I got two images showing exaktly the same content: 2D-gaussian-shaped spots. I call these two 16-bit png-files "left.png" and "right.png". But as they are obtained thru an slightly different optica...

I need to perform the autocorrelation of an array (vector) but I am having trouble finding the correct way to do so. I believe that I need the method "vDSP_conv" from the Accelerate Framework, but ...

I have an array of doubles, roughly 200,000 rows by 100 columns, and I'm looking for a fast algorithm to find the rows that contain sequences most similar to a given pattern (the pattern can be any...

can someone tell how to do the cross-correlation of two speech signals (each of 40,000 samples) in MATLAB without using the built-in function xcorr and the correlation coefficient? Thanks in advan...

Possible Duplicate: Matlab Cross correlation vs Correlation Coefficient question When I cross correlate 2 data sets a and b (each 73 points long) in MATLAB and graph it, it appears li...

in my previous question on finding a reference audio sample in a bigger audio sample, it was proposed, that I should use convolution. Using DSPUtil, I was able to do this. I played a little with it...