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Advanced Real-Time Rate Control for Low Bit Rate Video Communication
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  • Advanced Real-Time Rate Control for Low Bit Rate Video Communication
  • Advanced Real-Time Rate Control for Low Bit Rate Video Communication
저자명
김윤,Kim. Yoon
간행물명
컴퓨터産業敎育學會論文誌
권/호정보
2006년|7권 5호|pp.513-520 (8 pages)
발행정보
한국컴퓨터산업교육학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this paper, we propose a novel real-time frame-layer rate control algorithm using sliding window method for low bit rate video coding. The proposed rate control method performs bit allocation at the frame level to minimize the average distortion over an entire sequence as well as variations in distortion between frames. A new frame-layer rate-distortion model is derived, and a non-iterative optimization method is used for low computational complexity. In order to reduce the quality fluctuation, we use a sliding window scheme which does not require the pre-analysis process. Therefore, the proposed algorithm does not produce time delay from encoding, and is suitable for real-time low-complexity video encoder. Experimental results indicate that the proposed control method provides better visual and PSNR performance than the existing TMN8 rate control method.