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WLBP: Weber local binary pattern for local image description

WLBP : 为本地图象描述的威伯本地人二进制代码模式

作     者:Liu, Fan Tang, Zhenmin Tang, Jinhui 

作者机构:Nanjing Univ Sci & Technol Sch Comp Sci & Technol Nanjing 210094 Jiangsu Peoples R China 

出 版 物:《NEUROCOMPUTING》 (神经计算)

年 卷 期:2013年第120卷

页      面:325-335页

核心收录:

学科分类:08[工学] 0812[工学-计算机科学与技术(可授工学、理学学位)] 

主  题:Local binary pattern Weber's law Differential excitation Face recognition Texture classification 

摘      要:In this paper, we propose a local descriptor, called Weber Local Binary Pattern (WLBP1), which effectively combines the advantages of WLD and LBP. Specifically, WLBP consists of two components: differential excitation and LBP. The differential excitation extracts perception features by Weber s law, while the LBP (Local Binary Pattern) can describe local features splendidly. By computing the two components, we obtain wo images: differential excitation image and LBP image, from which a WLBP histogram is constructed. The differential excitation was extended by bringing in Laplacian of Gaussian (LoG), which makes WLBP robust to noise. By designing a new quantization method, the discriminabilty of WLBP was enhanced. The proposed method is evaluated on the face recognition problem under different challenges. Experimental results show that WLBP performs better than WLD and LBP. Meanwhile, it is robust to time, facial expressions, lightings, pose and noise. We also conduct experiments on Brodatz and KTH-TIPS2-a texture databases, which demonstrate that WLBP is a powerful texture descriptor. (c) 2013 Elsevier B.V. All rights reserved.

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