Can we make a camera see behind walls? [video]

  • This reminds me of MIT’s work on femto-photography to see around corners. They used ultrafast laser pulses to bounce light off walls, capturing the reflections from hidden objects. By analyzing the time-of-flight data, they could reconstruct 3D shapes of objects not in direct view. <https://web.media.mit.edu/~raskar/cornar/>

  • The title from the video was changed to "What if we made a camera that sees in reverse?" which is more fitting since "seeing behind walls" was a bit clickbaity since the camera is mounted big arm literally peeking with a mirror.

    The guy made a home made camera with orthographic projection, that should been enough for the title...

  • Sadly this post will probably get buried because it's a video link, but it really deserves some front page coverage.

    This project involves a bunch of different disciplines, and I'm always amazed by what Shane can do in his (very expensive) mad science lab.

  • Amazing engineering here, but isn't this equivalent to raising your camera above the wall and then snapping a pic? This wasn't really seeing behind walls in the sense I expected.

  • The orthographic image is the coolest thing I've seen in a while! This is some remarkable engineering. I expected the images to be much lower quality but they look great.

  • Vaguely related. Recently discovered that the 24ghz radar units I’ve got go through walls. Not solid brick walls though

  • tempest. 20+ years ago.

    can 'see' computer screens thru walls at a distance.

    https://yandex.com/search/?text=tempest+program+see+computer...

  • Very misleading.

  • It’s called a window