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Unblurring a blurred image when a specific object is under it [closed]

I wonder, does anyone know any way (or workaround) to reveal a blurred image when a specific object (not zone) is encountered in a website ?

I know that I could just throw in a png of the unblurred pixels, but the issue here is that I want it to be animated, so a simple png would give a wrong illusion and animating it frame-by-frame by hand to make it a gif or apng would probably take really long if I want it to be smooth. If anyone knows how the ressources to make such a clever code or knows how to automate the process that I gave below, please let me know.

Example here, with glow added for readability : Please know that this is just an example, I'm aware that this does not look that appealing right off the bat

Source : https://commons.wikimedia.org/wiki/File:Image_created_with_a_mobile_phone.png, font is "Rubik"

Via Active questions tagged javascript - Stack Overflow https://ift.tt/bKe6CYR

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