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A new quaternion-based encryption method for DICOM images
PublicationIn this paper, a new quaternion-based lossless encryption technique for digital image and communication on medicine (DICOM) images is proposed. We have scrutinized and slightly modified the concept of the DICOM network to point out the best location for the proposed encryption scheme, which significantly improves speed of DICOM images encryption in comparison with those originally embedded into DICOM advanced encryption standard...
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Amplifying the Randomness of Weak Sources Correlated With Devices
PublicationThe problem of device-independent randomness amplification against no-signaling adversaries has so far been studied under the assumption that the weak source of randomness is uncorrelated with the (quantum) devices used in the amplification procedure. In this paper, we relax this assumption, and reconsider the original protocol of Colbeck and Renner using a Santha-Vazirani (SV) source. To do so, we introduce an SV-like condition...
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Finding the Right Solvent: A Novel Screening Protocol for Identifying Environmentally Friendly and Cost-Effective Options for Benzenesulfonamide
PublicationThis study investigated the solubility of benzenesulfonamide (BSA) as a model compound using experimental and computational methods. New experimental solubility data were collected in the solvents DMSO, DMF, 4FM, and their binary mixtures with water. The predictive model was constructed based on the best-performing regression models trained on available experimental data, and their hyperparameters were optimized using a newly...
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Justyna Kucińska-Lipka dr hab. inż.
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Barbara Becker prof. dr hab. inż.
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Digital document life cycle development. W: [CD-ROM] Materiały i prezentac-je. Komputeryzacja archiwów polskich muzeów - miejsc pamięci. Konferencja Sztutowo/Kąty Rybackie, 23-24.10.2003. Sztutowo: Państ. Muzeum Stutthof** 2003, 7 s. [14 slajdów] Project IST-2001-33441-MEMORIAL. 5 Program Ramowy UE. Cykliczne życie dokumentu cyfrowego.
PublicationW referacie przedstawiono założenia i cele projektu MEMORIAL UE, jego zada-nia robocze i przebieg prac na jego półmetku. Zaprezentowano w działaniu narzędzie wchodzące w skład pakietu DDW, stanowiące główny produkt realizowane-go projektu.
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1 - E-TECH: Online education in practice for teachers. Foundations
e-Learning CoursesThis module has been designed to help teachers to get the very best out of online learning education. We've created it to support many aspects of your learning online. The aim is to provide skills to create and engage with your teaching materials online. After completion the course you can download your Certifacte.
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Surowce mineralne 2022
e-Learning CoursesWykład i seminaria Surowce Mineralne dla studentów Ist kierunek Chemia sem VI Treści programowe dostępne w Karcie Przedmiotu Prowadzący: Anna Lisowska-Oleksiak Jarosław Chojnacki
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Joanna Mioduska dr inż.
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Marta Dorota Kowalkińska mgr inż.
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Dariusz Mikielewicz prof. dr hab. inż.
PeopleProfessor Dariusz Mikielewicz – born on February 6, 1967. in Gdansk. Here in 1974 he enrolled first to the Elementary School No. 17, and then in the Grammar School No. 5, named after Stefan Żeromski in Gdansk-Oliwa. After graduating from the Secondary School, with honors, in 1985 he successfully passed the entrance exams to the Faculty of Mechanical Engineering of Technical University of Gdansk, where he graduated with a very good...
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Hanna Gabriela Adamkiewicz dr hab.
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Szkolenie z bazy Knovel
EventsBiblioteka zaprasza na szkolenie z bazy Knovel. Więcej informacji na stronie Biblioteki.
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Psychometric properties of the Bern illegitimate tasks scale using classical test and item response theories
PublicationCombining a classical test theory and an item response theory (IRT), this study aimed to investigate the psychometric properties of the Bern Illegitimate Tasks Scale (BITS) by measuring two conceptually separate dimensions capturing unnecessary tasks (perceived by employees as pointless) and unreasonable tasks (perceived as unfairly or inappropriately assigned). Data collected among Polish employees in two samples (N= 965 and N=...
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Szeregowanie zadań uwarunkowanych czasowo
Publicationw pracy przedstawiono wyniki badań nad problemami szeregowania zadań uwarunkowanych czasowo. dla problemu 1|pi=a+bisi|σci przedstawiono nowe heurystyki, przypadek wielomianowy oraz w pełni wielomianowy schemat. wprowadzono koncepcję eliminacji zdominowanych fragmentów harmonogramu, oraz pokazano jak wykorzysta¢ ją do konstrukcji algorytmu dokładnego dla tego problemu, a także jak przy jej pomocy przyspieszy¢ inne algorytmy. następnie...
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Task Allocation and Scalability Evaluation for Real-Time Multimedia Processing in a Cluster Envirinment
PublicationAn allocation algorithm for stream processing tasks is proposed (Modified best Fit Descendent, MBFD). A comparison with another solution (BFD) is provided. Tests of the algorithms in an HPC environment are descrobed and the results are presented. A proper scalability metric is proposed and used for the evaluation of the allocation algorithm.
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Struktury wybranych tiosiarczanów amoniowych
PublicationPrzedstawiono syntezę i struktury rentgenowskie trzech tiosiarczanów amoniowych. Były to: tiosiarczan bis(cykloheksyloamoniowy), dwuwodny tiosiarczan bis(tert-butyloamoniowy) i bis(tiosiarczan) 1,6-heksanodiamoniowo diamonowy. Omówiono układy wiązań wodorowych występujące w powyższych strukturach.
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The concept of capillary forces supported evaporator for application to domestic ORC unit
PublicationIn the paper presented are studies on the investigation of the capillary forces effect inducted in the porous structure of a loop heat pipe. The potential application of such heat exchanger is for example an evaporator of the domestic micro CHP unit. Preliminary analysis of the results indicates water as having the best potential, however taking into account all issues it can be said that the best effect is obtained using ethanol.
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The application of checklists in the field of complex operation based on the operating experiences of a liquefied petroleum gas handling simulator.
PublicationOmówiono pojęcie list sprawdzających (z ang. checklists). Podano charakterystykę techniczną symulatora operacji ładunkowych gazowca typu LPG znajdującego się w laboratorium Katedry Siłowni Okrętowych Akademii Morskiej w Gdyni wraz z jego możliwościami dydaktycznymi. Przedstawiono zasady tworzenia list sprawdzających czynności obsługowe wraz z przykładem takiej listy.
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Emilia Dębińska-Bis
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Bit-Na Yoo
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Performance of the Direct Sequence Spread Spectrum Underwater Acoustic Communication System with Differential Detection in Strong Multipath Propagation Conditions
PublicationThe underwater acoustic communication (UAC) operating in very shallow-water should ensure reliable transmission in conditions of strong multipath propagation, significantly disturbing the received signal. One of the techniques to achieve this goal is the direct sequence spread spectrum (DSSS) technique, which consists in binary phase shift keying (BPSK) according to a pseudo-random spreading sequence. This paper describes the DSSS...
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Magdalena Licznerska mgr
PeopleMagdalena Licznerska jest asystentem w Katedrze Przedsiębiorczości na Wydziale Zarządzania i Ekonomii Politechniki Gdańskiej, gdzie prowadzi zajęcia z zarządzania małą firmą i podstaw ekonomii. Jej badania koncentrują się na przedsiębiorczości kobiet, kobietach w firmach rodzinnych oraz społeczno-kognitywnym spojrzeniu na przedsiębiorczość. Przygotowuje pracę doktorską na temat roli kontekstu w kształtowaniu indywidualnej orientacji...
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Jakub Drewnowski dr hab. inż.
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Rendezvous of Heterogeneous Mobile Agents in Edge-Weighted Networks
PublicationWe introduce a variant of the deterministic rendezvous problem for a pair of heterogeneous agents operating in an undirected graph, which differ in the time they require to traverse particular edges of the graph. Each agent knows the complete topology of the graph and the initial positions of both agents. The agent also knows its own traversal times for all of the edges of the graph, but is unaware of the corresponding traversal...
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Rendezvous of heterogeneous mobile agents in edge-weighted networks
PublicationWe introduce a variant of the deterministic rendezvous problem for a pair of heterogeneous agents operating in an undirected graph, which differ in the time they require to traverse particular edges of the graph. Each agent knows the complete topology of the graph and the initial positions of both agents. The agent also knows its own traversal times for all of the edges of the graph, but is unaware of the corresponding traversal...
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Michał Kowalewski dr inż.
PeopleResearch career: Doctoral dissertation "Tolerance robust, dictionary methods of fault diagnosis of electronic circuits with specialized neural classifier". Participation as a performer in four KBN research teams MNiSW and NCBiR concerning the development of diagnostic methods for analog electronic circuits and diagnostics of technical objects using impedance spectroscopy methods. 39 publications, including 10 in magazines,...
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Implementation of high-precision computation capabilities into the open-source dynamic simulation framework YADE
PublicationThis paper deals with the implementation of arbitrary precision calculations into the open-source discrete element framework YADE published under the GPL-2+ free software license. This new capability paves the way for the simulation framework to be used in many new fields such as quantum mechanics. The implementation details and associated gains in the accuracy of the results are discussed. Besides the "standard" double (64 bits)...
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ALOFON corpus
Open Research DataThe ALOFON corpus is one of the multimodal database of word recordings in English, available at http://www.modality-corpus.org/. The ALOFON corpus is oriented towards the recording of the speech equivalence variants. For this purpose, a total of 7 people who are or speak English with native speaker fluency and a variety of Standard Southern British...
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Jerzy Balicki dr hab. inż.
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Gastrointestinal stromal tumor - Male, 63 - Tissue image [8100730018733641]
Open Research DataThis is the histopathological image of SMALL INTESTINE tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Gastrointestinal stromal tumor - Male, 63 - Tissue image [8100730018735581]
Open Research DataThis is the histopathological image of SMALL INTESTINE tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Gastrointestinal stromal tumor - Male, 63 - Tissue image [8100730018692811]
Open Research DataThis is the histopathological image of SMALL INTESTINE tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Gastrointestinal stromal tumor - Male, 63 - Tissue image [8100730018738281]
Open Research DataThis is the histopathological image of SMALL INTESTINE tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Gastrointestinal stromal tumor - Male, 63 - Tissue image [8100730018731891]
Open Research DataThis is the histopathological image of SMALL INTESTINE tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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A self-testing method of large analog circuits in electronic embedded systems
PublicationPrzedstawiono metodę samotestowania filtrów wyższych rzędów składających się z łańcucha pierwszego lub drugiego rzędu filtrów (bloków) zaimplementowanych w mieszanych sygnałowo elektronicznych systemach wbudowanych sterowanych mikrokontrolerami lub procesorami sygnałowymi.Idea metody bazuje na fakcie, iż odpowiedź danego bloku jest traktowana jako sygnał pobudzenia kolejnego bloku. Dzięki temu rozwiązaniu rekonfigurowalny układ...
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Ochrona Własności Intelektualnej (2021/2022)
e-Learning CoursesNazwa kursu: Ochrona Własności Intelektualnej (2021/2022) kurs przeznaczony dla: studentów studiów stacjonarnych Poziom kształcenia: I stopnia inżynierskie Rok studiów: 3 Semestr: VI (letni) Kierunek studiów: Budownictwo Nazwa i kod przedmiotu: Ochrona Własności Intelektualnej (L:PG_00043979) Kierunek studiów: Geodezja inżynieryjna Nazwa i kod przedmiotu: Ochrona Własności Intelektualnej (L:PG_00044843) Kierunek...
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Ochrona Własności Intelektualnej (2022/2023)
e-Learning CoursesNazwa kursu: Ochrona Własności Intelektualnej (2021/2022) kurs przeznaczony dla: studentów studiów stacjonarnych Poziom kształcenia: I stopnia inżynierskie Rok studiów: 3 Semestr: VI (letni) Kierunek studiów: Budownictwo Nazwa i kod przedmiotu: Ochrona Własności Intelektualnej (L:PG_00043979) Kierunek studiów: Geodezja inżynieryjna Nazwa i kod przedmiotu: Ochrona Własności Intelektualnej (L:PG_00044843) Kierunek...
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Ochrona Własności Intelektualnej - 2023/2024
e-Learning CoursesNazwa kursu: Ochrona Własności Intelektualnej (2021/2022) kurs przeznaczony dla: studentów studiów stacjonarnych Poziom kształcenia: I stopnia inżynierskie Rok studiów: 3 Semestr: VI (letni) Kierunek studiów: Budownictwo Nazwa i kod przedmiotu: Ochrona Własności Intelektualnej (L:PG_00043979) Kierunek studiów: Geodezja inżynieryjna Nazwa i kod przedmiotu: Ochrona Własności Intelektualnej (L:PG_00044843) Kierunek studiów:...
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Jan Kozicki dr hab. inż. arch.
PeopleIn year 2002 after obtaining master's degree in construction was employed on Faculty of Civil and Environmental Engineering. In 2004 obtained master's degree in architecture on Faculty of Architecture focusing on a research outpost on Mars. Defended PhD in year 2007 in the field of numerical modeling. In 2013 obtained Licentiate degree in theoretical physics on University of Gdańsk. In year 2014 obtained habilitation in technical...
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Deep Learning-Based, Multiclass Approach to Cancer Classification on Liquid Biopsy Data
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Szymon Zaporowski mgr inż.
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A novel approach exploiting properties of convolutional neural networks for vessel movement anomaly detection and classification
PublicationThe article concerns the automation of vessel movement anomaly detection for maritime and coastal traffic safety services. Deep Learning techniques, specifically Convolutional Neural Networks (CNNs), were used to solve this problem. Three variants of the datasets, containing samples of vessel traffic routes in relation to the prohibited area in the form of a grayscale image, were generated. 1458 convolutional neural networks with...
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The clamping selection method to reduce the vibration of large-size workpieces during the face milling process
PublicationThe article introduces a method for selecting the best clamping conditions to obtain vibration reduction during milling of large-size workpiece. It is based on experimental modal analysis performed for a set of assumed, fixing conditions of a considered workpiece to identify Frequency Response Functions (FRFs) for each tightening torque of the mounting screws. Simulated plots of periodically changing nominal cutting forces are...
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Study of preference for surround microphone techniques, used in the recording of choir and instrumental ensemble
PublicationThe aim of this paper is to describe the process of choosing the best surround microphone technique for recording of choir with an instrumental ensemble. First, examples of multichannel microphone techniques including those used in the recording are described. Then, the assumptions and details of music recording in Radio Gdansk Studio are provided as well as the process of mixing of the multichannel recording. The extensive subjective...
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Electrodes criticality: the impact of CRMs in the leachate electrochemical oxidation
Publication. Landfill leachate possesses high concentrations of ammonia, micropollutants, and heavy metals, and are characterised for low biodegradability. For this reason, conventional treatment technologies may result ineffective for complete pollutant removal. Electrochemical oxidation allows most of the of recalcitrant pollutants to be oxidised effectively within an easy operational and acceptable retention time, without the need to provide...
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Satish Raina prof. dr
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A testing method of analog parts of mixed-signal electronic systems equipped with the IEEE1149.1 test bus
PublicationA new solution of the JTAG BIST for testing analog circuits in mixed-signal electronic microsystems controlled by microcontrollers and equipped with the IEEE1149.1 bus is presented. It is based on a new fault diagnosis method in which an analog circuit is stimulated by a buffered signal from the TMS line, and the time response of the circuit to this signal is sampled by the ADC equipped with the JTAG. The method can be used for...
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Integrated Control in High-Speed Networks Using Constrained Model Predictive Control
PublicationThis paper studies congestion control in high-speed communication networks using Model Predictive Control (MPC). Network traffic is assumed to consist of best-effort and priority traffic sources. An integrated controller consisting of two control parts is designed. The controller calculates the capacity for priority sources and the input rate of best-effort sources. MPC is desirable as it can take into account the constraints on...
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Natalia Stawicka-Morawska dr inż.
PeopleMgr inż. Natalia Stawicka-Morawska pracuje na Politechnice Gdańskiej od października 2017 r. na stanowisku Asystenta, na Wydziale Inżynierii Mechanicznej i Okrętownictwa (poprzednio: Wydziale Mechanicznym), w Instytucie Mechaniki i Konstrukcji Maszyn (poprzednio: Katedrze Mechaniki i Mechatroniki).Prowadzona przez nią działalność naukowa dotyczy dziedziny nauk technicznych w dyscyplinie naukowej budowa i eksploatacja maszyn. Główną...