xcorr2

2-D cross-correlation.

Syntax

• C = xcorr2(A)
• C = xcorr2(A, B)

Input argument

• A - matrices
• B - matrices

Output argument

• C - 2-D cross-correlation or autocorrelation matrix

Description

xcorr2(A, B) calculates the cross-correlation between two matrices, A and B, in two dimensions, without any scaling applied.

Example

X = ones(2, 3);
H = [1 2; 3 4; 5 6];
C = xcorr2(H, X)

See also

filter2, conv2.

History

Author

Allan CORNET