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About IP Security Cameras
Unlike analog CCTV cameras, which use coaxial cable and cassette tapes (or digital recorders and encoders) to transmit and record their footage, IP security cameras operate over computer networks (Transmission Control Protocol/Internet Protocol or TCP/IP), which uses "packets" of information over a data stream to move footage and information from camera to recorder. IP security cameras are usually integrated into a large local area network (LAN) utilized by a business, which is a drastic change from CCTV. While IP cameras are still a small portion of the security market, their increase in popularity over the next few years is expected to be dramatic. This change is expected due to several reasons - but the prevalence of computers in everyday life and increases in networking, along with advances in technology that will make it a much more powerful security tool than an analog camera.
Technological Advantages of the IP Security Camera
One definite advantage that IP security cameras have over CCTV surveillance cameras is their technological potential. While certain elements of analog systems can be digitized to mimic the features of an IP video system (this type of surveillance system is known as a hybrid), there are several features that are unique and distinct to the IP security camera, including video analytics and wireless networking. Video analytics, or "intelligent video" enables a surveillance camera to analyze its footage using a special algorithm. The algorithms, which are built into the camera or into the management software, can be suited to look for almost any distinguishing feature, whether it be a count of how many people enter a room or where a customer moves throughout a store. Although the existing technology is still rudimentary, video analytics poses to be a revolutionizing feature of video surveillance and security itself. Another major feature exclusive to IP security cameras is wireless networking. A surveillance system utilizing IP video can be configured to transmit footage back to its recorder or central unit wirelessly, much like the way a wireless computer network works. Wireless IP video networks can cover much larger areas than traditional cable-and-camera systems, as the quality of the footage does not decrease as it travels. Wireless security cameras also have the potential to evolve along with networking technology and could be integrated into areas where security cameras were previously unsuccessful. |
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