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ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM), Volume 5 Issue 3, August 2009

Introduction to the special section for the best papers of ACM multimedia 2008
K. Selçuk Candan, Alberto Del Bimbo, Carsten Griwodz, Alejandro Jaimes
Article No.: 18
DOI: 10.1145/1556134.1556135

Fragment, tag, enrich, and send: Enhancing social sharing of video
Pablo Cesar, Dick C. A. Bulterman, Jack Jansen, David Geerts, Hendrik Knoche, William Seager
Article No.: 19
DOI: 10.1145/1556134.1556136

The migration of media consumption to personal computers retains distributed social viewing, but only via nonsocial, strictly personal interfaces. This article presents an architecture, and implementation for media sharing that allows for enhanced...

The big picture on small screens delivering acceptable video quality in mobile TV
H. Knoche, M. A. Sasse
Article No.: 20
DOI: 10.1145/1556134.1556137

Mobile TV viewers can change the viewing distance and (on some devices) scale the picture to their preferred viewing ratio, trading off size for angular resolution. We investigated optimal trade-offs between size and resolution through a series of...

Compact and progressive plant models for streaming in networked virtual environments
Sebastien Mondet, Wei Cheng, Geraldine Morin, Romulus Grigoras, Frederic Boudon, Wei Tsang Ooi
Article No.: 21
DOI: 10.1145/1556134.1556138

Just as in the real world, plants are important objects in virtual worlds for creating pleasant and realistic environments, especially those involving natural scenes. As such, much effort has been made in realistic modeling of plants. As the trend...

Client-centered multimedia content adaptation
Yong Wei, Suchendra M. Bhandarkar, Kang Li
Article No.: 22
DOI: 10.1145/1556134.1556139

The design and implementation of a client-centered multimedia content adaptation system suitable for a mobile environment comprising of resource-constrained handheld devices or clients is described. The primary contributions of this work are: (1)...

Design of multimedia surveillance systems
G. S. V. S. Sivaram, Mohan S. Kankanhalli, K. R. Ramakrishnan
Article No.: 23
DOI: 10.1145/1556134.1556140

This article addresses the problem of how to select the optimal combination of sensors and how to determine their optimal placement in a surveillance region in order to meet the given performance requirements at a minimal cost for a multimedia...

SEVA: Sensor-enhanced video annotation
Xiaotao Liu, Mark Corner, Prashant Shenoy
Article No.: 24
DOI: 10.1145/1556134.1556141

In this article, we study how a sensor-rich world can be exploited by digital recording devices such as cameras and camcorders to improve a user's ability to search through a large repository of image and video files. We design and implement a...

Multipath live streaming via TCP: Scheme, performance and benefits
Bing Wang, Wei Wei, Zheng Guo, Don Towsley
Article No.: 25
DOI: 10.1145/1556134.1556142

Motivated by the wide use of TCP for multimedia streaming in practice and the increasing availability of multipath between end hosts, we study multipath live streaming via TCP in this article. We first design a simple and practical TCP-based...

Playout buffer and rate optimization for streaming over IEEE 802.11 wireless networks
Mingzhe Li, Mark Claypool, Robert Kinicki
Article No.: 26
DOI: 10.1145/1556134.1556143

Most streaming rate selection and buffer optimization algorithms are developed for wired networks and can perform poorly over wireless networks. Wireless MAC layer behavior, such as rate adaptation, retransmissions, and medium sharing, can...