نتایج جستجو برای: luminance meter
تعداد نتایج: 33447 فیلتر نتایج به سال:
Pseudoisochromatic stimuli have been widely used to evaluate color discrimination and to identify color vision deficits. Luminance noise is one of the stimulus parameters used to ensure that subject's response is due to their ability to discriminate target stimulus from the background based solely on the hue between the colors that compose such stimuli. We studied the influence of contrast modu...
In normal human visual behavior, our visual system is continuously exposed to abrupt changes in the local contrast and mean luminance in various parts of the visual field, as caused by actual changes in the environment, as well as by movements of our body, head, and eyes. Previous research has shown that both threshold and suprathreshold contrast percepts are attenuated by a co-occurring change...
This study describes intelligent transport image sensor communication (ITS-ISC) systems that use LED arrays as transmitters imitate traffic lights. Three signal-transmission schemes -luminance modulation, spatial and combined luminance modulation- array. However, their suitability for ITS-ISC has not been explored yet. Therefore, we compare the performance of these three under strong saturation...
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