Earticle

초록

영어

The demand on fast H.264 video processing technology is highly increasing since the electronics devices with encoding, transmission, and decoding high-resolution video are becoming popular in the consumer market. In this paper, we present a fast H.264 video decoding method by modifying the algorithm dealing with parsing bit-stream of variable-length code (VLC). The key idea of our approach is to reverse the bit order in a fast way through LUT (Look-Up-Table) in order to reduce the bit pattern extraction time for VLC stream. We demonstrated the speedup by employing the proposed idea for H.264 real-time video encryption application. The experimental results show about 11% execution time reduction in the part of video stream parsing function and 3.1% time reduction in the whole video encryption system.

목차

Abstract
 1. Introduction
 2. The Background and Problem Definition
  2.1. H.264 Video Standard and Overview of Decoder
  2.2. Conventional Video Decoding Procedure for Variable Length Code
  2.3 H.264 Video Encryption Algorithm
 3. Proposed Method Using Bit-Reordering
  3.1 General Case
  3.2 Endian Consideration
 4. Experimental Results
 5. Conclusion
 Acknowledgement
 References

키워드

저자

• Kang Yi [ School of Computer Science and Electrical Engineering, Handong Global University, Pohang, Korea ]
• Yuo-Han Lee [ School of Computer Science and Electrical Engineering, Handong Global University, Pohang, Korea ]
• Jeong-Hyun Joo [ Department of Computer Engineering, Seoul National University, Seoul, Korea ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Multimedia and Ubiquitous Engineering

• 간기

  월간

• pISSN

  1975-0080

• 수록기간

  2008~2016

• 등재여부

  SCOPUS

• 십진분류

  KDC 505 DDC 605