[FieldTrip] How to obtain a clinical EEG for publication (photoshop?)

[Markus Gschwind]

Dear Joshua and Christin,

Thanks for getting back.

No, our EEG-Viewer is not from within Matlab, in which case the problem
wouldn't be therem, indeed.

The viewer is from Micromed
http://www.micromed.eu/en-us/products/ID/1/BRAIN-QUICK--EEG-Line

I already contacte them if the export function could PLOT the curves (the
data ire recorded at 500 kHz, so sufficiently dense!) and not just grab the
screenshot, which is what it actually does.

A 4K or 5K monitor... yes 700 EUR ;-)

I wonder how all the published clinical EEG images were made!!

Thanks for your help!
Markus


Le mar. 9 avr. 2019 à 19:55, Bear, Joshua <JOSHUA.BEAR at ucdenver.edu> a
écrit :

> Depending on your EEG viewing software, you could probably borrow a 4k (or
> higher) monitor and take the screenshot there. A typical 4k monitor has a
> resolution of 3840x2160. The resulting screenshot could be displayed at 300
> dpi at over 12 inches in width. A 5k monitor at 5120x2880 would allow for a
> 17 inch width at 300 dpi.
>
> If your EEG viewer is from within Matlab, you can manually define the size
> of the figure to be output within the figure properties.
>
> As Christine mentioned, if you are trying to upsample pre-existing
> screenshots, it is going to be much more difficult and will likely result
> in blurry images (instead of pixellated ones).
>
> Josh
>
>
>
> On Apr 9, 2019, at 11:22 AM, Blume Christine <christine.blume at sbg.ac.at>
> wrote:
>
> Hi Marcus,
>
> Unfortunately, I think this is not going to work. Artificially, you can
> increase the resolution, but this is not going to make the picture any
> better. It is like upsampling an EEG... I am not sure if there is a
> smoothing function in Photoshop, in which case I could help.
>
> Best,
> Christine
>
> Sent from my iPhone
>
> Am 09.04.2019 um 19:15 schrieb Markus Gschwind <Markus.Gschwind at unige.ch>:
>
> Dear all,
>
> Does anyone know how to produce a high-resolution (300 dpi) version of a
> clinical EEG obtained from a screenshot?
>
> Screenshots have maximally 96 dpi, and when they are increased to poster
> size they are shaky and the EEG lines become pixelled like stairs...
>
> Is there anyone who could direct us how to convert this screenshot into a
> 300 dpi publishable image with smooth lines? Photosphop?
>
> Thanks in advance,
> Markus
>
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