Analysis of the Effectiveness of Heterogeneous Video Information Systems on the Basis of the Dominance Criterion
https://doi.org/10.32603/1993-8985-2018-21-3-57-62
Abstract
The approaches to the evaluation of the efficiency of the functioning of heterogeneous video information systems are considered. It is shown that the hierarchy model as a quantitative description of the structural and functional organization can serve as a means of analyzing information flows and system efficiency in terms of graph theory. The criterion of dominance for the evaluation of the efficiency of heterogeneous video information systems is analytically presented. It is shown that in the loaded graph of a heterogeneous system the weights of individual nodes represent the efficiency of this node, and with its increase the degree of influence (dominance) of this node on the remaining nodes of the system and on the system as a whole grows, and conversely, with a decrease in the weight of the node it rises its dependence on other nodes. The influence of the length of interstitial paths on the efficiency of the system is taken into account, taking into account the partial loss of information during its propagation through the graph. Numerical calculations of the efficiency of systems based on the dominance criterion are given, the results of which confirm the indicated theoretical positions.
About the Authors
N. V. Lysenko
Saint Petersburg Electrotechnical University "LETI" .
Russian Federation
Russian Federation
Nikolay V. Lysenko – D.Sc. in Engineering (2002), Professor (2003), Chief of the Department of Television and Video equipment . The author of more than 150 scientific publications. Area of expertise: heterogeneous video information systems for information transmission and processing; television networks and systems; influence of technical characteristics of virtual reality systems on the efficiency of operators; modeling of video information systems based on graph theory.
5, Professor Popov Str., 197376, St. Petersburg.
A. M. Monchak
Saint Petersburg Electrotechnical University "LETI" .
Russian Federation
Russian Federation
Alexander M. Monchak – Ph.D. in Engineering (1981), Associate Professor (2004) of the Department of Television and Video equipment. The author of 21 scientific publications. Area of expertise: heterogeneous video information systems for information transmission and processing; television networks and systems.
5, Professor Popov Str., 197376, St. Petersburg.
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Review
For citations:
Lysenko N.V., Monchak A.M. Analysis of the Effectiveness of Heterogeneous Video Information Systems on the Basis of the Dominance Criterion. Journal of the Russian Universities. Radioelectronics. 2018;(3):57-62. (In Russ.) https://doi.org/10.32603/1993-8985-2018-21-3-57-62
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