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    Wyświetlanie 1-23 z 23
    Tytuł:
    Medienwirkungen beim Lernen am Beispiel des Vokabellernens
    Autorzy:
    Giessen, Hans
    Powiązania:
    https://bibliotekanauki.pl/articles/915695.pdf
    Data publikacji:
    2013-01-01
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    computer-based learning
    vocabulary
    Opis:
    This study describes an experiment in vocabulary learning. The vocabulary was presented to students in two different forms, the classical one (a list of vocabulary presented on a paper sheet), and a computer-generated one (to guarantee validity: with the same list as shown on the paper sheet). No other variables have influenced learning. The remembrance of the vocabulary was tested immediately after, one day after and one week after learning. The results: Vocabulary remembrance was strikingly worse when learning from the computer screen in comparison with learning the classical way, from the paper sheet.
    Źródło:
    Glottodidactica. An International Journal of Applied Linguistics; 2013, 40, 2; 99-107
    0072-4769
    Pojawia się w:
    Glottodidactica. An International Journal of Applied Linguistics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An explorative study on media effects in vocabulary learning
    Autorzy:
    Giessen, Hans
    Powiązania:
    https://bibliotekanauki.pl/articles/606044.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
    Tematy:
    Computer-based learning
    amygdala
    hippocampus
    vocabulary
    Opis:
    Der Band enthält die Abstracts ausschließlich in englischer Sprache.
    This article deals with the best media or media adequate ways to memorize vocabulary. An empirical study is presented in which test persons had to memorize vocabulary in an unknown language in three different ways. Thus, three experimental groups were presented Hungarian vocabulary to be learnt. The first group learnt a vocabulary list from a sheet of paper, the second one from the computer monitor, but without any animation, and the third one from an animated flash file. In the present article, the results of this study are reported and discussed.
    L'article contient uniquement les résumés en anglais.
    Źródło:
    Lublin Studies in Modern Languages and Literature; 2019, 43, 4
    0137-4699
    Pojawia się w:
    Lublin Studies in Modern Languages and Literature
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer based teaching in distance learning department of philological faculty
    Autorzy:
    Widła, H.
    Twardoń, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/333220.pdf
    Data publikacji:
    2005
    Wydawca:
    Uniwersytet Śląski. Wydział Informatyki i Nauki o Materiałach. Instytut Informatyki. Zakład Systemów Komputerowych
    Tematy:
    nauczanie języków obcych
    kształcenie na odległość
    materiały on-line
    ćwiczenia on-line
    foreign language teaching
    distance learning
    online materials
    online exercises
    Opis:
    The paper is an attempt to show how to introduce elements of distance teaching in philology studies. The key feature of these studies is that the most frequent method of education are workshops and seminars, at which the master-student relationship dominates and the direct thought exchange is fundamental and irreplaceable by any other form of the didactic offer. It appears however, that new technologies can be made use of, along with certain types of distance teaching, despite troubles with breaching the psychological barrier and technical problems. The paper gives factual results of such attempts, illustrating them with products created by lecturers and students. The presentation focuses on the effects of using the new technologies at B.A. and master’s degree seminars on methods of foreign language teaching, literature and linguistics in the past two years, at the Institute of Roman Philology.
    Źródło:
    Journal of Medical Informatics & Technologies; 2005, 9; 277-284
    1642-6037
    Pojawia się w:
    Journal of Medical Informatics & Technologies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Active Learning Computer-Based Teaching Tool for Enhancing Students’ Learning and Visualization Skills in Electromagnetics
    Autorzy:
    Bait-Suwailam, Mohammed
    Jervase, Joseph
    Al-Lawati, Hassan
    Nadir, Zia
    Powiązania:
    https://bibliotekanauki.pl/articles/2200698.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    computer-aided tool
    e-learning
    electromagnetics
    engineering education
    interactive learning PDE tool
    Opis:
    Electromagnetic theoretical concepts, which are represented mathematically, are usually challenging to grasp by students. In this study, we explore an interactive technology-based teaching tool to develop further students’ mastery of electromagnetic concepts through learning development and visualization of electromagnetic problems. This visualization of the problems will help students analyse, evaluate, and draw conclusions of the impact of electromagnetic-related problems in real-life. The simulation tool in this study is based on a MATLAB® toolbox package, in which partial-differential equations (PDE) solver is the core engine. In this paper, we will also provide a step-by-step guide on the use of such an interactive computer-aided tool so that it can be a great self-guide tool for beginners in the field of physics and a first-level introductory course in electromagnetism. This study will focus mainly on one classical electrostatic problem that is a challenge to students to visualize, analyze and evaluate. Based on students feedback by the end of the course, 80% of students’ population are more comfortable with the introduced interactive learning tool.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 1; 53--60
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Zastosowanie gier komputerowych w procesie poszerzania umiejętności programistycznych wśród dzieci i młodzieży
    The Use of Computer Games in the Process of Expanding Programming Skills among Children and Youth
    Autorzy:
    GOSPODAREK, KATARZYNA
    Powiązania:
    https://bibliotekanauki.pl/articles/456897.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Rzeszowski
    Tematy:
    nauczanie oparte na grach
    serious games
    wprowadzenie do programowania nauka programowania
    game based learning
    introductory programming
    learning programming
    Opis:
    Aktualnie, w tak zwanej erze cyfrowej, edukacja opierająca się na wykorzystaniu gier komputerowych (game-based learning – GBL) staje się coraz bardziej powszechna. Niniejsze opracowanie przedstawia przegląd rozwiązań wykorzystujących gry komputerowe w procesie poszerzania umiejętności programistycznych wśród dzieci i młodzieży. Szczególny nacisk położono na przedstawienie kluczowych zalet stosowania tego rodzaju programów w dydaktyce oraz ich wpływu na proces nauczania programowania.
    Currently, in the so-called digital age, education based on the use of computer games (usually called game-based learning or GBL) is becoming more and more common.This paper presents an overview of solutions using computer games in the process of improving programming skills among children and young people. Particular emphasis was placed on presenting the key advantages of using such programs in teaching and their impact on the teaching process of programming.
    Źródło:
    Edukacja-Technika-Informatyka; 2019, 10, 2; 297-302
    2080-9069
    Pojawia się w:
    Edukacja-Technika-Informatyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Second language writing anxiety, computer anxiety, and performance in a classroom versus a web-based environment
    Autorzy:
    Dracopoulous, Effie
    Pichette, Francois
    Powiązania:
    https://bibliotekanauki.pl/articles/780923.pdf
    Data publikacji:
    2011-04
    Wydawca:
    Uniwersytet im. Adama Mickiewicza w Poznaniu
    Tematy:
    writing anxiety
    computer anxiety
    second language learning
    ESL
    distance learning
    Opis:
    The study examined the impact of writing anxiety and computer anxiety on language learning for 45 ESL adult learners enrolled in an English grammar and writing course.
    Źródło:
    Studies in Second Language Learning and Teaching; 2011, 1, 1; 101-117
    2083-5205
    2084-1965
    Pojawia się w:
    Studies in Second Language Learning and Teaching
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Systematic analysis and review of video object retrieval techniques
    Autorzy:
    Ghuge, C. A.
    Prakash, V. Chandra
    Ruikar, Sachin D.
    Powiązania:
    https://bibliotekanauki.pl/articles/2050246.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    video object retrieval
    computer vision
    deep learning
    fuzzy-based techniques
    machine learning
    query-based techniques
    graph-based techniques
    Opis:
    Video object retrieval is a promising research direction, developing in the recent years, and the current video object retrieval strategies are used for visualizing, digitizing, modeling, and retrieving the objects especially in graphics and in architectural design. The research performed led to the design of proficient video object retrieval techniques. Yet, although, a number of algorithms had been devised for tracking objects, the problems persist in enhancing the performance, for instance – with regard to non-rigid objects. In this review article we provide a detailed survey of 50 research papers presenting the suggested video object retrieval methodologies, based on approaches such as deep learning techniques, graph-based techniques, query-based techniques, feature-based techniques, fuzzybased techniques, machine learning-based techniques, distance metric learning-based technique, and also other ones. Moreover, analysis and discussion are presented concerning the year of publication, employed methodology, evaluation metrics, accuracy range, adopted framework, datasets utilized, and the implementation tool. Finally, the research gaps and issues related to various proposed video object retrieval schemes are presented for guiding the researchers towards improved contributions to the video object retrieval methods.
    Źródło:
    Control and Cybernetics; 2020, 49, 4; 471-498
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of instance-based learning for cast iron casting defects prediction
    Autorzy:
    Sika, Robert
    Szajewski, Damian
    Hajkowski, Jakub
    Popielarski, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/407199.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    soft modelling
    instance-based learning
    k-nearest neighbours algorithm
    cast iron casting defects
    computer application
    Opis:
    The paper presents an example of Instance-Based Learning using a supervised classification method of predicting selected ductile cast iron castings defects. The test used the algorithm of k-nearest neighbours, which was implemented in the authors’ computer application. To ensure its proper work it is necessary to have historical data of casting parameter values registered during casting processes in a foundry (mould sand, pouring process, chemical composition) as well as the percentage share of defective castings (unrepairable casting defects). The result of an algorithm is a report with five most possible scenarios in terms of occurrence of a cast iron casting defects and their quantity and occurrence percentage in the casts series. During the algorithm testing, weights were adjusted for independent variables involved in the dependent variables learning process. The algorithms used to process numerous data sets should be characterized by high efficiency, which should be a priority when designing applications to be implemented in industry. As it turns out in the presented mathematical instance-based learning, the best quality of fit occurs for specific values of accepted weights (set #5) for number k = 5 nearest neighbours and taking into account the search criterion according to “product index”.
    Źródło:
    Management and Production Engineering Review; 2019, 10, 4; 101-107
    2080-8208
    2082-1344
    Pojawia się w:
    Management and Production Engineering Review
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    INTERMEDIATE GREEK EFL LEARNERS’ ATTITUDES TO ON-LINE TEACHING PRACTICES: A BLENDED TASK-BASED ENGLISH LANGUAGE LEARNING APPROACH
    Autorzy:
    Liontou, Trisevgeni
    Powiązania:
    https://bibliotekanauki.pl/articles/955333.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej w Lublinie. IATEFL Poland Computer Special Interest Group
    Tematy:
    on-line teaching practices
    Computer-Assisted Language Learning
    English Language Learning
    students’ attitudes
    Opis:
    This paper reports on a one-year longitudinal study that adopted a blended teaching approach based on designing and implementing an online EFL course to be used by Greek students aged 13-14 years old along their more traditional face-to-face lessons. The reason for creating a more dynamic learning environment aligned with the rest of the curriculum was to increase EFL learners’ engagement and motivation through their exposure to authentic online material and participation in a variety of reading, writing, speaking and listening tasks. Data analysis of pre- and post-achievement tests on English language reading comprehension performance along with students’ Computer-Assisted Language Learning (CALL) attitude questionnaire showed that participants generally had a positive attitude toward CALL. At the same time, open online access technologies gave them the opportunity to further develop their EFL reading comprehension skills. The paper concludes by highlighting the fact that online class components were not designed to fit the online tools into a task-based EFL lesson, but rather served the learning objectives of the actual lesson based on a blended teaching approach.
    Źródło:
    Teaching English with Technology; 2015, 15, 2; 81-93
    1642-1027
    Pojawia się w:
    Teaching English with Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer-Based Training (CBT):innovation and influence Towards Teaching-Learning Process at JBLFMU-Molo
    Autorzy:
    Alimen, R. A.
    Ortega, N. B.
    Galve, R.
    Bito‐onon, L. B.
    Powiązania:
    https://bibliotekanauki.pl/articles/117148.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    maritime education and training (MET)
    Computer Based Training (CBT)
    Teaching-Learning Process
    innovation
    MET System in the Philippines
    Marine Engineering Students
    Analysis of Variance (ANOVA)
    quantitative-qualitative research
    Opis:
    This study determined the level of assessment of subjects with CBT (Computer-Based-Training) application among marine engineering students of John B. Lacson Foundation Maritime University-Molo, Iloilo City. The participants in this study were the randomly selected one hundred and thirty-three (133) marine engineering students of JBLFMU-Molo, Iloilo City who had taken subjects with CBTs. The present study employed quantitative-qualitative research design by Creswell (2013). Results reveal the following: (1) review with CBT or CBTR review is the mostly utilized subject because this is needed in the marine engineering licensure examinations; (2) level of assessment of CBTs is excellent; (3) no significant differences in the assessment of CBTs were found out among marine engineering students as classified according to different variables such as academic performance, students’ classification, type of students, and section.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 4; 821-825
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Barriers in Distance Education Based on the Example of Computer Science Studies
    Autorzy:
    Krupski, M.
    Cader, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/108678.pdf
    Data publikacji:
    2011
    Wydawca:
    Społeczna Akademia Nauk w Łodzi
    Tematy:
    distance education
    information tools
    e-learning quality
    Opis:
    The following work briefly presents a research project that aims at identifying barriers obstructing distance education. The research was conducted on the overall number of 158 distance students. The comparative group consisted of 430 traditional students. The attention was focused on the problems associated with Internet studies and there was a comparative analysis conducted on the perception of described factors by e-learning and traditional students (day and weekend studies). The results suggest that factors commonly perceived as the main disadvantages of distance studies are not more onerous than for traditional students.
    Źródło:
    Journal of Applied Computer Science Methods; 2011, 3 No. 1; 47-65
    1689-9636
    Pojawia się w:
    Journal of Applied Computer Science Methods
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Integrating information and communication technologies in the process of foreign language teaching and learning
    Autorzy:
    Serostanova, Natalia
    Powiązania:
    https://bibliotekanauki.pl/articles/628232.pdf
    Data publikacji:
    2014
    Wydawca:
    Fundacja Pro Scientia Publica
    Tematy:
    information and communication technologies (ICT), foreign language teaching and learning (FLT/FLL), computer programs, interactive whiteboards, Internet- -based (telecommunication) projects, distance learning
    Opis:
    The paper is an attempt to cover some of the issues of using information and communication technologies (ICT) in foreign languages teaching and learning (FLT/FLL) on the basis of intercultural approach. The facilities of Internet along with computer programs, audio and video devices, interactive whiteboards and telecommunications are considered. Special attention is given to the peculiarities of telecommunication projects; the example of telecommunication project realization is represented. The advantages and disadvantages of distance language learning are considered. Besides, some diffi culties that students and teachers come across during ICT-supported language education are also discussed. Key words: information and communication technologies (ICT), foreign language teaching and learning (FLT/FLL), computer programs, interactive whiteboards, Internet-based (telecommunication) projects, distance learning.
    Źródło:
    Journal of Education Culture and Society; 2014, 5, 1; 187-197
    2081-1640
    Pojawia się w:
    Journal of Education Culture and Society
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Event-Related Assessment of Hypermedia-Based E-Learning Materials With an HRV-Based Method That Considers Individual Differences in Users
    Autorzy:
    Hercegfi, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/90195.pdf
    Data publikacji:
    2011
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    human-computer interaction (HCI)
    software ergonomics
    software usability testing and evaluation
    empirical methods
    heart rate variability (HRV)
    e-learning
    hypermedia
    Opis:
    This paper reports results of an assessment of e-learning materials with the INTERFACE software evaluation methodology. On the one hand, this method of analysis allows us to identify ergonomics problems; on the other, to decide to what extent those problems and their severity concern all users in general and to what extent they depend on the usersʼ type and characteristics. This is the first publication to apply the new marking, export, and statistical features of INTERFACE used in a quantitative analysis of heart rate variability (HRV) curves instead of earlier time-based statistics and qualitative methods. It presents correlations between event-related characteristics of human–computer interaction and the currently required mental effort showed with HRV. The paper also discusses correlations between variables and cognitive-style test scores which indicate the role of individual differences in ergonomics.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2011, 17, 2; 119-127
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    STUDENTS’ PERCEPTIONS OF THEIR ICT-BASED COLLEGE ENGLISH COURSE IN CHINA: A CASE STUDY
    Autorzy:
    Zinan, Wen
    Sai, George Teoh Boon
    Powiązania:
    https://bibliotekanauki.pl/articles/955647.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej w Lublinie. IATEFL Poland Computer Special Interest Group
    Tematy:
    ICT-based English Course
    College English Course
    Computer-Assisted Language Learning
    Opis:
    This study investigated foreign language students’ perceptions about their Information and Communication Technology (ICT)-based College English Course (CEC) in China. The research used a five-point Likert-scale questionnaire based on Simsek (2008). A factor analysis confirmed the construct validity of the questionnaire and 6 factors were delineated. 200 non-English majors who responded mentioned that ICT was well integrated into the CEC. They reported that the ICT-based CEC gave them a good environment for independent learning and they were more motivated to learn English as they had more opportunities to communicate, interact and cooperate with other students in English using authentic language in a variety of contexts. They found learning was more effective compared to the traditional learning environment; it provided freer learning environment, less restricted communication, more time flexibility and more self-scheduled study plan ensuring learner-centeredness and learning autonomy.
    Źródło:
    Teaching English with Technology; 2017, 17, 3; 53-76
    1642-1027
    Pojawia się w:
    Teaching English with Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A suggestion of an application of blended learning in MET through a harmonized STCW Model
    Autorzy:
    Pipchenko, O. D.
    Kovtunenko, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1841613.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Harmonized STCW Model
    STCW
    blended learning
    learning methods
    Maritime Education and Training
    (MET)
    Computer Based Training
    (CBT)
    training facility
    teaching methods
    Opis:
    The article addresses the problem of modern maritime education and training in the perspective of computer technologies development, especially the internet. Computer-based training is being a standard for the maritime industry for almost 25 years, but there is still no unified approach on the use of this teaching method in MET. Authors suggest to open a conversation on harmonization of standards regarding CBT in the industry and wider implementation of this teaching method into STCW training process via a blended learning approach, where theoretical part of the course may be taken online, while the practical part is taken in the training facility.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 3; 545-548
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Obserwacje spontanicznego wykorzystania komputerowego narzędzia przeznaczonego do samodzielnego eksploracyjnego zdobywania wiedzy na temat sieci neuronowych
    Observations of the spontaneous exploiting of computer tool designed for independent exploration-based learning about artificial neural networks
    Autorzy:
    Tafeusiewicz, Ryszard
    Powiązania:
    https://bibliotekanauki.pl/articles/446210.pdf
    Data publikacji:
    2012
    Wydawca:
    Uniwersytet Rzeszowski
    Tematy:
    Komputerowo wspomagane samouczenie
    sztuczna inteligencja
    Computer aided self-learning
    artificial intelligence
    Opis:
    Artykuł analizuje zachowania użytkowników zasobów e-learningowych w sytuacji, gdy korzystają oni z oferty uczenia się zagadnień, które wprawdzie wzbogacą ich intelektualnie, ale nie dadzą żadnych wymiernych korzyści. Wskazana okoliczność odróżnia badania opisane w tej pracy od licznych badań relacjonowanych w literaturze, w których każdorazowo badano zachowania uczniów lub studentów, którzy byli formalnie zapisani na jakiś kurs i mogli się uczyć korzystając z zasobów e-learningowych kiedy chcieli i gdzie chcieli – ale uczyć się musieli. Tymczasem badani w tej pracy użytkownicy otwartych zasobów e-learningowych nie podlegają żadnemu systemowi przymusu. Opierając się na trwających cztery lata obserwacjach zachowań internautów wykorzystujących stworzony przez autora zasób edukacyjny podjęto w prezentowanej pracy próbę zaproponowania całościowego modelu sposobu użytkowania takich otwartych zasobów wiedzy w opisanych wyżej warunkach oraz przedstawiono wnioski dotyczące przyszłościowych form spontanicznego uczenia się użytkowników otwartych zasobów e-learningowych między innymi w kontekście hasła life-long learning.
    The main goal of the paper is presentation and discussion of behavior of the users of e-learning open resources. The research is related to e-learning materials presenting area of knowledge not connected with any kind of formal exams or skills certifications. Moreover offered and learned knowledge is not connected directly with any profits, and learning process is devoted to increase of student intellectual abilities only. This is the main difference between results quoted in this paper and results related in many existing papers and books, where always was observed behavior of students using e-learning resources for acquisition of knowledge which was obligatory for this students. It means we have information about students who can learn at any time and at any time – but must learn indeed. People observed in research presented in this paper nothing has learn – but they will learn without any forms of formal pressure forced learning activity. Over four year observation of the users of given e-learning resources forms the basis for proposed in paper model of such users. Proposed model of the average user of open e-learning resources behavior, can be very interesting and useful in context of life-long-learning watchword.
    Źródło:
    Dydaktyka informatyki; 2012, 7; 91-108
    2083-3156
    Pojawia się w:
    Dydaktyka informatyki
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Navigation strategy for mobile robot based on computer vision and YOLOv5 network in the unknown environment
    Autorzy:
    Bui, Thanh-Lam
    Tran, Ngoc-Tien
    Powiązania:
    https://bibliotekanauki.pl/articles/30148249.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    mobile robot
    navigation
    deep learning
    computer vision
    Opis:
    The capacity to navigate effectively in complex environments is a crucial prerequisite for mobile robots. In this study, the YOLOv5 model is utilized to identify objects to aid the mobile robot in determining movement conditions. However, the limitation of deep learning models being trained on insufficient data, leading to inaccurate recognition in unforeseen scenarios, is addressed by introducing an innovative computer vision technology that detects lanes in real-time. Combining the deep learning model with computer vision technology, the robot can identify different types of objects, allowing it to estimate distance and adjust speed accordingly. Additionally, the paper investigates the recognition reliability in varying light intensities. When the light illumination increases from 300 lux to 1000 lux, the reliability of the recognition model on different objects also improves, from about 75% to 98%, respectively. The findings of this study offer promising directions for future breakthroughs in mobile robot navigation.
    Źródło:
    Applied Computer Science; 2023, 19, 2; 82-95
    1895-3735
    2353-6977
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A cough-based COVID-19 detection system using PCA and machine learning classifiers
    Autorzy:
    Benmalek, Elmehdi
    Mhamdi, Jamal El
    Jilbab, Abdelilah
    Jbari, Atman
    Powiązania:
    https://bibliotekanauki.pl/articles/38431179.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    COVID-19
    cough recordings
    machine learning
    PCA
    classification
    Opis:
    In 2019, the whole world is facing a health emergency due to the emergence of the coronavirus (COVID-19). About 223 countries are affected by the coronavirus. Medical and health services face difficulties to manage the disease, which requires a significant amount of health system resources. Several artificial intelligence-based systems are designed to automatically detect COVID-19 for limiting the spread of the virus. Researchers have found that this virus has a major impact on voice production due to the respiratory system's dysfunction. In this paper, we investigate and analyze the effectiveness of cough analysis to accurately detect COVID-19. To do so, we per-formed binary classification, distinguishing positive COVID patients from healthy controls. The records are collected from the Coswara Dataset, a crowdsourcing project from the Indian Institute of Science (IIS). After data collection, we extracted the MFCC from the cough records. These acoustic features are mapped directly to the Decision Tree (DT), k-nearest neighbor (kNN) for k equals to 3, support vector machine (SVM), and deep neural network (DNN), or after a dimensionality reduction using principal component analysis (PCA), with 95 percent variance or 6 principal components. The 3NN classifier with all features has produced the best classification results. It detects COVID-19 patients with an accuracy of 97.48 percent, 96.96 percent f1-score, and 0.95 MCC. Suggesting that this method can accurately distinguish healthy controls and COVID-19 patients.
    Źródło:
    Applied Computer Science; 2022, 18, 4; 96-115
    1895-3735
    2353-6977
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A lightweight multi-person pose estimation scheme based on Jetson Nano
    Autorzy:
    Liu, Lei
    Blancaflor, Eric B.
    Abisado, Mideth
    Powiązania:
    https://bibliotekanauki.pl/articles/30148243.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Promocji Wiedzy
    Tematy:
    human pose estimation
    lightweight model
    Edge AI
    deep learning
    computer vision
    Opis:
    As the basic technology of human action recognition, pose estimation is attracting more and more researchers' attention, while edge application scenarios pose a higher challenge. This paper proposes a lightweight multi-person pose estimation scheme to meet the needs of real-time human action recognition on the edge end. This scheme uses AlphaPose to extract human skeleton nodes, and adds ResNet and Dense Upsampling Revolution to improve its accuracy. Meanwhile, we use YOLO to enhance AlphaPose’s support for multi-person pose estimation, and optimize the proposed model with TensorRT. In addition, this paper sets Jetson Nano as the Edge AI deployment device of the proposed model and successfully realizes the model migration to the edge end. The experimental results show that the speed of the optimized object detection model can reach 20 FPS, and the optimized multi-person pose estimation model can reach 10 FPS. With the image resolution of 320×240, the model’s accuracy is 73.2%, which can meet the real-time requirements. In short, our scheme can provide a basis for lightweight multi-person action recognition scheme on the edge end.
    Źródło:
    Applied Computer Science; 2023, 19, 1; 1-14
    1895-3735
    2353-6977
    Pojawia się w:
    Applied Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Teoria wielostronnego kształcenia osobowości podstawą sytuacji edukacyjnych z informatyki w gimnazjum
    Theory Multilateral Education of Personality Based on Educationally Situations of Computer Science Learning in Junior High School
    Autorzy:
    Miterka, Elżbieta
    Powiązania:
    https://bibliotekanauki.pl/articles/1811105.pdf
    Data publikacji:
    2015
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    sytuacja edukacyjna
    teoria wielostronnego kształcenia
    proces nauczania--uczenia się informatyki w gimnazjum
    model mobilnego kształcenia
    educational situation
    multilateral theory of education
    the process of teaching-learning of computer science in junior high school
    the model of mobile learning
    Opis:
    Artykuł prezentuje podstawy procesu kształcenia informatycznego dla III etapu edukacyjnego w świetle teorii wielostronnego kształcenia osobowości i sytuacji edukacyjnych, które mogą stanowić fundament w procesie jego realizacji. Teoria ta, opierając się na złożonym procesie rozwoju człowieka, dokonującym się pod wpływem kształcenia, traktuje wychowanka i jego osobowość jako harmonijną całość, której kształcenie następuje poprzez rozbudzanie i rozwijanie zdolności poznawczych, motywacji i życia uczuciowego oraz zdolności do twórczej działalności praktycznej. Efektem takiego procesu nauczania-uczenia się jest spójnie ukształtowana osobowość ucznia, gotowa na wybór i przyswajanie dostępnych informacji, jak i rozwiązywanie zagadnień teoretycznych i praktycznych, a zarazem przeżywająca treści naukowe, społeczne, moralne i estetyczne oraz biorąca czynny udział w przekształcaniu otaczającej rzeczywistości.
    Article presents the theoretical foundations of computer education process for the third stage of education in the light of the theory multilateral education of personality and educationally situations that can be the foundation in the process of computer science learning. This theory is based on the complex process of human development, maked under the influence of education with treats juvenile and his personality as a harmonious whole, which education takes through the awakening and development of cognitive skills, motivation and emotional life and the ability to creative practical activity. The result of such a process of teaching-learning is consistently shaped the personality of the student, ready for selection and assimilation of available information and solving theoretical and practical problems, surviving scientific content, social, moral, and aesthetic and taking an active part in the transformation of the surrounding reality.
    Źródło:
    Roczniki Pedagogiczne; 2015, 7(43), 2; 23-38
    2080-850X
    Pojawia się w:
    Roczniki Pedagogiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Machine learning-based business rule engine data transformation over high-speed networks
    Autorzy:
    Neelima, Kenpi
    Vasundra, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/38700094.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    CRISP-DM
    data mining algorithms
    business rule
    prediction
    classification
    machine learning
    deep learning
    AI design
    algorytmy eksploracji danych
    reguła biznesowa
    prognoza
    klasyfikacja
    nauczanie maszynowe
    uczenie głębokie
    projekt Sztucznej Inteligencji
    Opis:
    Raw data processing is a key business operation. Business-specific rules determine howthe raw data should be transformed into business-required formats. When source datacontinuously changes its formats and has keying errors and invalid data, then the effectiveness of the data transformation is a big challenge. The conventional data extraction andtransformation technique produces a delay in handling such data because of continuousfluctuations in data formats and requires continuous development of a business rule engine.The best business rule engines require near real-time detection of business rule and datatransformation mechanisms utilizing machine learning classification models. Since data iscombined from numerous sources and older systems, it is challenging to categorize andcluster the data and apply suitable business rules to turn raw data into the business-required format. This paper proposes a methodology for designing ensemble machine learning techniques and approaches for classifying and segmenting registered numbersof registered title records to choose the most suitable business rule that can convert theregistered number into the format the business expects, allowing businesses to provide customers with the most recent data in less time. This study evaluates the suggested modelby gathering sample data and analyzing classification machine learning (ML) models todetermine the relevant business rule. Experimentation employed Python, R, SQL storedprocedures, Impala scripts, and Datameer tools.
    Źródło:
    Computer Assisted Methods in Engineering and Science; 2023, 30, 1; 55-71
    2299-3649
    Pojawia się w:
    Computer Assisted Methods in Engineering and Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The use of vlogging to enhance speaking performance of ESL students in a Malaysian secondary school
    Autorzy:
    Andiappan, Shoba
    Hock Seng, Goh
    Ruey Shing, Soo
    Powiązania:
    https://bibliotekanauki.pl/articles/2087208.pdf
    Data publikacji:
    2022
    Wydawca:
    Uniwersytet Marii Curie-Skłodowskiej w Lublinie. IATEFL Poland Computer Special Interest Group
    Tematy:
    video-based blogs (vlogs)
    asynchronous computer-mediated communication
    out-of-class learning
    ESL students
    speaking
    Opis:
    This study investigates the effect of a vlogging project on Malaysian ESL students’ speaking performance in a secondary school. Additionally, the students’ experience and perception of making and using vlogs in their language learning were also investigated. To this end, a mixed-methods approach was adopted and the data was collected from 73 participants. A quasi-experiment was conducted to determine the effect of the vlogging project while a questionnaire and a retrospective self-report were utilised to obtain the participants’ views pertaining to their experience in creating vlogs. The findings indicate statistically significant improvement in the ESL students’ speaking scores. Additionally, the participants viewed the vlogging project positively and perceived it as a student-friendly learning tool which can also promote self-evaluation and function as a source of motivation. Drawing on the findings, ESL teachers should consider the pedagogical benefits of vlogs and incorporate them as an instructional technique in the language classrooms. This study indicates that the use of vlogs warrants further research in order to inform the feasibility and pedagogical impact of using vlogs to enhance students’ speaking skills.
    Źródło:
    Teaching English with Technology; 2022, 22, 1; 23-39
    1642-1027
    Pojawia się w:
    Teaching English with Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Classification and detection of skin disease based on machine learning and image processing evolutionary models
    Autorzy:
    Bordoloi, Dibyahash
    Singh, Vijay
    Kaliyaperumal, Karthikeyan
    Ritonga, Mahyudin
    Jawarneh, Malik
    Kassanuk, Thanwamas
    Quiñonez-Choquecota, Jose
    Powiązania:
    https://bibliotekanauki.pl/articles/38700501.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    skin disorder
    machine learning
    classification
    image enhancement
    image segmentation
    disease detection
    schorzenie skóry
    nauczanie maszynowe
    klasyfikacja
    ulepszenie obrazu
    segmentacja obrazów
    wykrywanie choroby
    Opis:
    Skin disorders, a prevalent cause of illnesses, may be identified by studying their physical structure and history of the condition. Currently, skin diseases are diagnosed using invasive procedures such as clinical examination and histology. The examinations are quite effective and beneficial. This paper describes an evolutionary model for skin disease classification and detection based on machine learning and image processing. This model integrates image preprocessing, image augmentation, segmentation, and machine learning algorithms. The experimental investigation makes use of a dermatology data set. The model employs the machine learning methods: the support vector machine (SVM), the k-nearest neighbors (KNN), and random forest algorithms for image categorization and detection. This suggested methodology is beneficial for the accurate identification of skin disease using image analysis. The SVM algorithm achieved an accuracy of 98.8%. The KNN algorithm achieved a sensitivity of 91%. The specificity of KNN was 99%.
    Źródło:
    Computer Assisted Methods in Engineering and Science; 2023, 30, 2; 247-256
    2299-3649
    Pojawia się w:
    Computer Assisted Methods in Engineering and Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-23 z 23

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