基于视觉传达技术的激光成像雷达图像匹配系统  

Image matching system of laser imaging radar based on visual communication technology

作　　者：张思斯[1] 宁晓蕾 ZHANG Sisi;NING Xiaolei(Shenyang Ligong University,Shenyang 110000,Liaoning)

机构地区：[1]沈阳理工大学,沈阳110000

出　　处：《激光杂志》2024年第5期146-152,共7页Laser Journal

基　　金：辽宁省教育科学课题(No.JG14DB353);辽宁省社会科学界联合会项目(No.2021lslqnkt-047)。

摘　　要：为增强激光成像雷达图像,提升激光成像雷达图像匹配效果,设计基于视觉传达技术的激光成像雷达图像匹配系统。获取激光成像雷达图像,经视觉传达技术中优化后的Retinex增强算法完成图像增强处理后,使用SIFT和旋转不变LBP方法获取关键点和关键点四周区域旋转不变LBP特征,根据关键点相似度判定等实现激光成像雷达图像匹配。实验结果证明:所提系统的峰值信噪比最高为47 dB,结构相似度最高达到0.92;图像特征点匹配精度最高为97%,匹配速度最快为3.6 s,该系统增强了激光成像雷达图像质量,能够高精度实现激光成像雷达图像匹配,为实际工作提供可靠依据与参考。In order to enhance the image of laser imaging radar and improve the image matching effect of laser imaging radar,a laser imaging radar image matching system based on visual communication technology is designed.Obtain the laser imaging radar image.After the image enhancement processing is completed by the optimized Retinex enhancement algorithm in the visual communication technology,SIFT and rotation invariant LBP methods are used to obtain the rotation invariant LBP features of the key points and the area around the key points,and the laser imaging radar image matching is realized according to the similarity judgment of the key points.Experimental results show that the proposed system has a maximum signal-to-noise ratio of 47 dB and a maximum structural similarity of 0.92.The highest matching accuracy of image feature points is 97%,and the fastest matching speed is 3.6 s.The system enhances the image quality of laser imaging radar,and can realize the image matching of laser imaging radar with high precision,which provides a reliable basis and reference for practical work.

关 键 词：视觉传达 激光成像雷达 图像匹配 图像增强 关键点检测 LBP特征描述 

分 类 号：TN929[电子电信—通信与信息系统]