Hi people,
Is there any sensor that would distinguish between a human and an animal without touch?
thanx in advance
Certainly!
Put a light-beam-sensor across the opening of one of these...
http://www.petsmart.com/product/index.jsp?productId=2754669&keepsr=0&clickid=prod_cs
If the beam is broken, it's an animal. If the beam isn't broken it's not a animal so it must be a human.
Depends on how big the animal is in comparison to the human and where you are wanting to sense this.
Mowcius
i want to sense some animals which are comparable to the size of a dog..actually i want to monitor endangered species..
I thought my sarcastic remark might goad you into providing more information. It hasn't so I'll try a friendlier tack; something I should have done originally.
I certainly can't speak for anyone else but, in my case, I would need a great deal more information before I could possibly help you. For example...
- Will the sensing occur indoors, outdoors, or both?
- Will the sensing occur during daylight, nighttime, or both?
- Are there larger or smaller animals in the sensing area?
- Will the animals and humans be traveling along a path or roaming freely?
- Is it possible to tag the animals (or humans)?
- Are the animals capable of seeing into the infrared spectrum?
- Are the animals capable of hearing into the ultrasonic range?
- Are the animals frightened by lights or noises?
Is there any sensor that would distinguish between a human and an animal without touch?
Lets give the simple answer:-
No.
The complex answer is:-
"it might be possible to make a system that can distinguish between the two but it will be complex and possibly unreliable and, if you are having to ask, then it is possibly beyond you". It is perhaps at a Masters degree project level.
The complex answer is:-
"it might be possible to make a system that can distinguish between the two but it will be complex and possibly unreliable and, if you are having to ask, then it is possibly beyond you". It is perhaps at a Masters degree project level.
Very much true...
@coding badly..
-sensing occurs both indoors and outdoors
-sensing occurs both in day and night time
-both animals and human will be roaming freely
-the animals are capable of hearing ultrasound
-its NOT possible to tag the animals
-the animals may or may not be frightened by noises
sensing occurs both indoors and outdoors
-sensing occurs both in day and night time
-both animals and human will be roaming freely
-the animals are capable of hearing ultrasound
-its NOT possible to tag the animals
-the animals may or may not be frightened by noises
What size will the animals be? If they are considerably smaller than the humans then there are a few options...
Mowcius
lol... can be done but the system and idea is rather complex and requires signal processing...
by using image processing techniques and pattern recognition...
thermal imaging and pattern recognition can also be used...
In disaster hit areas. heartbeat sensors are used to detect human activity,maybe these can be used to differentiate between human and animals, i dont know if these can measure heartbeat rate or are just detecting heartbeat, in the later case they might not be useful...
Yupp,, 
A camera is the perfect sensor for this project....
At the back end of the camera we place the most elegant error-free neuron-network-processor we can find (a human) to press the LOG-button on the arduino.
David. :o
Well, you could do motion sensing, and log+picture everything! Then upload log to computer which would have software to sort the pictures.
The software would analyze an original image and compare with the disturbance.
Determines if too many pixels are changed its human(larger) or use complex analyzation to determine if its human.
If too few pixels are changed, move it too misc stack
All others are moved to "wanted" stack
The logs should be reduced to efficiency.
But then again. We would need more information because this system might not work for you. Are you differentiating between the ENITIRE human body and the entire animal or just the legs of a human and a rat...?
Where can this sensor go?
What animal is it. If its bat, maybe we could have an ultrasound sensor.
Wheres your location? City? Sewer? Woods? Plains? Desert? Mountains?
It might or might not be complex. Complexity is just an opinion.
So what do you do when this guy walks by?
