Human motion tracking pixel coordinates

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chitra
chitra 2012-1-22
编辑： Walter Roberson 2016-8-21
I am looking for a very simple already implemented available code for human motion tracking in matlab only( without any C code since mex compiler does not work). The reason for me not going into the Kanade algorithm and developing it myself is because I only need the output data that is the path traced in terms of x,y coordinates with respect to time and video human tracking is not the main area of research. I am more concerned with information processing and extraction.I searched and found http://www.mathworks.com/matlabcentral/fileexchange/18151-motion-detection-in-a-video but it does not do so. It gives error
>> run
input video
??? Error using ==> aviread at 73
Unable to locate decompressor Indeo5 to decompress video stream.
See Mathworks Technical Solution 1-4G50QZ for more info.
I changed aviread to mmreader,but it does not take as input any other video file!
Error in ==> run at 5
avi = aviread('samplevideo.avi');
Please help if anyone has knowledge of such a tool available.Thank you.

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Walter Roberson
Walter Roberson 2012-1-22
Are you running a 32 bit or 64 bit version of MATLAB? The Indeo codecs are not supported in the 64 bit version (that is, 64 bit versions of the codecs are not available at all.)
If you running Windows 7 and using 32 bit MATLAB then it is possible to install the Indeo codecs.
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chitra
chitra 2012-1-23
Hi,i downloaded the ir50_32.dll as well as the regsvr64 and the codec indeo5. The command prompt also worked and there was no error.However,now MATLAB returns an error ??? Error using ==> run at 5
Initialization failed. (No combination of intermediate filters could be found to make the connection.) Now,what is this filter?
Walter Roberson
Walter Roberson 2012-1-23
http://www.mathworks.com/support/solutions/en/data/1-62LFUH/index.html?product=ML&solution=1-62LFUH
Note that I did say early on that that dll was for use on the 32 bit version of MATLAB.
I would appreciate if you would take the time to clarify why it is that you are attempting to use .AVI movies when you indicated that your data source is a Nikon Coolpix P500 camera, which cannot produce AVI movies?

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