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Harris' Electronics

The ramblings of a (once, probably no longer claimable) electronic amateur

Tag: dither

Written by hshallcrossDecember 19, 2014February 9, 2015

2×2 Video dithering within Matlab and playback on PCD8544 with STM32F0

So I’ve made a post previously about a simple dithering algorithm I made dependent on pixel brightness density over an image. I recently thought of going back to that and applying to video and here is my result! The video itself says it all really! My data flow is: Read a raw AVI file into […]

Written by hshallcrossSeptember 5, 2014

3 bit Colour dithering!

After attempting a black and white version (https://hsel.co.uk/2014/09/03/floyd-steinbergesque-dithering-in-matlab/), I decided to further improve my algorithm through different methods. Currently, it uses a 3×3 macroblock size and white this works well for larger images and looks pretty cool, it doesn’t scale well with smaller images! For that reason, I’ve moved to a 2×2 macroblock size for […]

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