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  1. No Access

    Article

    An experimental analysis of DCT-based approaches for fine-grained multiresolution video

    In the future, video-streaming systems will have to support adaptation over an extremely large range of display requirements (e.g., 90×60 to 1920×1080). This paper presents the architectural trade-offs of band...

    Jie Huang, Wu-chi Feng, Jonathan Walpole in Multimedia Systems (2006)

  2. No Access

    Article

    Infopipes: An abstraction for multimedia streaming

    To simplify the task of building distributed streaming applications, we propose a new abstraction for information flow – Infopipes. Infopipes make information flow primary, not an auxiliary mechanism that is ...

    Andrew P. Black, Jie Huang, Rainer Koster, Jonathan Walpole in Multimedia Systems (2002)

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    Chapter and Conference Paper

    The Minimal Buffering Requirements of Congestion Controlled Interactive Multimedia Applications

    This paper uses analysis and experiments to study the minimal buffering requirements of congestion controlled multimedia applications. Applications in the Internet must use congestion control protocols, which ...

    Kang Li, Charles Krasic, Jonathan Walpole in Interactive Distributed Multimedia Systems (2001)

  4. No Access

    Chapter and Conference Paper

    The Case for Streaming Multimedia with TCP

    In this paper, we revisit and challenge the dogma that TCP is an undesirable choice for streaming multimedia, video in particular. For some time, the common view held that neither TCP nor UDP, the Internet’s m...

    Charles Krasic, Kang Li, Jonathan Walpole in Interactive Distributed Multimedia Systems (2001)

  5. Chapter and Conference Paper

    Thread Transparency in Information Flow Middleware

    Applications that process continuous information flows are challenging to write because the application programmer must deal with flow-specific concurrency and timing requirements, necessitating the explicit m...

    Rainer Koster, Andrew P. Black, Jie Huang, Jonathan Walpole, Calton Pu in Middleware 2001 (2001)

  6. No Access

    Article

    InfoFilter: Supporting quality of service for fresh information delivery

    With the explosive growth of the Internet and World Wide Web comes a dramatic increase in the number of users that compete for the shared resources of distributed system environments. Most implementations of a...

    Ling Liu, Calton PU, Karsten Schwan, Jonathan Walpole in New Generation Computing (2000)

  7. Chapter

    Quality of Service Semantics for Multimedia Database Systems

    Quality of service (QoS) support has been a hot research topic in multimedia databases, and multimedia systems in general, for the past several years. However, there remains little consensus on how QoS support...

    Jonathan Walpole, Charles Krasic, Ling Liu, David Maier, Calton Pu in Database Semantics (1999)

  8. No Access

    Article

    A quality-of-service specification for multimedia presentations

    The bandwidth limitations of multimedia systems force trade-offs between presentation-data fidelity and real-time performance. For example, digital video is commonly encoded with lossy compression to reduce ba...

    Richard Staehli, Jonathan Walpole, David Maier in Multimedia Systems (1995)

  9. No Access

    Chapter and Conference Paper

    A distributed real-time MPEG video audio player

    This paper presents the design, implementation and experimental analysis of a distributed, real-time MPEG video and audio player. The player is designed for use across the Internet, a shared environment with v...

    Shanwei Cen, Calton Pu, Richard Staehli in Network and Operating Systems Support for … (1995)

  10. No Access

    Chapter and Conference Paper

    Storage system architectures for continuous media data

    Data storage systems are being called on to manage continuous media data types, such as digital audio and video. There is a demand by applications for “constrained-latency storage access” (CLSA) to such data: ...

    David Maier, Jonathan Walpole in Foundations of Data Organization and Algor… (1993)