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2. Pan–tilt–zoom camera - Wikipedia

   en.wikipedia.org/wiki/Pan–tilt–zoom_camera

   A pan-tilt-zoom camera (PTZ camera) is a robotic camera capable of panning horizontally (from left to right), tilting vertically (up and down), and zooming (for magnification). PTZ cameras are often positioned at guard posts where active employees may manage them using a remote camera controller.

3. Eye in the sky (camera) - Wikipedia

   en.wikipedia.org/wiki/Eye_in_the_sky_(camera)

   The eye in the sky is a term given to casino and other commercial security closed circuit cameras. In casinos, they are positioned to monitor seats, tables, hallways, restaurants, and even elevators closely. The functional component is known as a pan–tilt–zoom camera, or a PTZ, an industry standard term.

4. Active vision - Wikipedia

   en.wikipedia.org/wiki/Active_vision

   A stereo set-up with two zoom cameras was used. A handful of papers have been written for zoom control and do not deal with total object-camera position estimation. An attempt to join estimation and control in the same framework can be found in the work of Bagdanov et al., where a Pan-Tilt-Zoom camera is used to track faces. [12]

5. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

6. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   IP cameras are considered part of the Internet of things and have many of the same benefits and security risks as other IP-enabled devices. [159] Smart doorbells are one example of a type of CCTV that uses IP to allow it to send alerts. Main types of IP cameras include fixed cameras, pan–tilt–zoom (PTZ) cameras, and multi-sensor cameras. [160]

7. QuickCam - Wikipedia

   en.wikipedia.org/wiki/QuickCam

   Logitech QuickCam Zoom 2002 General 640 × 480 $99 Features a digital zoom that focuses on the user's face. Re-released as "QuickCam Zoom Silver" in 2003, then "QuickCam Zoom Refresh" in 2004. Logitech QuickCam Sphere 2003 Flagship 640 × 480 First motorised pan/tilt QuickCam. Known as "QuickCam Orbit" in North America Logitech QuickCam ...