Method and device for detecting rear dead zone of vehicle
A blind spot and vehicle technology, applied in the field of vehicle safety, can solve problems such as complex detection methods, low intelligence, and difficulty in judging, and achieve the effects of reducing calculation time, simplifying the installation process, and reducing the amount of calculation
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[0019] In this patent, dual video sensors 104 are used for distance measurement, and the two sensors 104 are installed at the rear of the vehicle 102, such as figure 1 As shown, the shaded portion 106 is the area behind the vehicle that the dual sensors can simultaneously observe. The following combination Figure 1-3 Describe the specific implementation principle of this patent.
[0020] Step 1 202: Carry out image correction. In principle, the optical axes 108 of the two sensors are required to be parallel, and the imaging planes of the two sensors are required to be coplanar, thus forming image 3 Left and right view configuration shown. But this configuration is difficult to achieve, because in the actual installation, the optical axis of the camera cannot be seen, so accurate adjustments cannot be made. In order to achieve this purpose, the image correction method is used in this patent, so that it is not necessary to accurately realize the installation of parallel op...
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