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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作品出自张氏花馍第四代传承人张伟之手。张伟介绍，从麦子的筛选、晾晒到面粉加工，以及“搓、团、捻、擀”等10多道捏形工艺，每个环节都相当考究。“逢年过节、定亲、贺寿，这‘中式蛋糕’一摆，可喜气了。”张伟说。