MIT researchers use Wi-Fi to recognize people through walls

Re:MIT researchers use Wi-Fi to recognize people through walls by govindpatel on Thursday October 29, 2015 @03:06AM (#10469643)

what happens when two person stand behind one another. keeping their bodies close to each other. Is there is any way to detect how many person are actually standing there?

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Re:MIT researchers use Wi-Fi to recognize people through walls by Jach on Thursday October 29, 2015 @05:18AM (#10469911)

In theory I think it would be possible to detect this situation with SAR imaging techniques (and probably other techniques), you just need to have a large enough bandwidth in your transmission signal and be at a sufficient stand-off distance from the targets...

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Re:MIT researchers use Wi-Fi to recognize people through walls by TeMPOraL on Thursday October 29, 2015 @03:37AM (#10469693)

I also would like to know the theoretical answer. The practical will be, I guess, "wait for them to start moving around".

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Re:MIT researchers use Wi-Fi to recognize people through walls by Natanael_L on Thursday October 29, 2015 @05:04AM (#10469883)

Physics is crazy: http://web.media.mit.edu/~raskar/cornar/

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Re:MIT researchers use Wi-Fi to recognize people through walls by TeMPOraL on Thursday October 29, 2015 @06:12AM (#10470028)

> Physics is crazy

This is my new favourite response.

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