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Image region description using orthogonal combination of local binary patterns enhanced with color information

Chao Zhu 1 Charles-Edmond Bichot 1 Liming Chen 1 
1 imagine - Extraction de Caractéristiques et Identification
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : Visual content description is a key issue for machine-based image analysis and understanding. A good visual descriptor should be both discriminative and computationally efficient while possessing some properties of robustness to viewpoint changes and lighting condition variations. In this paper, we propose a new operator called the orthogonal combination of local binary patterns (denoted as OC-LBP) and six new local descriptors based on OC-LBP enhanced with color information for image region description. The aim is to increase both discriminative power and photometric invariance properties of the original LBP operator while keeping its computational efficiency. The experiments in three different applications show that the proposed descriptors outperform the popular SIFT, CS-LBP, HOG and SURF, and achieve comparable or even better performances than the state-of-the-art color SIFT descriptors. Meanwhile, the proposed descriptors provide complementary information to color SIFT, because a fusion of these two kinds of descriptors is found to perform clearly better than either of the two separately. Moreover, the proposed descriptors are about 4 times faster to compute than color SIFT.
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Submitted on : Wednesday, June 29, 2016 - 3:46:55 PM
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Chao Zhu, Charles-Edmond Bichot, Liming Chen. Image region description using orthogonal combination of local binary patterns enhanced with color information. Pattern Recognition, Elsevier, 2013, 7, 46, pp.1949-1963. ⟨10.1016/j.patcog.2013.01.003⟩. ⟨hal-01339149⟩



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