Video Coding for Mobile Communications

Motivated by the vision of being able to communicate from anywhere at any
time with any type of information, a natural convergence of mobile and multimedia is under way. This new area, called mobile multimedia communications, is expected to achieve unprecedented growth and worldwide commercial success.
Current second-generation mobile communication systems support a number of basic multimedia communication services. However, many technologically demanding problems need to be solved before real-time mobile video communications can be achieved. When such challenges are resolved, a wealth of advanced services and applications will be available to the mobile user. This book concentrates on three main challenges:
1. Higher coding e"ciency
2. Reduced computational complexity
3. Improved error resilience
Mobile video communications is an interdisciplinary subject. Complete systems are likely to draw together solutions from di(erent areas, such as video source coding, channel coding, network design, and semiconductor design, among others. This book concentrates on solutions based on video source coding. In this context, the book adopts a motion-based approach, where advanced motion estimation techniques, reduced-complexity motion estimation techniques, and motion-compensated error concealment techniques are used as possible solutions to the three challenges, respectively.

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