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Re: extract data from graph ?
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From: |
Tatsuro MATSUOKA |
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Subject: |
Re: extract data from graph ? |
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Date: |
Wed, 28 Mar 2018 22:18:24 +0900 (JST) |
--- Pascal.Dupuis
> Hello,
>
> I need to correct a paper containing graphs saved as bitmap images. Those
> images were generated by a scope, and I can't redo the experiment. Is there
> some way to "undo" the graph and get back the curves ?
> I can take the image, apply a differentiator, check for regions of high
> contrast, and map that region back to values. But if some automatic tool
> could do it quickly and without error, it would be better.
>
> Regards
>
> Pascal
l found the below:
https://automeris.io/WebPlotDigitizer/
Tatsuro