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Comment on I built a picture frame with a greyscale e-paper that runs on battery for yearsparent

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Note, they have dithering, and they likely went for the best one possible.

clashOP

They == the ArtFrame's built-in software ;) What I posted was generated by the device. It is an example of the actual picture quality.

Yes, with a specifically chosen image.

Interesting accusation. What attributes of this photo would lend itself to be of better quality in such a display?

(Disclaimer: I think this display is awesome -- can't allocate the funds for it right now, but will be keeping an eye on it going forward.)

The image is "contrasty", showing lots of hard transitions from bright to dark. With displays of low bit-depth, the hard thing to do is smooth gradients of tonality.

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