TY - GEN
T1 - A reference picture selection scheme for video transmission over ad-hoc networks using multiple paths
AU - Lin, Shunan
AU - Mao, Shiwen
AU - Wang, Yao
AU - Panwar, Shivendra
PY - 2001
Y1 - 2001
N2 - Enabling video transmission over ad-hoc networks is more challenging than over conventional mobile networks because a connection path in an ad-hoc network is highly error-prone and the path can go down frequently. On the other hand, it is possible to establish multiple paths between a source and a destination, which provides an extra degree of freedom in coding algorithm design. This paper presents a feedback-based reference picture selection scheme for video transmission over ad-hoc networks. Encoded video streams are transmitted over multiple paths and the reference frames for motion compensated prediction are selected according to the feedback information about the paths' condition. Simulations under the two paths scenario have shown significant improvement over two standard techniques, layered coding and video redundancy coding, which do not use feedback. A novel statistical model for the ad-hoc multi-path environment is also proposed and used in our simulation of transmission loss.
AB - Enabling video transmission over ad-hoc networks is more challenging than over conventional mobile networks because a connection path in an ad-hoc network is highly error-prone and the path can go down frequently. On the other hand, it is possible to establish multiple paths between a source and a destination, which provides an extra degree of freedom in coding algorithm design. This paper presents a feedback-based reference picture selection scheme for video transmission over ad-hoc networks. Encoded video streams are transmitted over multiple paths and the reference frames for motion compensated prediction are selected according to the feedback information about the paths' condition. Simulations under the two paths scenario have shown significant improvement over two standard techniques, layered coding and video redundancy coding, which do not use feedback. A novel statistical model for the ad-hoc multi-path environment is also proposed and used in our simulation of transmission loss.
UR - http://www.scopus.com/inward/record.url?scp=84908273869&partnerID=8YFLogxK
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U2 - 10.1109/ICME.2001.1237664
DO - 10.1109/ICME.2001.1237664
M3 - Conference contribution
AN - SCOPUS:84908273869
T3 - Proceedings - IEEE International Conference on Multimedia and Expo
SP - 96
EP - 99
BT - Proceedings - IEEE International Conference on Multimedia and Expo
PB - IEEE Computer Society
T2 - 2001 IEEE International Conference on Multimedia and Expo, ICME 2001
Y2 - 22 August 2001 through 25 August 2001
ER -