A robust structure-adaptive hybrid vector filter for color image restoration

Ma, D, Wu, H and Qui, B 2005, 'A robust structure-adaptive hybrid vector filter for color image restoration', IEEE Transactions on Image Processing, vol. 14, no. 12, pp. 1990-2001.


Document type: Journal Article
Collection: Journal Articles

Title A robust structure-adaptive hybrid vector filter for color image restoration
Author(s) Ma, D
Wu, H
Qui, B
Year 2005
Journal name IEEE Transactions on Image Processing
Volume number 14
Issue number 12
Start page 1990
End page 2001
Total pages 12
Publisher IEEE
Abstract A robust structure-adaptive hybrid vector filter is proposed for digital color image restoration in this paper. At each pixel location, the image vector (i.e., pixel) is first classified into several different signal activity categories by applying a modified quadtree decomposition to luminance component (image) of the input color image. A weight-adaptive vector filtering operation with an optimal window is then activated to achieve the best tradeoff between noise suppression and detail preservation. Through extensive simulation experiments conducted using a wide range of test color images, the filter has demonstrated superior performance to that of a number of well known benchmark techniques, in terms of both standard objective measurements and perceived image quality, in suppressing several distinct types of noise commonly considered in color image restoration, including Gaussian noise, impulse noise, and mixed noise.
Subject Electrical and Electronic Engineering not elsewhere classified
Keyword(s) Adaptive vector filtering
Digital color image restoration
Modified quadtree decomposition
Structure-adaptive hybrid vector filter
DOI - identifier 10.1109/TIP.2005.857269
Copyright notice © 2005 IEEE
ISSN 1057-7149
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