Paul Corvers: Mixed Grays

Paul Corvers: Mixed Grays

The various shades of gray between white and black – the human eye cant see very many shades so 256 shades is enough to cover what the eye can see – which is why a gif image with 256 levels. A method for generating a gray scale representation for a display combines analog and digital techniques to produce images of optimal quality. The gray scale representation is not limited by frame frequency compared to digital techniques and not limited by small voltage differences between pixel electrodes. In the method, a frame is first divided into sub-frames of most significant bits and least significant bits. The sub-frame time can either be weighted or uniform. An analog voltage is then applied to the sub-frames to produce a reduced gray scale.

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Paul Corvers: Mixed Grays

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