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can we able to identify a person action from a given video

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Sivakumaran Chandrasekaran
My input is a video. It shows jumping action performed by a man. Can MATLAB identify that the person is jumping??

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Walter Roberson
Walter Roberson 2012-11-16
According to Einstein, NO, it is not possible to tell the distinguish the person jumping compared to the world moving around the person (e.g., a fast elevator)
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Sivakumaran Chandrasekaran
Sivakumaran Chandrasekaran 2012-11-16
Thanks Walter.. How about the actions such as walking, jogging ? All the above actions are performed inside a room. Can MATLAB recognize and tell.
Walter Roberson
Walter Roberson 2012-11-16
No. Consider a treadmill moving under the person.
False motion techniques like this are used a lot in movies.
You can perhaps identify that it looks like the person is jumping, or looks like they are walking or jogging, but you cannot distinguish the case of the person moving compared to the surroundings, from the case of the surroundings moving compared to the person. There is no absolute motion.

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Image Analyst
Image Analyst 2012-11-16
You need to look at sections 16, 18, and 21 and pick an algorithm
http://iris.usc.edu/Vision-Notes/bibliography/contents.html
Then code it up and come back here if you need to.
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Image Analyst
Image Analyst 2012-11-16
Contact the authors of the papers and see if they will give you some. I can't answer for them.

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