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Narrow Weld Spot Recognition Based on RANSAC and Kalman Filter
Authors
夏仁波
张天宇
+3 more
徐子恒
赵吉宾
陈月玲
Publication date
1 January 2022
Publisher
Abstract
针对高效鲁棒的焊缝识别对于提高焊接质量和效率具有重要的作用,提出了一种基于线结构光的薄壁件窄焊缝快速识别方法。首先,对激光照射的焊缝图像进行去噪和增强;其次,分别利用Ransac算法和最小二乘法对焊缝和激光条纹进行直线拟合;接着,以二直线交点为中心建立ROI,连接ROI中的连通体获得修正后的交点;最后,对修正后的交点加以平移,以斜率为状态变量进行卡尔曼滤波,以修正后的交点为中心建立ROI并计算ROI中各点斜率,寻找具有最接近滤波后的斜率的点,将其反向平移后的坐标作为交点的最终值。实验证明该算法具有较高的鲁棒性和较快的处理速度,可满足窄焊缝的实时识别需求。</p
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 09/06/2022