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A Comparison of Scene Change Localization Methods over the Open Video Scene Detection Dataset
Panchenko, Taras,Bieda, Igor International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.6
Scene change detection is an important topic because of the wide and growing range of its applications. Streaming services from many providers are increasing their capacity which causes the industry growth. The method for the scene change detection is described here and compared with the State-of-the-Art methods over the Open Video Scene Detection (OVSD) - an open dataset of Creative Commons licensed videos freely available for download and use to evaluate video scene detection algorithms. The proposed method is based on scene analysis using threshold values and smooth scene changes. A comparison of the presented method was conducted in this research. The obtained results demonstrated the high efficiency of the scene cut localization method proposed by authors, because its efficiency measured in terms of precision, recall, accuracy, and F-metrics score exceeds the best previously known results.
Panchenko, Vladimir,Dombrovska, Svitlana,Samchyk, Maksym,Mykhailyk, Nataliia,Chabaniuk, Odarka International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.3
The main purpose of the study is to determine the main aspects of the introduction of modern management technologies into the security system in the context of socio-economic development and digitalization of the economy. Socio-economic development and a high level of security include growth in income, labor productivity, production volumes, increased competitiveness, changes in the institutional environment, consciousness, activity, social security, the quality of the education system, healthcare, etc. Despite the root cause of economic development, it is not an end in itself, but a tool for ensuring social development. Gaining access for citizens to education, health care, observance of the principles of equality and justice, ensuring protection are directly dependent on the level of economic well-being, the level of economic potential of the country or regions. The research methodology involved the use of both theoretical and practical methods. As a result of the study, the key elements of the introduction of modern management technologies into the security system in the context of socio-economic development and digitalization of the economy were identified.
Panchenko, Valentina N.,Timofeeva, Maria N.,Jhung, Sung Hwa Taylor Francis 2016 Catalysis reviews: science and engineering Vol.58 No.2
<P>This article summarizes several approaches for understanding the catalytic chemistry and structure-surface acidity-reactivity relationships in a multiplicity of catalytic applications of a continually increasing assemblage of metal-organic frameworks (MOFs) structures. The various spectroscopic techniques for acid-base characterization of MOFs are reviewed. The experimental requirements and the type and nature of probe molecules available are also discussed. Special emphasis is given to the revealing of the surface acid-base effect on the catalytic performance of MOFs.</P>
The Role of Informal Institutions in the Development of the Financial Services Market
Dubyna, Maksym,Panchenko, Olena,Bazilinska, Olena,Donkohlova, Tetyana,Shpomer, Alla,Rudenko, Oksana International Journal of Computer ScienceNetwork S 2021 International journal of computer science and netw Vol.21 No.11
The aim of the article is to study the role of informal institutions in the development of the financial services market. The study outlines the concepts of scholars to identify the main types of informal institutions. The mechanism of research of influence of the informal factor on functioning of economic object is developed. The main types of informal institutions are systematized. The main informal institutions influencing the development of the financial services market are considered. The application of a synergetic approach to the consideration of the impact of the institution of trust on the financial services market is proposed.
Effective Methods for Heart Disease Detection via ECG Analyses
Yavorsky, Andrii,Panchenko, Taras International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.5
Generally developed for medical testing, electrocardiogram (ECG) recordings seizure the cardiac electrical signals from the surface of the body. ECG study can consequently be a vital first step to support analyze, comprehend, and expect cardiac ailments accountable for 31% of deaths globally. Different tools are used to analyze ECG signals based on computational methods, and explicitly machine learning method. In all abovementioned computational simulations are prevailing tools for cataloging and clustering. This review demonstrates the different effective methods for heart disease based on computational methods for ECG analysis. The accuracy in machine learning and three-dimensional computer simulations, among medical inferences and contributions to medical developments. In the first part the classification and the methods developed to get data and cataloging between standard and abnormal cardiac activity. The second part emphases on patient analysis from entire ECG recordings due to different kind of diseases present. The last part represents the application of wearable devices and interpretation of computer simulated results. Conclusively, the discussion part plans the challenges of ECG investigation and offers a serious valuation of the approaches offered. Different approaches described in this review are a sturdy asset for medicinal encounters and their transformation to the medical world can lead to auspicious developments.
Krupa, Oksana,Panchenko, Vladimir,Dydiv, Iryna,Borutska, Yuliia,Shcherbatiuk, Nataliia International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.1
The main purpose of the study is to determine information and communication technologies for the innovative development of tourism training in higher education institutions in the context of COVID-19. Innovative development is associated with the rejection of well-known cliches, stereotypes in teaching, upbringing and personal development, creates new standards for personal-creative, individually directed tourism activities, develops pedagogical technologies implemented in this activity. As a result, the main aspects of information and communication technologies for the innovative development of tourist training in higher education institutions in the context of COVID-19 were characterized.
A Systematic Mapping Study on Artificial Intelligence Tools Used in Video Editing
Bieda, Igor,Panchenko, Taras International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.3
From the past two eras, artificial intelligence has gained the attention of researchers of all research areas. Video editing is a task in the list that starts leveraging the blessing of Artificial Intelligence (AI). Since AI promises to make technology better use of human life although video editing technology is not new yet it is adopting new technologies like AI to become more powerful and sophisticated for video editors as well as users. Like other technologies, video editing will also be facilitated by the majestic power of AI in near future. There has been a lot of research that uses AI in video editing, yet there is no comprehensive literature review that systematically finds all of this work on one page so that new researchers can find research gaps in that area. In this research we conducted a statically approach called, systematic mapping study, to find answers to pre-proposed research questions. The aim and objective of this research are to find research gaps in our topic under discussion.
Kozlova, Ekaterina A.,Panchenko, Valentina N.,Hasan, Zubair,Khan, Namzul Abedin,Timofeeva, Maria N.,Jhung, Sung Hwa Elsevier 2016 CATALYSIS TODAY - Vol.266 No.-
<P><B>Abstract</B></P> <P>The effect of metal ions and functional groups in organic ligands on the photocatalytic properties of metal-carboxylates, such as isostructural MIL-100(M) (M=Al, Fe, V, and Cr), isoreticular UiO-66-R (R=H, NH<SUB>2</SUB>, and NO<SUB>2</SUB>), MIL-47(V), and MIL-125(Ti), was investigated using the decolorization of methylene blue in aqueous solution at pH 7.0 and 20°C under UV radiation. The metal-carboxylates were characterized by diffuse reflectance UV/vis measurements. The determination of the band gap (<I>E</I> <SUB> <I>g</I> </SUB>) on the basis of DR-UV/vis measurements showed that <I>E</I> <SUB> <I>g</I> </SUB> values correlate with ionic covalent parameters, i.e., the strength of the interaction between metal and oxygen in the “M<SUP>+<I>n</I> </SUP>-O<SUP>2−</SUP> pair. According to DR-UV/vis spectroscopic and catalytic investigations, the reactivity of metal-carboxylates correlated with the band-gap value (<I>E</I> <SUB> <I>g</I> </SUB>), which could be adjusted by varying the nature of the metal ions in SBUs or functional groups in the organic ligands.</P> <P><B>Highlights</B></P> <P> <UL> <LI> The photocatalytic decolorization of methylene blue dye in aqueous solution was studied. </LI> <LI> Isostructural MIL-100(M) (M=Al, Fe, V and Cr) materials were used as photocatalysts. </LI> <LI> Reactivity of isostructural MIL-100(M) materials depends on the type of metal ions. </LI> <LI> Isoreticular UiO-66-R (H, NH<SUB>2</SUB> and NO<SUB>2</SUB>) materials were used as photocatalysts. </LI> <LI> Reactivity of isoreticular UiO-66-R materials depends on the functional groups in organic ligands. </LI> </UL> </P>
Modern Tendencies of Digitalization of the Financial Services Sphere
Krylov, Denys,Papaika, Oleksandr,Panchenko, Olena,Pylevych, Dmytro,Kozlianchenko, Olena,Konoplia, Nataliia International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.2
The article is devoted to clarifying current trends in the digitalization of financial services. To this end, the evolution of this process in the financial sector was studied and six stages of its development were identified. The components of successful implementation of digitalization in the field of financial services and its tasks are outlined. It was found that fintech companies, which work to achieve effective interaction between the financial sector and innovative technologies in the use of mobile applications in order to most fully and quickly meet the needs of customers with financial services, are of great importance for the formation and development of digitalization in financial services. Current trends in the digitalization of financial services in Ukraine based on the use of fintech in general and banking institutions in particular are presented.
Impact of Military Actions on the EU Labor Market
Kopytko, Marta,Franchuk, Vasyl,Panchenko, Vladimir,Viunyk, Olha,Myshchyshyn, Olha International Journal of Computer ScienceNetwork S 2022 International journal of computer science and netw Vol.22 No.5
The main purpose of the study is to analyze the main aspects of the impact of military actions on the EU labor market. The research methodology includes modern theoretical methods and methods for analyzing the state of the EU labor market. The war in Ukraine changed not only the economy of one country, but the whole continent. The European Union has very sensitively felt the changes brought about by the military actions on the territory of Ukraine. Military actions on the territory of Ukraine are a destructive factor in the labor market. Today, the main task of economic recovery is to minimize the consequences of humanitarian problems and preserve human potential, which is an important source of business activity. Based on the results of the study, we have identified key aspects of the impact of military actions on the EU labor market.