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  • 2012-2021
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  • Open Access Russian
    Authors: 
    V. M. Romanchak;
    Publisher: The United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    The paper considers a local wavelet transform with a singular basis wavelet. The problem of nonparametric approximation of a function is solved by the use of the sequence of local wavelet transforms. Traditionally believed that the wavelet should have an average equal t...

  • Open Access Russian
    Authors: 
    M. I. Vashkevich; A. A. Burak; N. S. Kanoika; V. S. Daldova;
    Publisher: The United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    The comparative study of two types of voice signal representation for larynx pathology detection is presented. Parameters obtained in clinical system lingWaves compared to parameters obtained by mel-frequency cepstral analysis. The classifier based on the probabilistic ...

  • Open Access
    Authors: 
    A. V. Sidorenko; M. S. Shishko;
    Publisher: United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    New hashing technique based on SHA-3 (Secure Hash Algorithm-3) is introduced. Chaotic maps are used in this technique to enhance performance without losing security. Introduced algorithm was tested for resistance against collisions, statistical analysis of output sequen...

  • Open Access Russian
    Authors: 
    D. I. Kachkou;
    Publisher: The United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    The article is an essay on the development of technologies for natural language processing, which formed the basis of BERT (Bidirectional Encoder Representations from Transformers), a language model from Google, showing high results on the whole class of problems associ...

  • Publication . Article . 2021
    Open Access
    Publisher: United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    Integral transformations on a finite interval with a singular basis wavelet are considered. Using a sequence of such transformations, the problem of nonparametric approximation of a function is solved. Traditionally, it is assumed that the validity condition must be met...

  • Open Access Russian
    Authors: 
    M. L. Radziukevich; V. F. Golikov;
    Publisher: The United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    The main options for the formation of a shared secret using synchronized artificial neural networks and possible patterns of behavior of a cryptanalyst are considered. To solve the problem of increasing the confidentiality of the generated shared secret, if it is used a...

  • Open Access Russian
    Authors: 
    K. I. Kostyuk; A. V. Branitski; V. V. Roubo; I. M. Nesterovich;
    Publisher: The United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    The positions of theRepublicofBelarusin the field of ICT, the levels of medical data store and collection, HL7 FHIR standard are considered. International standard HL7 FHIR for the exchange of medical data, designed to improve the interaction of independent medical info...

  • Open Access
    Authors: 
    A. Y. Kharin;
    Publisher: United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    In the problems of data flows analysis, the problems of statistical decision making on parameters of observed data flows are important. For their solution it is proposed to use sequential statistical decision rules. The rules are constructed for three models of observat...

  • Open Access Russian
    Authors: 
    Mei Liu;
    Publisher: The United Institute of Informatics Problems of the National Academy of Sciences of Belarus

    Multi-server retrial queueing system with heterogeneous servers is analyzed. Requests arrive to the system according to the Markovian arrival process. Arriving primary requests and requests retrying from orbit occupy an available server with the highest service rate, if...

  • Open Access Russian
    Authors: 
    Guschinsky, Nikolay; Battaïa, Olga; Dolgui, Alexandre;
    Publisher: The United Institute of Informatics Problems of the National Academy of Sciences of Belarus
    Country: France

    A problem of design of a flow line composed of stationary machines for sequential batch machining is considered. A MIP model for synthesis of manufacturing process structure is proposed. The model takes into account main technological and structural constraints with the...