Finding good approximate vertex and edge partitions is NP-hard
Information Processing Letters
ICIP '97 Proceedings of the 1997 International Conference on Image Processing (ICIP '97) 3-Volume Set-Volume 1 - Volume 1
Performance of packet video with combined error recovery and concealment
INFOCOM '95 Proceedings of the Fourteenth Annual Joint Conference of the IEEE Computer and Communication Societies (Vol. 2)-Volume - Volume 2
A Mesh-based Multiple Description Coding Method for Network Video
AINA '04 Proceedings of the 18th International Conference on Advanced Information Networking and Applications - Volume 2
Multipath routing and multiple description coding in ad-hoc networks: a simulation study
PE-WASUN '04 Proceedings of the 1st ACM international workshop on Performance evaluation of wireless ad hoc, sensor, and ubiquitous networks
Network-adaptive video streaming using multiple description coding and path diversity
ICME '03 Proceedings of the 2003 International Conference on Multimedia and Expo - Volume 1
IEEE Journal on Selected Areas in Communications
Multipath video transport over ad hoc networks
IEEE Wireless Communications
On Routing for Multiple Description Video Over Wireless Ad Hoc Networks
IEEE Transactions on Multimedia
IEEE Transactions on Information Theory
Multiple description coding in networks with congestion problem
IEEE Transactions on Information Theory
Path diversity for enhanced media streaming
IEEE Communications Magazine
Cross-Layer Optimized Multipath Routing for Video Communications in Wireless Networks
IEEE Journal on Selected Areas in Communications
Multiple description wavelet based image coding
IEEE Transactions on Image Processing
Multiple description coding using pairwise correlating transforms
IEEE Transactions on Image Processing
Transform coded image reconstruction exploiting interblock correlation
IEEE Transactions on Image Processing
IEEE Transactions on Circuits and Systems for Video Technology
Guest Editorial: Advances in multimedia services over emerging wireless networks
Journal of Network and Computer Applications
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Guarding against channel errors in wireless networks has been a challenging research problem, specially when transmitting time-constrained contents, like streaming video or image. Multiple description coding (MDC) is an effective means to combat bursty packet losses over wireless channels, and it is especially promising for the applications where retransmission is unacceptable. In MDC, a frame is broken into several equally important descriptions which can be sent over multiple paths to the destination. Meshed multipath routing over wireless mesh networks and MDC, when combined together, could make video/image transmission more error-resilient by providing opportunities to recover erroneous video packets at the intermediate nodes along the route. In this work, we propose to combine MDC and meshed multipath routing in such a way that multiple descriptions are sent over different paths in the network and are merged at the intermediate nodes for possible recovery of corrupted descriptions. The routing uses the idea that when multiple descriptions join at intermediate points it can help in partial recovery of lost or corrupted descriptions by using the link error information. This approach reduces the possibility of error propagation, thereby improving the overall image/video quality at the destination. In order to achieve high gain in terms of peak signal-to-noise ratio (PSNR), we investigate an optimum spatial interleaving based MDC scheme that maximizes the intermediate recovery possibility for a given recovery filter design. We also explore the choice of an optimum number of descriptions for merging at an intermediate merging point that maximizes the PSNR gain. Our simulation study shows that, by introducing recovery possibility even at one intermediate node, it is possible to achieve a PSNR gain of around 5-6dB using our coding, routing, and recovery strategies.