Raster to vector conversion of construction engineering drawings

被引：9

作者：

Song, JQ ^{[1
]}

Su, F

Li, H

Cai, SJ

机构：

[1] Nanjing Univ, State Key Lab Novel Software Technol, Nanjing 210093, Peoples R China

[2] Hong Kong Polytech Univ, Dept Bldg & Real Estate, Hong Kong, Hong Kong, Peoples R China

来源：

AUTOMATION IN CONSTRUCTION | 2002年 / 11卷 / 05期

关键词：

construction engineering drawing; seed-segment based line conversion; line network vectorization; knowledge supported vectorization;

D O I：

10.1016/S0926-5805(01)00069-3

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A novel method for vectorizing construction engineering drawing images is presented. The method consists of two algorithms: a seed-segment based line-network vectorization algorithm and a knowledge-supported vectorization algorithm designed specially for construction engineering drawings. The seed-segment based algorithm converts a line wholly and a line network globally so that both the quality and speed are satisfied. The knowledge supported vectorization algorithm takes full use of the features and rules of construction engineering drawings to solve the difficulties of vectorization caused by noises and degradations. The performance of this method is discussed at the end of this paper. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：597 / 605

页数：9

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