Convert a jpg graph into matrix arrays

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alaki alakialaky
alaki alakialaky le 19 Sep 2021
Réponse apportée : Jan le 19 Sep 2021
Hello everybody. I unfortunatelly saved some plot graphs to jpg format and now I need to obtain the valuse of those graphs. I want to know if there is any way (image processing, ...) that I can obtain these values and replot them again with a high precision?

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Jan
Jan le 19 Sep 2021
This is not possible. Saving the data with the low screen resolution to a jpeg removes the possibility to access the data in a high precision.

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