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I thought of that too, but decided it would have been easier to put "invisible" watermarks throughout the movie stream that can be detected even after compressi
by pierrefar 17y ago
I thought of that too, but decided it would have been easier to put "invisible" watermarks throughout the movie stream that can be detected even after compression. Say imperceptible color variations that a computer can pick up if it knows which frames to search.
- abentspoon 17y agoIt seems watermarking with a patern of dots is already popular, but embeding the watermark in a color histogram might be much less distracting http://en.wikipedia.org/wiki/CAP_code http://en.wikipedia.org/wiki/CAP_code
- lanstein 17y agoI thought they used telltale sounds to detect the guy who they just caught in France, no?