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Region-of-interest based rate control for UAV video coding
Zhao, C.-l.; M. Dai and J.-y. Xiong
2016
发表期刊Optoelectronics Letters
卷号12期号:3
摘要To meet the requirement of high-quality transmission of videos captured by unmanned aerial vehicles (UAV) with low bandwidth, a novel rate control (RC) scheme based on region-of-interest (ROI) is proposed. First, the ROI information is sent to the encoder with the latest high efficient video coding (HEVC) standard to generate an ROI map. Then, by using the ROI map, bit allocation methods are developed at frame level and large coding unit (LCU) level, to avoid inaccurate bit allocation produced by camera movement. At last, by using a better robustness R- model, the quantization parameter (QP) for each LCU is calculated. The experimental results show that the proposed RC method can get a lower bitrate error and a higher quality for reconstructed video by choosing appropriate pixel weight on the HEVC platform. 2016, Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
文章类型期刊
收录类别EI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/57461
专题中科院长春光机所知识产出
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GB/T 7714
Zhao, C.-l.,M. Dai and J.-y. Xiong. Region-of-interest based rate control for UAV video coding[J]. Optoelectronics Letters,2016,12(3).
APA Zhao, C.-l.,&M. Dai and J.-y. Xiong.(2016).Region-of-interest based rate control for UAV video coding.Optoelectronics Letters,12(3).
MLA Zhao, C.-l.,et al."Region-of-interest based rate control for UAV video coding".Optoelectronics Letters 12.3(2016).
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