File:1942 Digital photo alteration - skewing (re foreshortening), squaring, lightness, sharpness.jpg
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Original file (1,100 × 1,300 pixels, file size: 232 KB, MIME type: image/jpeg)
Captions
Captions
Top: 1942 photograph of roadside sign which is skewed, and Bottom: digitally enhanced image which is not skewed
Summary edit
,_squaring,_lightness,_sharpness.jpg&action=edit§ion=1){kind=link}
| Description |
English: * Top: 1942 photograph of roadside sign which is skewed, and Bottom: digitally enhanced image which is not skewed
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| Date | |
| Source |
Top image: |
| Author | John Vachon |
Licensing edit
,_squaring,_lightness,_sharpness.jpg&action=edit§ion=2){kind=link}
- Source states: "No known restrictions. For information, see U.S. Farm Security Administration/Office of War Information Black & White Photographs https://www.loc.gov/rr/print/res/071_fsab.html".
- For original photograph (1942):
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This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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- For composite image:
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:21, 1 August 2020 | | 1,100 × 1,300 (232 KB) | RCraig09 (talk | contribs) | Uploaded a work by John Vachon from Top image: * https://loc.gov/item/2017814578 * Archive of source: https://web.archive.org/web/20200801051244/https://loc.gov/item/2017814578 with UploadWizard |
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,_squaring,_lightness,_sharpness.jpg&oldid=783910256){kind=link}