Lotfi Ben Romdhane

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Content-Based Image Retrieval (CBIR) is becoming one of the most vivid research area in computer vision. It is widely used in medical applications especially in computer aided diagnostic systems (CAD). CBIR systems in digital mammography take an important part of these works. The work presented in this paper aims to propose a CBIR approach based on inexact(More)
A community within a network is a group of vertices densely connected to each other but less connected to the vertices outside. The problem of detecting communities in directed networks plays a key role in a wide range of research areas, e.g. Computer Science, Biology and Sociology. Most of the existing algorithms to find communities count on the(More)
Social networks can be modeled by graphs whose vertices represent the actors of the social phenomenon and the edges represent the interactions between them. An important element in the automatic analysis of social networks is the discovery of “communities”. A community is simply a group of people strongly connected. The detection of(More)
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