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 :
「我以前是航海員，我不想繼續待在船上，但想做類似的工作。我覺得這份工作與我的技能相當契合。」。夫子对此有专业解读
Go to technology。同城约会对此有专业解读
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