CHEAP
VISION
Static challenges are cheap to capture, classify and replay.
CAPTCHA, BUT THE COMPUTER HAS TO SQUINT.
Animated noise becomes the challenge, the camouflage, and—because restraint is boring—the tarpit.
NOICE explores CAPTCHA challenges based on motion, noise and distortion rather than another depressing traffic-light census. The goal is resistance against common computer-vision workflows while keeping the human task legible.
The interesting problem is not drawing interference. It is controlling difficulty, validating answers safely and making the hostile layer expensive for automation without making it inaccessible for everyone else.
Static challenges are cheap to capture, classify and replay.
Temporal information becomes part of the puzzle instead of decoration.
Failed automation can be slowed down instead of merely rejected.