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Browsing by Author "Megherbi, Najla"

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A 3D extension to cortex like mechanisms for 3D object class recognition

Flitton, Greg T.; Breckon, Toby P.; Megherbi, Najla (2012-06-21)

We introduce a novel 3D extension to the hierarchical visual cortex model used for prior work in 2D object recognition. Prior work on the use of the visual cortex standard model for the explicit task of object class ...
A comparison of 3D interest point descriptors with application to airport baggage object detection in complex CT imagery

Flitton, Greg T.; Breckon, Toby P.; Megherbi, Najla (Elsevier, 2013-02-16)

We present an experimental comparison of 3D feature descriptors with application to threat detection in Computed Tomography (CT) airport baggage imagery. The detectors range in complexity from a basic local density descriptor, ...
A comparison of classification approaches for threat detection in CT based baggage screening

Megherbi, Najla; Han, Jiwan; Breckon, Toby P.; Flitton, Greg T. (IEEE, 2013-02-21)

Computed Tomography (CT) based baggage security screening systems are of increasing use in transportation security. The ability to automatically identify potential threat item is a key aspect of current research in this ...
A novel intensity limiting approach to Metal Artefact Reduction in 3D CT baggage imagery

Mouton, Andre; Megherbi, Najla; Flitton, Greg T.; Bizot, Suzanne; Breckon, Toby P. (IEEE, 2013-02-21)

This paper introduces a novel technique for Metal Artefact Reduction (MAR) in the previously unconsidered context 3D CT baggage imagery. The output of a conventional sinogram completion-based MAR approach is refined by ...

Browsing by Author "Megherbi, Najla"

Browsing by Author "Megherbi, Najla"

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