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1,543 results on '"Dzemyda, Gintautas"'

1. Surgical Decision Making in a Successful Liver Allograft Survival: Problem State

Author

Gulla, Aiste, Jakiunaite, Ieva, Strupas, Kestutis, Juchneviciute, Ivona, Dzemyda, Gintautas, Kacprzyk, Janusz, Series Editor, Novikov, Dmitry A., Editorial Board Member, Shi, Peng, Editorial Board Member, Cao, Jinde, Editorial Board Member, Polycarpou, Marios, Editorial Board Member, Pedrycz, Witold, Editorial Board Member, Balas, Valentina Emilia, editor, Dzemyda, Gintautas, editor, and Belciug, Smaranda, editor

Published
2024
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2. Optimal Cut-Off Points for Pancreatic Cancer Detection Using Deep Learning Techniques

Author

Dzemyda, Gintautas, Kurasova, Olga, Medvedev, Viktor, Šubonienė, Aušra, Gulla, Aistė, Samuilis, Artūras, Jagminas, Džiugas, Strupas, Kȩstutis, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Rocha, Alvaro, editor, Adeli, Hojjat, editor, Dzemyda, Gintautas, editor, Moreira, Fernando, editor, and Colla, Valentina, editor

Published
2024
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6. Multi-Core Implementation of Geometric Multidimensional Scaling for Large-Scale Data

Author

Dzemyda, Gintautas, Medvedev, Viktor, Sabaliauskas, Martynas, Kacprzyk, Janusz, Series Editor, Gomide, Fernando, Advisory Editor, Kaynak, Okyay, Advisory Editor, Liu, Derong, Advisory Editor, Pedrycz, Witold, Advisory Editor, Polycarpou, Marios M., Advisory Editor, Rudas, Imre J., Advisory Editor, Wang, Jun, Advisory Editor, Rocha, Alvaro, editor, Adeli, Hojjat, editor, Dzemyda, Gintautas, editor, and Moreira, Fernando, editor

Published
2022
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7. Artificial Intelligence Based Strategy for Vessel Decision Support System

Author

Daranda, Andrius, Dzemyda, Gintautas, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Rocha, Álvaro, editor, Adeli, Hojjat, editor, Dzemyda, Gintautas, editor, Moreira, Fernando, editor, and Ramalho Correia, Ana Maria, editor

Published
2021
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8. New Capabilities of the Geometric Multidimensional Scaling

Author

Dzemyda, Gintautas, Sabaliauskas, Martynas, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Rocha, Álvaro, editor, Adeli, Hojjat, editor, Dzemyda, Gintautas, editor, Moreira, Fernando, editor, and Ramalho Correia, Ana Maria, editor

Published
2021
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13. Visual Analysis of Multidimensional Scaling Using GeoGebra

Author

Sabaliauskas, Martynas, Dzemyda, Gintautas, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, Dzitac, Ioan, editor, Dzitac, Simona, editor, Filip, Florin Gheorghe, editor, Manolescu, Misu-Jan, editor, and Oros, Horea, editor

Published
2021
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16. A Novel Geometric Approach to the Problem of Multidimensional Scaling

Author

Dzemyda, Gintautas, Sabaliauskas, Martynas, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Sergeyev, Yaroslav D., editor, and Kvasov, Dmitri E., editor

Published
2020
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17. Data Science and Advanced Digital Technologies

Author

Dzemyda, Gintautas, Barbosa, Simone Diniz Junqueira, Series Editor, Filipe, Joaquim, Series Editor, Kotenko, Igor, Series Editor, Sivalingam, Krishna M., Series Editor, Washio, Takashi, Series Editor, Yuan, Junsong, Series Editor, Zhou, Lizhu, Series Editor, Lupeikiene, Audrone, editor, Vasilecas, Olegas, editor, and Dzemyda, Gintautas, editor

Published
2018
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20. Preface to the Special Issue "State-of-the-Art Mathematical Applications in Europe".

Author

Cristea, Irina, Siarry, Patrick, Dzemyda, Gintautas, and Rogovchenko, Yuriy

Subjects
MATHEMATICAL models, DEGENERATE differential equations, MATHEMATICAL physics, C++, INITIAL value problems, APPLIED mathematics
Abstract

This document is a preface to a special issue of the journal Mathematics titled "State-of-the-Art Mathematical Applications in Europe." The special issue features twelve original research papers and one review paper from European researchers and their collaborators in various fields of mathematics. The papers cover topics such as mathematical physics, applied mathematics, algebra, navigation algorithms, decision-making models, Lagrange interpolation polynomials, and nonlinear fractional differential equations. The preface provides a brief overview of each paper and expresses gratitude to the authors and reviewers. The special issue has received significant interest and demonstrates the importance of open access research in applied mathematics. [Extracted from the article]

Published
2024
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21. Automatization of Eye Fundus Vessel Width Measurements

Author

Stabingis, Giedrius, Bernatavičienė, Jolita, Dzemyda, Gintautas, Paunksnis, Alvydas, Treigys, Povilas, Vaičaitienė, Ramutė, Stabingienė, Lijana, Tavares, João Manuel R.S., Series editor, Jorge, Renato Natal, Series editor, and Natal Jorge, R.M., editor

Published
2018
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29. Applications of Visualization

Author

Dzemyda, Gintautas, Kurasova, Olga, Žilinskas, Julius, Pardalos, Panos, Series editor, Dzemyda, Gintautas, Kurasova, Olga, and Žilinskas, Julius

Published
2013
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32. Speeding-up the Fitting of the Model Defining the Ribs-bounded Contour

Author

Bilinskas Mykolas J., Dzemyda Gintautas, and Sabaliauskas Martynas

Subjects
analytical models, computed tomography, least squares approximation, medical diagnostic imaging, Computer software, QA76.75-76.765
Abstract

The method for analysing transversal plane images from computer tomography scans is considered in the paper. This method allows not only approximating ribs-bounded contour but also evaluating patient rotation around the vertical axis during a scan. In this method, a mathematical model describing the ribs-bounded contour was created and the problem of approximation has been solved by finding the optimal parameters of the mathematical model using least-squares-type objective function. The local search has been per-formed using local descent by quasi-Newton methods. The benefits of analytical derivatives of the function are disclosed in the paper.

Published
2017
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36. Optimization of the Maximum Likelihood Estimator for Determining the Intrinsic Dimensionality of High–Dimensional Data

Author

Karbauskaitė Rasa and Dzemyda Gintautas

Subjects
multidimensional data, intrinsic dimensionality, maximum likelihood estimator, manifold learning methods, image understanding, Mathematics, QA1-939, Electronic computers. Computer science, QA75.5-76.95
Abstract

One of the problems in the analysis of the set of images of a moving object is to evaluate the degree of freedom of motion and the angle of rotation. Here the intrinsic dimensionality of multidimensional data, characterizing the set of images, can be used. Usually, the image may be represented by a high-dimensional point whose dimensionality depends on the number of pixels in the image. The knowledge of the intrinsic dimensionality of a data set is very useful information in exploratory data analysis, because it is possible to reduce the dimensionality of the data without losing much information. In this paper, the maximum likelihood estimator (MLE) of the intrinsic dimensionality is explored experimentally. In contrast to the previous works, the radius of a hypersphere, which covers neighbours of the analysed points, is fixed instead of the number of the nearest neighbours in the MLE. A way of choosing the radius in this method is proposed. We explore which metric—Euclidean or geodesic—must be evaluated in the MLE algorithm in order to get the true estimate of the intrinsic dimensionality. The MLE method is examined using a number of artificial and real (images) data sets.

Published
2015
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39. Large-Scale Multidimensional Data Visualization: A Web Service for Data Mining

Author

Dzemyda, Gintautas, Marcinkevičius, Virginijus, Medvedev, Viktor, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Abramowicz, Witold, editor, Llorente, Ignacio M., editor, Surridge, Mike, editor, Zisman, Andrea, editor, and Vayssière, Julien, editor

Published
2011
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40. Semi-Supervised Learning with Pseudo-Labeling for Pancreatic Cancer Detection on CT Scans.

Author

Kurasova, Olga, Medvedev, Viktor, Šubonienė, Aušra, Dzemyda, Gintautas, Gulla, Aistė, Samuilis, Artūras, Jagminas, Džiugas, and Strupas, Kęstutis

Subjects
PANCREATIC cancer diagnosis, MEDICAL screening, DEEP learning, CONVOLUTIONAL neural networks, COMPUTED tomography
Abstract

Deep learning techniques have recently gained increasing attention not only among computer science researchers but are also being applied in a wide range of fields. However, deep learning models demand huge amounts of data. Furthermore, fully supervised learning requires labeled data to solve classification, recognition, and segmentation problems. Data labeling and annotation in the medical domain are time-consuming and labor-intensive. Semi-supervised learning has demonstrated the ability to improve deep learning performance when labeled data is scarce. However, it is still an open and challenging question on how to leverage not only labeled data but also the huge amount of unlabeled data. In this paper, the problem of pancreatic cancer detection on CT scans is addressed by a semi-supervised learning approach based on pseudolabeling. Preliminary results are promising and show the potential of semi-supervised deep learning to detect pancreatic cancer at an early stage with a limited amount of labeled data. [ABSTRACT FROM AUTHOR]

Published
2023

41. Automated Positioning of Overlapping Eye Fundus Images

Author

Treigys, Povilas, Dzemyda, Gintautas, Barzdziukas, Valerijus, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Bubak, Marian, editor, van Albada, Geert Dick, editor, Dongarra, Jack, editor, and Sloot, Peter M. A., editor

Published
2008
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42. Large Datasets Visualization with Neural Network Using Clustered Training Data

Author

Ivanikovas, Sergėjus, Dzemyda, Gintautas, Medvedev, Viktor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Atzeni, Paolo, editor, Caplinskas, Albertas, editor, and Jaakkola, Hannu, editor

Published
2008
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44. Parameter System for Human Physiological Data Representation and Analysis

Author

Kurasova, Olga, Dzemyda, Gintautas, Vainoras, Alfonsas, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Rangan, C. Pandu, editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Martí, Joan, editor, Benedí, José Miguel, editor, Mendonça, Ana Maria, editor, and Serrat, Joan, editor

Published
2007
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45. Dimensionality Problem in the Visualization of Correlation-Based Data

Author

Dzemyda, Gintautas, Kurasova, Olga, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Rangan, C. Pandu, editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Beliczynski, Bartlomiej, editor, Dzielinski, Andrzej, editor, Iwanowski, Marcin, editor, and Ribeiro, Bernardete, editor

Published
2007
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46. Parallel Realizations of the SAMANN Algorithm

Author

Ivanikovas, Sergejus, Medvedev, Viktor, Dzemyda, Gintautas, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Rangan, C. Pandu, editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Beliczynski, Bartlomiej, editor, Dzielinski, Andrzej, editor, Iwanowski, Marcin, editor, and Ribeiro, Bernardete, editor

Published
2007
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48. Evolution of the Cultural-Based Paradigm for Informatics Education in Secondary Schools – Two Decades of Lithuanian Experience

Author

Dagienė, Valentina, Dzemyda, Gintautas, Sapagovas, Mifodijus, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, and Mittermeir, Roland T., editor

Published
2006
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49. Speed Up of the SAMANN Neural Network Retraining

Author

Medvedev, Viktor, Dzemyda, Gintautas, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Carbonell, Jaime G., editor, Siekmann, Jörg, editor, Rutkowski, Leszek, editor, Tadeusiewicz, Ryszard, editor, Zadeh, Lotfi A., editor, and Żurada, Jacek M., editor

Published
2006
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