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[IEEE 2019 IEEE International Conference on Mechatronics and Automation (ICMA) - Tianjin, China (2019.8.4-2019.8.7)] 2019 IEEE International Conference on Mechatronics and Automation (ICMA) - Research on 3D Reconstruction Method Based on Laser Rotation Scanning
摘要： A three-dimensional reconstruction algorithm based on line laser rotation scanning is proposed. The rotating platform vision measurement system is designed. The system calibration method consisting of laser, camera and turntable is studied. The axis-eye calibration algorithm is introduced to register the point cloud in the same coordinate. In the system, the camera driven by the turntable is rotated to scan the target object for three-dimensional measurement. The method can obtain the point cloud information of the object by linear laser rotation scanning, and further recover the geometric shape of the three-dimensional visible surface of the object, which not only meets the requirements of the three-dimensional reconstruction target, but also verifies the feasibility and effectiveness of the system.
关键词： rotating platform,camera calibration,feature point extraction,point cloud reconstruction,3d reconstruction
更新于2025-09-12 10:27:22
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[IEEE 2018 International Symposium in Sensing and Instrumentation in IoT Era (ISSI) - Shanghai, China (2018.9.6-2018.9.7)] 2018 International Symposium in Sensing and Instrumentation in IoT Era (ISSI) - Research on Tube-plate Welding Robot Based on Binocular Vision
摘要： Based on double-book study, a set of tube-tube welding robot based on binocular vision positioning system was designed to achieve real-time tracking of welds. In addition, the feature point binocular visual positioning method and identification in the welding process are also studied and analyzed. The tube plate welding robot was used as a platform, and the tube plate welding test was completed with image processing technology and MATLAB software. The test results show that the method can identify the coordinates and radius of the welding circle. The maximum deviation of the tungsten needle from the center of the weld is within 0.1 mm. The welding torch can be accurately positioned and the real-time detection performance is greatly improved. The tube-plate welding robot of the visual positioning system realizes the real-time tracking of the weld. In addition, the binocular vision positioning method and feature point identification in the welding process were studied and analyzed.
关键词： tube-plate welding,image processing,feature point extraction,weld tracking
更新于2025-09-10 09:29:36