Spatio-temporal video transcoder for streaming over mobile communications networks

Jae Won Kim; Goo Rak Kwon; June Sok Lee; Nam Hyeong Kim; Sung Jea Ko

doi:10.1093/ietcom/e89-b.10.2678

Spatio-temporal video transcoder for streaming over mobile communications networks

Jae Won Kim, Goo Rak Kwon, June Sok Lee, Nam Hyeong Kim, Sung Jea Ko

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

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 two types of transcoding methods for adapting the bitrate of streaming video to the bandwidth of the transmission channel; spatial resolution reduction (SRR) transcoding and temporal resolution reduction (TRR) transcoding. The two transcoding methods are alternatively 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 language	English
Pages (from-to)	2678-2686
Number of pages	9
Journal	IEICE Transactions on Communications
Volume	E89-B
Issue number	10
DOIs	https://doi.org/10.1093/ietcom/e89-b.10.2678
Publication status	Published - 2006 Oct

Keywords

Downsizing
Frame-skipping
Refinement
Streaming
Transcoder
Transcoding

ASJC Scopus subject areas

Software
Computer Networks and Communications
Electrical and Electronic Engineering

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10.1093/ietcom/e89-b.10.2678

Cite this

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AU - Ko, Sung Jea

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AB - 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 two types of transcoding methods for adapting the bitrate of streaming video to the bandwidth of the transmission channel; spatial resolution reduction (SRR) transcoding and temporal resolution reduction (TRR) transcoding. The two transcoding methods are alternatively 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.

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KW - Frame-skipping

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Spatio-temporal video transcoder for streaming over mobile communications networks

Abstract

Keywords

ASJC Scopus subject areas

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