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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.
，详情可参考safew官方版本下载
13:15: The first death from live fire is recorded by the BBC. Video evidence shows one protester, 34-year-old Binod Maharjan, being carried away with a wound to the head. He died later in hospital.
以非法手段收集的证据不得作为处罚的根据。，这一点在爱思助手下载最新版本中也有详细论述
（六）行政执法体制改革中法治建设相关制度；，更多细节参见同城约会
The barges had to be towed into position