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Arduino Forum Sense human presence behind walls from 150 feet away?
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  • Replies 6 replies
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  • Views 1227 views
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  • human_detection
  • human_sensing
  • thermography
Related

Sense human presence behind walls from 150 feet away?

raniat123
raniat123 over 7 years ago

Hi there,

I'm working on a school project and I would like to sense a human presence in a building that is across my building, so the sensors have to be installed in my building, the other building is 150 feet away. I would like to sense human presence close to windows that are in the building's facade facing my building. Can thermography work? will it work from that far distance?

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  • shabaz
    shabaz over 7 years ago +6
    Hi Rania, It *might* be feasible. I think you should test it. Even if it doesn't work, you will find out what distance is possible, and that is useful information to get you credit. I think it is worth…
  • dougw
    dougw over 7 years ago +5
    It can work that far, but it will require a pretty good measurement system, especially if you want to recognize the heat source as a human. Another tricky technology that could work is micro impulse radar…
  • dougw
    dougw over 7 years ago in reply to raniat123 +1
    Micro impulse radar is extremely low power, ultra wide band radar. It does not need anything at the target end. It measures reflected responses to its impulse outputs. It can measure heartbeats or breathing…
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  • raniat123
    raniat123 over 7 years ago

    I drew a quick sketch of the idea I'm trying to accomplish, the sketch shows a floor plan of both buildings; my building and the other one. Initially, I wanted to sense human behind walls, but how about just sensing them from behind a window ( can be made of clear or tinted glass), so anyone in the area bordered with the green dashed lines should be detected. the sensor should be installed in my building (indoor or outdoor).image

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  • raniat123
    raniat123 over 7 years ago

    I drew a quick sketch of the idea I'm trying to accomplish, the sketch shows a floor plan of both buildings; my building and the other one. Initially, I wanted to sense human behind walls, but how about just sensing them from behind a window ( can be made of clear or tinted glass), so anyone in the area bordered with the green dashed lines should be detected. the sensor should be installed in my building (indoor or outdoor).image

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  • dougw
    dougw over 7 years ago in reply to raniat123

    A normal camera will be easier than an IR camera, but you can get normal cameras without IR filters to see IR better or an ultra low-light camera that can see some amazing things:

    N-CITY-Star Industrial Sony IMX290-1080P/AHD/TVI/CVI/+OSD+UTC Camera-TAIWAN | eBay

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