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New video search functionality improves security analysis

LAURENCE SMITH
Video search enables users to designate specific dates, times and fields and then search live and archived footage for events that match the specifications

LAURENCE SMITH Video search enables users to designate specific dates, times and fields and then search live and archived footage for events that match the specifications

17th June 2016

By: Schalk Burger

Creamer Media Senior Deputy Editor

  

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Searching security video footage for missing and new objects and identifying the time at which events occurred enable users to actively monitor key areas of live video footage and search archived footage to find evidence and build cases, says video surveillance specialist company Graphic Imaging Technology executive Laurence Smith.

The search system enables users, typically security control-room employees, to highlight a block of a video stream and then search for events that occurred in that area across a designated time frame. This is used to identify when a particular object went missing or was left behind, or a breach or an event occurred.

The new functionality extends to live video feeds and users can draw a box around an area of interest and then search recent footage for changes in that field. This is typically used to identify unattended luggage or packages, or missing objects, and to find the footage of when it was left or taken – enabling security to find footage of the person who left or took it.

“The video search functionality is not strictly an analytics system, but provides significant additional capabilities for security personnel. This means that it can easily be applied to existing archived footage and security video systems.

“Multiple video streams can be segmented from one camera, and the search functionality can be applied to each stream individually. This also provides control room employees with greater ability to carry out their functions more proactively, effectively and efficiently,” he explains.

Analysing security footage during investigations or to build court cases is often onerous and time consuming. The video search system, however, enables investigators to designate specific dates, times and fields and then search large amounts of archive footage for events that match these specifications, explains Smith.

The results are then summarised in a series of time-stamped thumbnail images, which investigators use to review certain portions of the video in greater detail.

Further, a supervisor or manager can designate specific video segments – linked to security events – that will not be deleted.

The functionality dovetails with the company’s perimeter detection system, which enables users to set up criteria – such as time, days of the week or size of the object breaching the perimeter – which would trigger an alert. For example, people can have access to an area during the day, but an alert would be sent if they enter the area at night.

The video search system was developed by Israel-based security video company DVTel, which has been wholly acquired by security multinational Flir.

Edited by Martin Zhuwakinyu
Creamer Media Senior Deputy Editor

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