张立亭;黄晓浪;鹿琳琳;陈竹安;罗亦泳;

• 1:东华理工大学测绘工程学院
• 2:江西省数字国土重点实验室
• 3:中国科学院遥感与数字地球研究所数字地球重点实验室

摘要(Abstract)：

针对Harris算法提取的角点对尺度变化较敏感,且运行速度慢的问题,该文提出了一种基于相似像素的Harris角点检测改进算法。受SUSAN算法启发,改进算法首先计算目标像素8邻域内与之相似的像素数目,并据此筛选出候选角点;然后利用候选角点的相似像素数目改进角点响应函数;最后进行局部非极大抑制确定最终角点。实验结果表明,与Harris算法相比,改进算法所提取的角点位置更加准确,重复率较高,且角点检测时间仅为原算法的26.63%。本文所提算法提高了Harris算法的角点检测效率和稳定性。

关键词(KeyWords)： Harris算法;角点检测;角点响应函数;相似像素;图像处理

Abstract:

Keywords:

基金项目(Foundation): 江西省自然科学基金项目(2016BAB203102);; 江西省教育厅科学技术研究重点项目(GJJ150555)

作者(Authors): 张立亭;黄晓浪;鹿琳琳;陈竹安;罗亦泳;

DOI: 10.16251/j.cnki.1009-2307.2019.07.017

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