Mirroring and rotating images in linear quadtree form with few machine instructions
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摘要
Algorithms are derived for four mirroring and three 90° increment rotation transformations which operate directly on location codes of linear quadtrees. Execution is very fast since neither decoding nor encoding opera tions are necessary.
论文关键词:quadtrees,octrees,digital geometry,digital isometry,linear quadtrees
论文评审过程:Received 26 November 1991, Revised 6 April 1992, Available online 14 August 2003.
论文官网地址:https://doi.org/10.1016/0262-8856(93)90077-T