Title :
Architecture of global motion compensation for MPEG-4 advanced simple profile
Author :
Chen, Yi-Hau ; Chen, Ching-Yeh ; Chen, Liang-Gee
Author_Institution :
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
Global motion compensation (GMC) is an important coding tool in MPEG-4 advanced simple profile (ASP). In this paper, we propose an efficient GMC hardware architecture for MPEG-4 ASP@L5. Based on analysis of the affine model, the proposed memory arrangement and cascaded scheduling reduce the impact of irregular memory access and improve processing ability. It can process 30 fps at only 25 MHz. The implementation result shows that the total gate count is 19.3 K and internal memory size is 1.28 Kb. It is suitable to be integrated into MPEG-4 ASP encoders and decoders.
Keywords :
interleaved storage; motion compensation; video coding; 1.28 Kbyte; 25 MHz; GMC hardware architecture; MPEG-4 ASP; MPEG-4 advanced simple profile; affine model analysis; cascaded scheduling; decoders; encoders; global motion compensation; hardware implementation; interleaved memory structure; Application specific processors; Cameras; Computational modeling; Computer architecture; Hardware; MPEG 4 Standard; Motion compensation; Motion estimation; Processor scheduling; Video coding;
Conference_Titel :
Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on
Print_ISBN :
0-7803-8834-8
DOI :
10.1109/ISCAS.2005.1464958
