| 摘要 |
PURPOSE: An image photographing device, a method thereof, and a image information extracting device thereof are provided to supply images of a regular monitoring width regardless of a moving speed and a steering angle of a vehicle by resetting the focal distance. CONSTITUTION: An image photographing unit(110) photographs an image. A first control unit(120) adjusts the focal distance of the image photographing unit according to a moving speed of a vehicle. A second control unit(130) resets the focal distance set by the first control unit according to a steering angle of the vehicle. The second control unit adjusts a view angle of the image photographing unit due to the resetting of the focal distance. [Reference numerals] (100) Image photographing device; (110) Image photographing unit; (120) First control unit; (130) Second control unit; (140) Image storage unit; (200) Vehicle
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