2017
DOI: 10.1002/asi.23907
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Local vector pattern with global index angles for a content‐based image retrieval system

Abstract: This article proposes a content-based image retrieval (CBIR) system that employs an informative pattern-based descriptor. Recent literature has reported the development of efficient local-pattern-based descriptors, including the local vector pattern (LVP). This article extends the LVP formulation by making it more computationally efficient and informative. In the extended LVP-based extraction process, the global index angles are determined using the mutual information between the patterns, which are obtained f… Show more

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Cited by 2 publications
(2 citation statements)
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“…The basic LVP operator [47] has been originally introduced to exploit the directional information of texture image patterns in high-order derivative spaces for face recognition. It is then interested in utilising for other applications in computer vision, such as action recognition [51], image retrieval [50]. For DT description, we get involved with this operator for the first time in order to encode directional vector structures of motion points along their dense trajectories, which are extracted from a DT sequence.…”
Section: Important Extensions Of Lvpsmentioning
confidence: 99%
See 1 more Smart Citation
“…The basic LVP operator [47] has been originally introduced to exploit the directional information of texture image patterns in high-order derivative spaces for face recognition. It is then interested in utilising for other applications in computer vision, such as action recognition [51], image retrieval [50]. For DT description, we get involved with this operator for the first time in order to encode directional vector structures of motion points along their dense trajectories, which are extracted from a DT sequence.…”
Section: Important Extensions Of Lvpsmentioning
confidence: 99%
“…In practice, four possible directions are often employed in real applications, i.e. α=falsefalse{0°,45°,90°,135°falsefalse}, to enrich discriminative information of descriptors [47, 50, 51].…”
Section: Related Workmentioning
confidence: 99%