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Título: | A vision-based monitoring system for very early automatic detection of forest fires |
Autor: | Fernández-Berni, J. CSIC ORCID CVN; Carmona-Galán, R. CSIC ORCID ; Carranza-González, L. CSIC | Fecha de publicación: | 2008 | Editor: | WIT Press | Citación: | Modelling, monitoring and management of forest fires: 161-170 (2008) | Resumen: | International Conference on Modelling, Monitoring and Management of Forest Fires I This paper describes a system capable of detecting smoke at the very beginning of a forest fire with a precise spatial resolution. The system is based on a wireless vision sensor network. Each sensor monitors a small area of vegetation by running on-site a tailored vision algorithm to detect the presence of smoke. This algorithm examines chromaticity changes and spatio-temporal patterns in the scene that are characteristic of the smoke dynamics at early stages of propagation. Processing takes place at the sensor nodes and, if that is the case, an alarm signal is transmitted through the network along with a reference to the location of the triggered zone - without requiring complex GIS systems. This method improves the spatial resolution on the surveilled area and reduces the rate of false alarms. An energy efficient implementation of the sensor/processor devices is crucial as it determines the autonomy of the network nodes. At this point, we have developed an ad hoc vision algorithm, adapted to the nature of the problem, to be integrated into a single-chip sensor/processor. As a first step to validate the feasibility of the system, we applied the algorithm to smoke sequences recorded with commercial cameras at real-world scenarios that simulate the working conditions of the network nodes. The results obtained point to a very high reliability and robustness in the detection process. | Descripción: | Trabajo presentado a la "I International Conference on Modelling, Monitoring and Management of Forest Fires" celebrada en Toledo del 17 al 19 de Septiembre de 2008. | Versión del editor: | http://dx.doi.org/10.2495/FIVA080171 | URI: | http://hdl.handle.net/10261/86794 | DOI: | 10.2495/FIVA080171 | Identificadores: | doi: 10.2495/FIVA080171 isbn: 1-84564-141-2 |
Aparece en las colecciones: | (IMSE-CNM) Libros y partes de libros |
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A vision-based.pdf | 1,35 MB | Adobe PDF | Visualizar/Abrir |
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