基于加速度平滑约束的非刚体三维重建研究  

Research on 3D Non-Rigid Reconstruction Based on Acceleration Smoothness Constraints

作　　者：汪亚明[1] 张静[1] 郑俊褒[1] 

机构地区：[1]浙江理工大学信息学院,杭州310018

出　　处：《浙江理工大学学报（自然科学版）》2017年第6期830-837,共8页Journal of Zhejiang Sci-Tech University(Natural Sciences)

基　　金：浙江省自然科学基金重点项目(LZ15F020004);浙江理工大学521人才资助计划

摘　　要：针对单一投影误差重建精度不高的问题,提出了基于加速度残差最小的轨迹平滑约束的非刚体三维重建方法。在运动轨迹连续性理论基础上,通过视频序列相邻帧的连续性进行分析,在三维重建投影误差基础上同时引入加速度平滑约束并建立目标函数,最后推导出闭式最优解析解。由于非刚性的运动复杂多变,提出的加速度连续性约束是对非刚体运动目标轨迹的物理特性的本质约束,更具有一般性和适应性。与四种典型的运动模型进行实验对比,结果表明该重建方法有效提高了重建的精确度,且实现简单、算法运算复杂度更小。To overcome the defect that the reconstruction method of single projection error is of low precision,a 3 Dnon-rigid reconstruction method of trajectory smoothness constraints based on minimum acceleration residue is proposed.According to the theory of movement trajectory continuity,acceleration smoothness constraints are introduced based on the 3 Dreconstruction projection error to build an objective function,to obtain the optimal closed analytical solution.Due to the complexity of the non-rigid motion,the proposed acceleration continuity constraints are the constraints on the physical properties of non-rigid motion target trajectories,which are of universality and adaptability.The comparison with four typical motion models show that this reconstruction method improves the accuracy of the reconstruction largely,and realizes algorithm in a simple way.

关 键 词：非刚体 三维重建 加速度 平滑约束 解析解 

分 类 号：TP391.4[自动化与计算机技术—计算机应用技术]