Denoising (Updated 09/19/2011)

Description: Denoising algorithms and Matlab implementation
Three Denoising algorithms by de Cheveigné and Simon: TSPCA, SNS, and DSS.
    See the de Cheveigné site for Matlab implementation, with examples.
    See the publications page for papers by de Cheveigné and Simon describing the algorithms.

General sqd to sqd Denoising Instructions

Sqdproject 3.0 beta (Updated 02/14/10)

Description: Matlab routines to read and write MEG160 “sqd” files
    Multiple Fixes and Additions since the last version, including:
    • Now properly reads sqd epoch files
    • New functions sqdgettriggers() and sqdmakeepochs() to easily read triggers & create epoch files
    • OutputGain bug fixed
More Info: README
Download (then unzip and add folder to Matlab path): sqdproject3.0beta.zip

If anyone can help us out with better documentation we would truly appreciate it (as might many new users). Please contact Jonathan Simon: jzsimon@umd.edu .

MEG Topographic Plotting function for Matlab (Updated 04/26/2010)

Description: A Matlab function to plot MEG topographic head-maps of magnetic field distributions.
File: megtopoplot.m

This version is 1.1. The Matlab “help” description is here.

Previously Distributed Sqdproject (Updated 12/11/2008)

Updated to fix a problem with the putdata.m method which meant that one could not properly write to an output file. If there are any problems, please contact Dan Hertz (dbhertz@umd.edu).
Download: sqdproject2.2beta.zip

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