luminance ratio
111Slow-scan television — (SSTV) is a picture transmission method used mainly by amateur radio operators, to transmit and receive static pictures via radio in monochrome or color.A technical term for SSTV is narrowband television. Broadcast television requires huge 5, 6… …
112List of letters used in mathematics and science — Some common conventions: * Intensive quantities in physics are usually denoted with minuscules, while extensive are denoted with capital letters. * Most symbols are written in italics. * Vectors are bold. * Sets of numbers are blackboard… …
113Shutter speed — [ aperture size to achieve proper exposure.] In photography, shutter speed is the length of time a shutter is open; the total exposure is proportional to this exposure time, or duration of light reaching the film or image… …
114Telecine — For a television network in Brazil, see Rede Telecine. Telecine (  /ˈtɛl …
115Gamut — This article is about color gamut. For other uses, see Gamut (disambiguation). A typical CRT gamut. The grayed out horseshoe shape is the entire range of possible chromaticities, displayed in the CIE 1931 chromaticity diagram format (see below).… …
116Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… …
117Adobe RGB color space — The Adobe RGB color space is an RGB color space developed by Adobe Systems in 1998. It was designed to encompass most of the colors achievable on CMYK color printers, but by using RGB primary colors on a device such as the computer display. The… …
118D-Terminal — This article is about the video connector. For the item used in Digimon Adventure 02, see Digivice. D Video connector A male D video connector. Type Analogue video connector …
119Ricco's Law — explains the visual relationship between a target area and target contrast required for detection. It is shown belowlog (Contrast) = K log(Area) Ricco s Law is applicable for regions where the target being detected is unresolved. This region is… …
120Kell factor — There are some conflicting and confusing points in the following article. For a discussion of these please read the comments in the discussion section accessed from the discussion tab above. Kell factor is a parameter used to determine the… …
