Abstract
IP-networked Video Surveillance Systems Gaining in Popularity
Video surveillance devices, designed to work over an Internet protocol (IP), are allowing users
to obtain the cost-effectiveness, flexibility, and remote accessibility of a digital technology.
IP-networked systems are particularly popular in large-scale enterprise networks where thousands of
cameras are installed to monitor a multitude of locations. For instance, Port Everglades -- a major
U.S. seaport -- uses IP networked video cameras to monitor hundreds of locations dispersed over its
2,000-acre site. The network software monitors video feeds in real time, and in the event of a
security breach, it alerts and downloads images to a security officers PC, laptop, or even personal
digital assistant (PDA).
This Technical Insights research evaluates the latest advances and upcoming trends in the global
markets for video surveillance technology. In addition to discussing the various technology drivers
and restraints that govern the video surveillance equipment markets, the study covers research and
development efforts at various universities, leading companies, and other research institutions
across the globe. The research service also uses case studies to illustrate the impact of
digitization in video surveillance applications.
Increasing Demand for Digital Video Surveillance Equipment
The wide network of legacy analog cameras is becoming increasingly expensive and difficult to
replace. In the future, digital video recorders (DVRs) that convert analog images into digital
format for transmission over an IP network are likely to be a critical component of video
surveillance solutions.
"Analog-to-digital converters are becoming vital components of security cameras and a tool
to compete with traditional charge-coupled device (CCD) wide dynamic range cameras," says the
analyst of this research. "With such a converter, the translation to a digital signal occurs at
the point of capture, rather than through a separate converter device."
Efforts to Remain Competitive Drive Technology Improvements
Competitive pressures in the video surveillance equipment market are driving vendors to
incorporate new and innovative features. For example, pan/tilt/zoom (PTZ) cameras track incidents or
people, and zoom in for a closer look by remote control or through in-built automation.
New-generation surveillance cameras are incorporating infrared light sources that enable them to
work 24 hours a day in pitch darkness and harsh outdoor environments.
Researchers are also developing Ethernet-based video-matrix switchers that simplify the process
of handling multiple video surveillance systems and also reduce the costs of running individual
cables through an analog system. Mobile DVRs used in police cruisers, ambulances, and fire trucks,
which were initially record-only types, are now available with an optional cellular air card that
converts the device into a wireless unit. This transmits broadband digital streaming of both
real-time and recorded images over the Internet to cell phones, computers, and PDAs. | 
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