Influence of encoder parameters on the decoded video quality for MPEG-4 over W-CDMA mobile networks

Author

Soares, Luis Ducla ; Adachi, Satoru ; Pereira, Femando

Author_Institution

Inst. Superior Tecnico, Lisbon, Portugal

Volume

2

fYear

2000

fDate

10-13 Sept. 2000

Firstpage

148

Abstract

The MPEG-4 standard provides error resilience tools that can significantly increase the decoded video quality when using error prone media to transmit or store the encoded data. However, the use of these tools introduces extra redundancy and overhead in the bitstreams, which means that the decoded video quality can be severely affected if no careful configuration of the relevant parameters is done while taking into account the error characteristics of the channel being used. In this paper, a videotelephony system over a W-CDMA mobile network is used to study the influence of the encoding parameters on the decoded video quality, notably its behavior and optimization.

Keywords

broadband networks; code division multiple access; decoding; land mobile radio; optimisation; redundancy; video coding; videotelephony; MPEG-4; W-CDMA mobile networks; decoded video quality; encoder parameters; error characteristics; error prone media; error resilience tools; optimization; overhead; redundancy; videotelephony system; Context-aware services; Decoding; MPEG 4 Standard; Multiaccess communication; Multiplexing; Redundancy; Resilience; Telecommunications; Video compression; Wideband;

fLanguage

English

Publisher

ieee

Conference_Titel

Image Processing, 2000. Proceedings. 2000 International Conference on

Conference_Location

Vancouver, BC, Canada

ISSN

1522-4880

Print_ISBN

0-7803-6297-7

Type

conf

DOI

10.1109/ICIP.2000.899249

Filename

899249