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开曲线主动轮廓演化路面激光线鲁棒识别方法
Alternative TitlePavement laser line robust recognition via open active contour evolution
杜英魁; 刘成; 田丹; 韩晓微; 原忠虎
Department机器人学研究室
Source Publication合肥工业大学学报(自然科学版)
ISSN1003-5060
2017
Volume40Issue:3Pages:321-326
Contribution Rank2
Funding Organization国家自然科学基金面上资助项目(71672117) ; 辽宁省自然科学基金资助项目(2015020158 ; 2015020037) ; 机器人学国家重点实验室开放基金资助项目(2015008 ) ; 辽宁省高等学校创新团队资助项目(LT2013024) ; 辽宁省博士启动基金资助项目(201601213)和沈阳市社会发展科技攻关资助项目(F16-155-9-00)
Keyword平整度 激光结构光 各向异性扩散 三次样条 主动轮廓模型
Abstract复杂动态路表和室外光照条件下,鲁棒精确地识别图像中的激光线是激光结构光在公路平整度测量应用中亟需解决的一个基础性关键问题。针对公路表面的强反光特性地标线和复杂光照的条件,文章提出了一种基于刚性项约束主动轮廓模型的复杂路面激光线鲁棒识别方法。采用三次样条曲线进行更为精细的激光结构光光条曲线初始拟合,以降低主动轮廓模型对于初始值的敏感性,并在能量泛函中加入了以曲线弧长二阶导数表示的刚性项,保证曲线光滑演化的同时能够有效抑制曲线拉伸。在有效性验证实验中,不改变算法参数的情况下,分别选取了包含车辆阴影、白色标志线以及平整度极差路面共3种主要扰动因素的路面实际图像,与已有算法进行对比测试,实验结果表明该...
Other AbstractUnder the unstructured outdoor lighting environment, robust recognition and accurate interpolation of structured laser light were still challenging in the application of road flatness measurement. For obtaining more robustness to the disturbance of shadow and landmarks, a laser line recognition method was proposed by utilizing rigid item constraint active contour model. To reduce the sensitivity of the initialization of the active contour model, the cubic spline algorithm was employed for more accurate curve interpolation. A rigid item constraint described by the second derivative of arc length was appended to the energy functional definition to ensure the smooth curve evolution and effectively restrain the curve stretch. With fixed parameters, the experimental results of real images that included the extreme disturbances of shadows, white indicator line and poor road flatness validated the efficiency and robustness of the proposed method.
Language中文
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/20372
Collection机器人学研究室
Corresponding Author杜英魁
Affiliation1.沈阳大学信息工程学院
2.中国科学院沈阳自动化研究所
Recommended Citation
GB/T 7714
杜英魁,刘成,田丹,等. 开曲线主动轮廓演化路面激光线鲁棒识别方法[J]. 合肥工业大学学报(自然科学版),2017,40(3):321-326.
APA 杜英魁,刘成,田丹,韩晓微,&原忠虎.(2017).开曲线主动轮廓演化路面激光线鲁棒识别方法.合肥工业大学学报(自然科学版),40(3),321-326.
MLA 杜英魁,et al."开曲线主动轮廓演化路面激光线鲁棒识别方法".合肥工业大学学报(自然科学版) 40.3(2017):321-326.
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