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If a signature was located in the least significant bits of the pixels, you couldn't recover by just filming. If you altered the video, you would need to re-sig

If a signature was located in the least significant bits of the pixels, you couldn't recover by just filming. If you altered the video, you would need to re-sign.

monocasa 8y ago
I think he's suggesting that you play the video for the camera, and then let the camera sign what it saw.
- subcosmos 8y ago
  Gotcha I guess in the case of faking political speeches and the like, it becomes some trust model regarding who owns the camera.