期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
基于方形边框标识的增强现实三维注册方法 被引量:2
1
作者 林思源 何汉武 +1 位作者 朱腾 陈和恩 《传感器与微系统》 CSCD 2019年第4期62-65,共4页
基于计算机视觉的注册算法是增强现实系统最为关键的组成部分。针对人工标识注册的局限性与自然特征注册的速度限制,通过引入黑色边框的方式,结合自然特征设计了一种新的标识物注册方法。方法利用视频帧中标识物的边缘特征完成标识的初... 基于计算机视觉的注册算法是增强现实系统最为关键的组成部分。针对人工标识注册的局限性与自然特征注册的速度限制,通过引入黑色边框的方式,结合自然特征设计了一种新的标识物注册方法。方法利用视频帧中标识物的边缘特征完成标识的初定位与快速跟踪,在标识中间区域提取ORB特征点,并利用随机抽样一致性(RANSAC)算法筛选得到的匹配点对,求解确定摄像机的位姿,利用前向后向光流跟踪优化检测效率。实验结果表明:注册方法在标识物运动情况下可准确完成注册,连续帧注册速率可达100帧/s。 展开更多
关键词 增强现实 三维注册 方形标识 边缘轮廓 光流跟踪
下载PDF
The Complex Analysis Method of Numerical Identification of Parameters of Quasiideals Processes in Doubly-Connected Nonlinear-Layered Curvilinear Domains
2
作者 Olena Hladka Andriy Bomba 《Journal of Mathematics and System Science》 2014年第7期514-521,共8页
The method of numerical solving of nonlinear model problems of theory of a complex quasi-potential in doubly-connected nonlinear-layered curvilinear domains considering inverse influence function of flow on a conducti... The method of numerical solving of nonlinear model problems of theory of a complex quasi-potential in doubly-connected nonlinear-layered curvilinear domains considering inverse influence function of flow on a conductivity coefficient of medium was developed on the basis of synthesis of numerical methods of the quasi-conformal mappings and summary representations in conjunction with domain decomposition by method Schwartz. The proposed algorithm allows finding the potential of the quasiideals field, construction a motion grid (fluid-flow grid) simultaneously defining the flow lines that separate of sub-domains constancy of coefficient conductivity and identification the piecewise-constant values of coefficient conductivity, the local flows for the known measurements on boundary of domain. 展开更多
关键词 Quasi-conformal ('piecewise-conformal') mappings of numerical identification of parameters domain decomposition complex quasi-potential summary representations method method by method Schwartz nonlinear-layered medium.
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部