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Proceedings Paper

Classification-based hybrid filters for image processing
Author(s): H. Hu; G.erard de Haan
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Paper Abstract

The paper proposes a new type of nonlinear filters, classification-based hybrid filters, which jointly utilize spatial, rank order and structural information in image processing. The proposed hybrid filters use a vector containing the observation samples in both spatial and rank order. The filter coefficients depend on the local structure of the image content, which can be classified based on the luminance pattern in the filter window. The optimal coefficients for each class are obtained by the Least Mean Square optimization. We show that the proposed classification-based hybrid filters exhibit improved performance over linear filters and order statistic filters in several applications, image de-blocking, impulsive noise reduction and image interpolation. Both quantitative and qualitative comparison have also been presented in the paper.

Paper Details

Date Published: 19 January 2006
PDF: 10 pages
Proc. SPIE 6077, Visual Communications and Image Processing 2006, 607711 (19 January 2006); doi: 10.1117/12.642138
Show Author Affiliations
H. Hu, Eindhoven Univ. of Technology (Netherlands)
G.erard de Haan, Eindhoven Univ. of Technology (Netherlands)
Philips Research Labs. Eindhoven (Netherlands)

Published in SPIE Proceedings Vol. 6077:
Visual Communications and Image Processing 2006
John G. Apostolopoulos; Amir Said, Editor(s)

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