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|Title:||Measuring latency for video surveillance systems|
Van Den Hengel, A.
|Citation:||Digital Image Computing: Techniques and Applications (DICTA) Proceedings, 2009: pp.89-95|
|Conference Name:||Digital Image Computing: Techniques and Applications (2009 : Melbourne, Australia)|
|Rhys Hill, Christopher Madden, Anton van den Hengel, Henry Detmold and Anthony Dick|
|Abstract:||The increased flexibility and other benefits offered by IP network cameras makes them a common choice for installation in new and expanded surveillance networks. One commonly quoted limitation of IP cameras is their high latency when compared to their analogue counterparts. This causes some reluctance to install or upgrade to digital cameras, and is slowing the adoption of live, intelligent analysis techniques in video surveillance systems. This paper presents methods for measurement of the latency in systems based upon digital IP or analogue cameras. These methods are camera-agnostic and require no specialised hardware. We use these methods to compare a variety of camera models. The results demonstrate that whilst analogue cameras do have a lower latency, most IP cameras are within acceptable tolerances. The source of the latency within an IP camera is also analysed, with prospects for improvement identified.|
|Keywords:||Video Surveillance; Camera Comparison; Latency; Digital; Analogue|
|Rights:||© 2009 IEEE|
|Appears in Collections:||Computer Science publications|
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