:Ringing artifact example - original.png – original, without artifacts. |
Licensing
 
|
This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
| The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
|
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:52, 24 May 2010 | | 240 × 180 (10 KB) | Nbarth | {{Information |Description={{en|1=An illustration of ringing artifacts, showing a quarter-circle of light gray on dark gray with 3 levels of artifacts on each side (overshoot, ring 1, ring 2). Produced by taking the original ima |
File usage
The following page uses this file:
Global file usage
The following other wikis use this file:
- Usage on ar.wikipedia.org
- Usage on cs.wikipedia.org
- Usage on es.wikipedia.org
- Usage on ru.wikipedia.org
- Usage on tr.wikipedia.org
- Usage on www.wikidata.org
- Usage on zh.wikipedia.org
