Application analysis and communication aspects for future multimedia architectures

Peter H. N. de With; Egbert G. T. Jaspers; Stephan Mietens

doi:10.1117/12.564451

2 November 2004 Application analysis and communication aspects for future multimedia architectures

Peter H. N. de With, Egbert G. T. Jaspers, Stephan Mietens

Proceedings Volume 5558, Applications of Digital Image Processing XXVII; (2004) https://doi.org/10.1117/12.564451
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

A principal challenge for reducing the cost of complex systems-on-chip is to pursue more generic systems for a broad range of products. For this purpose, we explore three new architectural concepts for state-of-the-art video applications. First, we discuss a reusable scalable hardware architecture employing a hierarchical communication network fitting with the natural hierarchy of the application. In a case study, we show that MPEG streaming in DTV occurs at high level, while subsystems communicate at lower levels. The second concept is a software design that scales over a number of processors to enable reuse over a range of VLSI process technologies. We explore this via an H.264 decoder implementation that scales nearly linearly over up to eight processors by applying data partitioning. The third concept is resource-scalability, which is required to satisfy real-time constraints in a system with a high amount of shared resources. An example complexity-scalable MPEG-2 encoder scales the required cycle budget with a factor of three, in parallel with a smooth degradation of quality.

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Peter H. N. de With, Egbert G. T. Jaspers, and Stephan Mietens "Application analysis and communication aspects for future multimedia architectures", Proc. SPIE 5558, Applications of Digital Image Processing XXVII, (2 November 2004); https://doi.org/10.1117/12.564451

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KEYWORDS

Computer programming

Video

Digital signal processing

Multimedia

Motion estimation

Video processing

Data processing

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