| 无线显示适配器的ME结构设计与FPGA实现 |
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| 引用本文： | 安西平,杨大利.无线显示适配器的ME结构设计与FPGA实现[J].北京机械工业学院学报,2011(2):77-81. |
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| 作者姓名： | 安西平 杨大利 |
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| 作者单位： | 北京信息科技大学计算机学院; |
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| 基金项目： | 北京市属市管高等学校人才强教计划资助项目(PHR201007131) |
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| 摘 要： | 为保证无线显示适配器对视频进行实时压缩编码,提出了一种基于全搜索块匹配算法的运动估计硬件结构,并在FPGA上实现。结构采用二维processsing element（PE）阵列,设计的搜索窗寄存器阵列可获得搜素范围数据最高的复用率,经过优化的PE单元结构减少了对硬件资源的需求。实验结果显示,系统运算速度快,PE利用率高,在工作主频35.6 MHz下,能实时完成1 280×720@30fps视频编码,可用于无线显示适配器的编码端。
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| 关 键 词： | 运动估计 全搜索算法 硬件结构 现场可编程门阵列 |
ME architecture design and FPGA implementation for wireless display adapter |
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| AN Xi-ping,YANG Da-li.ME architecture design and FPGA implementation for wireless display adapter[J].Journal of Beijing Institute of Machinery,2011(2):77-81. |
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| Authors: | AN Xi-ping YANG Da-li |
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| Affiliation: | AN Xi-ping,YANG Da-li(School of Computer Science,Beijing Information Science and Technology University,Beijing 100101,China) |
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| Abstract: | To guarantee the real-time video compression of the wireless display adapter,a motion estimation hardware architecture based on a full-search block-matching algorithm is proposed.A 2-D PE array is adopted to implement the structure and the design is synthesized and implemented on FPGA.The designed search window register array can obtain the highest rate of data re-use and PE cell structure is optimized to reduce the demand on hardware resources.Experimental results show that this architecture has fast proce... |
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| Keywords: | motion estimation full search algorithm hardware architecture field-programmable gate array |
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