FPGA architecture of the LDPS Motion Estimation for H.264/AVC Video Coding |
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Authors: | Moez Kthiri Hassen Loukil Ahmed Ben Atitallah Patrice Kadionik Dominique Dallet Nouri Masmoudi |
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Affiliation: | 1.IMS laboratory—ENSEIRB-MATMECA, CNRS UMR 5218,University Bordeaux 1,Talence,France;2.High Institute of Electronics and Communication,BP University of Sfax,Sfax,Tunisia;3.National School of Engineering,University of Sfax,Sfax,Tunisia |
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Abstract: | Motion estimation is a highly computational demanding operation during video compression process and significantly affects
the output quality of an encoded sequence. Special hardware architectures are required to achieve real-time compression performance.
Many fast search block matching motion estimation (BMME) algorithms have been developed in order to minimize search positions
and speed up computation but they do not take into account how they can be effectively implemented by hardware. In this paper,
we propose three new hardware architectures of fast search block matching motion estimation algorithm using Line Diamond Parallel
Search (LDPS) for H.264/AVC video coding system. These architectures use pipeline and parallel processing techniques and present
minimum latency, maximum throughput and full utilization of hardware resources. The VHDL code has been tested and can work
at high frequency in a Xilinx Virtex-5 FPGA circuit for the three proposed architectures. |
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