نتایج جستجو برای: lightings
تعداد نتایج: 97 فیلتر نتایج به سال:
In this paper, a person following behaviour for a mobile robot is presented. The head of the person is located using skin colour detection. Then, a control loop is fed with the camera movements required to put the upper part of the person in the center of the image. The algorithm was tested in different moms of a research lab. It performed well in all lightings except in direct sunlight. Since ...
This paper describes about a new method for reconstructing a shape of a skin surface replica from three shading images taken with three di erent lightings. Since the shading images include shadows caused by surface height uctuation, the conventional photometric stereo method is not suitable for reconstructing its surface shape. In the proposed method, the evaluation function of the surface shap...
In this paper, a Pareto multiobjective optimization is performed to design new luminaires, finding the optimal forward current, number of LEDs and proper heatsink by taking into account the cost, the energy consumption and the impact on the environment (life cycle analysis from cradle to grave). Three commercialized white LEDs have been studied and modelled in terms of optical, electrical, ther...
Background and aims: In accomplishing attention-consuming tasks, mental fatigue reduces productivity and increases error rate as the factors involved in work accidents. The present research goal was to study the effects of sleep quality and mental fatigue on attention and reaction time in the thermal comfort condition. Methods: This experimental research was conducted on 33 university students...
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