收稿日期: 2014-10-27
修回日期: 2015-06-10
网络出版日期: 2016-01-15
基金资助
国家自然科学基金 (60872065)、制造与自动化省高校重点实验室开放课题(2014)、高速铁路线路工程教育部重点实验室开放基金(2014-HRE-01)、江苏省粮油品质控制及深加工技术重点实验室开放基金 (LYPK201304)和江苏高校优势学科建设工程项目(2012)资助
Target edge detection based on SUSAN operator and corner discriminant factor
Received date: 2014-10-27
Revised date: 2015-06-10
Online published: 2016-01-15
吴一全 , 王凯 . 基于SUSAN算子和角点判别因子的目标边缘检测[J]. 中国科学院大学学报, 2016 , 33(1) : 128 -134 . DOI: 10.7523/j.issn.2095-6134.2016.01.019
This work aims at the images with intensive corners in the target area and sparse corners in the background area.To extract the edges of target area more accurately and more completely and to eliminate the background, a target edge detection method based on SUSAN operator and corner discriminant factor is proposed. First, the corners of image are extracted by SUSAN operator and the isolated noise points in the image are filtered. Then, target corner discriminant factor is defined for elimination of corners in the background area and preservation of corners in the target area. Finally, according to the similar standard of effectiveness, other edge points are detected based on the target corner standard and the target edges are obtained. A large number of experimental results show that, compared with Canny method, the improved bee colony method, and the improved non-subsampled contourlet modulus maxima method, the proposed method avoids the interference of background area effectively and locate the target area accurately. The obtained edge profile can be connected and is complete with abundant details. It has better subjective visual effect and stronger anti-noise ability with less running time.
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