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新征程是新的长征。新时代中国共产党人坚定信心、实干笃行，坚持树立和践行正确政绩观，永远与人民在一起，始终奋进在时代前列，必将用新的伟大奋斗创造新的历史伟业。
Instead of perturbing each pixel in the input image at random, we can choose to dither by a predetermined amount depending on the pixel’s position in the image. This can be achieved using a threshold map; a small, fixed-size matrix where each entry tells us the amount by which to perturb the input value , producing the dithered value . This matrix is tiled across the input image and sampled for every pixel during the dithering process. The following describes a dithering function for a 4×4 matrix given the pixel raster coordinates :