基于抖动的导航路径图像无缝拼接方法仿真  

Simulation of Seamless Stitching Method Based on Jitter for Navigation Path Image

作　　者：王震[1] 许恒硕[2] 袁红亮 汪国平[3] WANG Zhen;XU Heng-Shuo;YUAN Hong-liang;WANG Guo-ping(Shenyang Ligong University,Shenyang Liaoning 110159,China;College of Computer Science,Nankai University,Tianjin 300000,China;School of Information Science and Technology,Peking University,Beijing 100871,China)

机构地区：[1]沈阳理工大学,辽宁沈阳110159 [2]南开大学计算机科学学院,天津300000 [3]北京大学信息科学与技术学院,北京100871

出　　处：《计算机仿真》2020年第1期425-429,共5页Computer Simulation

摘　　要：由于传统导航路径图像拼接法受尺寸大小、视觉角度以及光照变换等外界因素的影响,导致抖动图像匹配效果差,无法得到有效图像。因此,提出并设计一种基于抖动的导航路径图像无缝拼接方法。首先使用傅里叶变换方式对初始图像做变换处理,得到经过粗糙拼接的抖动结果,获取导航路径抖动后图像,再采用仿射映射与矩阵分解法对抖动图像做配准处理,修正该图像畸变,并得出两幅图像变换关系,然后使用ASIFT方式对其做特征点匹配计算,同时依据RANSAC原理去除匹配错误点,最后通过加权平滑方式对两幅抖动图像拼接线处理,实现抖动导航路径无缝拼接图像。通过仿真证明,所提方法计算简便、图像清晰、拼接效果具有较高实效性等优点。The traditional navigation path image stitching method is affected by external factors such as size,visu-al angle and illumination conversion,the matching effect of the dither image is poor,and an effective image cannot be obtained.Therefore,a seamless mosaic method of navigation path image based on jitter is proposed and designed.Firstly,the initial image is transformed by Fourier transform,and the jitter result after rough stitching is obtained,and the image after navigation path jitter is obtained.Then the affine mapping and matrix decomposition method are used to register the jitter image,to correct the image distortion,and to obtain the relationship between the two ima-ges,and then the feature point matching is calculated by ASIFT.At the same time,the matching error points are re-moved according to the RANSAC principle.Finally,the jitter navigation path seamless stitching image is processed by weighted smoothing.The simulation results show that the proposed method is easy to calculate,the image is clear,and the stitching effect is highly effective.

关 键 词：抖动图像 导航路径图像 图像无缝拼接 图像配准 图像融合 

分 类 号：TP309[自动化与计算机技术—计算机系统结构]