Extraction of lines and regions from grey tone line drawing images
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摘要
An algorithm is described for extracting lines from grey level digitizations of industrial drawings. The algorithm is robust, noniterative, sequential and includes procedures for differentiating shaded areas from lines. Examples are given for complex regions of a typical mechanical drawing.
论文关键词：Adaptive thresholding,Grey tone intensity surface,Line drawing,Line extraction,Line tracker,Region extraction,Region growing
论文评审过程：Received 14 September 1983, Revised 22 November 1983, Available online 19 May 2003.
论文官网地址：https://doi.org/10.1016/0031-3203(84)90047-5
