8 February 2015 Color dithering methods for LEGO-like 3D printing
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Abstract
Color dithering methods for LEGO-like 3D printing are proposed in this study. The first method is work for opaque color brick building. It is a modification of classic error diffusion. Many color primaries can be chosen. However, RGBYKW is recommended as its image quality is good and the number of color primary is limited. For translucent color bricks, multi-layer color building can enhance the image quality significantly. A LUT-based method is proposed to speed the dithering proceeding and make the color distribution even smoother. Simulation results show the proposed multi-layer dithering method can really improve the image quality of LEGO-like 3D printing.
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Pei-Li Sun, Pei-Li Sun, Yuping Sie, Yuping Sie, } "Color dithering methods for LEGO-like 3D printing", Proc. SPIE 9395, Color Imaging XX: Displaying, Processing, Hardcopy, and Applications, 93950J (8 February 2015); doi: 10.1117/12.2083544; https://doi.org/10.1117/12.2083544
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