From raster to vectors: Extracting visual information from line drawings

被引:17
作者
Wenyin L. [1 ,2 ,4 ,7 ]
Dori D. [3 ,5 ,6 ]
机构
[1] Microsoft Research, Beijing
[2] Dept. of Comp. Sci. and Technology, Tsinghua University, Beijing
[3] Fac. of Indust. Eng. and Management, Technion - Israel Inst. of Technol., Haifa
[4] IEEE Computer Society, ACM
[5] Microsoft Research, Sigma Center, #49 Zhichun Road
关键词
Document analysis and recognition; Line drawings; Polygonalisation; Raster-to-vector; Thinning; Vectorisation;
D O I
10.1007/s100440050010
中图分类号
学科分类号
摘要
Vectorisation of raster line images is a relatively mature subject in the document analysis and recognition field, but it is far from being perfect as yet. We survey the methods and algorithms developed to-date for the vectorisation of document images, and classify them into six categories: Hough transform-based, thinning-based, contour-based, run-graph-based, mesh-pattern-based, and sparse-pixel-based. The purpose of the survey is to provide researchers with a comprehensive overview of this technique, to enable a judicious decision while selecting a vectorisation algorithm for a system under development or a newly developed vectorisation algorithm. © 1999 Springer-Verlag London Limited.
引用
收藏
页码:10 / 21
页数:11
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