![]() CCTV networks can, and should, themselves be monitored. Monitor(s) can be passively (through software) or actively (by people) monitored.The software is often self-learning, using machine learning (ML) algorithms that utilize functionality like motion detection, face recognition, people counting, etc. This Video Management Software (VMS) records, stores and analyzes video feeds. Recorders may use analytical software and other smart technologies to scan the data and send automated alerts to either humans, or other systems and devices. These images (and often audio too) are transmitted to the recorder or tape, either wirelessly or by cable.A camera records images through the lens using image sensors.One or more monitors to which the images are transmitted.Cables – Either RJ45 for digital or coaxial for analog.A recorder – Either a standard video tape recorder for analog systems, or a Direct Video Recorder (DVR) or Network Video Recorder (NVR) for digital systems. ![]() One or more cameras (analog or digital), each with a lens equipped with an image sensor.Heat maps can show the highs and lows of shopper traffic at specific locations in a store, helping stores to identify peak buying times, preferred promotion types, and staffing requirements for peak shopping periods.Īnalog and digital systems work quite differently but modern CCTV networks use conversion software and hardware to convert analog to digital. how do people shop, which aisles do they traverse the most, how likely are they to respond to calls to action within different store layouts. Market intelligence garnered from video surveillance of customers is being used to analyze buying trends and enable enhanced strategizing, e.g. For instance, cameras have been used at schools for security, and to record bullying or playground incidents on video. Surveillance networks are also used by researchers to record crowd activities in public places and prevent anti-social behaviors. These were later analyzed from CCTV footage and are now used to alert monitor watchers to potential suicides. ![]() Behavioral researchĬCTV used to research suicide found that 83 percent of people attempting to throw themselves in front of a train showed specific behaviors. a stroke, or an epileptic or asthma attack. CCTV cameras can also monitor patients – for instance children or the elderly – to identify potential medical crises, e.g. pain or anxiety, from images more easily that people can. Smart software can identify these expressions, e.g. There are about 43 facial muscles that express people’s thoughts and feelings. The project has met with some resistance from privacy watchdogs. In the main, a limited number are stored for use by senior researchers in order to “develop the computer vision software”. Some sensory nodes include security cameras that analyze the images they record but, in order to protect individuals’ privacy, do not transmit or store these images. An heir to the IoT, the AoT is a Chicago initiative to collect real-time data, primarily weather and environment, about the city. City and community street monitoringĬameras at traffic lights and elsewhere in cities monitor people to gather traffic statistics as well as evidentiary footage for speeding. from inside a burning building, from a cave or from a helicopter flying over a scene. Using CCTV cameras, emergency services and rescue workers are able to assess and monitor events in real time to relay a “situation” via video to disaster management teams, e.g. ![]() Security cameras are able to monitor areas that are not easily accessible, e.g. Prisons may use video surveillance to prevent drones from delivering drugs and other contraband to prisoners. For businesses, CCTV cameras can detect and monitor in-house criminal activities. ![]() Used in conjunction with CCTV, audio, thermal and other types of sensors can alert officials to occurrences that are out of the ordinary, e.g. When a crime does occur, video footage can help law enforcement to investigate and later provide evidence for prosecution in a law court. CCTV surveillance can deter potential criminals. ![]()
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