«INFORMATICS AND APPLICATIONS»
Volume 3, Issue 1, 2009
Content | Bibliography | About Authors
Abstract and Keywords.
METHODS FOR INFORMATION MODEL BUILDING FOR THE EARTH TIDAL HEREDITARY IRREGULAR ROTATION.
- I.N. Sinitsyn IPI RAN. email@example.com
Abstract: Methods for information hereditary model building for the Earth tidal rotation fluctuations based on a priori and a
posteriori data are considered. Linear and quasi-linear methods are developed. Equivalence of different hereditary
disturbances is discussed. Experimental software is the part of the informational resources “Statistical dynamics of
the Earth rotation.”
Keywords: a priori and a posteriori data; informational model; informational resources; quasi-linear methods;
spectral-correlational characteristics; hereditary fluctuations of the Earth rotation; hereditary kernel
PARALLEL COMPUTING IN LARGE-SCALEMULTIMODAL BIOMETRIC SYSTEMS
- O. S. Ushmaev IPI RAN. oushmaev@ipiran
Abstract: The main topic is parallel computing in large-scale biometric identification systems. Approach of a biometric
cluster throughput estimation, a cluster configuration estimation is proposed. Methods of organization of parallel
computing for multimodal biometrics are developed.
Keywords: biometric identification; multimodal biometrics; parallel computing
DEVELOPMENT OF SUPERRESOLUTION-BASED FACE VIDEO ENHANCEMENT
- A. V. Nasonov M. V. Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics.
- A. S. Krylov M. V. Lomonosov Moscow State University, Faculty of Computational Mathematics and Cybernetics.
- O. S. Ushmaev IPI RAN. firstname.lastname@example.org
Abstract: General superresolution-based method of face image enhancement for video data has been suggested. The
superresolution is modeled as inverse problem to image downsampling, i.e., it finds an image that gives the minimal
value of the quadratic discrepancy with initial low-resolution images after the motion dependent downsampling.
High-quality superresolution method and fast superresolution methods are considered. Special deringing method
for fast superresolution is proposed. New multiscale motion estimation method has been developed.
Keywords: superresolution; deringing; facial video sequence; multiscale motion estimation; fast superresolution
RECONSTRUCTION OF PROBABILISTIC CHARACTERISTICS OF RANDOM FUNCTIONS IN SPECT
- V.G. Ushakov Department of Mathematical Statistics, Faculty of Computational Mathematics and Cybernetics,
M.V. Lomonosov Moscow State University; IPI RAN. email@example.com
- O. V. Shestakov Department of Mathematical Statistics, Faculty of Computational Mathematics and Cybernetics,
M.V. Lomonosov Moscow State University. firstname.lastname@example.org
Abstract: The problem of reconstruction of probabilistic characteristics of an object which structure changes in a random
manner during the process of projection data aquisition is considered. Within the frames of proposed tomography
experiment model, a method to reconstruct distributions of a random function from distributions of projections in
the case when random function has at most denumerable number of states is developed.
Keywords: single-photon emission computer tomography (SPECT); stochastic tomography; exponential Radon
transform; random functions; projection data
A DESIGN CONCEPT OF DOMESTIC INTEGRATED COMMUNICATIONMICROCONTROLLERS
FOR PACKET SWITCHING
- V.B. Egorov IPI RAN. email@example.com
Abstract: A concept of simplified integrated communication microcontrollers, which could be applied in various domestic
packet switching and routing devices, with leveraging their functionality and facilitating development is suggested.
Keywords: integrated communication microcontroller; PowerQUICC; decentralized switching; routing switch
ON NONSTATIONARY QUEUEING SYSTEMS WITH CATASTROPHES
- A. I. Zeifman1 Vologda State Pedagogical University; IPI RAN; VSCC CEMI RAN. firstname.lastname@example.org
- Ya.A. Satin Vologda State Pedagogical University. email@example.com
- A. V. Chegodaev Vologda State Pedagogical University. firstname.lastname@example.org
Abstract: Nonstationary birth and death processes with catastrophes are considered. The bounds of the rate of convergence
to the limit regime and the estimates of the limit probabilities are obtained. Also, the bounds for the mean of the
process are studied and a queueing example is considered.
Keywords: nonstationary queues; Markovian models with catastrophes; weak ergodicity; bounds; limiting
BAYESIAN QUEUING AND RELIABILITY MODELS: AN EXPONENTIAL-ERLANG CASE.
- A.A. Kudriavtsev Faculty of Computational Mathematics and Cybernetics,
M. V. Lomonosov Moscow State University. email@example.com
- S. Ya. Shorgin IPI RAN. firstname.lastname@example.org
Abstract: The investigation of Bayesian queuing and reliability models is continued in the paper. The method provides the
randomization of system characteristics with regard to a priori distributions of input parameters. This approach
could be used to calculate average values of performance and reliability characteristics for the large groups of systems
or devices. The new results are presented for a case of exponential and Erlang a priori distributions.
Keywords: Bayesian approach; queuing systems; reliability; mixed distributions; modeling; Erlang distribution;
ON ONE APPROACH TO IMAGE PRODUCTION WITHOUT SCREENS
- A. V. Torchigin IPI RAN. email@example.com
Abstract: Properties of images observed in an oscillating mirror, where LEDs modulated by brightness are reflected, are
considered. Possible areas of application of this approach are analyzed.
Keywords: image production; virtual environment; virtual reality; stereo images
CONVERGENCE RATE ESTIMATES OF DISTRIBUTIONS OF EXTREMA OF COMPOUND COX
PROCESSES WITH NONZERO MEANS TO LOCATIONMIXTURES OF NORMAL LAWS
- S. V. Artyukhov Faculty of Computational Mathematics and Cybernetics, M.V. Lomonosov Moscow State University. ArtyuhovSV@yandex.ru
Abstract: Mathematical models of catastrophically accumulating effects related to nonhomogeneous chaotic flows of
extremal events are considered, namely, extrema of compound doubly stochastic Poisson processes (compound
Cox processes) with nonzero expectation. Convergence rate estimates are obtained in limit theorems for extrema
of compound Cox processes. An example is given of existence of nontrivial limit of one-dimensional distributions
of extrema of such processes with infinite variance under normalization which is traditional for sums with finite
Keywords: extremum; compound doubly stochastic Poisson process; compound Cox process; location mixture of
normal laws; convergence rate estimates