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Fast entropy-based CABAC rate estimation for mode decision in HEVC

Wei-Gang Chen, Xun Wang
2016 SpringerPlus  
So, the development of a fast rate estimation algorithm for CABACbased coding has a great practical significance for mode decision in HEVC.  ...  To maximize the reduction of computational complexity, we propose a fast entropybased CABAC rate estimator in this paper.  ...  The authors would like to thank the anonymous reviewers for their helpful comments. Competing interests The authors declare that they have no competing interests.  ... 
doi:10.1186/s40064-016-2377-0 pmid:27386240 pmcid:PMC4912508 fatcat:xqzl2sxnqjcmbfmnpdb77qdxa4

Taylor rate-distortion trade-off and adaptive block search for HEVC encoding

R.D. Anitha Kumari, A. Narendranath Udupa
2021 International Journal of Computational Vision and Robotics  
Accordingly, this work develops an approach for video compression by proposing weighted entropy coding and adaptive block search-based rate-distortion (R-D) trade-off, named Taylor R-D trade-off.  ...  The adaptive block search R-D trade-off, by integrating the hexagon-based tree search algorithm (HBTSA), along with the Taylor R-D trade-off for initiating the block search process of motion estimation  ...  Li et al. (2017) developed a method, named auto regression based fast mode decision, which includes most probable mode (MPM) joint fast mode selection and AR-based fast mode selection for H.265/HEVC intra  ... 
doi:10.1504/ijcvr.2021.10033645 fatcat:p632ubbu35bsjf5evjw5b5rapm

Low Complexity Joint RDO of Prediction Units Couples for HEVC Intra Coding

Maxime Bichon, Julien Le Tanou, Michael Ropert, Wassim Hamidouche, Luce Morin, Lu Zhang
2018 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
An HEVC encoder provides Rate-Distortion optimization coding tools for block-wise compression.  ...  HEVC is the latest block-based video compression standard, outperforming H.264/AVC by 50% bitrate savings for the same perceptual quality.  ...  Short Listing on P U i+1 In the HEVC reference Model HM16.12 [14] used in our experiments, classical-RDO for Intra coding is only applied on a shortlist of modes created by Rough Mode Decision (RMD)  ... 
doi:10.1109/icassp.2018.8462489 dblp:conf/icassp/BichonTRHM018 fatcat:m6v66of36fcrdngtgfejqygfbi

Entropy Coding in HEVC [chapter]

Vivienne Sze, Detlev Marpe
2014 Integrated Circuits and Systems  
Accordingly, during the standardization of entropy coding for HEVC, both aspects of coding efficiency and throughput were considered.  ...  This chapter describes the functionality and design methodology behind CABAC entropy coding in HEVC.  ...  To maximize the impact of fast bypass coding, the bypass coded bins for luma intra prediction mode coding within a CU are grouped together in HEVC [23] .  ... 
doi:10.1007/978-3-319-06895-4_8 dblp:series/icas/SzeM14 fatcat:5mmpc2vaqfhgzayql5ibdjismy

Computational complexity reduction in HEVC intra prediction using dual tree complex wavelet transform and holoentropy

Swati Vinod Sakhare, Dr. Upena D. Dalal
2020 Asian journal of convergence in technology  
By using DTCWT, total intra prediction modes are reduced from 35 modes to 7 modes including DC and Planer mode.  ...  The encoding process in HEVC system is performed using clustered entropy computing, which distinguishes the video information has useful outliers.  ...  On average, the proposed fast intra mode decision provides about 2.5× speedup with just a 1.0% Bjontegaard delta rate (BD-rate) increase [28] .  ... 
doi:10.33130/ajct.2020v06i02.004 fatcat:fzf5z6otsbejhocpltmpnsqz2e

Highly parallel mode decision method for HEVC

Jun Zhang, Feng Dai, Yike Ma, Yongdong Zhang
2013 2013 Picture Coding Symposium (PCS)  
In this paper, we exploit the potential parallelism in HEVC mode decision (MD) process and propose a highly parallel MD method which works in a motion estimation region (MER).  ...  On the other hand, the coding mode space is too large and it's very time consuming for an HEVC encoder to search for the best coding mode.  ...  Mode Decision for HEVC Encoding Take a CTU or MER for example, its mode means the CU splitting manner within itself, PU partition mode of each CU, prediction information of each PU, and the TU splitting  ... 
doi:10.1109/pcs.2013.6737738 dblp:conf/pcs/ZhangDMZ13 fatcat:uomdltrr2zcsfagxz7q7vwm4hu

Efficient Software HEVC to AVS2 Transcoding

Yucong Chen, Yun Zhou, Jiangtao Wen
2016 Information  
The proposed algorithm achieves 11×-17× speed gains over the AVS2 reference software RD 14.0 with a modest BD-rate loss of 9.6%-16.6%.  ...  High Efficient Video Coding (HEVC) is the newest global video coding standard announced in 2013.  ...  Picture Decision and MV Estimation, and II-B represents the Fast Intra Mode Decision.  ... 
doi:10.3390/info7030053 fatcat:7f5ezgxibvg2vlbt4siuwykbnu

Low Complexity Mode Decision for 3D-HEVC

Qiuwen Zhang, Nana Li, Yong Gan
2014 The Scientific World Journal  
In this paper, a fast mode decision algorithm based on variable size CU and DE is proposed to reduce 3D-HEVC computational complexity.  ...  In the test model of 3D-HEVC, variable coding unit (CU) size decision and disparity estimation (DE) are introduced to achieve the highest coding efficiency with the cost of very high computational complexity  ...  Acknowledgments The authors would like to thank the editors and anonymous reviewers for their valuable comments. This work was supported in part by the National Natural Science  ... 
doi:10.1155/2014/392505 pmid:25254237 pmcid:PMC4164800 fatcat:sct4fqbcmjan7puv5gozqwsrdm

Application-Specific Cache and Prefetching for HEVC CABAC Decoding

Philipp Habermann, Chi Ching Chi, Mauricio Alvarez-Mesa, Ben Juurlink
2017 IEEE Multimedia  
Context-based Adaptive Binary Arithmetic Coding (CABAC) is the entropy coding module in the HEVC/H.265 video coding standard.  ...  The proposed HEVC/H.265 CABAC decoder allows the decoding of high-quality Full HD videos in real-time using few hardware resources on a low-power FPGA.  ...  HEVC CABAC Decoding CABAC is the entropy coding module of the HEVC standard.  ... 
doi:10.1109/mmul.2017.12 fatcat:aoiwpo3bgvc77pik4i5gbqfgcq

Complexity Analysis of New Future Video Coding (FVC) Standard Technology

Soulef Bouaafia, Randa Khemiri, Seifeddine Messaoud, Fatma Elzahra Sayadi, Floriano De Rango
2021 International Journal of Digital Multimedia Broadcasting  
Second, a fast FVC mode decision is proposed to reduce encoding computational complexity.  ...  Future Video Coding (FVC) is a modern standard in the field of video coding that offers much higher compression efficiency than the HEVC standard.  ...  Another fast algorithm named "early skip mode decision" for the HEVC is presented in [25] .  ... 
doi:10.1155/2021/6627673 fatcat:pquv4tes7fapdej7rp6zrynwie

Intra Mode Selection for Depth Map Coding in 3D-HEVC

Qiuwen Zhang
2014 The Smart Computing Review  
In the current 3D high efficiency video coding method, new depth intra modes including Depth Modeling Modes and Region Boundary Chain coding are used for depth map coding.  ...  It makes use of the coding information from a spatial neighboring depth map treeblock and the co-located texture video treeblock to predict the depth map intra mode treeblock and terminate its mode decision  ...  Acknowledgement Smart Computing Review, vol. 4, no. 5, October 2014 The authors would like to thank the editors and anonymous reviewers for their valuable comments.  ... 
doi:10.6029/smartcr.2014.05.003 fatcat:aafcvr6y7vfdpgpwdmkuyeqzyi

Optimizing HEVC CABAC Decoding with a Context Model Cache and Application-Specific Prefetching

Philipp Habermann, Chi Ching Chi, Mauricio Alvarez-Mesa, Ben Juurlink
2015 2015 IEEE International Symposium on Multimedia (ISM)  
As in the predecessor H.264/AVC, CABAC is a well-known throughput bottleneck due to its strong data dependencies.  ...  Context-based Adaptive Binary Arithmetic Coding is the entropy coding module in the most recent JCT-VC video coding standard HEVC/H.265.  ...  For all AI modes and for the low QP RA modes the miss rate is less than 5%, but it almost reaches 10% for the high QP RA modes. With four and more CLs the miss rate is less than 1.5% for all modes.  ... 
doi:10.1109/ism.2015.97 dblp:conf/ism/HabermannCMJ15 fatcat:igublsgmufe4hhdxjogdgnzt4i

Low-Complexity and Hardware-Friendly H.265/HEVC Encoder for Vehicular Ad-Hoc Networks

Xiantao Jiang, Jie Feng, Tian Song, Takafumi Katayama
2019 Sensors  
Compared to HEVC reference software HM16.0, the encoding time is reduced by up to 63.96%, while the Bjontegaard delta bit-rate is increased by only 0.76–0.80% on average.  ...  Moreover, the proposed HEVC encoder is low-complexity and hardware-friendly for video codecs that reside on mobile vehicles for VANETs.  ...  Low Complexity Algorithm for H.265/HEVC Encoder To reduce the encoding complexity of the H.265/HEVC encoder, some fast algorithm of coding unit (CU) size decision and prediction unit (PU) mode decision  ... 
doi:10.3390/s19081927 fatcat:o63cx5dqlndfxagmtojf4l7g2e

Improved Video Coding Technique for Next Generation Communication System

Sarmad K. Ibrahim, College of Engineering, Al-Mustansiriyah University, Baghdad, Iraq, Nasser N. Khamiss
2019 Journal of Communications  
Finally, the paper is compared a different mode of the types in HEVC to select the optimal mode that it achieved the compression with low bit rate and high PSNR Index Terms-5G, HEVC; AVC; VP9, 8K, 4K,  ...  The paper used the parameter such as bit rate, PSNR for evaluation purposes.  ...  The prediction modes in HEVC are much more complicated than in AVC. Low precision fast RDO is used in other AVC coding established on the estimation of distortion and bit rate.  ... 
doi:10.12720/jcm.14.8.715-720 fatcat:wzlukjlpznd25ggukylteb2oay

Improved entropy encoding for high efficient video coding standard

B.S. Sunil Kumar, A.S. Manjunath, S. Christopher
2018 Alexandria Engineering Journal  
The experimentation is carried out using eight benchmark video sequences and the PSNR for varying rate of data transmission is investigated.  ...  The High Efficiency Video Coding (HEVC) has better coding efficiency, but the encoding performance has to be improved to meet the growing multimedia applications.  ...  Earlier, the faster decision making problem has been addressed in 2015 by Hu and Yang [5] and they have proposed a fast Intra Mode Decision (OIMD) algorithm for minimizing the computational complexity  ... 
doi:10.1016/j.aej.2016.09.003 fatcat:hy4t2gwsobgv7hn6eacaazdyky
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