Importance

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Abstract

The systems and methods described herein may be used to optimize vector error diffusion for displaying color images on a display device. Vector error diffusion passes a residual vector error from one pixel on to its neighboring pixels with varying weights. The direction and weight of error diffusion can be defined by a vector error diffusion filter. Using a vector error diffusion filter with a limited number of taps allows an a priori determination of which pixel vector is dependent on which pixel vector error at what times. Based on such dependency determination, vector error diffusion calculation for multiple pixels can be scheduled to optimize computation time while preserving the dependency. The scheduled vector error diffusion calculation can further be implemented in virtual pipeline with multiple stages to balance computation load and utilize hardware resource efficiently.

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First Claim