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A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony , live streaming and social media , and security . Webcams can be built-in computer hardware or peripheral devices , and are commonly connected to a device using USB or wireless protocol .
A video camera manufactured by Sony, part of Handicam line. A video camera is an optical instrument that captures videos, as opposed to a movie camera, which records images on film. Video cameras were initially developed for the television industry but have since become widely used for a variety of other purposes.
Video tracking is the process of locating a moving object (or multiple objects) over time using a camera. It has a variety of uses, some of which are: human-computer interaction, security and surveillance, video communication and compression , augmented reality , traffic control, medical imaging [ 1 ] and video editing .
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This is an accepted version of this page This is the latest accepted revision, reviewed on 25 February 2025. Optical device for recording images For other uses, see Camera (disambiguation). Leica camera (1950s) Hasselblad 500 C/M with Zeiss lens A camera is an instrument used to capture and store images and videos, either digitally via an electronic image sensor, or chemically via a light ...
The camera operators are freed from the control of iris, black level and colour balance, leaving them free to concentrate on other aspects of camerawork such as blocking and image composition. [ 4 ] All signals that operate between the camera and CCU are carried in one multicore cable , triax or fiber optic cable.
A vision mixer, a large control panel used to select the multiple-camera setup and other various sources to be recorded or seen on air and, in many cases, in any video monitors on the set. The term "vision mixer" is primarily used in Europe, while the term "video switcher" is usually used in North America. [1]
Since the camera operator is usually not able to use the camera's controls directly or look through the camera's viewfinder, a jib is often used in conjunction with a remote control systems for focus, and/or zoom and/or camera function and with a portable video monitor mounted near the jib operator.