A multi-modal video analysis approach for car park fire detection

Date
2013
Advisor
Instructor
Source Title
Fire Safety Journal
Print ISSN
0379-7112
Electronic ISSN
Publisher
Elsevier
Volume
57
Issue
Pages
44 - 57
Language
English
Type
Article
Journal Title
Journal ISSN
Volume Title
Abstract

In this paper a novel multi-modal flame and smoke detector is proposed for the detection of fire in large open spaces such as car parks. The flame detector is based on the visual and amplitude image of a time-of-flight camera. Using this multi-modal information, flames can be detected very accurately by visual flame feature analysis and amplitude disorder detection. In order to detect the low-cost flame related features, moving objects in visual images are analyzed over time. If an object possesses high probability for each of the flame characteristics, it is labeled as candidate flame region. Simultaneously, the amplitude disorder is also investigated. Also labeled as candidate flame regions are regions with high accumulative amplitude differences and high values in all detail images of the amplitude image's discrete wavelet transform. Finally, when there is overlap of at least one of the visual and amplitude candidate flame regions, fire alarm is raised. The smoke detector, on the other hand, focuses on global changes in the depth images of the time-of-flight camera, which do not have significant impact on the amplitude images. It was found that this behavior is unique for smoke. Experiments show that the proposed detectors improve the accuracy of fire detection in car parks. The flame detector has an average flame detection rate of 93%, with hardly any false positive detection, and the smoke detection rate of the TOF based smoke detector is 88%.

Course
Other identifiers
Book Title
Keywords
Flame detection, Multi-modal video analysis, Smoke detection, Time-of-flight imaging, Video fire detection, Video surveillance, Fire detection, Flame detection, Smoke detection, Time-of-flight imaging, Video analysis, Video surveillance, Amplitude modulation, Cameras, Discrete wavelet transforms, Garages (parking), Parking, Security systems, Smoke detectors, Detectors
Citation
Published Version (Please cite this version)