Evolutionary Multiobjective Multiple Description Wavelet Based Image Coding in the Presence of Mixed Noise in Images

  • Yazar/lar YAVARIABDI, Amir
    KUSETOĞULLARI, Hüseyin
  • Yayın Türü Makale
  • Yayın Tarihi 2018
  • Yayıncı Applied Soft Computing
  • Tek Biçim Adres https://hdl.handle.net/20.500.12498/874

In this paper, a novel method for generation of multiple description (MD) wavelet based image coding is proposed by using Multi-Objective Evolutionary Algorithms (MOEAs). Complexity of the multimedia transmission problem has been increased for MD coders if an input image is affected by any type of noise. In this case, it is necessary to solve two different problems which are designing the optimal side quantizers and estimating optimal parameters of the denoising filter. Existing MD coding (MDC) generation methods are capable of solving only one problem which is to design side quantizers from the given noise-free image but they can fail reducing any type of noise on the descriptions if they applied to the given noisy image and this will cause bad quality of multimedia transmission in networks. Proposed method is used to overcome these difficulties to provide effective multimedia transmission in lossy networks. To achieve it, Dual Tree-Complex Wavelet Transform (DT-CWT) is first applied to the noisy image to obtain the subbands or set of coefficients which are used as a search space in the optimization problem. After that, two different objective functions are simultaneously employed in the MOEA to find pareto optimal solutions with the minimum costs by evolving the initial individuals through generations. Thus, optimal quantizers are created for MDCs generation and obtained optimum parameters are used in the image filter to remove the mixed Gaussian impulse noise on the descriptions effectively. The results demonstrate that proposed method is robust to the mixed Gaussian impulse noise, and offers a significant improvement of optimal side quantizers for balanced MDCs generation at different bitrates.

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Yayıncı
(dc.publisher)
Applied Soft Computing
Haklar
(dc.rights)
Diğer
Eser Adı
(dc.title)
Evolutionary Multiobjective Multiple Description Wavelet Based Image Coding in the Presence of Mixed Noise in Images
Özet
(dc.description.abstract)
In this paper, a novel method for generation of multiple description (MD) wavelet based image coding is proposed by using Multi-Objective Evolutionary Algorithms (MOEAs). Complexity of the multimedia transmission problem has been increased for MD coders if an input image is affected by any type of noise. In this case, it is necessary to solve two different problems which are designing the optimal side quantizers and estimating optimal parameters of the denoising filter. Existing MD coding (MDC) generation methods are capable of solving only one problem which is to design side quantizers from the given noise-free image but they can fail reducing any type of noise on the descriptions if they applied to the given noisy image and this will cause bad quality of multimedia transmission in networks. Proposed method is used to overcome these difficulties to provide effective multimedia transmission in lossy networks. To achieve it, Dual Tree-Complex Wavelet Transform (DT-CWT) is first applied to the noisy image to obtain the subbands or set of coefficients which are used as a search space in the optimization problem. After that, two different objective functions are simultaneously employed in the MOEA to find pareto optimal solutions with the minimum costs by evolving the initial individuals through generations. Thus, optimal quantizers are created for MDCs generation and obtained optimum parameters are used in the image filter to remove the mixed Gaussian impulse noise on the descriptions effectively. The results demonstrate that proposed method is robust to the mixed Gaussian impulse noise, and offers a significant improvement of optimal side quantizers for balanced MDCs generation at different bitrates.
Yayın Tarihi
(dc.date.issued)
2018
Kayıt Giriş Tarihi
(dc.date.accessioned)
2019-07-09T12:53:09Z
Açık Erişim tarihi
(dc.date.available)
2019-07-09T12:53:09Z
Yayın Dili
(dc.language.iso)
eng
Atıf için Künye
(dc.identifier.citation)
1
Yayın Türü
(dc.type)
Makale
Yazar/lar
(dc.contributor.author)
YAVARIABDI, Amir
Yazar/lar
(dc.contributor.author)
KUSETOĞULLARI, Hüseyin
Tek Biçim Adres
(dc.identifier.uri)
https://hdl.handle.net/20.500.12498/874
Atıf Dizini
(dc.source.database)
Wos
Atıf Dizini
(dc.source.database)
Scopus
Açıklama
(dc.description)
Highlights 1) A multiobjective optimization algorithm (MOEA) has been adapted to optimize two different objective functions and find Pareto solutions. 2) The MOEA is integrated with Dual-Tree Complex Wavelet Transform (DT-CWT) to provide effective multimedia communication in lossy networks. 3) The DT-CWT is used to obtain the subbands or set of coefficients which are used as a search space in the optimization problem. 4) One fitness function is designed to generate optimal multiple description coding (MDCs) or descriptions and the second one is used to obtain optimal parameter values for denoising filter to reduce mixed noise on descriptions. 5) Proposed adaptive MDC system can be applied to the corrupted mixed noisy image (e.g. Gaussian and Impulse noise).
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