【作者】 陈伟雄；

【导师】 王乘； 任波；

【作者基本信息】 华中科技大学 ， 系统分析与集成， 2007， 硕士

【摘要】 增强现实,也被称为混合现实,它通过电脑技术将虚拟的信息应用到真实世界,将真实的环境和虚拟的物体实时地叠加到同一个画面或空间同时存在。增强现实游历于虚拟现实和真实之间,是对现实世界的补充,它通过视觉、听觉、触觉等手段,使得向真实世界中增强的虚拟信息从用户的感官上成为真实世界的一部分。增强现实增强了用户对世界的感知能力和与现实世界的交互能力。本文首先对增强现实技术背景及其理论基础进行了介绍,然后提出了基于增强现实的城市小区规划系统。该系统采用计算机视觉技术结合传统的小区规划系统,研究并定义了规划空间和交互接口。规划空间是用户进行城市小区规划的平台,它依托于真实世界的桌面并通过设置其上多个标识对规划地形进行注册。为了克服在注册过程中部分遮挡的问题,本文提出了一种实时计算的多标识注册方法,该方法能保证定位过程的精确性和稳定性。交互接口为用户提供了针对三维模型的各种操作,包括:选取,放置,删除和缩放等。对于每一种操作都设计了一套与之相对的动作,动作的设计接近于人体日常生活运动习惯,这使得交互接口的使用简单容易。所有的动作都采用摄像头来采集并通过计算机分析识别。整个系统的硬件设备包括头戴式显示器,PC机,摄像头。更多还原

【Abstract】 Augment Reality is also defined as Mixed Reality. It is a technique that merges virtual information into the real world through computer technology, which the real environment and virtual objects can get spliced in the same image or space at real time. AR transfers between both virtual reality and reality, it makes great complements to the real world from vision, hearing and feeling, which make the virtual information merged in become one part of the real world. AR gives us strong apperception and the ability to interact with real world.Firstly the paper gives an introduction about the AR background knowledge and basic theory, and then presents a city planning system based on AR. The paper combines the computer vision technique with traditional city planning system, researches and defines the planning space and interfaces. The planning space is the platform for user to do planning jobs, it is defined by multiple markers which are settled on the table in real world for the registration of urban terrain. The paper proposes a real-time computed register method using multiple markers to overcome the part occlusion and make the registration to be exact and steady. The interfaces provide all kinds of operations about the 3D models, such as pick, put, delete and scale. Each operation is defined a single movement closed to people’s sport habit, it makes the interfaces more convenient to users. All the movements are catched by camera and then the computer will analyse them to make sure which operation occurs.The system hardware devices include HMD, PC and camera.更多还原