Autor: Winiarczyk, R. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Noise effects in the quantum search algorithm from the viewpoint of computational complexity
Autorzy:: Gawron, P.
Klamka, J.
Winiarczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/331292.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: algorytm kwantowy
szum kwantowy
złożoność algorytmu
quantum algorithms
quantum noise
algorithm complexity
Opis:: We analyse the resilience of the quantum search algorithm in the presence of quantum noise modelled as trace preserving completely positive maps. We study the influence of noise on the computational complexity of the quantum search algorithm. We show that it is only for small amounts of noise that the quantum search algorithm is still more efficient than any classical algorithm.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2012, 22, 2; 493-499
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Computer registration system and fusion of multimodal images for orthodontic purposes
Autorzy:: Kadłubek, S.
Tomaka, A.
Winiarczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/333582.pdf
Data publikacji:: 2006
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: multimodalna rejestracja obrazu w procedurach ortodontycznych
multimodal images registration in orthodontic routines
Opis:: The paper presents aspects connected with development of a computer system for registration and fusion of multimodal images for orthodontic purposes. The idea of the system, of the multimodal image registration, lies in 3D surfaces registering, reconstructed from the sets of MRI or CT planar slices. The system enables the user to perform registration using different approaches based on localised landmarks, based on selected regions of 3D surfaces or based on automatic matching of the whole surfaces. The rigid-body transformation found during the registration is then used to transform the set of slices to generate images that can be fused. The usage of the system was illustrated and the accuracy of the registration was assessed.
Źródło:: Journal of Medical Informatics & Technologies; 2006, 10; 63-71
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Self-Replication Processes in Nanosystems of Informatics
Autorzy:: Węgrzyn, S.
Winiarczyk, R.
Znamirowski, L.
Powiązania:: https://bibliotekanauki.pl/articles/908088.pdf
Data publikacji:: 2003
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: informatyka
nanosystem of informatics
biological nanosystem of informatics
technical nanosystem of informatics
self-replication
Opis:: Recent research on the nanotechnological processes of molecular products and object synthesis as well as research on the nanosystems of informatics, stimulates the development of technical systems of informatics. Until now, they have been used mainly for computational tasks when, similarly to biological organisms, they allowed the development of self-replicating products and complete objects. One can focus here on the model of a circulation of materials, information and energy in a biological cell, and a model of the self-replication phenomenon. In the model of materials, information and energy circulation, we can distinguish a multi-phase process of creating products which are later used for object construction. The first phase is a translation process based on information from mRNA, while the next one consists of post-translational modifications based on environmental interactions. The self-replication model presented in this paper refers to a self-replication of a material object together with its internal software, which had determined the object creation. The presented models of materials, information and energy circulation in a biological cell together with models of the self-replication phenomenon can be a basis for the design and development of technical systems of informatics capable of creating self-replicating products and objects.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2003, 13, 4; 585-591
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Extending scientific computing system with structural quantum programming capabilities
Autorzy:: Gawron, P.
Klamka, J.
Miszczak, J.
Winiarczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/199942.pdf
Data publikacji:: 2010
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: quantum information
quantum programming
models of quantum computation
Opis:: We present the basic high-level structures used for developing quantum programming languages. The presented structures are commonly used in many existing quantum programming languages and we use quantum pseudo-code based on QCL quantum programming language to describe them. We also present the implementation of introduced structures in GNU Octave language for scientific computing. Procedures used in the implementation are available as a package quantum-octave providing library of functions, which facilitates the simulation of quantum computing. This package allows also to incorporate high-level programming concepts into the simulation in GNU Octave and Matlab. As such it connects features unique for higl-level quantum programming languages, with the full palette of efficient computational routines commonly available in modern scientific computing systems. To present the major features of the described package we provide the implementation of selected quantum algorithms. We also show how quantum errors can be taken into account during the simulation of quantum algorithms using quantum-octave package. This is possible thanks to the ability to operate on density matrices implemented in quantum-octave.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2010, 58, 1; 77-88
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Data stream processing in fetal monitoring system: I. algebra and query language
Autorzy:: Widera, M.
Jeżewski, J.
Winiarczyk, R.
Wróbel, J.
Horoba, K.
Gacek, A.
Powiązania:: https://bibliotekanauki.pl/articles/333189.pdf
Data publikacji:: 2003
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: język zapytań
przetwarzanie strumienia danych
system zarządzania bazami danych
monitorowanie płodu
query language
data stream processing
database management system
fetal monitoring
Opis:: The paper presents the algebra and declarative query language developed for fetal monitoring system MONAKO. At present, the system architecture is centralised. Recording, analyzing and visualization of data are carrying out in the central unit. Therefore, the system cannot scale in a simple manner. Presented solution enables to define query based on data streams that makes the updated answers currently available. Applying database management system that carries out its tasks based on presented assumptions enables the construction of monitoring system of distributed architecture
Źródło:: Journal of Medical Informatics & Technologies; 2003, 5; MI83-90
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Data stream processing in fetal monitoring system: II. Application to signal processing
Autorzy:: Jeżewski, J.
Widera, M.
Winiarczyk, R.
Matonia, A.
Kupka, T.
Gacek, A.
Powiązania:: https://bibliotekanauki.pl/articles/334015.pdf
Data publikacji:: 2003
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: język zapytań
przetwarzanie strumienia danych
system zarządzania bazami danych
monitorowanie płodu
query language
data stream processing
database management system
fetal monitoring
Opis:: Fetal monitoring system belongs to signal processing system class. The main functions of the system are signal acquisition from bedside monitors, on-line trace analysis and dynamic presentation of incoming data. Collected data set is controlled by centralised application. Relational database management system cannot process samples of high frequency biomedical signals on-line. Therefore, we decide to build our own data management system dedicated to stream processing that support continuous query. This paper describes a method of building a query plan based on proposed algebra. The presented example of application enables implementation of algorithm determining long- and short-term indices for fetal heart rate variability assessment on the basis of declarative query language. Our solution enables to define query based on data streams that make the updated answers currently available.
Źródło:: Journal of Medical Informatics & Technologies; 2003, 6; IT35-42
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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