Improved Canny Edge Detector Using Principal Curvatures

Cesar Bustacara-Medina; Leonardo Florez-Valencia; Luis Carlos Diaz

doi:doi:10.11648/j.jeee.20200804.11

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Improved Canny Edge Detector Using Principal Curvatures

Cesar Bustacara-Medina, Leonardo Florez-Valencia, Luis Carlos Diaz

Published in Journal of Electrical and Electronic Engineering (Volume 8, Issue 4)

Received: 30 June 2020 Accepted: 20 July 2020 Published: 10 August 2020

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Abstract

Canny edge detector is a very popular and effective edge feature detector that is used as a preprocessing step in many computer vision algorithms. It is a multi-step detector, which performs smoothing, filtering, non-maximum suppression, followed by a connected-component analysis stage to detect “true” edges, while suppressing “false” non-edge filter responses. Based on the literature, traditional Canny edge detector is sensitive to noise, hence it may lose the weak edge information after noise removal and show poor adaptability of fixed parameters like threshold values. In addition, Canny algorithm tends to over-smooth the noise, resulting in the loss of edge images or pseudo-edges, and the method of selecting thresholds is artificial, and the subjective factors are strong and computationally complex. This paper proposes an improvement to the traditional Canny algorithm by adding curvature information in the non-maximum suppression step (NMS) in order to obtain an accurate edge identification. Additionally, a set of tests and results is presented that show how by adding curvature characteristics to the NMS process, better results are obtained in the edge detection in Canny’s algorithm.

Published in	Journal of Electrical and Electronic Engineering (Volume 8, Issue 4)
DOI	10.11648/j.jeee.20200804.11
Page(s)	109-116
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Edge Detection, Non-maximum Suppression, Canny Edge Detector, Low-Level Processing

References

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APA Style

Cesar Bustacara-Medina, Leonardo Florez-Valencia, Luis Carlos Diaz. (2020). Improved Canny Edge Detector Using Principal Curvatures. Journal of Electrical and Electronic Engineering, 8(4), 109-116. https://doi.org/10.11648/j.jeee.20200804.11

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ACS Style

Cesar Bustacara-Medina; Leonardo Florez-Valencia; Luis Carlos Diaz. Improved Canny Edge Detector Using Principal Curvatures. J. Electr. Electron. Eng. 2020, 8(4), 109-116. doi: 10.11648/j.jeee.20200804.11

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AMA Style

Cesar Bustacara-Medina, Leonardo Florez-Valencia, Luis Carlos Diaz. Improved Canny Edge Detector Using Principal Curvatures. J Electr Electron Eng. 2020;8(4):109-116. doi: 10.11648/j.jeee.20200804.11

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@article{10.11648/j.jeee.20200804.11,
  author = {Cesar Bustacara-Medina and Leonardo Florez-Valencia and Luis Carlos Diaz},
  title = {Improved Canny Edge Detector Using Principal Curvatures},
  journal = {Journal of Electrical and Electronic Engineering},
  volume = {8},
  number = {4},
  pages = {109-116},
  doi = {10.11648/j.jeee.20200804.11},
  url = {https://doi.org/10.11648/j.jeee.20200804.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeee.20200804.11},
  abstract = {Canny edge detector is a very popular and effective edge feature detector that is used as a preprocessing step in many computer vision algorithms. It is a multi-step detector, which performs smoothing, filtering, non-maximum suppression, followed by a connected-component analysis stage to detect “true” edges, while suppressing “false” non-edge filter responses. Based on the literature, traditional Canny edge detector is sensitive to noise, hence it may lose the weak edge information after noise removal and show poor adaptability of fixed parameters like threshold values. In addition, Canny algorithm tends to over-smooth the noise, resulting in the loss of edge images or pseudo-edges, and the method of selecting thresholds is artificial, and the subjective factors are strong and computationally complex. This paper proposes an improvement to the traditional Canny algorithm by adding curvature information in the non-maximum suppression step (NMS) in order to obtain an accurate edge identification. Additionally, a set of tests and results is presented that show how by adding curvature characteristics to the NMS process, better results are obtained in the edge detection in Canny’s algorithm.},
 year = {2020}
}

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TY  - JOUR
T1  - Improved Canny Edge Detector Using Principal Curvatures
AU  - Cesar Bustacara-Medina
AU  - Leonardo Florez-Valencia
AU  - Luis Carlos Diaz
Y1  - 2020/08/10
PY  - 2020
N1  - https://doi.org/10.11648/j.jeee.20200804.11
DO  - 10.11648/j.jeee.20200804.11
T2  - Journal of Electrical and Electronic Engineering
JF  - Journal of Electrical and Electronic Engineering
JO  - Journal of Electrical and Electronic Engineering
SP  - 109
EP  - 116
PB  - Science Publishing Group
SN  - 2329-1605
UR  - https://doi.org/10.11648/j.jeee.20200804.11
AB  - Canny edge detector is a very popular and effective edge feature detector that is used as a preprocessing step in many computer vision algorithms. It is a multi-step detector, which performs smoothing, filtering, non-maximum suppression, followed by a connected-component analysis stage to detect “true” edges, while suppressing “false” non-edge filter responses. Based on the literature, traditional Canny edge detector is sensitive to noise, hence it may lose the weak edge information after noise removal and show poor adaptability of fixed parameters like threshold values. In addition, Canny algorithm tends to over-smooth the noise, resulting in the loss of edge images or pseudo-edges, and the method of selecting thresholds is artificial, and the subjective factors are strong and computationally complex. This paper proposes an improvement to the traditional Canny algorithm by adding curvature information in the non-maximum suppression step (NMS) in order to obtain an accurate edge identification. Additionally, a set of tests and results is presented that show how by adding curvature characteristics to the NMS process, better results are obtained in the edge detection in Canny’s algorithm.
VL  - 8
IS  - 4
ER  -

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Author Information

Cesar Bustacara-Medina

Department of Systems Engineering, Pontificia Universidad Javeriana, Bogota D. C., Colombia
Leonardo Florez-Valencia

Department of Systems Engineering, Pontificia Universidad Javeriana, Bogota D. C., Colombia
Luis Carlos Diaz

Department of Systems Engineering, Pontificia Universidad Javeriana, Bogota D. C., Colombia

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Plain Text BibTeX RIS

APA Style

Cesar Bustacara-Medina, Leonardo Florez-Valencia, Luis Carlos Diaz. (2020). Improved Canny Edge Detector Using Principal Curvatures. Journal of Electrical and Electronic Engineering, 8(4), 109-116. https://doi.org/10.11648/j.jeee.20200804.11

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ACS Style

Cesar Bustacara-Medina; Leonardo Florez-Valencia; Luis Carlos Diaz. Improved Canny Edge Detector Using Principal Curvatures. J. Electr. Electron. Eng. 2020, 8(4), 109-116. doi: 10.11648/j.jeee.20200804.11

Copy | Download

AMA Style

Cesar Bustacara-Medina, Leonardo Florez-Valencia, Luis Carlos Diaz. Improved Canny Edge Detector Using Principal Curvatures. J Electr Electron Eng. 2020;8(4):109-116. doi: 10.11648/j.jeee.20200804.11

Copy | Download

@article{10.11648/j.jeee.20200804.11,
  author = {Cesar Bustacara-Medina and Leonardo Florez-Valencia and Luis Carlos Diaz},
  title = {Improved Canny Edge Detector Using Principal Curvatures},
  journal = {Journal of Electrical and Electronic Engineering},
  volume = {8},
  number = {4},
  pages = {109-116},
  doi = {10.11648/j.jeee.20200804.11},
  url = {https://doi.org/10.11648/j.jeee.20200804.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jeee.20200804.11},
  abstract = {Canny edge detector is a very popular and effective edge feature detector that is used as a preprocessing step in many computer vision algorithms. It is a multi-step detector, which performs smoothing, filtering, non-maximum suppression, followed by a connected-component analysis stage to detect “true” edges, while suppressing “false” non-edge filter responses. Based on the literature, traditional Canny edge detector is sensitive to noise, hence it may lose the weak edge information after noise removal and show poor adaptability of fixed parameters like threshold values. In addition, Canny algorithm tends to over-smooth the noise, resulting in the loss of edge images or pseudo-edges, and the method of selecting thresholds is artificial, and the subjective factors are strong and computationally complex. This paper proposes an improvement to the traditional Canny algorithm by adding curvature information in the non-maximum suppression step (NMS) in order to obtain an accurate edge identification. Additionally, a set of tests and results is presented that show how by adding curvature characteristics to the NMS process, better results are obtained in the edge detection in Canny’s algorithm.},
 year = {2020}
}

Copy | Download

TY  - JOUR
T1  - Improved Canny Edge Detector Using Principal Curvatures
AU  - Cesar Bustacara-Medina
AU  - Leonardo Florez-Valencia
AU  - Luis Carlos Diaz
Y1  - 2020/08/10
PY  - 2020
N1  - https://doi.org/10.11648/j.jeee.20200804.11
DO  - 10.11648/j.jeee.20200804.11
T2  - Journal of Electrical and Electronic Engineering
JF  - Journal of Electrical and Electronic Engineering
JO  - Journal of Electrical and Electronic Engineering
SP  - 109
EP  - 116
PB  - Science Publishing Group
SN  - 2329-1605
UR  - https://doi.org/10.11648/j.jeee.20200804.11
AB  - Canny edge detector is a very popular and effective edge feature detector that is used as a preprocessing step in many computer vision algorithms. It is a multi-step detector, which performs smoothing, filtering, non-maximum suppression, followed by a connected-component analysis stage to detect “true” edges, while suppressing “false” non-edge filter responses. Based on the literature, traditional Canny edge detector is sensitive to noise, hence it may lose the weak edge information after noise removal and show poor adaptability of fixed parameters like threshold values. In addition, Canny algorithm tends to over-smooth the noise, resulting in the loss of edge images or pseudo-edges, and the method of selecting thresholds is artificial, and the subjective factors are strong and computationally complex. This paper proposes an improvement to the traditional Canny algorithm by adding curvature information in the non-maximum suppression step (NMS) in order to obtain an accurate edge identification. Additionally, a set of tests and results is presented that show how by adding curvature characteristics to the NMS process, better results are obtained in the edge detection in Canny’s algorithm.
VL  - 8
IS  - 4
ER  -

Copy | Download