Recognizing wheels with a laser to calculate the deformation of tires

• Main Authors: Yuliia Lymarenko, Dmitry Tatievskyi
• Format: Article
• Language: English
• Published: PC Technology Center 2017-12-01
• Series: Tehnologìčnij Audit ta Rezervi Virobnictva
• Subjects: Canny edge detector'; Sobel differential operator; computer vision; median filter; Hough transformations
• Online Access: http://journals.uran.ua/tarp/article/view/123441

The object of research is a system for recognizing wheels using a laser to calculate the deformation of tires. The main problem of this research, for the solution of which it is necessary to recognize the vehicle wheels with the help of laser illumination, with the subsequent restoration of their three-dimensional surfaces is the calculation of the coefficient of deformation of the vehicle wheels. In the course of the study, the vehicle and its laser illumination are simulated using the Unity 3D system. The recognition of the laser beam and the minimization of its pixels in the wheel area are carried out using algorithms implemented in the EmguCV library (OpenCV for .NET) with empirical parameter adjustment to achieve optimal recognition quality. The software is developed in C# programming language in Microsoft Visual Studio 2017. The quality of such recognition is checked in real conditions. The results of the calculation are in accordance with UNECE Standards No. 30. The implemented algorithm for recognizing the laser beam in the wheel region of a vehicle with subsequent reconstruction of its three-dimensional surface is of independent value, since it can be used to detect any objects using a vertical or horizontal laser of different colors. These results can be integrated with the TPMS (Tire Pressure Monitoring System) information to determine vehicle traffic.