The covariance tag has no wiki summary.
0
votes
1answer
73 views
Covariance matrix explanation
I try to understand and visualize myself covariance matrix.
Supposing I have a matrix A = [ 2 3 4; 5 5 6 ], how do I calculate its covariance matrix, and what is ...
1
vote
1answer
75 views
information filter instead of kalman filter approach
I read many sources about kalman filter, yet no about the other approach to filtering, where canonical parametrization instead of moments parametrization is used.
So I would like to learn on examples ...
0
votes
1answer
64 views
How do I find Gray Level Variance of the Image?
Tell me how do I find out gray level variance of the image? Is it any different from the normal variance of the image.
13
votes
1answer
192 views
How to tell if an error surface is convex? (Is it determined by the Covarinace matrix or the Hessian)?
I am currently learning about least-squares (and other) estimations for regression, and from what I am also reading in some adaptive algorithm literatures, often times the phrase "... and since the ...
7
votes
1answer
401 views
Question on covariance matrix of 2 spatial signals
Every time I think I have understood the covariance matrix, someone else comes up wih a different formulation.
I am currently reading this paper:
J. Benesty, "Adaptive eigenvalue decomposition ...