Reduction of blocking artifacts in both spatial domain and transformed domain

Ling, Wing-Kuen and Tam, Kwong-Shun (2001) Reduction of blocking artifacts in both spatial domain and transformed domain. In: The Second International Conference on Wavelet Analysis and Its Applications, December 2001, Hong Kong.

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Abstract

In this paper, we propose a bi-domain technique to reduce the blocking artifacts commonly incurred in image processing. Some pixels are sampled in the shifted image block and some high frequency components of the corresponding transformed block are discarded. By solving for the remaining unknown pixel values and the transformed coefficients, a less blocky image is obtained. Simulation results using the Discrete Cosine Transform and the Slant Transform show that the proposed algorithm gives a better quantitative result and image quality than that of the existing methods.

Item Type:Conference or Workshop Item (Paper)
Additional Information:In this paper, we propose a bi-domain technique to reduce the blocking artifacts commonly incurred in image processing. Some pixels are sampled in the shifted image block and some high frequency components of the corresponding transformed block are discarded. By solving for the remaining unknown pixel values and the transformed coefficients, a less blocky image is obtained. Simulation results using the Discrete Cosine Transform and the Slant Transform show that the proposed algorithm gives a better quantitative result and image quality than that of the existing methods.
Keywords:blocking artifacts, wavelet denoising, transformed domain
Subjects:H Engineering > H610 Electronic Engineering
Divisions:College of Science > School of Engineering
ID Code:3114
Deposited By:INVALID USER
Deposited On:02 Aug 2010 09:58
Last Modified:13 Mar 2013 08:43

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