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 :
班德在大約2015年與「克林頓世界」決裂後被排除於核心圈外。他在2020年向《名利場》（Vanity Fair）表示，自己曾試圖在2002年非洲行程後，勸前總統遠離愛潑斯坦。該雜誌報導，班德表示他當時不知道愛潑斯坦的罪行，但感到不安，因此建議上司切斷關係。
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"What we've always said is talk to your loved one, make a decision and sign on the register, because we know when a patient has opted in and had those conversations, consent is much higher in those circumstances," said Harpreet Matharu, an organ donation specialist nurse for the NHS.
正如多点触控让 iPhone 告别物理键盘，Q.ai 的无声交互，赋予了无屏设备高带宽、高隐私的输入能力。