SP777: In fact, I did once create a similar algorithm to create a comic book scan slicer. So I have a basic understanding of the principles - although I didn't read up on popular algorithms for that and just started coding :-P (Hacker attitude, lazyness) Hopefully I will get back to porting algorithms like that to our Lua code. We've just switched over to LuaJIT (impressive technology) and doing such heuristics in pure Lua is now a real option performance-wise. Your input is nevertheless very welcome. I agree that there would be real need to optical document structure recognition for providing a good PDF reading experience on these under-dimensioned (for the task) e-readers.
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