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微小随机变化焊缝的视觉特征提取

陈海永, 杜晓琳, 董砚

陈海永, 杜晓琳, 董砚. 微小随机变化焊缝的视觉特征提取[J]. 焊接学报, 2016, 37(5): 97-101.
引用本文: 陈海永, 杜晓琳, 董砚. 微小随机变化焊缝的视觉特征提取[J]. 焊接学报, 2016, 37(5): 97-101.
CHEN Haiyong, DU Xiaolin, DONG Yan. Tiny visual feature extraction of random changing weld[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(5): 97-101.
Citation: CHEN Haiyong, DU Xiaolin, DONG Yan. Tiny visual feature extraction of random changing weld[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2016, 37(5): 97-101.

微小随机变化焊缝的视觉特征提取

基金项目: 河北省高等学校科学技术研究资助项目(YQ2013036),国家自然科学基金资助项目(61203275),河北省自然科学基金资助项目(F2014202071),河北省首批青年拔尖人才支持计划,天津市科技特派员资助项目(15JCTPJC55500)

Tiny visual feature extraction of random changing weld

  • 摘要: 针对焊接过程中薄钢板搭接微小焊缝随机变化的特点,提出一种基于图像能量分布的视觉特征检测和提取方法,采用伪彩色图像增强算法得到能量分布,有效地抑制了焊接过程中飞溅、烟雾等能量弱的瞬时噪声. 接着提出一种差分搜索算法实现了结构光条纹骨架的准确提取,并获得了图像特征点. 然后,利用随机抽样一致算法对图像特征历史数据进行概率分析,进而精确地拟合出焊缝特征的局部模型,实现了焊缝特征点的准确预测. 结果表明,提出的方法是有效的,焊缝视觉特征提取的效果令人满意.
    Abstract: To random variation characteristics of the welding process of thin steel lap weld,Proposing a methods based on the energy distribution of the visual featuresdetection and extraction,Using pseudo-color enhancement algorithms to get energy distribution, Effectively suppressed splash, smoke, noise and other transient weak energy during welding.Then proposing a differential search algorithm to achieve the accurate extraction of structured light stripe skeleton,gaining the image feature points.Then using a random sample consensus algorithm to analysis probabilistic of image feature historical data,Thus achiving accurately fitted local model of weld features, fulfiling accurate prediction of feature points. Experimental results show that the proposed method is effective and weld visual feature extraction satisfactory.
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  • 期刊类型引用(3)

    1. 叶冬旭,魏昕,蒙禹舟. 基于视觉传感器的焊缝跟踪图像处理技术的研究进展. 激光杂志. 2022(11): 6-10 . 百度学术
    2. 何煊,李冰,翟永杰. 基于视觉传感的薄板焊缝识别方法研究. 现代电子技术. 2021(12): 16-20 . 百度学术
    3. 吕健,吕学勤. 焊接机器人轨迹跟踪研究现状. 机械制造文摘(焊接分册). 2017(01): 18-25+48 . 百度学术

    其他类型引用(12)

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出版历程
  • 收稿日期:  2014-05-13

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