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].
// 核心逻辑：维护单调递增栈，仅当k0时移除高位大数
。WPS官方版本下载对此有专业解读
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