Abstract
In the Internet of Vehicles, the binocular stereo vision ranging method has the advantages of high efficiency, simple system structure and low cost, and its ranging function is an indispensable part of the intelligent network vehicle terminal, but how to use it to determine the ranging range is rarely studied. To solve the problem that the binocular stereo vision plane-space algorithm cannot evaluate the distance range on the limited surface, this paper proposes a surface constraint-range sweep algorithm, which is applied to evaluate the distance range between pedestrians and vehicles in Internet of Vehicles environment. First, according to the image sensor information of the ranging model, the model parameters of the plane-space algorithm are calculated. Next, whether the projection of the target point is on the image sensor is calculated according to the principle of geometric optical imaging. For the point projected on the image sensor, the error margin of the algorithm point can be set according to the working environment. If the error margin is met, the measurement point is considered to be within the limited surface value range. Finally, according to the actual object, the point cloud of the target surface is obtained by using the geometric optics theory, and the range of the plane-space algorithm on the limited surface is calculated, so as to construct the ranging evaluation model of the plane-space algorithm. The experimental results show that the efficiency of the algorithm can reach 99. 8% by adjusting the parameters of the surface constraint-range sweep algorithm. The surface constraint-range sweep algorithm can more accurately evaluate the range of the plane-space algorithm on the limited surface.
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Acknowledgment
Shubin Wang (wangshubin@imu.edu.cn) is the correspondent author and this work was supported by the National Natural Science Foundation of China (61761034), the Natural Science Foundation of Inner Mongolia (2020MS06022).
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Shi, Q., Zhang, X., Zhu, H., Li, X., Wang, S. (2023). Research on Ranging Range Based on Binocular Stereo Vision Plane-Space Algorithm. In: Liang, Q., Wang, W., Liu, X., Na, Z., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2022. Lecture Notes in Electrical Engineering, vol 873. Springer, Singapore. https://doi.org/10.1007/978-981-99-1260-5_7
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DOI: https://doi.org/10.1007/978-981-99-1260-5_7
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