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Reseach Article

Dynamic Thresholding based Adaptive Canny Edge Detection

by Ferdous Hossain, Mina Asaduzzaman, Mohammad Abu Yousuf, Md. Armanur Rahman
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 135 - Number 4
Year of Publication: 2016
Authors: Ferdous Hossain, Mina Asaduzzaman, Mohammad Abu Yousuf, Md. Armanur Rahman
10.5120/ijca2016908337

Ferdous Hossain, Mina Asaduzzaman, Mohammad Abu Yousuf, Md. Armanur Rahman . Dynamic Thresholding based Adaptive Canny Edge Detection. International Journal of Computer Applications. 135, 4 ( February 2016), 37-41. DOI=10.5120/ijca2016908337

@article{ 10.5120/ijca2016908337,
author = { Ferdous Hossain, Mina Asaduzzaman, Mohammad Abu Yousuf, Md. Armanur Rahman },
title = { Dynamic Thresholding based Adaptive Canny Edge Detection },
journal = { International Journal of Computer Applications },
issue_date = { February 2016 },
volume = { 135 },
number = { 4 },
month = { February },
year = { 2016 },
issn = { 0975-8887 },
pages = { 37-41 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume135/number4/24041-2016908337/ },
doi = { 10.5120/ijca2016908337 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:34:52.656462+05:30
%A Ferdous Hossain
%A Mina Asaduzzaman
%A Mohammad Abu Yousuf
%A Md. Armanur Rahman
%T Dynamic Thresholding based Adaptive Canny Edge Detection
%J International Journal of Computer Applications
%@ 0975-8887
%V 135
%N 4
%P 37-41
%D 2016
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, a method for adaptive Canny edge detection algorithm is proposed. Adaptive Canny algorithm is used to increase the accuracy of output objects. In traditional Canny need to set two threshold values manually, so there are some defects to different images but this paper puts faorward an adaptive threshold values based on mean and median values. Our proposed adaptive Canny edge detection method can detect edges successfully which is divided into several steps. First, Gaussian filter is used to smooth and remove noise. Second, gradient magnitude is computed. Third, non-maximum suppression is applied in which the algorithm removes pixels that are not part of an edge. Finally, hysteresis thresholding is applied which uses two threshold values, upper and lower. A pixel will be marked as an edge if it’s gradient lies in between of lower and upper threshold values. A pixel will be discarded if it’s gradient below the lower or beyond the upper threshold values. Eventually, the pixels gradient is between the two threshold values will be connected as marked edge. The experimental results show the efficacy of the proposed method.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Adaptive canny sobel dynamic threshold edge detection