| 基于图形处理器的增强现实自然特征注册算法 |
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| 引用本文： | 赵新灿,张燕.基于图形处理器的增强现实自然特征注册算法[J].南京理工大学学报(自然科学版),2011(4). |
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| 作者姓名： | 赵新灿 张燕 |
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| 作者单位： | 郑州大学信息工程学院; |
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| 基金项目： | 国家公益性行业科研专项(200909106); 国家“863”计划资助项目(2007AA040406) |
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| 摘 要： | 传统的基于中央处理器(CPU)的计算架构已无法满足增强现实(AR)三维注册技术实时运行要求。针对该问题,该文提出采用现代多核异构、大规模并行处理功能的通用图形处理器(GPGPU)来加速和优化AR三维注册算法,研究了在GPU上实现类似特征提取和匹配等AR三维注册核心技术的基础理论、方法和实验。结果表明,通过模块划分和优化后的图像特征提取SIFT算法、随机采样等,能够充分挖掘AR三维注册算法的并行运算潜力,对于640*480像素的图像序列,注册算法能够达到15帧/秒,有效地提高运算实时性。
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| 关 键 词： | 增强现实 三维注册 通用图形处理器 自然特征 |
Augmented Reality Natural Feature Registration Based on Graphics Processing Unit |
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| ZHAO Xin-can,ZHANG Yan.Augmented Reality Natural Feature Registration Based on Graphics Processing Unit[J].Journal of Nanjing University of Science and Technology(Nature Science),2011(4). |
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| Authors: | ZHAO Xin-can ZHANG Yan |
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| Institution: | ZHAO Xin-can,ZHANG Yan(College of Information Engineering,Zhengzhou University,Zhengzhou 450001,China) |
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| Abstract: | The traditional computing architecture based on central processing unit(CPU)can not meet the real-time requirement of the three-dimensional registration technique for augmented reality(AR).In order to solve the problem,a new idea is proposed here,in which,massively parallel processing capabilities of general-purpose graphics processing unit(GPGPU),with modern multi-core heterogenety are employed to accelerate and optimize the challenging techniques of the three-dimensional registration for AR.The fundamenta... |
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| Keywords: | augmented reality three-dimensional registration general-purpose graphics processing unit natural feature |
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