A 64Cycles/MB, Luma-Chroma Parallelized H.264/AVC Deblocking Filter for 4K × 2K Applications
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概要
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In this paper, a high-throughput debloking filter is presented for H.264/AVC standard, catering video applications with 4K × 2K (4096 × 2304) ultra-definition resolution. In order to strengthen the parallelism without simply increasing the area, we propose a luma-chroma parallel method. Meanwhile, this work reduces the number of processing cycles, the amount of external memory traffic and the working frequency, by using triple four-stage pipeline filters and a luma-chroma interlaced sequence. Furthermore, it eliminates most unnecessary off-chip memory bandwidth with a highly reusable memory scheme, and adopts a “slide window” buffer scheme. As a result, our design can support 4K × 2K at 30fps applications at the working frequency of only 70.8MHz.
著者
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Fan Yibo
State Key Lab Of Asic And System Fudan University
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Shen Weiwei
State Key Lab Of Asic And System Fudan University
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Zeng Xiaoyang
State Key Lab Of Asic And System Fudan University
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ZENG Xiaoyang
State Key Lab of ASIC and System, Fudan University
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SHEN Weiwei
State Key Lab of ASIC and System, Fudan University
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ZENG Xiaoyang
State Key Lab of ASIC & System, Fudan University
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