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Camera. 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-sensitive material such as photographic film. As a pivotal technology in the fields of photography and videography, cameras have played ...
Film gate. The film gate is the rectangular opening in the front of a motion picture camera where the film is exposed to light (or an opening for showing the film with a projector). The film gate can be seen by removing the lens and rotating the shutter out of the way. The film is held on a uniform plane at a calibrated distance in the gate by ...
In some areas of Australia, where the red light cameras are used, there is an online system to check the photograph taken of your vehicle if you receive a ticket. [34] Singapore also began use of red light cameras in the 1980s, [ 7 ] and installed the first camera systems during five years, starting in August 1986. [ 4 ]
Camera matrix. In computer vision a camera matrix or (camera) projection matrix is a matrix which describes the mapping of a pinhole camera from 3D points in the world to 2D points in an image. Let be a representation of a 3D point in homogeneous coordinates (a 4-dimensional vector), and let be a representation of the image of this point in the ...
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A camera's angle of view can be measured horizontally, vertically, or diagonally. In photography, angle of view ( AOV) [1] describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view . It is important to distinguish the angle of view from the angle of coverage ...
Surveillance cameras on the corner of a building. Surveillance camera in a residential community. Dome camera in Rotterdam central metro station. Closed-circuit television ( CCTV ), also known as video surveillance, [1] [2] is the use of closed-circuit television cameras to transmit a signal to a specific place, on a limited set of monitors.
Compact digital cameras, bridge digital cameras. Blackmagic Design. Australia. Digital video cameras, pro and consumer. Canon. Japan. Ixus and PowerShot compact digital cameras, Vixia camcorders, EOS M MILC and Digital EOS/Digital Rebel DSLRs. Casio. Japan.