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DOI: 10.14569/IJACSA.2020.0110188
PDF

Towards an Improvement of Fourier Transform

Author 1: Khalid Aznag
Author 2: Toufik Datsi
Author 3: Ahmed El Oirrak
Author 4: Essaid El Bachari

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 11 Issue 1, 2020.

  • Abstract and Keywords
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Abstract: With the development of information technology and the coming period of large data, the image signals play an increasingly more significant role in our life because of the phenomenal development of system correspondence innovation, and the comparing high proficiency image handling strategies are requested earnestly. The Fourier transform is an important image processing tool, which is used in a wide range of applications, such as image filtering, image analysis, image compression and image reconstruction. It 's the simplest among the other transformation method used in mathematics. The real time consumption is lesser due to this method. It has a vast use in image processing, particularly object 2D, 3D and other representation. This paper proposes a new Fourier transform which is called Non Uniform Fourier Transform (NUFT). The proposed descriptor takes into consideration the change of point index. Also, an application is made on 2D set of points and a real image. The main advantages of the proposed transform are invariance under change of index point and robustness to noise. Also, the extraction of invariant under rotation and affinity is immediate because the linearity is assured. The proposed descriptor is tested on MPEG 7 database and compared with the normal Fourier transform to shows its efficiency. The experimental results prove the effectiveness of the proposed descriptor.

Keywords: Fourier transform; NUFT; noise; invariant

Khalid Aznag, Toufik Datsi, Ahmed El Oirrak and Essaid El Bachari, “Towards an Improvement of Fourier Transform” International Journal of Advanced Computer Science and Applications(IJACSA), 11(1), 2020. http://dx.doi.org/10.14569/IJACSA.2020.0110188

@article{Aznag2020,
title = {Towards an Improvement of Fourier Transform},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2020.0110188},
url = {http://dx.doi.org/10.14569/IJACSA.2020.0110188},
year = {2020},
publisher = {The Science and Information Organization},
volume = {11},
number = {1},
author = {Khalid Aznag and Toufik Datsi and Ahmed El Oirrak and Essaid El Bachari}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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