CHAPTER 4 Camera technologies
Cameras are complex mechanical and electrical devices that are based on many different technologies. To be able to make the most of a video surveillance system, it is crucial to understand camera technologies.
One of the most important factors—some would argue the most important—of any camera is image quality. This especially is true in video surveillance contexts, where lives and property may be at stake. But what is the definition of image quality, and how can image quality be measured and guaranteed?
There are at least three definitions of image quality:
- 1. How aesthetically pleasing is the image to the eye?
- 2. How well does the image reflect reality?
- 3. How well does the image ...
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