From: Rob Sacks (editor_at_realization.org)
Date: 2002-02-18 19:09:52
Hi Jim,
That's extremely cool! Nice job!
Rob
----- Original Message -----
From: "Jim Peters" <jim_at_uazu.net>
To: <buildcheapeeg_at_yahoogroups.com>
Sent: Sunday, February 17, 2002 12:57 PM
Subject: [buildcheapeeg] BWView
> I'm making some progress with my recorded brain-wave viewing app.
> Here's a screen-shot:
>
> http://uazu.net/temp/20010217.gif
>
> This is from "DOWNEY.DAT", with some alpha waves, and delta waves too.
> There are other sections with much more theta and delta than this.
>
> I know Jim wanted something with no artefacts, but almost everything
> is an artefact with this program! What I mean is that the artefacts
> are made of the same stuff as the data you want to see. The trick is
> to learn what different features look like, and so to recognise things
> for what they are.
>
> Some of the artefacts I can recognise the source of but I'm not sure I
> can do anything about, and others are just the nature of windowing and
> filtering waves, I think. Most programs don't show you this much
> detail, so you'd never know. However, I might be able to make some
> progress with this once I've understood everything that is going on.
>
> I definitely don't intend to smooth the output or anything like that.
> I think it's better to see all the detail and to understand the
> limitations of the method than to be given a false sense of security.
>
> I've still got a few bugs to nail, and I've got loads and loads of
> ideas of improvements to make. Once I've got this basically usable,
> though, I'll try and get the thing cross-compiled for Windows.
>
> Jim
>
> --
> Jim Peters (_)/=\~/_(_) jim_at_uazu.net
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> Uazú (_) /=\ ~/_ (_) http://
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>
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This archive was generated by hypermail 2.1.4 : 2002-07-27 12:28:38 BST
