Fast Rate Estimation for RDO Mode Decision in HEVC
The latter-day H.265/HEVC video compression standard is able to provide two-times higher compression efficiency compared to the current industrial standard, H.264/AVC. However, coding complexity also increased. The main bottleneck of the compression process is the rate-distortion optimization (RDO)...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2014-12-01
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| Series: | Entropy |
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| Online Access: | http://www.mdpi.com/1099-4300/16/12/6667 |
| _version_ | 1798040781439631360 |
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| author | Maxim P. Sharabayko Oleg G. Ponomarev |
| author_facet | Maxim P. Sharabayko Oleg G. Ponomarev |
| author_sort | Maxim P. Sharabayko |
| collection | DOAJ |
| description | The latter-day H.265/HEVC video compression standard is able to provide two-times higher compression efficiency compared to the current industrial standard, H.264/AVC. However, coding complexity also increased. The main bottleneck of the compression process is the rate-distortion optimization (RDO) stage, as it involves numerous sequential syntax-based binary arithmetic coding (SBAC) loops. In this paper, we present an entropy-based RDO estimation technique for H.265/HEVC compression, instead of the common approach based on the SBAC. Our RDO implementation reduces RDO complexity, providing an average bit rate overhead of 1.54%. At the same time, elimination of the SBAC from the RDO estimation reduces block interdependencies, thus providing an opportunity for the development of the compression system with parallel processing of multiple blocks of a video frame. |
| first_indexed | 2024-04-11T22:12:25Z |
| format | Article |
| id | doaj.art-18c815bbd07c45269d04851a4cf8308c |
| institution | Directory Open Access Journal |
| issn | 1099-4300 |
| language | English |
| last_indexed | 2024-04-11T22:12:25Z |
| publishDate | 2014-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Entropy |
| spelling | doaj.art-18c815bbd07c45269d04851a4cf8308c2022-12-22T04:00:31ZengMDPI AGEntropy1099-43002014-12-0116126667668510.3390/e16126667e16126667Fast Rate Estimation for RDO Mode Decision in HEVCMaxim P. Sharabayko0Oleg G. Ponomarev1Tomsk Polytechnic University, 634050, Lenin Avenue, 30, Tomsk, RussiaTomsk State University, 634050, Lenin Avenue, 36, Tomsk, RussiaThe latter-day H.265/HEVC video compression standard is able to provide two-times higher compression efficiency compared to the current industrial standard, H.264/AVC. However, coding complexity also increased. The main bottleneck of the compression process is the rate-distortion optimization (RDO) stage, as it involves numerous sequential syntax-based binary arithmetic coding (SBAC) loops. In this paper, we present an entropy-based RDO estimation technique for H.265/HEVC compression, instead of the common approach based on the SBAC. Our RDO implementation reduces RDO complexity, providing an average bit rate overhead of 1.54%. At the same time, elimination of the SBAC from the RDO estimation reduces block interdependencies, thus providing an opportunity for the development of the compression system with parallel processing of multiple blocks of a video frame.http://www.mdpi.com/1099-4300/16/12/6667H.265/HEVCRDOSBACarithmetic codingentropy rate estimation |
| spellingShingle | Maxim P. Sharabayko Oleg G. Ponomarev Fast Rate Estimation for RDO Mode Decision in HEVC Entropy H.265/HEVC RDO SBAC arithmetic coding entropy rate estimation |
| title | Fast Rate Estimation for RDO Mode Decision in HEVC |
| title_full | Fast Rate Estimation for RDO Mode Decision in HEVC |
| title_fullStr | Fast Rate Estimation for RDO Mode Decision in HEVC |
| title_full_unstemmed | Fast Rate Estimation for RDO Mode Decision in HEVC |
| title_short | Fast Rate Estimation for RDO Mode Decision in HEVC |
| title_sort | fast rate estimation for rdo mode decision in hevc |
| topic | H.265/HEVC RDO SBAC arithmetic coding entropy rate estimation |
| url | http://www.mdpi.com/1099-4300/16/12/6667 |
| work_keys_str_mv | AT maximpsharabayko fastrateestimationforrdomodedecisioninhevc AT oleggponomarev fastrateestimationforrdomodedecisioninhevc |