Title :
Accelerating CABAC encoding for multi-standard media with configurability
Author :
Flordal, Oskar ; Wu, Di ; Liu, Dake
Author_Institution :
Dept. of Electr. Eng., Linkoping Univ., Sweden
Abstract :
This paper presents the study of how to accelerate CABAC encoding for emerging heterogeneous multimedia applications. The latest image and video compression standards such as JPEG2000 and H.264 both have adopted context adaptive binary arithmetic coding to achieve performance enhancement. However, CABAC requires high computing power. After investigating computational complexity of CABAC coding, firstly, instruction level acceleration is elaborated. Secondly, a configurable accelerator for CABAC encoding in multiple standards is proposed. Benchmarking performance and implementation cost is also addressed.
Keywords :
arithmetic codes; binary codes; computational complexity; image coding; multimedia computing; CABAC encoding; computational complexity; context adaptive binary arithmetic coding; heterogeneous multimedia application; instruction level acceleration; multistandard media; Acceleration; Arithmetic; Bit rate; Computational complexity; Encoding; Entropy coding; Image coding; MPEG 4 Standard; Transform coding; Video compression;
Conference_Titel :
Parallel and Distributed Processing Symposium, 2006. IPDPS 2006. 20th International
Print_ISBN :
1-4244-0054-6
DOI :
10.1109/IPDPS.2006.1639458
