The visual resolution of a video signal or display is the amount of detail that can be seen. This is different from the resolution format of a signal or display. For example, in a computer application, a XGA signal has a format resolution of 1024 horizontal pixels and 768 vertical pixels (lines), and is the […]

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PROVIDENCE — A camera and radar system to track and view ships and boaters all the way from the Atlantic to Providence Harbor will soon be in place, making Rhode Island’s coastal waterways perhaps the most closely scrutinized in the nation.
Providence yesterday approved a deal with defense contractor Raytheon Co. to buy four cameras and […]

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Big Brother is already watching you in one Seattle park, and Mayor Greg Nickels wants to install surveillance cameras in three others to curb graffiti, drug dealing and other crimes.

Without public notice, Nickels had three surveillance cameras installed and turned on in Capitol Hill’s Cal Anderson Park on Feb. 20.
City Council members and the American […]

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The image sensor of the camera is responsible for transforming light into electrical signals. When building a camera, there are two possible technologies for the camera’s image sensor:
 
- CCD (Charged Coupled Device) 
- CMOS (Complementary Metal Oxide Semiconductor) 

See placement of an image sensor in a network camera
CCD sensors are produced using a technology developed specifically for […]

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