弹丸图像的中轴线提取方法研究  

Research on central axis extraction method of projectile image

作　　者：彭骏 段菲 孙忠辉[3] 王镭 廖仕军 狄长安[1] Peng Jun;Duan Fei;Sun Zhonghui;Wang Lei;Liao Shijun;Di Chang'an(School of Mechanical Engineering,Nanjing University of Science and Technology,Nanjing 210094,China;63850 Unit of the Chinese People's Liberation Army,Baicheng 137001,China;China Baicheng Weapon Test Center,Baicheng 137001,China;China Zhongyuan Foreign Engineering Co.,Ltd.,Beijing 100044,China;Chongqing Changjiang Electrical Industry Group Co.,Ltd.,Chongqing 401336,China)

机构地区：[1]南京理工大学机械工程学院,南京210094 [2]中国人民解放军63850部队,白城137001 [3]中国白城兵器试验中心,白城137001 [4]中国中原对外工程有限公司,北京100044 [5]重庆长江电工工业集团有限公司,重庆401336

出　　处：《电子测量技术》2021年第12期110-114,共5页Electronic Measurement Technology

摘　　要：研究弹丸弹目交会姿态参数对武器毁伤效能评估具有重要意义,通常对弹丸姿态参数提取都是基于野外实验图像,因此针对野外实验弹丸图像噪声干扰强度大、成像对比度低并且弹丸中轴线提取精度不易控制等问题,设计了基于侧窗思想的高斯与自适应中值滤波的保边去噪算法、基于Canny边缘检测的填补分割算法以及基于目标边缘轮廓的中轴线提取方法,所得结果为外场噪声以及弹丸表面亮度不均的影响明显减弱,实现了弹丸图像的保边去噪、目标分割提取并自动检测出了弹丸中轴线,结果为图像平面上的中轴线直线方程被有效提取。It is of great significance to study the attitude parameters of projectile target intersection for weapon damage effectiveness evaluation. The attitude parameters of projectile are usually extracted based on field experimental images. Therefore, in view of the problems such as high noise interference intensity, low imaging contrast and difficult control of the accuracy of central axis extraction of projectile in field experimental images, etc. The edge preserving and denoising algorithm based on Gaussian and adaptive median filtering, the filling and segmentation algorithm based on Canny edge detection and the central axis extraction method based on the target edge contour are designed. The results show that the influence of the external field noise and the uneven brightness of the projectile surface are significantly reduced. The edge preserving and denoising of the projectile image, target segmentation and extraction are realized, and the central axis of the projectile is detected automatically. The result is that the linear equation of the central axis on the image plane is extracted effectively.

关 键 词：弹丸中轴线 图像处理 高速成像 边缘轮廓 

分 类 号：TP391.1[自动化与计算机技术—计算机应用技术]