4.6 Article

Sobel Edge Detection Based on Weighted Nuclear Norm Minimization Image Denoising

期刊

ELECTRONICS
卷 10, 期 6, 页码 -

出版社

MDPI
DOI: 10.3390/electronics10060655

关键词

Sobel operator; weighted nuclear norm minimization; image denoising; edge detection

资金

  1. National Natural Science Foundation of China [61771262]
  2. Tianjin Science and Technology Major Project and Engineering [18ZXRHNC00140]
  3. Tianjin Key Laboratory of Optoelectronic Sensor and Sensor Network Technology

向作者/读者索取更多资源

An optimized scheme for edge detection is proposed in this study, which combines the WNNM image denoising algorithm with the Sobel edge detection algorithm to enhance anti-noise performance. Experimental results demonstrate that the algorithm can achieve better detection outcomes when processing noisy images.
As a classic and effective edge detection operator, the Sobel operator has been widely used in image segmentation and other image processing technologies. This operator has obvious advantages in the speed of extracting the edge of images, but it also has the disadvantage that the detection effect is not ideal when the image contains noise. In order to solve this problem, this paper proposes an optimized scheme for edge detection. In this scheme, the weighted nuclear norm minimization (WNNM) image denoising algorithm is combined with the Sobel edge detection algorithm, and the excellent denoising performance of the WNNM algorithm in a noise environment is utilized to improve the anti-noise performance of the Sobel operator. The experimental results show that the optimization algorithm can obtain better detection results when processing noisy images, and the advantages of the algorithm become more obvious with the increase of noise intensity.

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