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Wyniki wyszukiwania dla: HUMAN–COMPUTER INTERFACES
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Computer Assisted Proof of the Existence of a Periodic Orbit in the Rössler Equations
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HMSE: A tool for coupling MODFLOW and HYDRUS-1D computer programs
PublikacjaA new software HMSE has been developed to facilitate external coupling between two well-known programs for subsurface flow modeling: MODFLOW-2005 (saturated zone flow) and HYDRUS-1D (unsaturated zone flow). Two coupling schemes have been implemented. In the first case the groundwater recharge flux is calculated by HYDRUS-1D assuming a fixed water table position and then passed to MODFLOW input files. In the second case the water...
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Polymerization and Structure of Opposing Polymer Brushes Studied by Computer Simulations
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Testing and tuning automated drives as a task for computer aided maintenance.
PublikacjaPublikacja dotyczy zagadnień wstępnego uruchamiania i utrzymania ruchu maszyn produkcyjnych wyposażonych w zautomatyzowane napędy. Zawarto krótki przegląd segmentów wspomagania komputerowego stosowanych w zakładowych systemach utrzymania ruchu oraz zwrócono uwagę na ich rozproszoną lokalizację w strukturach CIM. Opisano ogólną koncepcję układu nadzorującego właściwości napędu, zbudowanego jako system DAQ i mogącego znaleźć zastosowanie...
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Computer-aided analysis of thermal convection near electric devices
PublikacjaObciążalność długotrwała urządzeń elektrycznych zależy od intensywności oddawania ciepła przez te urządzenia do otoczenia. Dla zwiększenia obciążalności długotrwałej urządzeń stosuje się konwekcję wymuszoną np. z wykorzystaniem wentylatorów. Wszechstronne obserwacje i analiza procesów konwekcji naturalnej wskazują, że jej intensyfikację można uzyskać dzięki umieszczaniu w pobliżu urządzenia oddającego ciepło elementów tworzących...
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Descriptive geometry tasks with computer aided design for geodesy and cartography
PublikacjaZasady rzutowania topograficznego i środkowego stanowią teoretyczną podstawę dla kluczowych przedmiotów zawodowych na kierunku Geodezja i Kartografia, dlatego dobór zarówno treści nauczania jak i konkretnych zadań ćwiczeniowo-projektowych w ramach geometrii wykreślnej jest szczególnie istotny. W artykule na przykładzie tematów zadań rysunkowych omówiono zakres tematyczny z perspektywy dla danego kierunku studiów oraz sposoby jego...
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A Complete Design of Ducted Propellers Using the New Computer System
PublikacjaArtykuł przedstawia nowy system komputerowy do projektowania okrętowych układów napędowych dysza-śruba. Obliczenia oparte są na teorii linii nośnej, teorii powierzchni nośnej oraz na wynikach oryginalnych badań eksperymentalnych. System umożliwia optymalizację ukadu dysza-śruba z punktu widzenia maksymalnej sprawności napędowej, wytrzymałości, charakterystyk kawitacyjnych i poziomu wymuszeń niestacjonarnych. Przykład obliczeniowy...
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A Complete Design of Ship Propellers Using the New Computer System
PublikacjaArtykuł przedstawia nowy system komputerowy do projektowania śrub okrętowych. Obliczenia oparte są na teorii linii nośnej i teorii powierzchni nośnej. System umożliwia wielokryterialną optymalizację projektu z punktu widzenia sprawności napędowej, własności kawitacyjnych, wytrzymałości skrzydeł oraz poziomu generowanych wymuszeń niestacjonarnych.
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Computer-Aided Automated Greenery Design—Towards a Green BIM
PublikacjaContemporary climate challenges are changing the architect’s awareness, which results in a broader spectrum of interest. The available software enables the design of vegetation, but it is often very limited and requires specialist knowledge. The available software allows the creation of individual solutions based on visual algorithms or writing scripts; however, they are still not common methods used in architecture and urban planning....
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Framework for Structural Health Monitoring of Steel Bridges by Computer Vision
PublikacjaThe monitoring of a structural condition of steel bridges is an important issue. Good condition of infrastructure facilities ensures the safety and economic well-being of society. At the same time, due to the continuous development, rising wealth of the society and socio-economic integration of countries, the number of infrastructural objects is growing. Therefore, there is a need to introduce an easy-to-use and relatively low-cost...
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Human memory enhancement through electrical stimulation in the temporal cortex
PublikacjaDirect electrical stimulation of the human brain can elicit sensory and motor perceptions as well as recall of memories. Stimulating higher order association areas of the lateral temporal cortex in particular was reported to activate visual and auditory memory representations of past experiences (Penfield and Perot, 1963). We hypothesized that this effect could be used to modulate memory processing. Recent attempts at memory enhancement...
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Histogram of Gradients with Cell Average Intensity for Human Detection
PublikacjaThe modification of the descriptor in human detector using Histogram of Oriented Gradients and support vector machine is presented. The proposed modification requires inserting the average cell intensitiesresulting with the increase of the length of the descriptor from 3780 to 4200 values, but it is easy to compute and instantly gives 14-26% of miss rate improvement at 10^-4 False Positives Per Window (FPPW). The modification...
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Computer Aided Machine Design and Manufacturing (PG_00060425)
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IFI16 Impacts Metabolic Reprogramming during Human Cytomegalovirus Infection
PublikacjaCellular lipid metabolism plays a pivotal role in human cytomegalovirus (HCMV) infection, as increased lipogenesis in HCMV-infected cells favors the envelopment of newly synthesized viral particles. As all cells are equipped with restriction factors (RFs) able to exert a protective effect against invading pathogens, we asked whether a similar defense mechanism would also be in place to preserve the metabolic compartment from HCMV...
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the assessment of the noise-induced harmful effects based on the properties of human hearing system
PublikacjaA new way of assessment of noise-induced harmful effects on human hearing system is presented in the paper. The method takes into consideration properties of the human hearing system. The pro-posed method determines the cumulative impact on hearing system produced by the excessive noise. Based on the predicted effects of the noise exposure, the new types of noise indicators were developed. The evaluation of these indicators was...
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The noise-induced harmful effect assessment based on the properties of the human hearing system
PublikacjaA new way of assessment of noise-induced harmful effects on human hearing system is presented in the paper. The method takes into consideration properties of the human hearing system. The pro-posed method determines the cumulative impact on hearing system produced by the excessive noise. Based on the predicted effects of the noise exposure, the new types of noise indicators were developed. The evaluation of these indicators was...
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VIBRATION PROBLEMS OF AN EXAMPLE OF TEMPORARY STEEL GRANDSTAND UNDER HUMAN-INDUCED EXCITATION
PublikacjaLighter and slender structural members of a typical grandstand leads to a significant reduction in the frequencies, that is why such structures are more easily induced to vibrations. The aim of the present paper is to show the results of our experimental studies and the numerical analyses, focused on the behaviour of a part of a typical temporary steel grandstand under dynamic loads. The peak values of accelerations of a steel...
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Various approaches to a human preference analysis in a digital signage display design
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COMPUTER COMMUNICATIONS
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VISUAL COMPUTER
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Computer Optics
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Computer Software
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Destruction of shell structures under the dynamic load on the human skull trauma basis
PublikacjaThe main aim of this work is to investigate patterns of potential orbital bone fractures due to mechanical injuries. The solution of the main problem is followed by analysis of several testing examples having straight correlation with civil engineering structures, in which materials of wide range of stiffness are applied. To solve the main problem, the three-dimensional finite element method (FEM) model of the orbital region has...
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Determination of Formaldehyde and Cyanide Ion in Human Nasal Discharge by Using Simple Spectrophotometric Methods
PublikacjaEnvironmental tobacco smoke (ETS) contains many toxic compounds which include substances classified as aldehydes (e.g. formaldehyde) and inorganic substances such as cyanide ions. The information on the determination of these compounds in water is available, but the monitoring data on the level of these substances in human body fluids are still lacking. In this work the procedure for determining cyanide ions and formaldehyde in...
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Membrane model of human abdominal wall. Simulations vs. in vivo measurements
PublikacjaThe study presents a methodology of defining a numerical model of human abdominal wall based on the experimentally registered data of the abdomen geometry due to variations of the intraabdominal pressure. The abdominal wall is modelled here as a simple homogeneous membrane structure made of linear orthotropic material The displacements registered during the increase of pressure are compared with the re-sults of the model static...
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Structural, functional, and stability change predictions in human telomerase upon specific point mutations,
PublikacjaOverexpression of telomerase is one of the hallmarks of human cancer. Telomerase is important for maintaining the integrity of the ends of chromosomes, which are called telomeres. A growing number of human disease syndromes are associated with organ failure caused by mutations in telomerase (hTERT or hTR). Mutations in telomerase lead to telomere shortening by decreasing the stability of the telomerase complex, reducing its accumulation,...
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Neurotrophic factors in human milk in early lactation and the effect of Holder and microwave pasteurization on their concentrations
PublikacjaObjective: The objective of this study was to determine the level of brain-derived neurotrophic factor (BDNF) and glial cell line-derived neurotrophic factor (GDNF) in human milk in the first two weeks of breastfeeding and compare of the effects of Holder pasteurization (HoP, 62.5°C, 30 minutes) and microwave pasteurization (MP) at constant temperature (62.5°C) on the concentraion of both neurotrophic factors (NFs). Methods: Concentration...
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ANN for human pose estimation in low resolution depth images
PublikacjaThe paper presents an approach to localize human body joints in 3D coordinates based on a single low resolution depth image. First a framework to generate a database of 80k realistic depth images from a 3D body model is described. Then data preprocessing and normalization procedure, and DNN and MLP artificial neural networks architectures and training are presented. The robustness against camera distance and image noise is analysed....