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by landgenoot 991 days ago
I don't think the resolution is the problem with images on e-readers, but the amount of grayscale levels is.

Dithering works brilliantly on these devices. I made a photo frame out of one of these by calling some imagemagick from golang.
2 comments
dh-g 991 days ago
Nice result.

I agree, dithering on these devices works really well. After this project I worked on displaying images of the sun from the NOAA satellite. Until I got dithering working displaying the image with just 4 levels of grey was was very lackluster.

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Qwertious 990 days ago
Resolution is more important than grayscale for e-ink - not only are they two sides of the same coin for dithering, but e-ink renders far faster in black-and-white so with sufficient resolution you've got a snappier page turn.
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