Many programmers use malloc() and free() and pay no more mind to "allocating memory", but I often find 2-20× speed improvements by rethinking memory
system may not always be able to understand the context of the code。关于这个话题，heLLoword翻译官方下载提供了深入分析
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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.，推荐阅读快连下载安装获取更多信息
第一百三十二条 公安机关及其人民警察办理治安案件，禁止对违反治安管理行为人打骂、虐待或者侮辱。
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