TY - GEN
T1 - Hardware architecture for fast Intra mode and direction prediction in real-time MPEG-2 to H.264/AVC transcoder
AU - Elarabi, Tarek A.
AU - Ayoubi, Randa
AU - Mahmoud, Hanan
AU - Bayoumi, Magdy
PY - 2012/9/24
Y1 - 2012/9/24
N2 - In this article, we propose a hardware architecture for our fast Intra mode and direction prediction algorithm to accelerate the MPEG-2 to H.264/AVC transcoding devices. In order to eliminate the redundant operations in the transcoder, our implemented algorithm uses the DCT coefficients from the MPEG-2 decoder to predict the Intra mode and reconstruction direction for the H.264/AVC encoder. In addition, the Intra prediction process in the H.264/AVC part of the transcoder has been dramatically accelerated by using our full-search elimination technique. The empirical results show 92% reduction in the transcoding time while reducing the PSNR for less than 3.5%. The proposed architecture has achieved an operating frequency of 323MHz at a power consumption of 112 mW when implemented on Virtex-5 FPGA Development Board.
AB - In this article, we propose a hardware architecture for our fast Intra mode and direction prediction algorithm to accelerate the MPEG-2 to H.264/AVC transcoding devices. In order to eliminate the redundant operations in the transcoder, our implemented algorithm uses the DCT coefficients from the MPEG-2 decoder to predict the Intra mode and reconstruction direction for the H.264/AVC encoder. In addition, the Intra prediction process in the H.264/AVC part of the transcoder has been dramatically accelerated by using our full-search elimination technique. The empirical results show 92% reduction in the transcoding time while reducing the PSNR for less than 3.5%. The proposed architecture has achieved an operating frequency of 323MHz at a power consumption of 112 mW when implemented on Virtex-5 FPGA Development Board.
UR - http://www.scopus.com/inward/record.url?scp=84866384078&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84866384078&partnerID=8YFLogxK
U2 - 10.1109/WoWMoM.2012.6263798
DO - 10.1109/WoWMoM.2012.6263798
M3 - Conference contribution
AN - SCOPUS:84866384078
SN - 9781467312394
T3 - 2012 IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, WoWMoM 2012 - Digital Proceedings
BT - 2012 IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, WoWMoM 2012 - Digital Proceedings
T2 - 13th IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, WoWMoM 2012
Y2 - 25 June 2012 through 28 June 2012
ER -