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

Version	📄 Description
1.3.0	initial version