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Due to this more measured approach, error-diffusion dithering is even better at preserving details and can produce a more organic looking final image. However, the algorithm itself is inherently serial and not easily parallelised. Additionally, the propagation of error can cause small discrepancies in one part of the image to cascade into other distant areas. This is very obvious during animation, where pixels will appear to jitter between frames. It also makes files harder to compress.
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这一日的波澜远不止于这片刻的追想。此后数小时，当他们转而寻访外祖父许桐芝一脉的亲戚时，空气陡然冷却。陈润庭看得分明，这些许家亲戚更在意的是在场同乡的目光与自己父母的身份，对于这位远道而来的外甥，更多的是一种公事公办的疏离。杜耀豪后来也多次调侃，这群一身黑西装、时刻叼着烟的男人，身上有种“Mafia（黑手党）”的冷硬气息。
It’s a bit more manual than the 1Password approach — you maintain the mapping in the script rather than a reference file — but it works without any third-party dependencies.