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 :
宇树科技董事长王兴兴在接受采访时表示自己深感荣幸，他说，此次活动是一个建立与德国更多企业合作的窗口，以及在全球范围内共同推动智能机器人产业发展的契机，德国市场潜力巨大，相信智能机器人和AI产业的良好发展态势，对行业发展和全人类都有非常好的作用。（新华社、中国新闻网）
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