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141 results on '"Obuchowicz, Rafał"'

1. Constructing a Panoramic Radiograph Image Based on Magnetic Resonance Imaging Data

Author

Cenda, Piotr, Cieślak, Adam, Pociask, Elżbieta, Obuchowicz, Rafał, Piórkowski, Adam, 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, Strumiłło, Paweł, editor, Klepaczko, Artur, editor, Strzelecki, Michał, editor, and Bociąga, Dorota, editor

Published
2024
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3. CompLung: Comprehensive Computer-Aided Diagnosis of Lung Cancer

Author

Pardyl, Adam, primary, Rymarczyk, Dawid, additional, Jaworek-Korjakowska, Joanna, additional, Kucharski, Dariusz, additional, Brodzicki, Andrzej, additional, Lasek, Julia, additional, Schneider, Zofia, additional, Kucybała, Iwona, additional, Urbanik, Andrzej, additional, Obuchowicz, Rafał, additional, Tabor, Zbisław, additional, and Zieliński, Bartosz, additional

Published
2023
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4. Coregistration of Selected Sequences in MRI Imaging Based on Edge Analysis of Image Difference

Author

Najda, Mikołaj, Obuchowicz, Rafał, Piórkowski, Adam, 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, Burduk, Robert, editor, Choraś, Michał, editor, Kozik, Rafał, editor, Ksieniewicz, Paweł, editor, Marciniak, Tomasz, editor, and Trajdos, Paweł, editor

Published
2023
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8. Construction of a Cephalometric Image Based on Magnetic Resonance Imaging Data

Author

Cenda, Piotr, Obuchowicz, Rafał, Piórkowski, Adam, 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, Pietka, Ewa, editor, Badura, Pawel, editor, Kawa, Jacek, editor, and Wieclawek, Wojciech, editor

Published
2022
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9. Comparison of Interpolation Methods for MRI Images Acquired with Different Matrix Sizes

Author

Cieślak, Adam, Piórkowski, Adam, Obuchowicz, Rafał, 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, Pietka, Ewa, editor, Badura, Pawel, editor, Kawa, Jacek, editor, and Wieclawek, Wojciech, editor

Published
2022
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10. The Stability of Textural Analysis Parameters in Relation to the Method of Marking Regions of Interest

Author

Leśniak, Artur, Piórkowski, Adam, Kamiński, Paweł, Król, Małgorzata, Obuchowicz, Rafał, Pociask, Elżbieta, 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, Piaseczna, Natalia, editor, Gorczowska, Magdalena, editor, and Łach, Agnieszka, editor

Published
2022
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11. A Preliminary Approach to Plaque Detection in MRI Brain Images

Author

Milewska, Karolina, Obuchowicz, Rafał, Piórkowski, Adam, 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, Piaseczna, Natalia, editor, Gorczowska, Magdalena, editor, and Łach, Agnieszka, editor

Published
2022
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12. Comparison of the Effects of Different Preprocessing Methods on Homogeneity Assessment of Digital Intraoral Radiographs of Root Canal Fillings

Author

Łebska, Jagoda, Obuchowicz, Barbara, Obuchowicz, Rafał, Piórkowski, Adam, 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, Choraś, Michal, editor, Choraś, Ryszard S., editor, Kurzyński, Marek, editor, Trajdos, Paweł, editor, Pejaś, Jerzy, editor, and Hyla, Tomasz, editor

Published
2022
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15. Effect of Adaptive Histogram Equalization of Orthopedic Radiograph Images on the Accuracy of Implant Delineation Using Active Contours

Author

Smolikowska, Alicja, Kamiński, Paweł, Obuchowicz, Rafał, Piórkowski, Adam, 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, and Arai, Kohei, editor

Published
2021
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16. The Influence of Age on Morphometric and Textural Vertebrae Features in Lateral Cervical Spine Radiographs

Author

Mazur, Patrycja, Obuchowicz, Rafał, Piórkowski, Adam, 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, Pietka, Ewa, editor, Badura, Pawel, editor, Kawa, Jacek, editor, and Wieclawek, Wojciech, editor

Published
2021
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19. Evaluation of the MRI Images Matching Using Normalized Mutual Information Method and Preprocessing Techniques

Author

Bzowski, Paweł, Borys, Damian, Guz, Wiesław, Obuchowicz, Rafał, Piórkowski, Adam, 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, Choraś, Michał, editor, and Choraś, Ryszard S., editor

Published
2020
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20. Universal Measure for Medical Image Quality Evaluation Based on Gradient Approach

Author

Bielecka, Marzena, Bielecki, Andrzej, Obuchowicz, Rafał, Piórkowski, Adam, 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, Krzhizhanovskaya, Valeria V., editor, Závodszky, Gábor, editor, Lees, Michael H., editor, Dongarra, Jack J., editor, Sloot, Peter M. A., editor, Brissos, Sérgio, editor, and Teixeira, João, editor

Published
2020
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25. Image-Based Method for Knee Ligament Injuries Detection

Author

Kohut, Piotr, Obuchowicz, Rafał, 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, Świder, Jerzy, editor, Kciuk, Sławomir, editor, and Trojnacki, Maciej, editor

Published
2019
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29. Shear Wave Elastography and Strain Elastography: a Study on a Phantom

Author

Pyciński, Bartłomiej, Juszczyk, Jan, Obuchowicz, Rafał, 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, Gzik, Marek, editor, Tkacz, Ewaryst, editor, Paszenda, Zbigniew, editor, and Piętka, Ewa, editor

Published
2018
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30. Automatical Syndesmophyte Contour Extraction from Lateral C Spine Radiographs

Author

Nurzynska, Karolina, Piórkowski, Adam, Bielecka, Marzena, Obuchowicz, Rafal, Taton, Grzegorz, Sulicka, Joanna, Korkosz, Mariusz, 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, Augustyniak, Piotr, editor, Maniewski, Roman, editor, and Tadeusiewicz, Ryszard, editor

Published
2018
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31. The Shape Language Application to Evaluation of the Vertebra Syndesmophytes Development Progress

Author

Bielecka, Marzena, Obuchowicz, Rafał, Korkosz, Mariusz, 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, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Rutkowski, Leszek, editor, Scherer, Rafał, editor, Korytkowski, Marcin, editor, Pedrycz, Witold, editor, Tadeusiewicz, Ryszard, editor, and Zurada, Jacek M., editor

Published
2018
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32. Lytic Region Recognition in Hip Radiograms by Means of Statistical Dominance Transform

Author

Kociołek, Marcin, Piórkowski, Adam, Obuchowicz, Rafał, Kamiński, Paweł, Strzelecki, Michał, 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, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Chmielewski, Leszek J., editor, Kozera, Ryszard, editor, Orłowski, Arkadiusz, editor, Wojciechowski, Konrad, editor, Bruckstein, Alfred M., editor, and Petkov, Nicolai, editor

Published
2018
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33. USE OF WIND ENERGY OF THE GROUND ZONE IN LOW INDIVIDUAL BUILDINGS.

Author

Obuchowicz, Rafał

Subjects
WIND power, ENERGY consumption of buildings, TURBULENT flow, HOME energy use, INSTALLATION of equipment
Abstract

Copyright of Space & Form / Przestrzeń i FORMA is the property of West Pomeranian University of Technology, Department of Architecture & Urban Planning and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Published
2024
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38. Deep learning algorithm for differentiating patients with a healthy liver from patients with liver lesions based on MR images

Author

Skwirczyński, Maciej, Tabor, Zbisław, Lasek, Julia, Schneider, Zofia, Gibała, Sebastian, Kucybała, Iwona, Urbanik, Andrzej, and Obuchowicz, Rafał

Subjects
focal nodular hyperplasia, focal lesions, magnetic resonance imaging (MRI), classification, deep learning, adenoma, hepatocellular carcinoma, liver tumor segmentation
Abstract

The problems in diagnosing the state of a vital organ such as the liver are complex and remain unresolved. These problems are underscored by frequently published studies on this issue. At the same time, demand for imaging diagnostics, preferably using a method that can detect the disease at the earliest possible stage, is constantly increasing. In this paper, we present liver diseases in the context of diagnosis, diagnostic problems, and possible elimination. We discuss the dataset and methods and present the stages of the pipeline we developed, leading to multiclass segmentation of the liver in multiparametric MR image into lesions and normal tissue. Finally, based on the processing results, each case is classified as either a healthy liver or a liver with lesions. For the training set, the AUC ROC is 0.925 (standard error 0.013 and a p-value less than 0.001), and for the test set, the AUC ROC is 0.852 (standard error 0.039 and a p-value less than 0.001). Further refinements to the proposed pipeline are also discussed. The proposed approach could be used in the detection of focal lesions in the liver and the description of liver tumors. Practical application of the developed multi-class segmentation method represents a key step toward standardizing the medical evaluation of focal lesions in the liver.

Published
2023

42. Correlation of Bone Textural Parameters with Age in the Context of Orthopedic X-ray Studies.

Author

Kamiński, Paweł, Obuchowicz, Rafał, Stępień, Aleksandra, Lasek, Julia, Pociask, Elżbieta, and Piórkowski, Adam

Subjects
FEMUR neck, X-rays, IMAGE analysis, X-ray imaging, FEMUR, AGE
Abstract

The aim of this study was to establish a relationship between the textural parameters observed in X-ray images of bones and the age of the individual. The study utilized a meticulous visual analysis of the images to identify significant correlations between textural features and age. Five distinct regions of interest, namely the Wing of the Ilium, Neck of the Femur, Greater Trochanter, Ischium, and Shaft of the Femur, were identified on both sides of the body. Textural parameters were then measured for each of these regions. The left femoral neck showed the most noteworthy associations, with the textures generated from the histogram of oriented gradients and gray-level co-occurrence matrix exhibiting the strongest correlations (ρ −0.52, p-value 4.95 × 10−14). The main finding of the current study is that correlation of age-dependent bone structure differences in the femoral neck area is higher than in other structures of the femur. This proposed methodology has the potential to aid in the early detection of osteoporosis, which is crucial for devising treatment plans and identifying potential risks associated with bone fragility. [ABSTRACT FROM AUTHOR]

Published
2023
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49. Novel technique for growth plate analysis based on the superposition of T$_{1}$- and T$_{2}$-weighted MR imaging of adolescent wrists

Author

Obuchowicz, Rafał, Urbanik, Andrzej, and Piórkowski, Adam

Subjects
bone age, magnetic resonance, Male, children, Adolescent, statistical dominance algorithm, Technical Note, Humans, Growth Plate, Wrist, Magnetic Resonance Imaging
Abstract

In this article, a new method of information extraction on the basis of the differentiation of T1- and T2-weighted MR images is proposed. It relies on a technique of superposition of T1- and T2-weighted MR images with use of statistical dominance algorithm. On the basis of implemented image analysis, a reproducible extraction of growth zone of adolescent boys’ wrists is possible.

Published
2020

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