Temat: sztuczne - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Website control system of the human body insulin level
Autorzy:: Doniec, R.
Doniec, K.
Doniec-Wolnik, J.
Goworek, K.
Powiązania:: https://bibliotekanauki.pl/articles/333493.pdf
Data publikacji:: 2008
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: stężenie glukozy
telemedycyna
sztuczne organy
glucose concentration
telemedicine
artificial organs
Opis:: The following research characterizes the system for remote data collection of blood glucose concentration. Based on the data an algorithm was introduced in order to determine the infusion of insulin. This paper presents a glucose measurement method using the test strips, instructions for collecting the source data, as well as the process of adjusting the insulin dosage.
Źródło:: Journal of Medical Informatics & Technologies; 2008, 12; 103-108
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The remote control system of the insulin level
Autorzy:: Doniec, R.
Powiązania:: https://bibliotekanauki.pl/articles/333616.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: stężenie glukozy
telemedycyna
sztuczne organy
glucose concentration
telemedicine
artificial organs
Opis:: The following research characterises the system for remote data collection of blood glucose concentration. Based on the data an algorithm was introduced in order to determine the infusion of insulin. This paper presents a glucose measurement method using the test strips, instructions for collecting the source data, as well as the process of adjusting the insulin dosage.
Źródło:: Journal of Medical Informatics & Technologies; 2010, 15; 201-208
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Gender recognition using neural networks and ASR techniques
Autorzy:: Sas, J.
Sas, A.
Powiązania:: https://bibliotekanauki.pl/articles/333972.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: artificial neural networks
speech recognition
gender recognition
sztuczne sieci neuronowe
rozpoznawanie mowy
rozpoznawanie płci
Opis:: The paper presents the simple technique of speaker gender recognition that uses MFCC features typically applied in automatic speech recognition. Artificial neural network is used as a classifier. The speech signal is first divided into 20 ms frames. For each frame, Mel-Frequency Cepstral Coefficients are extracted and the created feature vector is provided into a neural network classifier, which individually classifies each frame as male or female sample. Finally, the whole utterance is classified by selecting the class, for which the sum of corresponding neural network outputs is greater. The advantage of the method is that it can be easily combined with speech recognition, because both processes (gender recognition and speech recognition) are based on the same features. This way, no additional logic and no extra computational power is needed to extract features necessary for gender recognition. The method was experimentally evaluated using speech samples in English and in Polish. The comparison with other methods described in literature based on other feature extraction methods shows the superiority of the proposed approach, especially in cases where the recognition is carried out in noisy environment or using poor audio equipment.
Źródło:: Journal of Medical Informatics & Technologies; 2013, 22; 179-187
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Measurements of blood saturation inside a ventricular assist device
Autorzy:: Mocha, J.
Czerw, M.
Sobotnicki, A.
Powiązania:: https://bibliotekanauki.pl/articles/333266.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: sztuczne serce
urządzenia wspomagające pracę komór
oksymetr tętna
artificial heart
ventricular assist device (VAD)
pulse oximeter
Opis:: Information about the level how well arterial blood is saturated with oxygen, i.e. the overall patient saturation, in particular a patient with a ventricular assist device (VAD) inoculated, is very important for efficient and dependable course of blood circulation support. The paper presents the method for measurement of blood saturation with oxygen that is carried out with use of a commercially available pulse oximetric sensor upon necessary modifications and installed directly on a outflow connector of the VAD. Operability of the presented solution has been verified by experiments on a flow control test bench with use of animal blood. The final validation of the measuring circuit was carried out during experiments with an animal. The completed experiments demonstrated that both the blood saturation with oxygen as well as artificial pulse rate can be measured with accuracy. Unfortunately, similar measurements for venous blood proved infeasible.
Źródło:: Journal of Medical Informatics & Technologies; 2012, 19; 93-99
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Evaluation of volumetric parameters of the ventricular assist device using bioimpedance method
Autorzy:: Sobotnicki, A.
Pałko, T.
Mocha, J.
Czerw, M.
Powiązania:: https://bibliotekanauki.pl/articles/333273.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: sztuczne serce
urządzenia wspomagające pracę komór
metoda bioimpedancji
artificial heart
ventricular assist device (VAD)
stroke volume estimation
bioimpedance method
Opis:: Volumetric parameters of operation of the pulsatile ventricular assist device (VAD) are the key clinical indicators for the evaluation of adequacy of the process of mechanical heart assistance and ensuring the patient's safety. The bioimpedance method has been proposed to evaluate blood volume changes of the VAD. The method is based on volume electric conductivity of the blood. A change in VAD volume involves changes in impedance. Periodic changes in VAD volume during its operation result in a pulsatile impedance wave; its amplitude in the subperiod of filling and ejection correlates with the volume of blood in the VAD. The paper presents the way of acquisition of the bioimpedance signal. It also presents the results of experimental studies, that were carried out with the use of the flow test stand, and an approach to analysing the bioimpedance signal to evaluate the stroke volume.
Źródło:: Journal of Medical Informatics & Technologies; 2012, 19; 117-123
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Using artificial immune and case-based reasoning methods in classification of treatment effectiveness
Autorzy:: Badura, D.
Ferdynus, D.
Powiązania:: https://bibliotekanauki.pl/articles/333874.pdf
Data publikacji:: 2007
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: wnioskowanie bazujące na przykładach
sztuczne systemy immunologiczne
sieci neuronowe rozmyte
case-based reasoning
artificial immune system
fuzzy neural nets
Opis:: The article concerns the analysis of classification of medical data by use of selected method of artificial intelligence: case-based reasoning. The subject of the research is the assessment of effective treatment, being one of the most important medical problems. The basis work of the assessment system should be one of the classification methods. The aim of the attempted research is to study which of the enumerated method will be able to group data containing incomplete information in the best way. The classified data are descended from the patients with nephroblastoma and patients with backbone pain. The final aim of the research is to work out the functioning method of the learning system, assisting the doctor with making a decision during working out on patient's treatment therapy, and making analyses of the treatment effectiveness. On the basis of the medical tests, the system will classify the data assigning them to the appropriate therapy groups. Moreover, in the system will be used artificial immunology as the method of generalizing or extrapolating of the gathering and considering so far cases.
Źródło:: Journal of Medical Informatics & Technologies; 2007, 11; 221-226
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: ANN as justified granular computing mechanism for medical data classification
Autorzy:: Bernas, M.
Powiązania:: https://bibliotekanauki.pl/articles/333728.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: artificial neural network
granular computing
data fusion
medical data analysis
sztuczne sieci neuronowe
obliczenia ziarniste
fuzja danych
analiza danych medycznych
Opis:: The medical data and its classification have to be treated in particular way. The data should not be modified or altered, because this could lead to false decisions. Most state-of-the-art classifiers are using random factors to produce higher overall accuracy of diagnosis, however the stability of classification can vary significantly. Medical support systems should be trustworthy and reliable, therefore this paper proposes fusion of multiple classifiers based on artificial Neural Network (ANN). The structure selection of ANN is performed using granular paradigm, where granulation level is defined by ANN complexity. The classification results are merged using voting procedure. Accuracy of the proposed solution was compared with state-of-the-art classifiers using real medical data coming from two medical datasets. Finally, some remarks and further research directions have been discussed.
Źródło:: Journal of Medical Informatics & Technologies; 2015, 24; 85-90
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Measurements of blood pressure inside a ventricular assist device
Autorzy:: Mocha, J.
Sobotnicki, A.
Czerw, M.
Powiązania:: https://bibliotekanauki.pl/articles/333309.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: sztuczne serce
urządzenia wspomagające pracę komór
pomiar ciśnienia krwi
rozdzielone czujniki ciśnienia
artificial heart
ventricular assist device (VAD)
blood pressure measurement
separated pressure sensors
Opis:: Information about blood pressure at the inflow and outflow connectors as well as inside a Ventricular Assist Device (VAD) supplemented with information about pressures inside the pneumatic part enables to adjust operational parameters of the VAD in the optimum manner. Practical implementation of a method that makes it possible to measure blood pressure at plurality of points is a really sophisticated task in terms of technical and technological issues. On one hand it is mandatory to assure appropriate metrological properties of the entire measurement path, on the other hand the measuring transducers must be reliably separated from blood. Internal surfaces of these VAD parts that come in direct contact with blood must be smooth and uniform; it is extremely essential due to a risk of blood coagulation on any unevenness of surfaces. The paper presets the solution for measurements of blood pressure inside the VAD, where the suggested solution meets the assumed metrological criteria as well as very stringent safety requirements.
Źródło:: Journal of Medical Informatics & Technologies; 2011, 17; 287-293
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Determination of stroke volume of the ventricular assist device using bioimpedance method
Autorzy:: Sobotnicki, A.
Gacek, A.
Pałko, T.
Mocha, J.
Badura, G.
Czerw, M.
Powiązania:: https://bibliotekanauki.pl/articles/332979.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: artificial heart
ventricular assist device
VAD
stroke volume
bioimpedance method
impedance cardiography
ICG
sztuczne serce
urządzenie wspomagające pracę komór serca
metoda bioimpedancji
kardiografia impedancyjna
Opis:: The stroke volume of pulsatile ventricular assist device (VAD) is one of the key clinical indicators to evaluate the adequacy of the process of mechanical heart assistance and ensuring the patient’s safety. In order to evaluate the volume changes in VAD blood chamber, a bioimpedance method was applied, based on volumetric electric conductivity of the blood. Periodic changes in VAD volume during its operation result in a pulsatile impedance waveform; its amplitude in the subperiods of filling and ejection correlates with blood volume in the chamber. The paper presents the method of analysis of the bioimpedance signal recorded in VAD blood chamber with a reference to the classical method of analysing the cardioimpedance signal from the patient’s thorax. The paper also presents the results of determining stroke volume of blood chamber based on an empirical formula that has been developed.
Źródło:: Journal of Medical Informatics & Technologies; 2013, 22; 235-241
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: QRS complexes detector for synchronization of ventricular assist device
Autorzy:: Mocha, J.
Sobotnicki, A.
Czerw, M.
Gibiński, P.
Powiązania:: https://bibliotekanauki.pl/articles/332941.pdf
Data publikacji:: 2010
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: czujnik zespołu QRS
analogowe macierze programowalne
sztuczne serce
urządzenie wspomagające czynność komór serca
detector of the QRS complexes
field programmable analog array (FPAA)
artificial heart (ventricular assist device - VAD)
Opis:: Synchronization of operation of an artificial chamber supporting the sick heart of a patient has a crucial meaning for the effectiveness of support. To make the synchronized operation possible, the information on patient's heart activity should be fed to a controller of the supporting chamber. To this end, the QRS complex detector operating on ECG signal is necessary. The signal must be acquired from a patient's heart. Appropriate signal quality at long-term support may be assured only in a case the signal is acquired with epicardial electrodes. In the paper, the concept of hardware construction of a QRS complex detector has been presented, based on a field programmable analog array FPAA. The results of verification of the developed detector include the correct operation while using the epicardial signals recorded from patients which undergone the cardiosurgical operations.
Źródło:: Journal of Medical Informatics & Technologies; 2010, 16; 35-41
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Nonparametric methods of supervised classification
Autorzy:: Jóźwik, A.
Powiązania:: https://bibliotekanauki.pl/articles/333226.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: pattern recognition
feature selection
k-NN rules
pair-wise classifier
artificial features
linear classifier
reference set size reduction
rozpoznawanie wzorca
wybór funkcji
reguła k-NN
sztuczne cechy
klasyfikator liniowy
Opis:: Selected nonparametric methods of statistical pattern recognition are described. A part of them form modifications of the well known k-NN rule. To this group of the presented methods belong: a fuzzy k-NN rule, a pair-wise k-NN rule and a corrected k-NN rule. They can improve classification quality as compared with the standard k-NN rule. For the cases when these modifications would offer to large error rates an approach based on class areas determination is proposed. The idea of class areas can be also used for construction of the multistage classifier. A separate feature selection can be performed in each stage. The modifications of the k-NN rule and the methods based on determination class areas can be too slow in some applications, therefore algorithms for reference set reduction and condensation, for simple NN rule, are proposed. To construct fast classifiers it is worth to consider also a pair-wise linear classifiers. The presented idea can be used as in the case when the class pairs are linearly separable as well as in the contrary case.
Źródło:: Journal of Medical Informatics & Technologies; 2013, 22; 21-32
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Biometrical identification on the ground of the eye movement, executed by means of the artificial neural network
Autorzy:: Brzeski, R.
Ober, J.
Powiązania:: https://bibliotekanauki.pl/articles/333701.pdf
Data publikacji:: 2004
Wydawca:: Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
Tematy:: sztuczne sieci neuronowe
identyfikacja biometrii
stymulacja wzrokowa
system pomiarowy Ober2
rozpoznanie
warstwa
komórka nerwowa
ruch gałki ocznej
artificial neural network
ANN
biometrics identification
visual stimulation
Ober2
teaching vectors
recognition
layer
neurone
eye movement
Opis:: In this article was written attempt to use the eye movement to biometrics identification. There are few words about theory of biometrics identification. After that there is described the way of recording of data. It is made by system ‚Ober2’. To process collected data the algorithms of artificial neural network are used. For this need, dedicated application was written. Functionality of the application, in article was described, as well as the examples - results of working of the artificial neural networks, for chosen criterions of researches. The plans for future researches were placed at the end of the article.
Źródło:: Journal of Medical Informatics & Technologies; 2004, 7; KB47-54
1642-6037
Pojawia się w:: Journal of Medical Informatics & Technologies
Dostawca treści:: Biblioteka Nauki

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