Read e-book online Codesign for Real-Time Video Applications PDF

By Jörg Wilberg

ISBN-10: 1461377862

ISBN-13: 9781461377863

ISBN-10: 1461560810

ISBN-13: 9781461560814

Codesign for Real-Time Video Applications describes a latest layout method for embedded platforms. It combines the layout of undefined, software program, and algorithms. frequently, those layout domain names are taken care of individually to lessen the layout complexity. complex layout instruments help a codesign of different domain names which opens a chance for exploiting synergetic results.
The layout technique is illustrated via the layout of a video compression method. it truly is built-in into the video card of a computer. A VLIW processor structure is used because the foundation of the compression process and well known video compression algorithms (MPEG, JPEG, H.261) are analyzed. an entire top-down layout circulation is gifted and the layout instruments for every of the layout steps are defined.
The instruments are built-in into an HTML-based layout framework. The ensuing layout info should be without delay built-in into the WWW. this can be a the most important point for helping dispensed layout teams. The layout information will be at once documented an pass referencing in a virtually arbitrary manner is supported. this offers a platform for info sharing one of the varied layout domain names.
Codesign for Real-Time Video Applications specializes in the multi-disciplinary facets of embedded process layout. It combines layout automation and complex processor layout with an immense software area. A quantitative layout process is emphasised which focuses the layout time at the most vital elements. hence permitting a quick and price effective layout technique.
This booklet may be of curiosity to researchers, designers and bosses operating in embedded approach design.

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Extra resources for Codesign for Real-Time Video Applications

Sample text

In this case several instructions are processed in parallel. Sometimes a different terminology is used for the different types of instructionlevel parallelism, therefore, the definitions from [ 168] [ 103] [ 76] are recalled. These definitions will be used in the thesis (see Fig. 5. Different types of instruction level parallelism. IF (Instruction Fetch), 10 (Instruction Decode), EX (EXecute), WB (Write Back). • A scalar processor fetches one instruction per cycle, but overlaps the processing of several instructions within a RISC-like pipeline [ 76].

This achieves high performance while keeping the opcode sizes small. The effect of concentrating on the important functions can be illustrated by looking again at the small example. The improvement is quantified by the Performance-Cost Gain PCG for the most important functions Per /improwe PCG(nimportand where = ImprovementCosts Per Jimprove ImprovementCo8t8+Co8t;n;1 Per lin it costinit nimportant .

Structure of the embedded video compression system. The overall structure of the video compression system is shown in Fig. 4. , previous frames). The main components of the CP are: VLIW processor. The VLIW (very Long Instruction Word) processor performs the main compression and decompression tasks. The VLIW architecture has two major advantages. First of all, it supports a high degree of instruction-level parallelism. This allows to achieve high processing power DESIGN PROJECT: VIDEO COMPRESSION SYSTEM 25 for the video compression.

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Codesign for Real-Time Video Applications by Jörg Wilberg


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