Specification and verification of multimedia synchronization in duration calculus
Journal of Computer Science and Technology
Dynamic consistency checking for temporal and spatial relations in multimedia presentations
Proceedings of the 2006 ACM symposium on Applied computing
A policy-based conflict detection model for billing rules
AsiaCSN '07 Proceedings of the Fourth IASTED Asian Conference on Communication Systems and Networks
Designing consistent multimedia documents: the RT-LOTOS methodology
FORMATS'07 Proceedings of the 5th international conference on Formal modeling and analysis of timed systems
Visual software tools for multimedia authoring
Journal of Visual Languages and Computing
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Constraint-based design is often used to correctly author a multimedia scenario due to its flexibility and efficiency. However, such a system must provide a mechanism with which users can easily manipulate the underlying structures to meet the application requirements. This paper proposes a novel method for analyzing multimedia synchronization constraints based on the constraint graph and classification, which is essential in developing efficient system support tools for constraint-based authoring systems. We specify temporal and spatial relations between multimedia objects, and use a directed graph to represent the constraints among the objects in a multimedia scenario. Moreover, we develop a method for analyzing temporal and spatial synchronization constraints based on graph theory, solving the problems of completeness checking, consistency checking, constraints relaxation and automatic spatio-temporal layout generation in a unified theoretical framework. We also discuss the effects of user interactive authoring. Compared with other methods, the proposed approach is simpler, more efficient, and easier to implement.