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WLD: A Robust Local Image Descriptor

Jie Chen, Shiguang Shan, Chu He, Guoying Zhao, Pietikäinen, Matti, Xilin Chen, Wen Gao·2010·IEEE Transactions on Pattern Analysis and Machine Intelligence

Abstract

Inspired by Weber's Law, this paper proposes a simple, yet very powerful and robust local descriptor, called the Weber Local Descriptor (WLD). It is based on the fact that human perception of a pattern depends not only on the change of a stimulus (such as sound, lighting) but also on the original intensity of the stimulus. Specifically, WLD consists of two components: differential excitation and orientation. The differential excitation component is a function of the ratio between two terms: One is the relative intensity differences of a current pixel against its neighbors, the other is the intensity of the current pixel. The orientation component is the gradient orientation of the current pixel. For a given image, we use the two components to construct a concatenated WLD histogram. Experimental results on the Brodatz and KTH-TIPS2-a texture databases show that WLD impressively outperforms the other widely used descriptors (e.g., Gabor and SIFT). In addition, experimental results on human face detection also show a promising performance comparable to the best known results on the MIT+CMU frontal face test set, the AR face data set, and the CMU profile test set.

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Metadata

Authors
Chen, J., Shan, S., He, C., Zhao, G., Pietikäinen, M., Chen, X., & Gao, W.
Venue
IEEE Transactions on Pattern Analysis and Machine Intelligence
Published
2010-09
Volume
32
Issue
9
Pages
1705-1720
ISSN
0162-8828 (ISSN-L)
OpenAlex
W2130258210
Cited by
1,024
References
8
FWCI
32.98
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: WLD: A Robust Local Image Descriptor. https://app.cochat.ai/papers/10.1109/tpami.2009.155
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Chen, J., Shan, S., He, C., Zhao, G., Pietikäinen, M., Chen, X., & Gao, W. (2010). WLD: A Robust Local Image Descriptor. IEEE Transactions on Pattern Analysis and Machine Intelligence. https://doi.org/10.1109/tpami.2009.155

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