EFFICIENT LINE DETECTION METHOD BASED ON 2D CONVOLUTION FILTER


Abstract

The article proposes an efficient line detection method using a 2D convolution filter. The proposed method was compared with the Hough transform, the most popular method of straight lines detection. The developed method is suitable for local detection of straight lines with a slope from
-45˚ to 45˚.  Also, it can be used for curve detection which shape is approximated with the short straight sections. The new method is characterized by a constant computational cost regardless of the number of set pixels. The convolution is performed using the logical conjunction and sum operations. Moreover, design of the developed filter and the method of filtration allows for parallelization. Due to constant computation cost, the new method is suitable for implementation in the hardware structure of real-time image processing systems.


Keywords

image processing; real-time processing; Hough transform; straight lines detection

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Published : 2021-12-20


Kowalski, P., & Tojza, P. (2021). EFFICIENT LINE DETECTION METHOD BASED ON 2D CONVOLUTION FILTER. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 11(4), 22-27. https://doi.org/10.35784/iapgos.2817

Paweł Kowalski  pawel.kowalski@pg.edu.pl
Gdansk University of Technology  Poland
http://orcid.org/0000-0002-0913-1408
Piotr Tojza 
Gdansk University of Technology  Poland
http://orcid.org/0000-0002-0837-0976