Video surveillance is defined as the use of one or more cameras for the purpose of monitoring an area or facility, in the interest of observation or safety. There are a variety of video surveillance cameras in use for a number of purposes. Commonly, video surveillance is thought of as the tiny cameras hidden in corners of shopping malls and supermarkets, but it's important to realize that surveillance cameras are also used in the observation of experiments and for public safety as well.
Bullet Camera
The bullet camera is one of the most popular types of surveillance cameras. It is essentially a camera lens mounted inside of a compact container shaped like a bullet. These types of cameras are easy to install and maintain, and they provide security officials with surveillance footage without being overly obtrusive or visually distracting.
IP Cameras
IP cameras are the future of video surveillance, and include a new form of technology called "video analytics" to more accurately survey a scene. For example, an IP camera might be able to recognize suspicious movement based on parameters programmed by the owner. These types of cameras are relevant outside of security concerns as well, as they can help retailers track foot traffic patterns through their stores.
Board Cameras
Board cameras are similar to what you might find in a typical espionage movie. These cameras consist of a tiny lens connected to a circuit board. The board can then be placed in or on an inconspicuous object, such as a purse, briefcase or coat lapel. Board cameras are excellent for covert surveillance, where hiding the presence of a recording device is crucial. Board cameras are also sometimes placed in the tinted domes you'll find in supermarkets as a stationary surveillance device.
PC-Based Surveillance Systems
PC-based surveillance systems generally involve a small, inexpensive video camera, such as a webcam, connected to a computer. This camera is often hidden inconspicuously in a home or business, and the connection to the computer is wireless. The camera will record streaming video that can be saved to a computer hard drive, or streamed in real time to an Internet website. Owners of these systems can monitor the video stream with any Internet device, including a mobile phone.
All-in-One Surveillance Systems
Integrated surveillance systems are generally used to protect large business and government facilities. These systems include expensive, highly advanced cameras, include features such as motion detection, facial recognition and infrared sensors. If valuable items or information are at stake, an all-in-one surveillance system will probably be the option of choice.
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