Use este identificador para citar ou linkar para este item: https://repositorio.ufrn.br/jspui/handle/123456789/22290
Título: Availability issues in wireless visual sensor networks
Autor(es): Costa, Daniel
Silva, Ivanovitch
Guedes, Luiz Affonso
Vasques, Francisco
Portugal, Paulo
Palavras-chave: wireless visual sensor networks;availability;directional coverage;coverage metrics
Data do documento: 12-Fev-2014
Citação: COSTA, Daniel. et al. Availability issues in wireless visual sensor networks. Sensors (Basel), v. 14, p. 2795-2821, 2014. Disponível em: <http://dx.doi.org/10.3390/s140202795>. Acesso em: 25 out. 2015
metadata.dc.description.resumo: Wireless visual sensor networks have been considered for a large set of monitoring applications related with surveillance, tracking and multipurpose visual monitoring. When sensors are deployed over a monitored field, permanent faults may happen during the network lifetime, reducing the monitoring quality or rendering parts or the entire network unavailable. In a different way from scalar sensor networks, camera-enabled sensors collect information following a directional sensing model, which changes the notions of vicinity and redundancy. Moreover, visual source nodes may have different relevancies for the applications, according to the monitoring requirements and cameras’ poses. In this paper we discuss the most relevant availability issues related to wireless visual sensor networks, addressing availability evaluation and enhancement. Such discussions are valuable when designing, deploying and managing wireless visual sensor networks, bringing significant contributions to these networks.
URI: https://repositorio.ufrn.br/jspui/handle/123456789/22290
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