Efficient video transcoding technique for QoS-based home gateway service

Jae W. Kim, Goo R. Kwon, Nam Hyeong Kim, Aldo Morales, Sung-Jea Ko

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The home gateway integrates heterogeneous home network environments and interconnects the home network and the public access networks. It is natural that users want to see the visual contents on the home network from outside the home. However, there exist significant differences in network capability and computing power of users. Video transcoding technique is an efficient mechanism to deliver visual contents to a variety of users who have different network conditions or terminal devices with different display capabilities. In this paper, we propose an efficient video transcoding technique as the key component of the home gateway architecture. It consists of two types of transcoding methods for adapting the bitrate of streaming video to the bandwidth of the transmission channel; spatial resolution reduction transcoding and temporal resolution eduction transcoding. The two transcoding methods are alternatively or simultaneously operated according to the requirements of users. Experimental results show that the proposed transcoding methods can preserve image quality while transcoding to the low bitrate.

Original languageEnglish
Pages (from-to)129-137
Number of pages9
JournalIEEE Transactions on Consumer Electronics
Volume52
Issue number1
DOIs
Publication statusPublished - 2006 Feb 1

Fingerprint

Home networks
Gateways (computer networks)
Quality of service
Video streaming
Image quality
Display devices
Bandwidth

Keywords

  • Downsizing
  • Frame-skipping streaming
  • Home gateway
  • Home network
  • Transcoding

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Efficient video transcoding technique for QoS-based home gateway service. / Kim, Jae W.; Kwon, Goo R.; Kim, Nam Hyeong; Morales, Aldo; Ko, Sung-Jea.

In: IEEE Transactions on Consumer Electronics, Vol. 52, No. 1, 01.02.2006, p. 129-137.

Research output: Contribution to journalArticle

Kim, Jae W. ; Kwon, Goo R. ; Kim, Nam Hyeong ; Morales, Aldo ; Ko, Sung-Jea. / Efficient video transcoding technique for QoS-based home gateway service. In: IEEE Transactions on Consumer Electronics. 2006 ; Vol. 52, No. 1. pp. 129-137.
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