Another way to approach dithering is to analyse the input image in order to make informed decisions about how best to perturb pixel values prior to quantisation. Error-diffusion dithering does this by sequentially taking the quantisation error for the current pixel (the difference between the input value and the quantised value) and distributing it to surrounding pixels in variable proportions according to a diffusion kernel . The result is that input pixel values are perturbed just enough to compensate for the error introduced by previous pixels.
John Harp was able to identify the type of brick in the wall shown behind Lucy
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Haise and Lovell worked frantically to boot up the lunar module, Aquarius.,这一点在搜狗输入法2026中也有详细论述
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