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Sunday 21 February, 2010

Inside a Car Rear View Camera System

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The cameras record raw digital footage, and software electronically straightens the images through electronic interpolation or pixel enhancement. As mentioned earlier, the Infiniti uses four tiny Rear View Cameras with fish-eye lenses. These devices are placed on all four sides of the car: One sits above the left side of the license plate, another inside the Infiniti logo on the front grill and the remaining two fit beneath each side mirror. In the EX35, the result is a real-time overhead view of the vehicle.

 

The majority of rearview cameras found on vehicles today are hardwired systems powered by the car's battery, and digital images travel through the cables to the LCD display. Virtually all rearview cameras and screens activate when the driver puts the car Rear View Cameras in reverse. One of the coolest rearview cameras can be found in several Toyota models, including the 4Runner. Instead of using a large LCD screen in or around the dashboard, a small display is mounted in the rearview mirror itself and activates either when the vehicle is placed in reverse or when the driver turns it on manually.

 

Cameras like the Infiniti's use fish-eye lenses because they can capture a wider field of view at a much closer proximity. The problems associated with fish-eye lenses are the characteristic bending or image distortion due to the curvature of the Rear View Cameras. Fortunately, CCD sensors create high-quality images, and digital-imaging software can manipulate and flip the images, so that what drivers see is a perfectly clear picture. To learn more about how CCD sensors transform what the camera sees into digitally displayed images.

 






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