visual threshold of luminance contrast

  • 1Display contrast — Contrast in visual perception is the difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.).… …

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  • 2Visual short term memory — In the study of vision, visual short term memory (VSTM) is one of three broad memory systems including iconic memory and long term memory. VSTM is a type of short term memory, but one limited to information within the visual domain. The term VSTM …

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  • 3Filling-in — In vision, filling in phenomena are those responsible for the completion of missing information across the physiological blind spot, and across natural and artificial scotomata. There is evidence calling for similar mechanisms of completion also… …

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  • 4Liquid crystal display — LCD redirects here. For other uses, see LCD (disambiguation). Reflective twisted nematic liquid crystal display. Polarizing filter film with a vertical axis to polarize light as it enters. Glass substrate with ITO electrodes. The shapes of these… …

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  • 5Models of neural computation — are attempts to elucidate, in an abstract and mathematical fashion, the core principles that underlie information processing in biological nervous systems, or functional components thereof. This article aims to provide an overview of the most… …

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  • 6Teoría de detección de señales — Teoría de la detección de señales, abreviada como TDS, son los medios de cuantificar la capacidad de discernir entre la señal y el ruido. Contenido 1 Introducción en la psicologia 2 Usos 3 Aplicaciones de la Teoría de Detección de Señales a la… …

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  • 7eye, human — ▪ anatomy Introduction  specialized sense organ capable of receiving visual images, which are then carried to the brain. Anatomy of the visual apparatus Structures auxiliary to the eye The orbit       The eye is protected from mechanical injury… …

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  • 8Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… …

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  • 9Dynamic range — For other uses, see Dynamic range (disambiguation). Dynamic range, abbreviated DR or DNR,[1] is the ratio between the largest and smallest possible values of a changeable quantity, such as in sound and light. It is measured as a ratio, or as a… …

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  • 10Media and Publishing — ▪ 2007 Introduction The Frankfurt Book Fair enjoyed a record number of exhibitors, and the distribution of free newspapers surged. TV broadcasters experimented with ways of engaging their audience via the Internet; mobile TV grew; magazine… …

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