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    Article

    Adaptive weighted least squares regression for subspace clustering

    In this research paper, we consider the subspace clustering problem which aims at finding a low-dimensional representation of a high-dimensional data set. In particular, our central focus is upon the least squ...

    Noura Bouhlel, Ghada Feki, Chokri Ben Amar in Knowledge and Information Systems (2021)

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    Hypergraph-based image search reranking with elastic net regularized regression

    Image search reranking is emerging as an effective technique to refine the text-based image search results using visual information. In this paper, we introduce a novel hypergraph-based image search reranking ...

    Noura Bouhlel, Ghada Feki, Chokri Ben Amar in Multimedia Tools and Applications (2020)

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    Article

    Hypergraph learning with collaborative representation for image search reranking

    Image search reranking has received considerable attention in recent years. It aims at refining the text-based image search results by boosting the rank of relevant images. Hypergraph has been widely used for ...

    Noura Bouhlel, Ghada Feki, Anis Ben Ammar… in International Journal of Multimedia Inform… (2020)