alexa RESEARCH ON SPATIAL FILTERS AND HOMOMORPHIC FILTERING M
ISSN: 1948-1432

Journal of Global Research in Computer Sciences
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Research Article

RESEARCH ON SPATIAL FILTERS AND HOMOMORPHIC FILTERING METHODS

Kanwaljeet Kaur*1, Gurjant Singh2 and Abhinash Singla3
  1. Computer Science & Engineering, Bhai Gurdas Institute of Engineering and Technology, Sangrur,Punjab India
  2. Computer Science &Engineering, Bhai Gurdas Institute of Engineering and Technology, Sangrur, Punjab,India, [email protected]
  3. Computer Science &Engineering, Bhai Gurdas Institute of Engineering and Technology, Sangrur, Punjab,India, [email protected]
Corresponding author: Kanwaljeet Kaur, E-mail: [email protected]
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Abstract

In image processing, denoising is one of the important tasks. Despite the significant research conducted on this topic, the development of efficient denoising methods is still a compelling challenge. In this paper, comparison of Spatial Filters methods with the Homomorphic Filters Methods. The spatial filter methods like Median Filter and Wiener Filter are based on the simple formulas that are proposed by different authors. In Homomorphic Filters Method NormalShrink and BayesShrink are used. The basic idea of homomorphic methods is to denoise the image by applying wavelet transform to the noisy image, then thresholding the detailed wavelet coefficient and inverse transforming the set of thresholded coefficient to obtain the denoised image. In this soft thresholding technique is applied.

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