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cross correlation

hi..

can you please tell me how can i implement this formula in labview?

 

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Hi,

 

You can implement this formula, you need to do some coding, the array of data is subtracted with some variable  square and can be added using add function in LabVIEW and taking a square root of it. Here you need to input x, i, m and y data.

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i m attaching a vi that compares two jpeg images by extracting determinants.

tell me how can the output of these deteminants be used with cross corelation formula?please send me sample vi of it.

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Here is an available express VI that computes convolution and correlation.  If you want to see the internal algorithm, you can right click on the VI once it is placed and go to "Open Front Panel".  You can then dig deeper inside the VI.  This VI requires the Full Development System.

 

http://zone.ni.com/reference/en-XX/help/371361H-01/lvexpress/conv_and_correlation/

 

Regards.

Matt M.

Applications Engineer
National Instruments
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