With any kind of video-based surveillance system, image quality makes a difference. Defining the level of image quality needed is part of the system specification process, and a key question all security professional must answer is: “what level of video information do we or our client need the system to provide?” This is a critical question in the process of defining a system, since under-specifying the video requirements can lead to an under-performing system that fails to meet expectations; and overspecifying can lead to unexpected increases in both implementation and total cost of ownership throughout the life of the system.
The Detection, Classification, Recognition, Identification (DCRI) framework is a set of definitions for image quality applicable to optical imaging equipment under different lighting and environmental conditions day and night. The framework was created for use with optical imaging sensors in mind, creating the need for an additional performance level from thermal imaging devices.
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