### Image edge detection algorithm and its new development

ZHANG Hongxia, WANG Can, LIU Xin, SHEN Kaiyun, FU Xiujuan, WANG Xuehua

1. School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
• Online:2018-07-15 Published:2018-08-06

### 图像边缘检测算法研究新进展

1. 武汉工程大学 材料科学与工程学院，武汉 430205

Abstract: Edge detection is a key process in the field of image processing and machine vision, which can be used to the evaluation of product appearance quality and the improvement of technical route. Improving the traditional algorithm and designing new algorithm has become the research focus of image edge detection technology. This paper summarizes the basic principle of 2D image edge detection and the latest research progress of all kinds of edge detection algorithm. The first and second order differential operators are compared in terms of signal-to-noise ratio, location accuracy, and the advantages and disadvantages of each algorithm are analyzed. At the same time, it also summarizes the new progress of the modern edge detection algorithm in digital image processing, and points out the advantages and application features of the new algorithm in modern digital image processing.