Top "Cross-correlation" questions

Cross-correlation (time-lag-correlation) with pandas?

I have various time series, that I want to correlate - or rather, cross-correlate - with each other, to find …

python numpy pandas correlation cross-correlation
Cross-correlation in matlab without using the inbuilt function?

can someone tell how to do the cross-correlation of two speech signals (each of 40,000 samples) in MATLAB without using the …

matlab signal-processing cross-correlation
A question on cross-correlation & correlation coefficient

Possible Duplicate: Matlab Cross correlation vs Correlation Coefficient question When I cross correlate 2 data sets a and b (each 73 points …

math matlab data-analysis cross-correlation
Normalized Cross-Correlation in Python

I have been struggling the last days trying to compute the degrees of freedom of two pair of vectors (x …

python numpy correlation cross-correlation
How to use the cross-spectral density to calculate the phase shift of two related signals

I've two signals, from which I expect that one is responding on the other, but with a certain phase shift. …

python matplotlib signal-processing cross-correlation spectral-density
Find time shift of two signals using cross correlation

I have two signals which are related to each other and have been captured by two different measurement devices simultaneously. …

python python-2.7 signal-processing lag cross-correlation
Matlab Template Matching Using FFT

I am struggling with template matching in the Fourier domain in Matlab. Here are my images (the artist is RamalamaCreatures …

matlab image-processing fft template-matching cross-correlation
Image template matching using correlation

I am developing a template matching program in MATLAB. The code runs well, and finds the closest result. My first …

matlab image-processing correlation cross-correlation
Does a negative cross correlation show high or low similarity?

I am programming some image processing techniques which requires comparing the similarity of two sub images. I'm using a the …

image image-processing processing correlation cross-correlation
How to perform image cross-correlation with subpixel accuracy with scipy

The image below shows two circles of same radius, rendered with antialiasing, only that the left circle is shifted half …

python image-processing scipy cross-correlation