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.
Author(s): Shin-Pon Ju, Dong-Yeh Wu, Chun-Wen Cheng, Hsing-Yin Chen，推荐阅读safew官方下载获取更多信息
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企业在 Data+Al 领域面对的挑战
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With the capture hooks in place, the automation script handles the actual download process. The approach has been refined significantly across the three versions, but the core idea has remained fairly constant: trick the browser into buffering the entire audio track as fast as the hardware and network allow, rather than in real time.