Search Results for author: Abd-Krim Seghouane

Found 3 papers, 0 papers with code

A Guide to Image and Video based Small Object Detection using Deep Learning : Case Study of Maritime Surveillance

no code implementations26 Jul 2022 Aref Miri Rekavandi, Lian Xu, Farid Boussaid, Abd-Krim Seghouane, Stephen Hoefs, Mohammed Bennamoun

Small object detection (SOD) in optical images and videos is a challenging problem that even state-of-the-art generic object detection methods fail to accurately localize and identify such objects.

Decision Making Object +2

Find the dimension that counts: Fast dimension estimation and Krylov PCA

no code implementations8 Oct 2018 Shashanka Ubaru, Abd-Krim Seghouane, Yousef Saad

In this paper, we consider the problem of simultaneously estimating the dimension of the principal (dominant) subspace of these covariance matrices and obtaining an approximation to the subspace.

Model Selection

Fast estimation of approximate matrix ranks using spectral densities

no code implementations19 Aug 2016 Shashanka Ubaru, Yousef Saad, Abd-Krim Seghouane

In this paper, we present two computationally inexpensive techniques to estimate the approximate ranks of such large matrices.

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