منابع مشابه
Four-color laser white illuminant demonstrating high color-rendering quality.
Solid-state lighting is currently based on light-emitting diodes (LEDs) and phosphors. Solid-state lighting based on lasers would offer significant advantages including high potential efficiencies at high current densities. Light emitted from lasers, however, has a much narrower spectral linewidth than light emitted from LEDs or phosphors. Therefore it is a common belief that white light produc...
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In order to gain a deeper understanding of the appearance of coloured objects in a three-dimensional scene, the research introduces a multidisciplinary experimental approach. The experiment employed two identical 3-D Mondrians, which were viewed and compared side by side. Each scene was subjected to different lighting conditions. First, we used an illumination cube to diffuse the light and illu...
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This paper investigates a novel approach to rendering color information from pictures as haptic feedback at the fingers. Our approach uses a 1D haptic rotary display to render the color information to the fingers using sinusoidal textures of different frequency and amplitude. We tested 12 subjects on their ability to associate colors laid out in a spatially irregular pattern with haptic feedbac...
متن کاملIsoluminant color picking for non-photorealistic rendering
The physiology of human visual perception helps explain different uses for color and luminance in visual arts. When visual fields are isoluminant, they look the same to our luminance processing pathway, while potentially looking quite different to the color processing path. This creates a perceptual tension exploited by skilled artists. In this paper, we show how reproducing a target color usin...
متن کاملColor Rendering Properties of LED Light Sources
A laboratory human factors experiment was conducted to understand the color rendering properties of various LED-based reading lights. Human subjects rated their preference for a given scene illuminated by a test light source compared to an identical scene illuminated by a reference light source. In another experiment the same subjects viewed and rated the scenes individually when illuminated by...
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ژورنال
عنوان ژورنال: JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
سال: 1978
ISSN: 0019-2341,1349-838X,2185-1506
DOI: 10.2150/jieij1917.62.12_621