Théses de doctorat

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Etude et mise en œuvre d'un encodeur vidéo basé objet pour les systèmes de vidéosurveillance sans fils embarqués
(2023) Aliouat, Ahcen
Embedded wireless video surveillance systems are gaining widespread popularity due to advancements in internet of things (IoT) systems and wireless multimedia sensor networks. These systems have numerous applications, including military target tracking and surveillance, disaster relief, biomedical health monitoring, seismic sensing, environment monitoring, and smart cities. Transmitting multimedia data at a low bitrate while maintaining high-quality transmitted data is still a challenging problem in battery-powered systems due to limited energy availability. This thesis addresses this challenge by optimizing energy efficiency in wireless multimedia sensor networks for resource-constrained wireless surveillance environments. The focus is on developing novel encoders that minimize energy consumption while maintaining high Quality of Experience (QoE) for both human and machine processing.