Results 211 to 220 of about 12,007 (265)
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An algorithm for shading of regions on vector display devices
Proceedings of the 6th annual conference on Computer graphics and interactive techniques, 1979The display of shaded polygons by line, cross-hatch, and dot patterns on vector devices is a task frequently used in computer graphics and computer cartography. In applications such as the production of shaded maps polygon shading turns out to be critical with respect to time requirements, and the development of efficient algorithms is of importance.
Kurt E. Brassel, Robin Fegeas
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SHaDe, a new 3-DOF haptic device
IEEE Transactions on Robotics and Automation, 2002This paper presents a new type of haptic device using spherical geometry. The basic idea of haptic devices is to provide users with feedback information on the motion and/or force that he or she generates. Haptic devices have several potential applications such as, for example, fine compliant assembly, VR environment simulation, and high-precision ...
Lionel Birglen +4 more
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An Approach to Designing An Optimal Shading Device
Architectural Science Review, 2002This study suggests an approach for determining the most suitable types of external shading devices that will allow an optimal view of the exterior for windows with various orientations. In this approach firstly, the period of protection required must be assessed, then the type of shading device may be chosen for a given window by consideration of the ...
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An a priori Shading Correction Technique for Contact Imaging Devices
IEEE Transactions on Image Processing, 2011Digital imaging devices are increasingly used for color measurements in fields such as forensics, the food industry, and ecological and medical research. Especially concerning the skin, in the follow-up of benign or malignant lesions, it is crucial to ensure that the measured colors are accurate and reproducible.
Alexandre Delalleau +2 more
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International Journal of Sustainable Development and Planning, 2022
The optimal shading system plays a significant role in a sustainable environment in controlling the amount of excessive sunlight and reducing the thermal discomfort of occupants. External shading device requires many design considerations such as solar altitude, control strategies, and aesthetics to control solar gain, improve the visual environment ...
Thet Su Hlaing, Shoichi Kojima
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The optimal shading system plays a significant role in a sustainable environment in controlling the amount of excessive sunlight and reducing the thermal discomfort of occupants. External shading device requires many design considerations such as solar altitude, control strategies, and aesthetics to control solar gain, improve the visual environment ...
Thet Su Hlaing, Shoichi Kojima
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Transparent Shading Device as Daylighting System
Building Integration Solutions, 2006Most shading device systems installed in windows or glass walls are used only for protection from overheating and glare, neglecting other possible functions, such as increasing the daylight level in the space or collecting solar energy. The blinds are usually made of opaque or translucent materials, and if they are partially or completely closed, a ...
Svetlana Olbina, Yvan Beliveau
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Genetic optimization of external fixed shading devices
Energy and Buildings, 2014In the present paper a genetic optimization (GO) has been carried out on an office room with a south facing window in order to design an optimal fixed shading device. Two different glazing systems have been taken into account, one standard double glass and an high performance glazing system specifically designed to prevent high sun loads.
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Evaluation of the Shading Efficiency of the Shading Devices Installed in the Tram Stations in Athens
2013The purpose of this study is to evaluate the shading devices installed in the stations of the Athenian tram, in regard to the shading efficiency they provided during summer months and for the time period from 9:00 to 17:00, which is the time period of the day with the greatest solar intensity.
Christos Gousis, Ioannis Tzouvadakis
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Optimization of Photovoltaic Integrated Shading Devices
Indoor and Built Environment, 2010This study investigated methods of optimizing the operation of photovoltaic (PV) integrated shading devices to attain their maximum benefits to indoor spaces and occupants. A shading device consisting of multiple adjustable louvers coated with PV cells was examined. A motor adjusted the blind angle of the louvers.
Jong-Jin Kim +3 more
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Reliability and accuracy of four dental shade-matching devices
The Journal of Prosthetic Dentistry, 2009There are several electronic shade-matching instruments available for clinical use, but the reliability and accuracy of these instruments have not been thoroughly investigated.The purpose of this in vitro study was to evaluate the reliability and accuracy of 4 dental shade-matching instruments in a standardized environment.Four shade-matching devices ...
Seungyee, Kim-Pusateri +3 more
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