luminance ratio
51High-definition television — Logo High definition television (HDTV) is video that has resolution substantially higher than that of traditional television systems (standard definition television). HDTV has one or two million pixels per frame, roughly five times that of SD… …
52Computer monitor — A 19 inch, 16:10 wide screen LCD monitor. A monitor or display (sometimes called a visual display unit) is an electronic visual display for computers. The monitor comprises the display device, circuitry, and an enclosure. The display device in… …
53Liquid 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… …
54Charge-coupled device — A specially developed CCD used for ultraviolet imaging in a wire bonded package. A charge coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for… …
55Metrology — This article is about the science of measurement. For the study of weather see Meteorology. A scientist stands in front of a microarcsecond (1 millionth of 1 arcsecond or 1 millionth of 1/3600 degree) testbed. Metrology is the science of… …
56PALplus — is an extension of the PAL analogue broadcasting system for transmitting 16:9 programs without sacrificing vertical resolution. It followed experiences with the HD MAC and D2 MAC, standards that were incompatible with existing receivers but… …
57Image noise — Noise clearly visible in an image from a digital camera Image noise is random (not present in the object imaged) variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the… …
581080p — High Definition Television [haɪ ˌdɛfɪˈnɪʃən ˈtɛlɪvɪʒən] (HDTV, engl. für hochauflösendes Fernsehen) ist ein Sammelbegriff, der eine Reihe von Fernsehnormen bezeichnet, die sich gegenüber dem herkömmlichem Fernsehen (Standard Definition, SDTV)… …
59720i — High Definition Television [haɪ ˌdɛfɪˈnɪʃən ˈtɛlɪvɪʒən] (HDTV, engl. für hochauflösendes Fernsehen) ist ein Sammelbegriff, der eine Reihe von Fernsehnormen bezeichnet, die sich gegenüber dem herkömmlichem Fernsehen (Standard Definition, SDTV)… …
60Besserfernsehen — High Definition Television [haɪ ˌdɛfɪˈnɪʃən ˈtɛlɪvɪʒən] (HDTV, engl. für hochauflösendes Fernsehen) ist ein Sammelbegriff, der eine Reihe von Fernsehnormen bezeichnet, die sich gegenüber dem herkömmlichem Fernsehen (Standard Definition, SDTV)… …
