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The effects of using a lightweight HMD as a personal viewing system were examined. When used in this manner, with head-tracking disabled, a sensory conflict which is novel for simulations arises: head movements are detected by the vestibular system but not by the visual system. To investigate the effects of this conflict, ratings of a number of symptoms were reported by 20 subjects before and after...
We measured the reflectance and contrast of four kinds of reflective liquid crystal displays (LCDs) under various ambient illuminations in offices. The reflectance and contrast of the reflective LCDs were then measured in a dark room using several measurement methods. These measurements in a dark room were compared with the results of the measurements under various ambient illuminations. From these...
A new color image fusion scheme is applied to visible and thermal images of military relevant scenarios. An observer experiment is performed to test if the increased amount of detail in the fused images can improve the accuracy of observers performing a detection and localization task. The results show that observers can localize a target in a scene (1) with a significantly higher accuracy, and (2)...
In order to assess the relevance of colour coding of severity in a nuclear control board, a repetition priming measure was adapted. Fourteen operators were presented with a list of alarms taken from their display, and asked either to pay attention to their colour, or to pay attention to their severity. Then they rated the colour of studied and non-studied warnings presented without their colours....
Electroluminescent polycrystalline ZnS:Mn films with luminance output of 10 3 cd m -2 and luminous efficiency of 0.6 lm W -1 (λ=585 nm) have been obtained by the DTC-CVD method: simultaneous pyrolysis of zinc and manganese dithiocarbamates at a temperature of 200-300°C at atmospheric pressure in a non-sealed system and at a growth rate of 10 3 9 min -...
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