An improved Canny edge detector and its realization on FPGA

Canny edge detector treats edge detection as a signal processing problem to design an optimal edge detector and has been widely used for edge detection. However, the traditional Canny edge detector has two shortcomings. First, the threshold of the algorithm needs to be set by manual. Secondly, the a...

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Published in2008 7th World Congress on Intelligent Control and Automation pp. 6561 - 6564
Main Authors Wenhao He, Kui Yuan
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.06.2008
Subjects
Algorithm design and analysis
Canny algorithm
Detectors
Field programmable gate arrays
FPGA
Histograms
Image edge detection
Pixel
Real time systems
self-adapt
threshold
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ISBN1424421136
9781424421138
DOI10.1109/WCICA.2008.4594570

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Abstract Canny edge detector treats edge detection as a signal processing problem to design an optimal edge detector and has been widely used for edge detection. However, the traditional Canny edge detector has two shortcomings. First, the threshold of the algorithm needs to be set by manual. Secondly, the algorithm is very time consuming and can not be implemented in real time. A new self-adapt threshold Canny algorithm is proposed in this paper to solve the first problem. A pipelined implementation on FPGA for this new algorithm is also designed to solve the second problem. Experiment results are also given to show the efficiency of the proposed method.
AbstractList Canny edge detector treats edge detection as a signal processing problem to design an optimal edge detector and has been widely used for edge detection. However, the traditional Canny edge detector has two shortcomings. First, the threshold of the algorithm needs to be set by manual. Secondly, the algorithm is very time consuming and can not be implemented in real time. A new self-adapt threshold Canny algorithm is proposed in this paper to solve the first problem. A pipelined implementation on FPGA for this new algorithm is also designed to solve the second problem. Experiment results are also given to show the efficiency of the proposed method.
Author Wenhao He
Kui Yuan
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Snippet Canny edge detector treats edge detection as a signal processing problem to design an optimal edge detector and has been widely used for edge detection....
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StartPage 6561
SubjectTerms Algorithm design and analysis
Canny algorithm
Detectors
Field programmable gate arrays
FPGA
Histograms
Image edge detection
Pixel
Real time systems
self-adapt
threshold
Title An improved Canny edge detector and its realization on FPGA
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