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	LOW-DELAY WINDOW-BASED RATE CONTROL SCHEME FOR VIDEO QUALITY OPTIMIZATION IN VIDEO ENCODER
	Li, Yuan ; Jia, Huizhu ; Zhu, Chuang ; Li, Meng ; Xie, Xiaodong ; Gao, Wen
	2014
关键词	Rate control buffer latency video quality window-based video encoder REAL-TIME VIDEO
英文摘要	The consistent video quality and encoding latency due to buffering are two important aspects in designing rate control scheme for the application of real-time video coding system. To well balance these two contrary objectives, we firstly analyze the constraint of buffer latency and the definition of a "consistent" video quality. Then a window-based rate control scheme is proposed with one window for controlling the rate and latency, while the other window for optimizing video quality. By applying low complexity frame level rate-distortion model in the testing sequences, our proposed method shows excellent performance in balancing the encoder buffer latency and optimized video quality. Besides, this one-pass rate control scheme is highly practical for the real-time video coding application.; Acoustics; Engineering, Electrical & Electronic; EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1109/ICASSP.2014.6855024
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/405626]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Li, Yuan,Jia, Huizhu,Zhu, Chuang,et al. LOW-DELAY WINDOW-BASED RATE CONTROL SCHEME FOR VIDEO QUALITY OPTIMIZATION IN VIDEO ENCODER. 2014-01-01.

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