MATLAB Answers

Cross Correlation in Matlab

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SOUVIK MITRA
SOUVIK MITRA on 2 Nov 2019
Commented: SOUVIK MITRA on 3 Nov 2019
How to find cross correlation coefficient between two 2D matrices?

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Answers (1)

Cris LaPierre
Cris LaPierre on 2 Nov 2019
If you have the Signal Processing Toolbox, use xcorrr2.

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SOUVIK MITRA
SOUVIK MITRA on 2 Nov 2019
It gives matrix but I want to know about the correlation coefficient.
Cris LaPierre
Cris LaPierre on 2 Nov 2019
It returns the autocorrelation matrix.
"The 2-D cross-correlation of an M-by-N matrix, X, and a P-by-Q matrix, H, is a matrix, C, of size M+P–1 by N+Q–1"
SOUVIK MITRA
SOUVIK MITRA on 3 Nov 2019
Yes I know this, but is there any way to find normalised value for correlation matrix which gives me one value (like
xcorr(X,Y, lag, 'coeff')
this returns cross correlation coeff of two signals)

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