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Luminance signal
| CCTV glossary (глоссарий терминов по видеонаблюдению) |
- That portion of the ntsc color television signal which contains the luminance or brightness information.
- That portion of the television signal which conveys the luminance or brightness information.
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Luminance, английский
- Brightness. in cctv refers to the part of the video signal that contains information about the scene brightness.
- Яркость. составляющая изображения, определяющая его относительную яркость в каждой точке экрана монитора
- This refers to the part of a video signal that carries the monochrome information. i.e. brightness information.
- Luminous intensity (photometric brightness) of any surface in a given direction per unit of projected area of the surface as viewed from that direction, measured in foot lamberts (fl).
- Luminous intensity (photometric brightness) of any surface in a given direction per unit of projected area of the surface as viewed from that direction, measured in footlamberts (fl).
- Refers to the video signal information about the scene brightness. the measurable,
- The part of a composite video signal that expresses brightness. also called y. separately transmitted in y/c (s-video).
- 1. luminous flux emitted, rejected, or transmitted per unit of solid angle per projected area of the source. 2. the photometric equivalent of brightness. 3. the brightness part of a television picture.
- Refers to the video signal information about the scene brightness. the measurable, luminous intensity of a video signal. differentiated from brightness in that the latter is nonmeasurable and sensory. the color video picture information contains two components, luminance (brightness and contrast) and chrominance (hue and saturation). the photometric quantity of light radiation.
- The luminous intensity of any surface in a given direction per unit of projected area of the surface, as viewed from that direction; a directional property of luminous radiation.
- The perceived brightness component of a given color, as opposed to its hue or its saturation.
- Яркость. относится к содержащейся в видеосигнале информации об освещенности объекта. фотометрическая единица измерения светового излучения.
- Ratio of a surface’s luminous intensity in a given direction to a unit of projected area. measured in candela per square meter.
- Photometric brightness of a light source defined by the density of its luminous intensity, measured as luminous flux per unit solid angle per unit area in a given direction. reported in candela per square meter (cd·m–2).
- Photometric brightness of a light source defined by the density of its luminous intensity, measured as luminous flux per unit solid angle per unit area in a given direction. reported in candela per square meter (cd/m2). compare illuminance. 504 glossary l-m luminous efficacy; luminous efficiency: ratio of the total luminous flux of a light source to the total radiant flux or to the power input.
- Photometric brightness of a light source as defined by the density of its luminous intensity. luminance is a measure of the luminous flux per unit solid angle per unit area in a given direction and is reported in candela per square meter (cd·m–2).
Luminance (or brightness), английский
A measure of flux reflected or emitted from a surface. it has
Luminance contrast, английский
The relationship between the luminance of an object and the luminance of the immediate background.
Luminance decay, английский
- Ослабление яркости. постепенное снижение относительной яркости экрана монитора с течением времени
- Ослабление яркости
Luminance factor, английский
- The ratio of the luminance of a surface or medium under specified conditions of incidence, observation, and light source to the luminance of a lossless, perfectly diffusing surface or medium under the same conditions. luminance meter, brightness meter a visual instrument or a photoelectric instrument used to measure luminance.
- Коэффициент яркости
Luminance of a surface, английский
Luminance ratio, английский
Luminance temperature, английский
Яркостная температура
Luminance threshold, английский
Порог яркости
Luminance variance, английский
Неравномерность яркости
Luminance., английский
Signal, английский
- A signal is used to help make sure of the safe operation of traffic and to regulate train and shunting movements.
- (сигнал) термин технического анализа; индикация момента, когда пришло время покупать (продавать), согласно выработанной трейдером торговой стратегии;
- Сигнал
- Strength, interference, noise, propagation, frequency of fading, modulation, overall (rating) уровень [сила] сигнала, - помехи, шум, прохождение, частота замирания, глубина модуляции, общая разборчивость
- Strength, interference, noise, propagation, overall (readability) уровень [сила] сигнала, помехи, шум, прохождение, общая разборчивость
- Kit/ mk-79 комплект приборов для сигнализации
- С и гнал
- N сигнал structural ~ структурный сигнал
- [1] a short message conveyed by flags, light flashes, electrical impulses, sound or radio waves, or other means. (see tables 8–10). [2] to send such a message.
- Сигнал ~s of danger сигналы опасности (визуальные, световые, звуковые)
- A varying electrical voltage that represents sound.
- A beep or tone from a computer’s speaker or a prompt displayed on screen that tells a user that the computer is ready to receive input.
- A notification of an event that triggers an activity.
- To convey information through a firm`s actions. the more costly it is to provide a signal, the more credibility it has. for example, to call a press conference and tell everyone that the firm`s prospects have improved is less effective than saying the same thing and raising the dividend.
- Physical quantity, such as voltage, that contains relevant information.
- Physical quantity, such as voltage, that contains relevant information.4
- Physical quantity, such as voltage, that contains relevant information. signal-to-noise ratio: ratio of signal values (responses that contain relevant information) to baseline noise values (responses that contain nonrelevant information).
- Physical quantity, such as luminance, that contains a relevant test indication or information. signal-to-noise ratio: ratio of signal values (responses that contain relevant information) to baseline noise values (responses that contain nonrelevant information). see also background. glossary s 513
- Physical quantity, such as voltage, that contains relevant information.4 signal-to-noise ratio: ratio of signal values (responses that contain relevant information) to baseline noise values (responses that contain nonrelevant information).4
- Physical quantity, such as electrical voltage, that contains information.10,20 signal-to-noise ratio: ratio of signal amplitude (responses that contain information) to baseline noise amplitude (responses that contain no information). see also noise.10,20
Signal, английский
Signal, немецкий
Signal, шведский
Signal (general sense), английский
Signal (in sdl), английский
Signal (in signaling application), английский
Signal (ut), английский
Vertical deflection from the base line on an a-scan.
Signal accuracy, английский
Television, английский
- Телевидение; телевизионный
- The electronic transmission of pictures and sounds.
- Телевидение
- An electronic system of transmitting transient images of fixed or moving objects together with sound through space by an apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound.
Brightness, английский
- Term for the intensity of illumination of a reproduced video picture.
- The attribute of visual perception in accordance with which an area appears to emit or reflect more or less light (this attribute of color is used in the color model hsb - hue, saturation, brightness). see lightness.
- A term to indicate the relative amount of light intensity available. brighter is more light, dimmer is less light. in an infrared system, the brightness control may affect actual image intensity or it may change the temperature range displayed. either eff
- The attribute of visual perception in accordance with which an area appear to emit more of less light. (luminance is the recommended name for the photo-electric quantity which has also been called brightness.)
- In ntsc and pal video signals, the brightness information at any particular instant in
- Яркость
- The value of a pixel in an electronic image, representing its lightness value from black to white. usually defined as brightness levels ranging in value from 0 (black) to 255 (white).
- In ntsc and pal video signals, the brightness information at any particular instant in a picture is conveyed by the corresponding instantaneous dc level of active video. control is an adjustment of setup (black level, black reference).
- Is strictly defined as an attribute of a visual sensation according to which an area appears to emit more or less light. we sometimes misuse the term brightness in this catalog instead of the more correct “luminance.” luminance, used for sources, is the luminous flux in an elemental beam from a given point per unit area per solid angle in the specified direction.
- The visual sensation of the luminous intensity of a light source. the brightness of a laser beam is most closely associated with the radiometric concept of radiance.
- A term mostly used in a qualitative way, related to the output power and beam quality of a laser; quantitatively
- The luminance of objects. the brightness of any area of the subject is dependent on how much light falls on it and how reflective it is. brightness range is the relationship we perceive between the light and dark subjects in a scene. brightness contrast is a judgment of the relative measure of that range, such as high, low, or normal. brightness values are sometimes referred to as ev (exposure values), a combination of aperture and shutter speed. brightness values in the scene are translated to tonal values on film.
- Value of a pixel in a digital image giving its value of lightness from black to white, with o being black and 255 being white.
- That attribute of visual perception in accordance with which a surface appears to emit more light or less light. now called luminance.
- The amount of light that is emitted by a computer monitor or picture displayed on the monitor.
- Яркость. для видеосигналов систем ntsc и pal
Information, английский
- Knowledge of a particular event or situation, or knowledge communicated or received concerning a particular fact.
- Информация
- Facts about something have you any information about the treatment of sunburn? the police won’t give us any information about how the accident happened. you haven’t given me enough information about when your symptoms started. that’s a very useful piece or bit of information. (note: no plural: some information; a piece of information.)
- N информация | attr. информационный flow, structure source of ~ источник информации 1 ранее использовался в более широком значении как ‘умозаключе- ние’. 2 получение выводных данных в процессе обработки информации и/или языка и само выводное знание, умозаключение; мыслительная операция, в ходе которой человек выходит за пределы данных в тек- сте сведений и получает новую информацию. 3 аффикс, вставляемый внутрь корня слова при словообразовании или словоизменении.
- In admiralty courts, implies a clause introduced into a citation, intimating that in the event of a party cited not appearing, the court will proceed in his absence.
- Информация; данные; сведения
- Координационный комитет ин4юрмации о проектируемых и возводимых объектах строительства
- Literally that which forms within, but more adequately
- Data that has been recorded, classified, organized, related or interpreted so that meaning is apparent.
- Contextualised data providing answer to a certain question decreasing uncertainty.
- Информация, сведения
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Monochrome signal, английский
In monochrome television, a signal wave for controlling the brightness values in the picture. in color television, that part of the signal wave which has major control of the brightness values of the picture, whether displayed in color or in monochrome.
Lumen/ft2, английский
A unit of incident light. it is the illumination on a surface one square foot in area on which a flux of one lumen is uniformly distributed, or the illumination at a surface all points of which are at a distance of one foot from a uniform source of one candela.
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