| 基于CUDA的快速LBP纹理背景建模算法 |
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| 引用本文： | 祖仲林,李勃,陈启美.基于CUDA的快速LBP纹理背景建模算法[J].武汉理工大学学报(交通科学与工程版),2011,35(1). |
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| 作者姓名： | 祖仲林 李勃 陈启美 |
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| 作者单位： | 南京大学电子科学与工程系,南京,210093 |
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| 基金项目： | 交通部科技攻关项目(批准号:200435333204); 江苏省交通科学研究项目(批准号:05X008)资助 |
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| 摘 要： | 针对复杂条件下背景建模这一视频检测领域的难点,提出一种基于Nvidia CUDA架构图形处理器(GPU)的快速LBP纹理直方图背景建模算法,算法根据GPU的并发结构和硬件特点,采用纹理存储和分页存储方式,利用共享内存与多点访问技术,提高数据访问效率,降低了算法复杂度.实验结果表明,相比CPU实现,GPU方式能够明显改善实时性能,平均加速比在30x左右,帧处理速度达到40 f/s以上.
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| 关 键 词： | CUDA LBP直方图 背景建模 多点访问技术 |
Fast Algorithm Based on LBP Texture Histogram for Background Modeling on CUDA |
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| Zu Zhonglin,Li Bo,Chen Qimei.Fast Algorithm Based on LBP Texture Histogram for Background Modeling on CUDA[J].journal of wuhan university of technology(transportation science&engineering),2011,35(1). |
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| Authors: | Zu Zhonglin Li Bo Chen Qimei |
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| Institution: | Zu Zhonglin Li Bo Chen Qimei(Department of Electronic Science and Engineering,Nanjing University,Nanjing 210093,China) |
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| Abstract: | This paper presents a novel,efficient and fast algorithm based on LBP texture histogram for modeling background on Nvidia CUDA.On the basis of the parallel architecture and hardware characteristic of GPU,the algorithm introduces texture memory and pinned memory,uses shared memory and multipoint access technology to improve the data access efficiency,thus reduce complexity of the proposed algorithm.Experiment results clearly show that,the algorithms performances much better than that on CPU,the acceleration ... |
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| Keywords: | CUDA LBP histogram background modeling multipoint access technology |
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