昆虫飞行中翅膀序列图像特征匹配方法  

Match method based on wing feature in sequence images of flying insect

作　　者：王颖[1] 张广军[1] 

机构地区：[1]北京航空航天大学仪器科学与光电工程学院,北京100083

出　　处：《光学技术》2005年第5期723-725,728,共4页Optical Technique

基　　金：国家杰出青年科学基金资助项目(50125518)

摘　　要：分析了翅膀外形结构特点以及在序列图像中翅膀边缘特征的变化,提出了基于拓扑变换的几何相对位置不变的约束方法,对翅膀边缘特征进行分区域匹配去掉虚假匹配点;然后利用极线约束实现精确匹配,最终得到在运动过程中翅膀的三维形貌。提出的约束匹配方法不仅有效地剔除了虚假匹配,同时也极大地减小了特征匹配的运算量。实际应用证明此约束匹配方法是较为有效的。Characteristic of wing shape and changing of edge feature in sequence images were analyzed. Invariant of geometric relative position constraint based on topology transformation was proposed so false match could be discarded by region match. Epipolar constraint was used for precision match and 3D reconstruction of moving wing was determined in the end. By this method computation time was saved greatly and false match was eliminated effectively. The experiment results show that this method used in stereo match is effective.

关 键 词：特征匹配 几何位置约束 极线约束 序列图像 

分 类 号：TG806[金属学及工艺—公差测量技术]