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一种改进的Hough变换算法及图象特征点提取

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Indexed by: Journal Article

Date of Publication: 2003-01-01

Journal: 中国图象图形学报A辑

Included Journals: ISTIC、PKU

Volume: 8

Issue: z1

Page Number: 153-156

ISSN: 1006-8961

Key Words: Hough变换;直线检测;端点提取

Abstract: 针对传统Hough变换检测直线时会产生重复线段,无法判断直线的连贯性,不能检测出端点等不足,本文提出了一种改进的Hough变换方法.将水平和竖直直线与斜线分层进行处理,以提高检测精度;提取参数空间中局部最大点作为某一直线的对应点,避免重复直线的产生;根据图象空间中两相邻点间的距离值来排除孤立点,并识别不连续直线,可对识别出的直线检测出两端点坐标.本文开发出一个参数输入调整交互界面,以便根据图象情况灵活调整各种阈值参数,达到最佳的检测效果.

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