AustralieFrV1, Main, Exploration, bibRecord, 006465

Context-Based Support Vector Machines for Interconnected Image Annotation

Identifieur interne : 006465 ( Main/Exploration ); précédent : 006464; suivant : 006466

Context-Based Support Vector Machines for Interconnected Image Annotation

Auteurs : Hichem Sahbi [France] ; Xi Li [France, Australie, République populaire de Chine]

Source :

Lecture Notes in Computer Science [ 0302-9743 ] ; 2011.

RBID : ISTEX:88D346215897958587666610EAD46396BBF0CD3B

Descripteurs français

Wicri :
- topic : Base de données, Traduction automatique, Multimédia.

English descriptors

Abstract

Abstract: We introduce in this paper a novel image annotation approach based on support vector machines (SVMs) and a new class of kernels referred to as context-dependent. The method goes beyond the naive use of the intrinsic low level features (such as color, texture, shape, etc.) and context-free kernels, in order to design a kernel function applicable to interconnected databases such as social networks. The main contribution of our method includes (i) a variational approach which helps designing this function using both intrinsic features and the underlying contextual information resulting from different links and (ii) the proof of convergence of our kernel to a positive definite fixed-point, usable for SVM training and other kernel methods. When plugged in SVMs, our context-dependent kernel consistently improves the performance of image annotation, compared to context-free kernels, on hundreds of thousands of Flickr images.

Url:

https://api.istex.fr/document/88D346215897958587666610EAD46396BBF0CD3B/fulltext/pdf

DOI: 10.1007/978-3-642-19315-6_17

Affiliations:

Links toward previous steps (curation, corpus...)

to stream Istex, to step Corpus: 001979
to stream Istex, to step Curation: 001979
to stream Istex, to step Checkpoint: 000885
to stream Main, to step Merge: 006842
to stream Main, to step Curation: 006465

Le document en format XML

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Context-Based Support Vector Machines for Interconnected Image Annotation

Context-Based Support Vector Machines for Interconnected Image Annotation

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri