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 :
When is West Indies vs. South Africa?West Indies vs. South Africa in the 2026 T20 World Cup starts at 4:30 a.m. ET on Feb. 26. This game takes place at the Narendra Modi Stadium.
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伊朗迎戰之策分析：以耐力與嚇阻為核心的高風險戰略
Ваня Дмитриенко выступит на ГАРАЖ ФЕСТ Игора Драйв в Санкт-Петербурге14:45
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Российский врач вернется к работе после истекшей кровью пациентки14:48，更多细节参见今日热点
with a citation to the type foundry H. Berthold AG’s 1950 symbol catalogue