All of the examples demonstrating ordered dithering so far have been produced using a specific type of threshold matrix commonly known as a Bayer matrix. In theory however any matrix could be used and a number of alternatives are available depending on your qualitative preference. Matrices also don’t have to be square or even rectangular; polyomino-based dithering matrices have been explored as well[6].
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Nvidia is the world's most valuable publicly-traded company, with a stock market value of around $4.8tn.
第五十条 办理退（免）税的出口业务发生销售折让、中止或者退回等情形的，纳税人应当缴回已退（免）税款。。51吃瓜对此有专业解读