File:Checker shadow illusion.svg
Size of this PNG preview of this SVG file: 788 × 599 pixels. Other resolutions: 316 × 240 pixels | 631 × 480 pixels | 1,010 × 768 pixels | 1,280 × 974 pixels | 2,560 × 1,947 pixels | 948 × 721 pixels.
Original file (SVG file, nominally 948 × 721 pixels, file size: 12 KB)
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Summary
| Description |
English: The checker shadow illusion, originally published by en:Edward H. Adelson. Square A is exactly the same shade of grey as square B. |
| Date | |
| Source | Own work |
| Author | Original: Edward H. Adelson, vectorized by Pbroks13. |
| SVG development |  This vector image was created with Inkscape. |
Licensing
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.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:37, 14 December 2018 | | 948 × 721 (12 KB) | wikimediacommons>Pbrks | again |
File usage
The following 10 pages use this file:
- Cognitive science
- Color constancy
- Contrast effect
- Illusion
- List of optical illusions
- Optical illusion
- Philosophy of perception
- English Wikipedia @ Freddythechick:Featured picture candidates/delist/Grey square optical illusion 2
- English Wikipedia @ Freddythechick:Featured pictures/Diagrams, drawings, and maps/Drawings
- Template:POTD/2022-06-14
