Detecting and recognizing traffic signs
First Claim
Patent Images
1. A method for performing driver assistance by means of a computerized system mounted on a moving vehicle, the computerized system including a camera and an image processor, the method comprising:
- programming the image processor for performing a first and a second driver assistance function; and
capturing in real time a plurality of image frames of the environment in the field of view of the camera and transferring the image frames to said image processor; and
during said capturing, setting a camera parameter to a first value by said first driver assistance function and setting said camera parameter to a second value by said second driver assistance function;
wherein the camera parameter is an automatic gain control (AGC) and wherein the AGC alternately changes between at least two previously defined settings used respectively by the first and second driver assistance functions.
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Abstract
A computerized system mountable on a moving vehicle. The computerized system includes a camera. The camera captures in real time image frames of the environment in the field of view of the camera and transfers the image frames to an image processor. The image processor is programmed for performing traffic sign recognition and for performing another driver assistance function. Information is exchanged between the traffic sign recognition and the other driver assistance function.
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Citations
7 Claims
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1. A method for performing driver assistance by means of a computerized system mounted on a moving vehicle, the computerized system including a camera and an image processor, the method comprising:
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programming the image processor for performing a first and a second driver assistance function; and capturing in real time a plurality of image frames of the environment in the field of view of the camera and transferring the image frames to said image processor; and during said capturing, setting a camera parameter to a first value by said first driver assistance function and setting said camera parameter to a second value by said second driver assistance function;
wherein the camera parameter is an automatic gain control (AGC) and wherein the AGC alternately changes between at least two previously defined settings used respectively by the first and second driver assistance functions. - View Dependent Claims (2, 3, 4)
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5. A computerized system mountable on a moving vehicle, system including a camera mountable on the moving vehicle, wherein the camera is operable to capture in real time a plurality of image frames of the environment in the field of view of the camera and to transfer the image frames to an image processor, the image processor being operable:
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to perform a first driver assistance function and a second driver assistance function; and to capture in real time a plurality of image frames of the environment in the field of view of the camera and to transfer the image frames to the image processor; and to set a camera parameter to a first value for said first driver assistance function and to set said camera parameter to a second value for said second driver assistance function;
wherein the camera parameter is an automatic gain control (AGC) and wherein the AGC alternately changes between at least two previously defined settings used respectively by the first and second driver assistance functions. - View Dependent Claims (6, 7)
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Specification