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Search results for: EMOTION REPRESENTATION MODELS
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Estimation of Vehicle Energy Consumption at Intersections Using Microscopic Traffic Models
PublicationThis paper addresses issues related to modeling energy consumption and emissions using microscopic traffic simulations. This paper develops a method in which a traffic model is used to calculate the energy needed to travel through selected types of intersections. This paper focuses on energy consumption and derived values of calculated energy, which can be, for example, carbon dioxide emissions. The authors present a review of...
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AffecTube — Chrome extension for YouTube video affective annotations
PublicationThe shortage of emotion-annotated video datasets suitable for training and validating machine learning models for facial expression-based emotion recognition stems primarily from the significant effort and cost required for manual annotation. In this paper, we present AffecTube as a comprehensive solution that leverages crowdsourcing to annotate videos directly on the YouTube platform, resulting in ready-to-use emotion-annotated...
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Rapid Design Centering of Multi-Band Antennas Using Knowledge-Based Inverse Models and Response Features
PublicationAccounting for manufacturing tolerances as well as uncertainties concerning operating conditions and material parameters is one of the important yet often neglected aspects of antenna development. Appropriate quantification of uncertainties allows for estimating the fabrication yield but also to carry out robust design (e.g., yield maximization). For reliability reasons, statistical analysis should be executed at the accuracy level...
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Low-Cost Quasi-Global Optimization of Expensive Electromagnetic Simulation Models by Inverse Surrogates and Response Features
PublicationConceptual design of contemporary high-frequency structures is typically followed by a careful tuning of their parameters, predominantly the geometry ones. The process aims at improving the relevant performance figures, and may be quite expensive. The reason is that conventional design methods, e.g., based on analytical or equivalent network models, often only yield rough initial designs. This is especially the case for miniaturized...
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Rapid multi-objective optimization of antennas using nested kriging surrogates and single-fidelity EM simulation models
PublicationEver increasing performance requirements make the design of contemporary antenna systems a complex and multi-stage process. One of the challenges, pertinent to the emerging application areas but also some of the recent trends (miniaturization, demands for multi-functionality, etc.), is the necessity of handling several performance figures such as impedance matching, gain, or axial ratio, often over multiple frequency bands. The...
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Sano-Tachiya-Noolandi-Hong, Onsager and Braun models vs Monte Carlo simulation of charge photogeneration in organic solids
PublicationThe Sano-Tachiya-Noolandi-Hong (STNH), Onsager, and Braun models as well as Monte Carlo (MC) simulations of charge recombination/separation have been applied for the first time to reproduce the results of the electromodulated photoluminescence measurements in vacuum-evaporated films of fluorescent materials commonly used in optoelectronic devices. The values of the electron-hole pair final recombination speed in the monomer emitters:...
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Marzena Starnawska dr
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A single and triple-objective mathematical programming models for assignment of services in a healthcare institution
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“Silver Economy” Models in the European Union in the Comparative Approach: An Attempt to Introduce Discussion
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Cadmium tri-tert-butoxysilanethiolates. Structural and spectroscopic models of metal sites in proteins.
PublicationW publikacji opisano syntezy i struktury dla dwóch heteroleptycznych kompleksów kadmu z rdzeniem CdS2NO2 i CdS2N2. Bis(tri-tert-butoksysilanotiolato)(1-metyloimidazol)kadmu(II) oraz bis(tri-tert-butoksysilanotiolato)bis(1-metyloimidazol)kadmu(II) współistnieją w roztworze chloroformu przy różnych stężeniach Bis(tri-tert-butoksysilanotiolanu) kadmu(II) i 1 metyloimidazolu. Rotzwór ten został scharakteryzowany za pomocą analizy spektralnej...
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Risk factors assessment and risk prediction models in lung cancer screening candidates
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Application of Spatial Models in Making Location Decisions of Wind Power Plant in Poland
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Comparison of the Toxicity of Pristine Graphene and Graphene Oxide, Using Four Biological Models
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Simplifying biochemical tumorous bone remodeling models through variable order derivatives
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Comparison of numerical models of impact force for simulation of earthquake-induced structural pounding
PublicationW artykule przedstawiono porównanie trzech modeli numerycznych służących do symulacji siły zderzenia w czasie kontaktu pomiędzy konstrukcjami budowlanymi podczas trzęsień ziemi. Efektywność każdego z modeli zbadano porównując wyniki analiz numerycznych z wynikami badań eksperymentalnych. Wyniki pracy pokazują, iż nieliniowy model lepkosprężysty najdokładniej symuluje przebieg czasowy siły zderzenia w czasie kontaktu.
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What Can Be Observed Locally? Round based models for quantum distributed computing
PublicationW pracy rozważono zagadnienie lokalności w kontekście informacji kwantowej w obliczeniach rozproszonych. Rozważono dwa kwantowe rozszerzenia modelu LOCAL Liniala, otrzymane poprzez: (1) inicjalizację systemu w kwantowym stanie splątanym, (2) zastosowanie kwantowych kanałów komunikacyjnych. Dla obydwu typów rozszerzeń zaproponowano przykłady problemów, których złożoność rundowa ulega redukcji w porównaniu do oryginalnego modelu...
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The operational method of filling information gaps in satellite imagery using numerical models
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Assessment of the effect of vegetation on the transition of the flood wave using hydraulic 2D models
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Sensitivity of binomial N‐mixture models to overdispersion: The importance of assessing model fit
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Implementation of didactic simulation models in Open Source and SCORM compliant LMS systems.
PublicationModele symulacyjne są cenną pomocą w procesie dydaktycznym. Ich zastosowanie w systemach komputerowego wspomagania nauczania znacząco podnosi ich efektywność oraz pozwala na przeprowadzanie wirtualnych ćwiczeń laboratoryjnych (na przykład podczas nauczania na odległość). Niestety stosowane obecnie systemy LMS (Lerning Management System) nie są zadowalająco przystosowane do obsługi symulacyjnej zawartości dydaktycznej. W artykule...
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Real and virtual enviromnents in environmental engineering: approaches, models, technologies, and critical issues.
PublicationW pracy scharakteryzowano zagadnienia związane z projektowaniem systemów uwzględniającym ochronę środowiska.
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Optimal input design using sensitivity criterion for parametric identification of pharmacokinetic models
PublicationPrzedstawiono identyfikację parametryczną kompartmentowych modeli SISO zmiennych stanu systemów farmakokinetycznych. Struktura modelu formułowana jest na podstawie wiedzy a priori. Początkowe estymaty parametrów obliczane są w oparciu o pomiary zgromadzone w eksperymencie intuicyjnym. Na ich podstawie projektowane jest pobudzenie optymalne, które zapewnia najlepszą dokładność estymat parametrów. Przedstawiono optymalizację czułościową...
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Structural properties of water: Comparison of the SPC, SPCE, TIP4P and TIP5P models of water
PublicationDla czterech najpopularniejszych modeli wody obliczono wartości entropii absolutnej ciekłej wody w temperaturze 298 K, średnią liczbę wiązań wodorowych tworzonych przez cząsteczkę wody, średni czas życia wiązania wodorowego, średni czas życia cząsteczki wody w stanie związanym (gdy tworzy ona co najmniej jedno wiązanie wodorowe) oraz średnią energię wiązania wodorowego. Otrzymane rezultaty porównano z eksperymentem. Uzyskane wyniki...
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Compatible DC and small-signal MOSFET models for radio and microwave frequency simulation
PublicationZaprezentowano nowy model stałoprądowy tranzystora MOS i kompatybilny z nim uogólniony nie-quasi-statyczny model małosygnałowy. Model stałoprądowy został eksperymentalnie zweryfikowany dla tranzystorów MOS o długości kanału od 75 nm do kilkunastu mikrometrów, a model małosygnałowy od zera herców do 30 GHz.
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Early stage of critical clusters growth in phenomenological and Molecular Dynamic simulation models.
PublicationOpisano proces kondensacji pary wodnej w ujĘciu fenomenologicznymi dynamiczno-molekularnym. Wczesne fazy wzrostu klastra opisano w ramach klasycznej teorii Hertza-Knudsena. Obszernie przedstawiono wyniki symulacji dynamiczno-molekularnych zjawiska kondensacji pary wodnej z jednorodnej fazy gazowej (przebieg powstawania małych klastrów H2O i szybkość wzrostu klastrów ponadkrytycznych).
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Testing interaction models by using x-ray absorption spectroscopy: solid Pb
PublicationPraca prezentuje zastosowanie metody EXAFS jako narzędzia do testowania potencjałów oddziaływań międzyatomowych używanych w symulacjach dynamiczno-molekularnych na przykładzie czystego ołowiu w fazie stałej (od temperatury pokojowej do temperatury topnienia). Testowaniu poddano następujące potencjały: dwuciałowy empiryczny potencjał Dzugutova, Larssona i Ebbsjo (DLE), potencjał ciasnego wiązania (TB) i potencjał w modelu osadzonego...
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A concept of application of the technical state change models of devices inship operation process
PublicationPrzedstawiono warunki zastosowania modeli zmian stanu technicznego urządzeń siłowni okrętowej w trakcie eksploatacji statku, koncepcję prognozowania zasobu godzin pracy urządzeń w zmiennych warunkach pływania oraz planowania obsług profilaktycznych.
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Proteins Structure Models in the Evaluation of Novel Variant (C.472_477del) in the MOCS2 Gene
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Estimation of the excitation variances of speech and noise AR-models for enhanced speech coding
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Investigating Human Visual Behavior by Hidden Markov Models in the Design of Marketing Information
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Iterative‐recursive estimation of parameters of regression models with resistance to outliers on practical examples
PublicationHere, identification of processes and systems in the sense of the least sum of absolute values is taken into consideration. The respective absolute value estimators are recognised as exceptionally insensitive to large measurement faults or other defects in the processed data, whereas the classical least squares procedure appears to be completely impractical for processing the data contaminated with such parasitic distortions. Since...
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Specificity of Infant Digestive Conditions: Some Clues for Developing Relevant In Vitro Models
PublicationDigestion of nutrients is an essential function of the newborn infant gut to allow growth and development and understanding infant digestive function is essential to optimize nutrition and oral drug delivery. Ethical considerations prohibit invasive in vivo trials and as a consequence in vitro assays are often conducted. However, the choice of in vitro model parameters are not supported by an exhaustive analysis of the literature...
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Application of the simplified models to inverse flood routing in upper Narew river(Poland)
PublicationW pracy przedstawiono rozwiązanie zagadnienia odwrotnej transformacji przepływów z zastosowaniem uproszczonych modeli. Zastosowano model fali kinematycznej oraz równanie retencji. W pierwszym przypadku równanie całkowano w kierunku malejącego czasu zaś w drugim w kierunku przeciwnym do przepływu. Wykazano, że obydwa podejścia są równoważne. Modele zastosowano dla górnego odcinka Narwi.
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Consensus models: Computational complexity aspects in modern approaches to the list coloring problem
PublicationArtykuł poświęcony jest nowym modelom konsensusowego kolorowania grafów. Artykuł zawiera omówienie trzech takich modeli, analizę ich złożoności obliczeniowej oraz wielomianowy algorytm dla częściowych k-drzew, dla tzw. modelu addytywnego.
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Early stage of critical clusters growth in phenomenological and Molecular Dynamic simulation models
PublicationW artykule opisano wzrost klastrów krytycznych w ramach klasycznego podejścia fenomenologicznego oraz dynamiczno-molekularnego (MD). Została wyprowadzona nowa formuła opisujaca liczbę klastrów krytycznych. Sformułowano równania opisujace wczesne etapy wzrostu kropli o rozmiarach krytycznych. Opisano wyniki symulacji dynamiczno-molekularnych powstawania klastrów w jednorodnej parze przesyconej oraz podano czasowe zmiany rozkładu...
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Environmentally Oriented Models and Methods for the Evaluation of Drug x Drug Interaction Effects
PublicationThis detailed review compares known and widely used methods for drug interaction estimation, some of which now have historical significance. Pharmaceutical application has been noted as far back as several thousand years ago. Relatively late in the 20th century, however, researchers became aware that their fate and metabolism, which still remain a great challenge for environmental analysts and risk assessors. For the patient’s...
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Accuracy Investigations of Turbine Blading Neural Models Applied to Thermal and Flow Diagnostics
PublicationPossibility of replacing computional fluid dynamics simulations by a neural model for fluid flow and thermal diagnostics of steam turbines is investigated. Results of calculations of velocity magnitude of steam for 3D model of the stator of steam turbine is presented.
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The analysis of the accuracy of spatial models using photogrammetric software: Agisoft Photoscan and Pix4D
PublicationThis article was created as a result of research conducted within the master thesis. The purpose of the measurements was to analyze the accuracy of the positioning of points by computer programs. Selected software was a specialized computer software dedicated to photogrammetric work. For comparative purposes it was decided to use tools with similar functionality. As the basic parameters that affect the results selected the resolution...
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Influence of datasets decreased by applying reduction and generation methods on Digital Terrain Models
PublicationThe number of point clouds provided by LiDAR technology can be sometimes seen as a problem in development and further processing for given purposes (e.g. Digital Terrain Model (DTM) generation). Therefore, there is still a need to reduce the obtained big datasets. Reducing can be done, inter alia, by reducing the size of the set or by generating the set. This paper presents two variants of the reduction of point clouds in order...
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Inverse surrogate models for fast geometry scaling of miniaturized dual-band couplers
PublicationRe-design of microwave structures for various sets of performance specifications is a challenging task, particularly for compact components where considerable electromagnetic (EM) cross-couplings make the relationships between geometry parameters and the structure responses complex. Here, we address geometry scaling of miniaturized dual-band couplers by means of inverse surrogate modeling. Our approach allows for fast estimation...
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Telomere uncapping by common oxidative guanine lesions: Insights from atomistic models
PublicationOxidative damage to DNA is widely known to contribute to aging and disease. This relationship has been extensively studied for telomeres – structures that cap chromosome ends – due to their role in cell proliferation and senescence, and exceptional susceptibility to oxidation. Indeed, the repetitive telomeric DNA sequence contains the 5′-GGG-3′ motif that has the lowest ionization potential of all trinucleotides. Accordingly, experiments...
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Structural and Temporal Topic Models of Feedbacks on Service Quality – A Path to Theory Development?
PublicationThere is growing interest in applying computational methods in analysing large amount of data without sacrificing rigour in Information Systems research. In this paper, we demonstrate how the use of structural and temporal topic modelling can be employed to produce insights of both theoretical and practical importance from the analysis of textual comments on the quality of services in hospitals. As a first step, we revealed the...
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Fast Antenna Optimization Using Gradient Monitoring and Variable-Fidelity EM Models
PublicationAccelerated simulation-driven design optimization of antenna structures is proposed. Variable-fidelity electromagnetic (EM) analysis is used as well as the trust-region framework with limited sensitivity updates. The latter are controlled by monitoring the changes of the antenna response gradients. Our methodology is verified using three compact wideband antennas. Comprehensive benchmarking demonstrates its superiority over both...
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Modelling of strain localization in quasi-brittle materials with non-local continuum models
PublicationW artykule przedstawiono wyniki numerycznej lokalizacji odkształceń w elementach betonowych przy zastosowaniu modelu sprężysto-plastycznego i modelu z degradacja sztywności. Do opisu rys, model rozszerzono o składniki nielokalne. Obliczenia wykonano dla prostych problemów brzegowych
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Victor Eremeev prof. dr hab.
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Switched-capacitor DC-DC converters in arbitrary switching mode - topologically derived resistive models based on incremental graph approach.
PublicationIn the preceding paper we reviewed some of modeling approaches aimed at systematic formulation and solution of switched capacitor DC-DC converters. In our review, special attention was paid to computationally efficient and mathematically elegant methods. In so doing we had tried to demonstrate the virtues of unified Incremental Graph (IG) approach. Incremental Graph is, in concept, a tool originally created for analysis and synthesis...
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Fast EM-Driven Nature-Inspired Optimization of Antenna Input Characteristics Using Response Features and Variable-Resolution Simulation Models
PublicationUtilization of optimization technique is a must in the design of contemporary antenna systems. Often, global search methods are necessary, which are associated with high computational costs when conducted at the level of full-wave electromagnetic (EM) models. In this study, we introduce an innovative method for globally optimizing reflection responses of multi-band antennas. Our approach uses surrogates constructed based on response...
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Results and models for Novel high frequency components with non-conventional shape employing smooth geometry deformation of 3D solid with FFD
Open Research DataThe project aims to investigate the possibility of developing and manufacturing novel high frequency devices having non-standard geometries, allowing for improved electromagnetic performance over what is achievable with currently available design tools. The non-conventional geometry will be obtained by employing the free-form shape deformation technique...
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Correlation–polarization effects in electron/positron scattering from acetylene: A comparison of computational models
PublicationDifferent computational methods are employed to evaluate elastic (rotationally summed) integral and differential cross sections for low energy (below about 10 eV) positron scattering off gas-phase C2H2 molecules. The computations are carried out at the static and static-plus-polarization levels for describing the interaction forces and the correlation–polarization contributions are found to be an essential component for the correct...
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SCRAMBLE’N’GAMBLE: a tool for fast and facile generation of random data for statistical evaluation of QSAR models
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