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Wyszukujesz frazę "architecture definition" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Improving software systems by Flow Control Analysis
Autorzy:
Poznański, P.
Wawrowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/305292.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
software engineering
architecture definition
requirements management
testing
agile
systems modeling
Opis:
Using agile methods during the implementation of the system that meets mission critical requirements can be a real challenge. The change in the system built of dozens or even hundreds of specialized devices with embedded software requires the cooperation of a large group of engineers. This article presents a solution that supports parallel work of groups of system analysts and software developers. Deployment of formal rules to the requirements written in natural language enables using formal analysis of artifacts being a bridge between software and system requirements. Formalism and textual form of requirements allowed the automatic generation of message flow graph for the (sub) system, called the “big-picture-model”. Flow diagram analysis helped to avoid a large number of defects whose repair cost in extreme cases could undermine the legitimacy of agile methods in projects of this scale. Retrospectively, a reduction of technical debt was observed. Continuous analysis of the “big picture model” improves the control of the quality parameters of the software architecture. The article also tries to explain why the commercial platform based on UML modeling language may not be sufficient in projects of this complexity.
Źródło:
Computer Science; 2012, 13 (2); 81-92
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
FPGA-based dvcpro hd decoder implementation using impulse C
Autorzy:
Cichoń, S.
Gorgoń, M.
Powiązania:
https://bibliotekanauki.pl/articles/305808.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
high definition
video decoding
high level languages
pipelined architecture
intraframe
Opis:
High-level languages (HLL) for defining hardware implementation are important in both academic and commercial research. Impulse C could be an example of such language. This environment provides a programming model and library of functions for parallel applications, targeting FPGA-based platforms with the ability to partition the algorithm between software and hardware. This article’saim is to briefly describe DVCPRO HD, one of the intra-frame video-coding algorithms widely used in consumer equipment. DVCPRO HD is a DCT -based lossy video coding algorithm which uses variable-length coding (VLC) and runlength encoding (RLE) to achieve a 5:1 compression ratio. This paper presents DVCPRO HD video-coding-standard principles as well as decoder implementation working in real-time, compliant with the afore-mentioned standard and implemented in Impulse C. According to the authors’ knowledge, the presented solution is the first FPGA implementation of this coding standard which includes all three VLC stages of data re-arrangement. What is more, this is the first DVCPRO HD implementation which utilizes Impulse C.
Źródło:
Computer Science; 2013, 14 (4); 531-546
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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