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Packet loss resilience for video stream over the Internet

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4 Author(s)
Jae-Young Pyun ; Dept. of Electron. Eng., Korea Univ., Seoul, South Korea ; Jae-Jeong Shim ; Sung-Jea Ko ; Sang-Hyun Park

Delivering video over the Internet is an important component of many Internet multimedia applications. However, currently the Internet does not offer any quality of service (QoS) guarantees to video transmission. Loss of packets in a video frame not only degrades the video quality, but also allows the error to propagate in the video stream. To solve this problem, several methods such as forward error control (FEC), retransmission, and error concealment have been proposed. However, these methods can not cope with bursty packet losses in the Internet. In this paper, we present a new error recovery scheme, called GOP based error spreading (GES), using packet interleaving at the group of picture (GOP) level. Experimental results show that the deterioration of video quality can be reduced by spreading the encoded data losses.

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:48 ,  Issue: 3 )

Date of Publication:

Aug 2002

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