File:Lowpass Butterworth Checkerboard.png
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Lowpass_Butterworth_Checkerboard.png (209 × 265 pixels, file size: 3 KB, MIME type: image/png)
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Summary
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| Description |
English: Butterworth lowpass mask for frequency domain image filtering |
| Date | |
| Source |
Matlab, FiltersScript.m |
| Author | Scikris |
Licensing
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User:Scikris, the copyright holder of this work, hereby publishes it under the following licenses:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
Attribution: User:Scikris
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Original upload log
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Transferred from en.wikipedia to Commons using For the Common Good.
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 19:13, 30 April 2017 | 209 × 278 (6,510 bytes) | w:en:Scikris (talk | contribs) | Uploading a self-made file using [[Wikipedia:File_Upload_Wizard|File Upload Wizard]] |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:11, 12 July 2023 | | 209 × 265 (3 KB) | Obscure2020 (talk | contribs) | Re-cropped to match neighboring images on w:Digital image processing. Also optimized with OxiPNG and ZopfliPNG. |
| 17:54, 12 December 2018 |  | 209 × 278 (6 KB) | Jumpow (talk | contribs) | Transferred from en.wikipedia: see original upload log above |
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