Human Fovea Detector(shadertoy.com)
453 points by AbuAssar | 90 comments
A Shadertoy shader titled "Human Fovea Detector" that visually reveals the viewer's foveal region; the capture shows only a Cloudflare verification page.
#visual-perception on Hacker News
4 stories tagged visual-perception, newest first.
Show HN: The text disappears when you screenshot it(unscreenshottable.vercel.app)
498 points by zikero | 174 comments
A web demo that renders text as animated noise visible only in motion, so screenshots show just random static.
I've acquired a new superpower(danielwirtz.com)
1641 points by wirtzdan | 530 comments
Personal blog post by Daniel Wirtz about learning to quickly spot differences between two similar images, inspired by a German TV show video of a 9-year-old girl.
Akiyoshi’s Illusion Pages(ritsumei.ac.jp)
354 points by robin_reala | 56 comments
Personal website of Ritsumeikan University psychology professor Akiyoshi Kitaoka showcasing his optical and anomalous motion illusion artworks and research.