| 一种面向多核处理器的高效并行PCA-SIFT算法 |
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| 引用本文： | 刘仲,邢彬朝,陈跃跃.一种面向多核处理器的高效并行PCA-SIFT算法[J].国防科技大学学报,2012,34(4):103-107. |
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| 作者姓名： | 刘仲 邢彬朝 陈跃跃 |
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| 作者单位： | 国防科技大学计算机学院,湖南长沙,410073 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 提出一种面向多核处理器的并行PCA-SIFT算法,采用数据级并行方法实现并行的特征提取和特征点匹配,将计算任务分配到各个DSP核并行处理,充分开发多核处理器的多级并行性.实验结果表明,并行PCA-SIFT算法对各种不同图像形变的图像具有良好的适应性,具有接近串行PCA-SIFT算法的图像匹配能力,平均加速比达3.12.
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| 关 键 词： | 并行 PCA-SIFT 图像匹配 多核处理器 |
| 收稿时间： | 2011/11/16 0:00:00 |
An efficient parallel PCA-SIFT algorithm for multi-core processor |
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| LIU Zhong,XING Binchao and Chen Yueyue.An efficient parallel PCA-SIFT algorithm for multi-core processor[J].Journal of National University of Defense Technology,2012,34(4):103-107. |
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| Authors: | LIU Zhong XING Binchao and Chen Yueyue |
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| Institution: | (College of Computer,National University of Defense Technology,Changsha 410073,China) |
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| Abstract: | An efficient parallel PCA-SIFT algorithm for multi-core processor is proposed,which adopts data-level parallel method to implement parallel key points extraction and matching.The computing tasks were assigned to four DSP cores for parallel processing,which fully develops multi-level parallelism of multi-core processor.The experimental results show that the parallel PCA-SIFT algorithm has good adaptability for various distortion images and the image matching ability is close to the sequential algorithm with the average speedup 3.12. |
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| Keywords: | parallel PCA-SIFT image matching multi-core processor |
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