期刊文献+

运用旋转无关特征线实现景象匹配 被引量:7

Implementation of scene matching based on rotation invariant keylines
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摘要 为了寻求一种高效可靠的景象匹配算法,使其在复杂背景下具有尺度无关,抗旋转、光照变化和图像轻微畸变的特性,对基于特征线的景象匹配算法进行了研究。受人眼视觉系统(HVS)的启发,利用类似人眼视觉皮层滤波器组的处理方式,提出一种新的基于特征线的景象匹配方法。该方法利用向量描述特征线来完成图像间的匹配,相比特征点的匹配算法具有特征数量少,信息丰富的特点。介绍了利用提出的方法进行特征线的提取、表征与匹配的过程,总结了该匹配方法的效果和特点。实验表明,这种基于特征线的景象匹配算法可以完成复杂背景下图像间的匹配,克服了旋转和尺度缩放,并具有很好的鲁棒性,匹配精度优于1pixel,满足了自动景象匹配的稳定可靠、精度高、抗干扰能力强等要求。 In order to provide a robust scene matching algorithm with the scale and rotation invariance and less influence by different illumination under complex conditions, this paper researches scene matching techniques based on key lines. Inspired by the Human Visual System (HVS), a new scene matching method based on key lines is put forward by using a set of filters that are the same processing models as the human cortex filter. The mathod uses the vectors to describe key lines to implement the metching between the two images and is characterized by less numbers of key line and great information as compared with that of a point matching method. It introduces the extraction, expression and matching lines and gives the simulation results and matching properties. Experiment results show that the proposed method works well for the condition of rotating and scaling, and can offer the precision of scene matching of 1 pixel,which meets the requirements of high stability and good robust for complex background scene matching.
出处 《光学精密工程》 EI CAS CSCD 北大核心 2009年第7期1759-1765,共7页 Optics and Precision Engineering
基金 某军口863项目(No.2006AA703405F)
关键词 景象匹配 特征线匹配 尺度旋转无关 scene matching key line matching rotation and scale invariance
作者简介 张叶(1981-),女,吉林长春人,助理研究员,博士,2003年于吉林大学获学士学位,2008年于中国科学院长春光学精密机械与物理研究所获博士学位,主要研究方向为计算机视觉与模式识别。E-mail:zhang.leaflet@gmail.com 曲宏松(1980-),男,辽宁大连人,助理研究员,博士,2003年于吉林大学获得学士学位,2008年于中国科学院长春光学精密机械与物理研究所获得博士学位,主要研究方向为图像传感器设计及应用。E—mail:quhongsong@yahoo.com.cn 王延杰(1963-),男,吉林长春人,研究员,博士生导师,1988年于吉林工业大学获得学士学位,1998年于中国科学院长春光学精密机械与物理研究所获得硕士学位,主要研究方向为数字图像处理。E-mail:wyjciomp@gmail.com
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