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ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), Volume 7 Issue 1, January 2011

Multigranularity reuse of learning resources
Marek Meyer, Christoph Rensing, Ralf Steinmetz
Article No.: 1
DOI: 10.1145/1870121.1870122

This article investigates a scenario of reuse in which existing learning resources serve as preliminary products for the creation of new learning resources. Authors should be able to reuse learning resources and also parts of them at different...

SMIL builder: An incremental authoring tool for SMIL Documents
Samia Bouyakoub, Abdelkader Belkhir
Article No.: 2
DOI: 10.1145/1870121.1870123

We present in this article a temporal SMIL editor with incremental verification capabilities, based on a formal Petri Net--based model. Our authoring tool, named SMIL Builder, allows the author to “build” his document step by step,...

Modeling and assessing quality of information in multisensor multimedia monitoring systems
M. Anwar Hossain, Pradeep K. Atrey, Abdulmotaleb El Saddik
Article No.: 3
DOI: 10.1145/1870121.1870124

Current sensor-based monitoring systems use multiple sensors in order to identify high-level information based on the events that take place in the monitored environment. This information is obtained through low-level processing of sensory media...

Near-duplicate keyframe retrieval by semi-supervised learning and nonrigid image matching
Jianke Zhu, Steven C. H. Hoi, Michael R. Lyu, Shuicheng Yan
Article No.: 4
DOI: 10.1145/1870121.1870125

Near-duplicate keyframe (NDK) retrieval techniques are critical to many real-world multimedia applications. Over the last few years, we have witnessed a surge of attention on studying near-duplicate image/keyframe retrieval in the multimedia...

A framework for cross-layer optimization of video streaming in wireless networks
Cheng-Hsin Hsu, Mohamed Hefeeda
Article No.: 5
DOI: 10.1145/1870121.1870126

We present a general framework for optimizing the quality of video streaming in wireless networks that are composed of multiple wireless stations. The framework is general because: (i) it can be applied to different wireless networks, such as IEEE...

An empirical analysis of serendipitous media sharing among campus-wide wireless users
Surendar Chandra, Xuwen Yu
Article No.: 6
DOI: 10.1145/1870121.1870127

Contemporary systems use centralized as well as peer-to-peer mechanisms for the large scale distribution of media objects. In this work, we investigate a serendipitous mechanism for directly sharing media objects among a local community of...