Eye on Video: Pixel-based intelligent video

By Fredrik Nilsson
Created: August 26, 2008

Understanding how intelligent video works -- at the pixel-by-pixel level

Fredrik Nilsson, general manager for the Americas at Axis Communications, is a regular contributor on the topic of video surveillance for SecurityInfoWatch.com, IPSecurityWatch.com and Security...
Fredrik Nilsson, general manager for the Americas at Axis Communications, is a regular contributor on the topic of video surveillance for SecurityInfoWatch.com, IPSecurityWatch.com and Security Technology & Design magazine.
Photo courtesy Axis Communications

The clarity of an image distorted by bad weather (top) can be greatly improved by applying image enhancement algorithms (bottom).
The clarity of an image distorted by bad weather (top) can be greatly improved by applying image enhancement algorithms (bottom).
Within seconds, the camera tampering application can detect if a camera has been repositioned, gone out of focus, or been covered.
Within seconds, the camera tampering application can detect if a camera has been repositioned, gone out of focus, or been covered.
Photo courtesy Axis Communications

Several VMD windows can be set up and defined individually based on adjustable parameters such as object size, history and sensitivity.
Several VMD windows can be set up and defined individually based on adjustable parameters such as object size, history and sensitivity.
IV applications are based on detecting and tracking pixels (top image), blobs (middle image) or objects (lower image).
IV applications are based on detecting and tracking pixels (top image), blobs (middle image) or objects (lower image).

About the author: Fredrik Nilsson is general manager of Axis Communications, a provider of IP-based network video solutions that include network cameras and video encoders for remote monitoring and security surveillance. This story is part of Mr. Nilssonâ€™s â€œEye on Videoâ€ series appearing in ST&D and on SecurityInfoWatch.com and IPSecurityWatch.com.

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Eye on Video: Pixel-based intelligent video

Understanding how intelligent video works -- at the pixel-by-pixel level

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