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Video Analytics, also referred to as Video Content Analysis (VCA), is a generic term used to describe computerized processing and analysis of video streams. Computer analysis of video is currently implemented in a variety of fields and industries; however the term “Video Analytics” is typically associated with analysis of video streams captured by surveillance systems. Video Analytics applications can perform a variety of tasks ranging from real-time analysis of video for immediate detection of events of interest, to analysis of pre-recorded video for the purpose of extracting events and data from the recorded video (also known as forensic analysis).
Video Analytics Capabilities
How It Works
Video analytics use computer processing power to analyze the differences between one video image and the next. Pixels that are different between the two images being compared are grouped into objects. This process is called segmentation. The objects and their movement are then compared to preset behavioral and motion parameters, and alarm sequences are initiated if certain criteria are met or exceeded.
The accuracy of any video analytic system is directly related to the quality of the video images being processed. For the video analytic system to be reliable, the image streams must be of the highest quality.
Systems enabled with video analytics work on two key concepts:
Motion Detection: By examining each pixel in the frame, the video analytics software is able to pick up even the slightest movement.
Pattern Recognition: Video analytics help distinguish objects within a video frame. Specific patterns/objects can be programmed, which will be recognized within the frame. Should any change happen, i.e. object is moved, goes missing, or new object added; the software immediately recognizes it and sends out an alert. Typical applications of Video Analytics in security and surveillance include:
Why Video Analytics
1. Video Analytics for Real-Time Alerts
2. Video Analytics for Investigation
Comment
Thanks for post this amazing article. It is very much helpful to learn video analytics. I have an organization of video analytics. Will you please post more articles like that? I will improve my knowledge about video analytics. Thanks again…… |
Thanks a lot Vishal for writing about Video Analytics. I want to learn video analytics, I am novice in this field. Could you please share some useful material for the same and also the tool which we can use for it.
Thanks in advance
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