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Title : ArcGIS, DVR (Digital Video Recorder) CCTV, Video Cameras, and DSL, Monitoring System
Company : Hernando County, FL Planning Department
File Name : esri2005.png
Size : 6725687
Type : image/x-png
Date : 27-Jan-2011
Downloads : 37

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ArcGIS, DVR (Digital Video Recorder) CCTV, Video Cameras, and DSL, Monitoring System Rapidly advancing digital hard drive technology, falling camera prices with enhanced capabilities, and high-speed Internet saturation, have all combined to deliver an extremely efficient, highly affordable way to improve security, productivity, and public satisfaction. DVR CCTV technology is affordable and available for many collateral uses such as observation of coastal areas from an operations center for a comprehensive, risk-based, all-hazard Emergency Management program. The Hernando County Office of Emergency Management Application The decision to provide the Office of Emergency Management and Hernando County with real time video of the selected Coastal sites and facilities as shown in the original Hernando County UC 2004 Map Gallery entry required Hernando County resources and interest across the organization. The interoperability of ESRI GIS on the Windows platform with DVR CCTV technology inspired the Hernando County Government Offices and peaked the interest of Technology Services, Community Services, the Hernando County Government Broadcasting, and the Sheriff’s Office. This 24/7 surveillance system protects citizens and improves public safety and awareness at all County facilities. The selected Coastal Zone camera sites are a subset of the entire network to eventually include all County facilities. The system provides 'hot links' from desktop GIS to live video cameras via a DSL Internet connection. The surveillance system has added value during storms and events as a cost effective, interactive tool. With high-speed DSL Internet and ArcGIS ‘hot links’ the Office of Emergency Management has a real time advantage at any strategic locations in service for a better focus during emergency events, all in one system! How It Works Most DVRs (Digital Video Recorders) can be set-up to record on a schedule, when an alarm is tripped, or when there is motion in the camera's view, as detected by the DVR. The user can block out constant motion quadrants such as passing traffic. Most pre-existing surveillance cameras are already compatible. Users don't need to purchase new cameras; any existing cameras take a separate power cable and (BNC) video output connection. If the user purchased an observation system with din plugs or telephone jack cables, upgrade the cameras to normal professional grade surveillance cameras, perhaps with zoom and night-vision features. Popular DVR units are equipped with upgradeable and portable hard drives. DVR units can store from two days to two weeks of camera footage, depending upon the adjustable recording frame rate, and the amount of activity in the view of the camera. Personally set every unit at maximum resolution, and at the fastest selectable recording frame rate. When the hard drive memory is full, the system will begin writing over the existing camera footage. The user has the ability to ‘go back in time’ to any event, zoom in for details, or burn high-resolution camera footage onto CDRWs or DVDs whenever a need for visual evidence as for a record occurs. In an event, transfer the digital information before the DVR has over-written. It's that easy. Otherwise, let the system re-write and forget about changing and replacing the media until necessary. Kenneth Sutherland III, GIS Technician, Hernando County Planning Department, 20 N. Main St., Room 262, Brooksville, FL 34601 Phone: 352-754-4057 Fax: 352-754-4420 email: Visit us at
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