Locality-preserving descriptor for robust texture feature representation

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Recent texture classification methods include rotation-invariant feature-encoding procedures based on local binary patterns. Such methods are robust to rotational changes, but they result in discarded locality information (i.e., geometrical information) of texture images. Hence, we present a locality-preserving descriptor that encodes rotation-invariant features. The proposed method samples neighboring pixels similar to procedures based on local binary patterns, but neighborhood sampling is done based on Gabor Maximum Orientation to ensure that locality is preserved. Conventional methods discard the locality information because bit patterns are grouped for rotation-invariant encoding. In other words, the grouping procedure ignores the geometry of each bit pattern. However, the proposed locality-preserving descriptor does not include a grouping procedure, though it is both rotation invariant and locality preserving, owing to Gabor filter banks. In the experiments, we demonstrated the state-of-the-art performance of our method with widely used texture datasets. (C) 2016 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2016-11
Language
English
Article Type
Article
Keywords

FACE RECOGNITION; BINARY PATTERN; CLASSIFICATION; ROTATION

Citation

NEUROCOMPUTING, v.214, pp.729 - 738

ISSN
0925-2312
DOI
10.1016/j.neucom.2016.07.010
URI
http://hdl.handle.net/10203/219651
Appears in Collection
CS-Journal Papers(저널논문)
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