Denoise MEG from ref sensor using TSPCA

Hi all,

I am currently starting to use a KIT system, in which there's a reference
sensor a bit further away from the head than the other sensors, and which
is used to specifically record environmental noise.

Most people in my lab use a 'time-shit PCA' to denoise the signals. They
use a Matlab library for this:
http://www.isr.umd.edu/Labs/CSSL/simonlab/Denoising.html

I was wondering whether some of you had tried this method, and compared it
to other denoising approaches such as SSS? If so, is there a python
implementation?

Thanks!

JR
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