调用kmeans函数,kmeans中调用了whited函数。查后,发现whiten是对输入数据按标准差做归一化处理。 v a r i a n c e Σ i 1 n ( x i − x m e a n ) 2 n variance \frac{ \Sigma_{i1}^{n}(x_{i} - x_{mean})^{2}}{n} variancenΣi1n(xi−xmean…
文献来源——Gui T, Li C, Yang Q, Xiao X, Meng L, Li C, Yi X, Jin C, Li Z. Auto bias control technique for optical OFDM transmitter with bias dithering. Opt Express. 2013 Mar 11;21(5):5833-41. doi: 10.1364/OE.21.005833. PMID: 23482152.
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Image Dithering: Eleven Algorithms and Source Code
Dithering: An Overview
Today’s graphics programming topic – dithering – is one I receive a lot of emails about, which some may find surprising. You might think that dithering is something programmers …