[논문]Performance Analysis of Future Video Coding (FVC) Standard Technology

Choi, Young-Ju; Kim, Ji-Hae; Lee, Jong-Hyeok; Kim, Byung-Gyu

doi:10.9717/jmis.2017.4.2.73

Performance Analysis of Future Video Coding (FVC) Standard Technology 원문보기

The journal of multimedia information system, v.4 no.2, 2017년, pp.73 - 78

Choi, Young-Ju (Dept. of IT Engineering, Sookmyung Women's University) , Kim, Ji-Hae (Dept. of IT Engineering, Sookmyung Women's University) , Lee, Jong-Hyeok (Dept. of Computer Engineering, SunMoon University) , Kim, Byung-Gyu (Dept. of IT Engineering, Sookmyung Women's University)

Abstract ▼ AI-Helper

The Future Video Coding (FVC) is a new state of the art video compression standard that is going to standardize, as the next generation of High Efficiency Video Coding (HEVC) standard. The FVC standard applies newly designed block structure, which is called quadtree plus binary tree (QTBT) to improve the coding efficiency. Also, intra and inter prediction parts were changed to improve the coding performance when comparing to the previous coding standard such as HEVC and H.264/AVC. Experimental results shows that we are able to achieve the average BD-rate reduction of 25.46%, 38.00% and 35.78% for Y, U and V, respectively. In terms of complexity, the FVC takes about 14 times longer than the consumed time of HEVC encoder.

주제어

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문제 정의

In this paper, we introduce new coding tools to improve the coding efficiency and analyze them in detail. Especially, we have three coding parts: Block structure, intra prediction, and inter prediction mechanisms.

제안 방법

The Joint Exploration Test Model (JEM) of FVC was developed based on the HEVC Test Model (HM)[2],[3],[4],[5]. Consequently, the basic framework of encoding and decoding is the same with the HEVC, however, the internal coding tools of modules of block structure, intra and inter prediction and transform, loop filter and entropy coding are added and modified.
In this paper, a comprehensive coding features for the FVC standard comparing with HEVC have introduced and analyzed. The most important feature of the FVC is the block structure with a QTBT structure which simplify the coding units and improve the coding efficiency.

이론/모형

In comparison to the most important algorithms with HEVC, in HEVC, there is the Advance Motion Vector Prediction (AMVP) [11] method which uses motion vectors of 5 spatial neighbors, 2 temporal motion vectors, and zero motion vectors as candidate list and employs them for prediction. In FVC, the Advanced temporal motion vector prediction (ATMVP) and Spatial-temporal motion vector prediction (STMVP) methods are used which improve on AMVP [7],[12],[13].

성능/효과

Table 2 shows results of variation ratio of BD-rate and time complexity of JEM comparing with HM. For Y, U and V, average BD-rate reduction ratio of 25.46%, 38.00% and 35.78% are accomplished, respectively. We could see that the reduction value of luma was greater than that of chroma.

후속연구

Also the FVC technology took about 14 times longer than HEVC encoding system. For future work, we need to more analysis to improve the coding efficiency of the FVC.

참고문헌 (17)

J. Chen, Qualcomm Inc., E. Alshina, Samsung Electronics, Gary J. Sullivan, Microsoft Corp., Jens-Rainer Ohm, RWTH Aachen University, Jill Boyce and Intel, "Algorithm Description of Joint Exploration Test Model 5 (JEM 5)," Joint Video Exploration Team (JVET) document JVET-E1001, 5th Meeting, Geneva, CH, Jan. 12-20, 2017.
G. J. Sullivan, J. R. Ohm, W.-J. Han, T. Wiegand, "Overview of the High Efficiency Video Coding (HEVC) Standard," IEEE Transaction on Circuits and Systems for Video Technology, Vol. 22, No. 12, pp. 1649-1668, DEC. 2012.

상세보기
High Efficiency Video Coding (HEVC), Rec. ITU-T H.265 and ISO/IEC 23008-2, Jan. 2013.
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K. Choi, E. Alshina, A. Alshin, and C. Kim, "Information on coding efficiency improvements over HEVC for 4K content", MPEG doc. m37043, Oct. 2015.
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W.-J. Chien and M. Karczewicz, "Extension of Advanced Temporal Motion Vector Predictor", ITU-T SG16/Q6 Doc. VCEG-AZ10, Jun. 2015.
"Future Video Coding FVC test model 5.0 (JEM 5.0)" https://jvet.hhi.fraunhofer.de/svn/svn_HMJEMSoftware/tags/HM-16.6-JEM-5.0/
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