An Effective P-Frame Transcoding from H.264 to MPEG-2


The KIPS Transactions:PartB , Vol. 17, No. 1, pp. 31-36, Feb. 2010
10.3745/KIPSTB.2010.17.1.31,   PDF Download:

Abstract

After the launch of MPEG-2, it is widely used in multimedia applications like a Digital-TV or a DVD. Then, After the launch of H.264 at 2004, it has been expected to replace MPEG-2 and services IPTV and DMB. As we have been used to MPEG-2 devices by this time, we can not access H.264 Broadcast with MPEG-2 device. So We propose a new approach to transcode H.264 video into MPEG-2 form which can facilitate to display H.264 video with MPEG-2 device. To reduce the quality loss by transcoding, we use CPDT(Cascaded Pixel Domain Transcoder) structure. And to minimize processing time, SKIP block, INTRA block and motion vectors obtain from decoding process is employed for transcoding. we use BMA(Boundary Matching Algorithm) to select only one from candidate motion vectors. Experimental results show a considerable improved PSNR with reduction in processing time compared with existing methods.


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Cite this article
[IEEE Style]
G. H. Kim, N. R. Son, G. S. Lee, "An Effective P-Frame Transcoding from H.264 to MPEG-2," The KIPS Transactions:PartB , vol. 17, no. 1, pp. 31-36, 2010. DOI: 10.3745/KIPSTB.2010.17.1.31.

[ACM Style]
Gi Hong Kim, Nam Rye Son, and Guee Sang Lee. 2010. An Effective P-Frame Transcoding from H.264 to MPEG-2. The KIPS Transactions:PartB , 17, 1, (2010), 31-36. DOI: 10.3745/KIPSTB.2010.17.1.31.