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MM
2004
ACM
106views Multimedia» more  MM 2004»
16 years 1 months ago
SMARXO: towards secured multimedia applications by adopting RBAC, XML and object-relational database
In this paper, a framework named SMARXO is proposed to address the security issues in multimedia applications by adopting RBAC (Role-Based Access Control), XML, and ObjectRelation...
Shu-Ching Chen, Mei-Ling Shyu, Na Zhao
PDC
2004
ACM
16 years 1 months ago
The impact of participation in information system design: a comparison of contextual placements
To compare the outcomes of participatory and user-centered contextual design, case study methods and the Activity Checklist derived from Activity Theory are used to analyze two sy...
Magnus Irestig, Henrik Eriksson, Toomas Timpka
EMSOFT
2004
Springer
16 years 1 months ago
An approach for integrating basic retiming and software pipelining
Basic retiming is an algorithm originally developed for hardware optimization. Software pipelining is a technique proposed to increase instruction-level parallelism for parallel p...
Noureddine Chabini, Wayne Wolf
PCM
2004
Springer
112views Multimedia» more  PCM 2004»
16 years 1 months ago
A Study on the Quantization Scheme in H.264/AVC and Its Application to Rate Control
Compared with previous video coding standards, H.264/AVC employs a division-free quantization scheme. The relation between quantization parameter and quantization step changes from...
Siwei Ma, Wen Gao, Debin Zhao, Yan Lu
SAC
2003
ACM
16 years 28 days ago
Improving Image Retrieval Effectiveness in Query-by-Example Environment
Query-by-example is the most popular query model for today’s image retrieval systems. A typical query image contains not only relevant objects (e.g., Eiffel Tower), but also ir...
Khanh Vu, Kien A. Hua, Ning Jiang