[left]: Illustration to Lewis Carroll’s The Hunting of the Snark (1876) by Henry Holiday: The Vanishing (detail from lower left side depicting some weeds which seem to have some fun with each other)
[right]: John Martin: The Bard (ca. 1817, detail from lower left side, retinex filtered and vectorized, then slightly horizontally compressed)
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2018-02-17, updated: 2020-02-01
Blurring images is low pass filtering images. An artist’s blunted sight can have the same effects like blurring with computerized image processing. Sometimes you need to get rid of distracting details in order to get the whole picture.
Jay Clause‘s what Salvador Dali taught me about creative work will help you to (perhaps) get the whole picture. However, keep in mind that artists like to play with what the beholders of their work might want (or might not want) to percieve. Even without blurring, artists can deny anything you “see” in an ambiguous creation: They play with their own pareidolia as well as with the pareidolia of their audience.
Before computerized image processing was available, artists use simple techniques to blurr images. For example, squinting or looking at an image through a feather did the trick.
Squinting might help you to see things which you wouldn’t see with clear sight. It’s fine to try that with artwork which has been intentionally created for such an exercise. But better make sure that it was an artist who created the face that is looking at you. I don’t know whether Mars ever has been inhabited by artists.
2017-12-28, updated: 2020-01-06
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2017-12-17, updated 2019-03-10
Artists, who have played with their own pareidolia first, know how to play with the pareidolia of the beholders of their works.
I incidentally found this in December 2017 as bycatch from my Snark hunt:
2017-12-23, updated to 2019-01-01 just for the heck of it
The issue comes up now and then.
Click on it if you don’t see the Instagram image.