From a video coding perspective, there are two challenges when performing live distribution over error-prone networks, such as wireless networks: random access and packet loss repair. There is scarceness of solutions that do not impact steady-state usage users with reliable connections. The proposed solution minimizes this by complementing compression-efficient stream companion solely consistin...

This paper presents a TCP-friendly rate allocation algorithm for multiple description coding combined with path diversity. A 3D SPIHT-based multiple description coding is used to generate two independent substreams and each substream is protected with an FEC-based unequal error protection algorithm. In the proposed video streaming framework, two senders simultaneously stream complementary subst...

Communication over today’s IP-based networks are to some extent subject to packet loss. Most real-time applications, such as video streaming, need methods to hide this effect, since resending lost packets may introduce unacceptable delays. For IP-based video streaming applications such a method is referred to as a packet loss concealment scheme. In this thesis a recently proposed mixture model ...

The integration of scalable video representation and network coding (NC) offers an excellent solution to robust and flexible video multicast over IP networks. In this work, we examine one critical component in this system, i.e. video priority ordering and packetization at the source of the multicast tree. First, a GOP-adaptive layer-based packet priority ordering algorithm is proposed to allow ...

Any real-time interactive video coding algorithm used over the Internet needs to be able to cope with packet loss, since the existing error recovery mechanisms are not suitable for real-time data. In this paper, a robust H.263+ video codec suitable for realtime interactive and multicast Internet applications is proposed. Initially, the robustness to packet loss of H.263 video packetised accordi...

1 Motivation and Introduction Real-time multimedia applications communicating over a packet-switched network present new challenges to the current networking technology. One of them is Quality of Service (QoS) requirement. Unlike some other network applications such as email and le transfer, which only require best-eeort service at the network layer, multimedia applications such as video-on-dem...

This overview is targeted at determining stateof-the-art on Error control mechanisms for video streaming over the Internet. The aims of error control mechanisms are to provide and protect the data from errors caused by packet loss due to congestion and link failure. The error control classified into two categories: Error correction coding and Error detection coding. Error control mechanisms for...

The ability to efficiently send and receive high-quality multimedia over unreliable networks has become essential. Compressed video bit streams suffer from bit error and packet loss during transport over these different network types. The MPEG-4 standard was developed with error-resilient video coding techniques to help prevent these types of errors and recover from them when they occur. Despit...

A robust video coding scheme using multiple description coding (MDC) is presented. MDC is an effective approach to combat packet losses in the Internet and wireless networks. The new coder is built on the top of the video coding standard H. 263 baseline coder and employs multiple description vector quantization using translated lattices with local optimization (MDVQ-TLLO). MDVQ-TLLO introduces ...

Multiple description coding (MDC) schemes have become popular as robustness tools in packet switched networks where multiple paths with varying packet loss rates are available. In this paper we propose a new MDC scheme for video using 3D wavelet decomposition. The spatio-temporal coefficients are then grouped using either a random, uniform scheme or a hierarchical scheme. The descriptions are c...