Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14821
Title: Multiscale directional filter bank with applications to structured and random texture retrieval
Authors: Cheng, K
Law, N 
Siu, W 
Keywords: Directional filter bank
Multiscale directional filter bank
Rotation-invariant features
Texture characterization
Texture retrieval
Issue Date: 2007
Publisher: Elsevier
Source: Pattern recognition, 2007, v. 40, no. 4, p. 1182-1194 How to cite?
Journal: Pattern recognition 
Abstract: In this paper, multiscale directional filter bank (MDFB) is investigated for texture characterization and retrieval. First, the problem of aliasing in decimated bandpass images on directional decomposition is addressed. MDFB is then designed to suppress the aliasing effect as well as to minimize the reduction in frequency resolution. Second, an entropy-based measure on energy signatures is proposed to classify structured and random textures. With the use of this measure for texture pre-classification, an optimized retrieval performance can be achieved by selecting the MDFB-based method for retrieving structured textures and a statistical or model-based method for retrieving random textures. In addition, a feature reduction scheme and a rotation-invariant conversion method are developed. The former is developed so as to find the most representative features while the latter is developed to provide a set of rotation-invariant features for texture characterization. Experimental works confirm that they are effective for texture retrieval.
URI: http://hdl.handle.net/10397/14821
ISSN: 0031-3203
EISSN: 1873-5142
DOI: 10.1016/j.patcog.2006.07.014
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