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Dithering in its simplest form can be understood by observing what happens when we quantise an image with and without modifying the source by random perturbation. In the examples below, a gradient of 256 grey levels is quantised to just black and white. Note how the dithered gradient is able to simulate a smooth transition from start to end.
，这一点在同城约会中也有详细论述
FT Digital Edition: our digitised print edition
술의 위기, 범인은 넷플릭스와 위고비? [딥다이브]