There are a lot of koreader plugins that implement individual features. Any in particular you want?
But I prefer to preprocess on a pc to maximize ereader battery life.
There are a lot of koreader plugins that implement individual features. Any in particular you want?
But I prefer to preprocess on a pc to maximize ereader battery life.
Mainly the improved quality of images look most interesting to me.
KOReader has built in contrast and dither options that may do what you want.
And a rainbow removal plugin which uses same method.