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dark reduction

См. также в других словарях:

  • Dark-frame subtraction — In digital photography, dark frame subtraction is a way to minimize image noise for pictures taken with long exposure times. It takes advantage of the fact that a component of image noise, known as fixed pattern noise, is the same from shot to… …   Wikipedia

  • Dark frame — A dark frame is a photography technique to identify noise in a CCD imaging device. This is done by recording without exposing the CCD, usually by leaving the shutter closed and putting the CCD in a dark room. These dark frames are then subtracted …   Wikipedia

  • Dark figure of crime — The dark figure of (or for) crime is a term employed by criminologists and sociologists to describe the amount of unreported or undiscovered crime, which calls into question the reliability of official crime statistics. Victim studies, such as… …   Wikipedia

  • dark reaction — noun Date: 1927 any of a series of chemical reactions in photosynthesis not requiring the presence of light and involving the reduction of carbon dioxide to form carbohydrate; especially Calvin cycle …   New Collegiate Dictionary

  • dark reaction — noun Biochemistry (in photosynthesis) the cycle of reactions involving the fixation of carbon dioxide and its reduction to carbohydrate, which does not require the presence of light …   English new terms dictionary

  • Noise reduction — For sound proofing, see soundproofing. For scientific aspects of noise reduction of machinery and products, see noise control. Noise reduction is the process of removing noise from a signal. All recording devices, both analogue or digital, have… …   Wikipedia

  • Vowel reduction in English — In English, vowel reduction is the centralization and weakening of an unstressed vowel, such as the characteristic change of many vowels at the ends of words to schwa. Stressed vowels cannot be reduced. Reduced vowelsSchwa is the most common… …   Wikipedia

  • Advance Wars: Dark Conflict — Advance Wars Dark Conflict Éditeur Nintendo Développeur Intelligent Systems …   Wikipédia en Français

  • environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

  • Image 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… …   Wikipedia

  • photosynthesis — photosynthetic /foh teuh sin thet ik/, adj. photosynthetically, adv. /foh teuh sin theuh sis/, n. Biol., Biochem. (esp. in plants) the synthesis of complex organic materials, esp. carbohydrates, from carbon dioxide, water, and inorganic salts,… …   Universalium

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