Summary of Standard Technical Features
All of the Videalert products are built around a common software analysis engine and framework and the following are the standard features of all our products:
- Support for static and PTZ cameras with IP or analogue (PAL or NTSC) connections. In addition, the system can work with a variety of camera formats, including conventional colour/greyscale types, day-night hybrid cameras, filtered infrared and thermal imaging types, providing complete flexibility in terms of camera selection
- The ability to define Arbitrary Shaped Areas of Interest (AOI) and not be limited to squares or rectangles, so that AOI can deal with objects that are not straight
- The ability to define multiple overlapping areas of interest (AOI) in a single camera scene
- Dynamic Scene Learning (DSL) enables rapid assimilation of any scene - analysis can begin within minutes of the system being installed
- Support of multiple features (e.g. bus lane violation and virtual tripwire) from a single camera
- Support for "linked alerts" allows operators to associate the occurrence of separate alert incidents and raise an alert only when multiple incidents occur in a given sequence and/or in a given combination and/or in a given period of time, allowing the system to detect incidents with a level of sophistication that was previously only possible with the direct operator observation
- Smart tripwire feature, which automatically takes account of the object size and aspect ratio
- Non Motion Detection, for absence of specified motion (e.g. guarding stations, traffic flow etc.)
- Self optimising based on a "set and forget" principle - reduces set up time and further tweaking and optimisation
- Adaptive light and shadow handling? reduces false alerts from random events such as flash guns and sunbursts
- Incidents alerts relayed to monitors can also have audible alerts added
- System runs on a high-end multi-core Windows PC running XP or VISTA and does not require any specialised graphics hardware or other components and customers can easily add familiar equipment to existing installations
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