A notable resource on the topic of ordered dithering using arbitrary palettes is Joel Yliluoma’s Arbitrary-Palette Positional Dithering Algorithm. One key difference of Yliluoma’s approach is in the use of error metrics beyond the minimisation of . Yliluoma notes that the perceptual or psychovisual quality of the dither must be taken into account in addition to its mathematical accuracy. This is determined by use of some cost function which considers the relationship between a set of candidate colours. The number of candidates, the particular cost function, and the thoroughness of the selection process itself give rise to a number of possible implementations, each offering varying degrees of quality and time complexity.
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環境及生態局局長謝展寰2月10日到立法會介紹立法建議時說：「人的食物不一定適合狗進食，所以我們不太建議狗主將餐廳食物餵給狗隻。但真的自行餵食的話，我們也不打算禁止這個行為。」