基于Unity3D的增强现实技术研究-电子与通信工程专业论文.docx

摘 要 增强现实技术是一种全新的人机交互技术，它借助计算机图形技术和可视化 技术，把虚拟的图像、文字信息及三维模型与现实场景无缝融合在一起，呈现给 用户一个感官效果真实的新环境。增强现实在虚拟世界与真实环境之间架起了一 座桥梁，具有很大的应用潜力。随着增强现实技术的不断发展，增强现实已逐步 应用到医疗、军事、商业、科教、导航等各个领域，给人们的生活带来重要影响。 本文首先介绍增强现实的概念、发展动态以及应用领域。然后，阐述增强现 实系统中所涉及的理论知识，其中对增强现实系统的性能指标及框架进行了介绍， 并对三维注册理论知识进行了相关说明及推导。本文使用的三维渲染引擎是 Unity3D，基于该引擎完成了增强现实系统的虚实融合模块设计，实现了使虚拟信 息在真实世界中保持正确位置和姿态的实时渲染技术和用户交互控制技术。最终 在基于 Unity3D 的增强现实应用开发系统平台上开发了两款增强现实应用软件， 即 AR 家装展览应用和 AR 读报应用。 关键词：增强现实 三维注册 虚实融合 Unity3D Abstract Augmented Reality (AR) is a kind of novel Human Computer Interaction (HCI) technique, which perfectly combines virtual images, literal information, 3D model and real scene depending on computer graphics and visualization technology. It provides users of a new world with realistic feelings. AR builds a bridge between virtual world and real environment, with greater application potential. With the increasing development of AR technology, AR has applied to medical, military, commercial, education, navigation, and so force, having a substantial influence on people’s life. This dissertation introduces the concept of AR as well as its development and application first. Then, the theoretical knowledge is presented, including the performance index and framework of AR system and the knowledge introduction and theoretical derivation of 3D registration. The 3D rendering engine we adopted is Unity3D, based on which we complete the design of virtual-real fusion systematically, implement the real-time rendering technique to make virtual information stay in right position and posture, as well as HCI technique. At last, we complete an AR application developing platform based on Unity3D and two AR applications, i.e. AR House Decoration Show and AR Daily. Keyword: Augmented reality, 3D registration, Virtual-real fusion, Unity3D 目 录 摘 要..................................................................................................................................I Abstract.........................................................