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Alternative TitleRapid extracting method for structure light welding seam image characteristic points
姜春英; 郭奇; 邹媛媛; 康永军; 柳连柱
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention relates to a structure light vision detection technology, in particular to a rapid extracting method for structure light welding seam image characteristic points. In the invention, an on-site programmable gate array and a soft-core processing system are used together for improving processing speed and reducing power consumption and the rapid extracting task for structure light welding seam image characteristic points is divided by software and hardware to extract characteristic points by software and hardware cooperation. The invention comprises the following steps: building a Programmable System-on-Chip (PSoC) carrying out mathematical morphology processing and image preprocessing on structure light stripe-containing image which is acquired by a camera sensor by the on-site programmable gate array, wherein the mathematical morphology processing comprises filtering, image enhancement, dilation and erosion, and the image preprocessing comprises edge extraction and centre line extraction and extracting characteristic points by the soft-core processing system. In the invention, production-line working way is used among steps, thereby improving image processing speed and meeting real-time requirement of seam tracking. The invention can be widely used in the field of laser automatic welding.
PCT Attributes
Application Date2008-12-26
Date Available2012-08-29
Application NumberCN200810230238.8
Open (Notice) NumberCN101770641A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
姜春英,郭奇,邹媛媛,等. 一种结构光焊缝图像特征点快速提取方法[P]. 2010-07-07.
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