flat-field exposure

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• Flat-field correction — is a technique used to improve quality in digital imaging. The goal is to remove artifacts from 2 D images that are caused by variations in the pixel to pixel sensitivity of the detector and/or by distortions in the optical path. It is a standard …   Wikipedia

• Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …   Wikipedia

• Track and field — For the video game, see Track Field (video game). Track and field The track and field stadium is at the heart of the sport Nickname(s) Track Characteristics Team mem …   Wikipedia

• Minox — IIIs camera with a cartridge of film The Minox is a subminiature camera conceived in 1922 and invented in 1936 by German Latvian Walter Zapp,[1] which Latvian factory VEF (Valsts Elektrotehniskā Fabrika) manufactured from 1937 to 1943. After …   Wikipedia

• Nerve guidance conduit — A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical… …   Wikipedia

• optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

• Bias frame — Much like a dark frame, a bias frame is an image obtained from an optical CCD or CMOS sensor, with no actual exposure time. The image so obtained only contains noise due to the electronics that elaborate the sensor data, and not noise from… …   Wikipedia

• 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

• Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… …   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

• Scots Monastery, Regensburg — The Benedictine abbey of St James ( Jakobskirche ) in Regensburg, Germany, was founded by Hiberno Scottish missionaries and for most of its history was in the hands of first Irish, then Scottish monks. Hence it is known as the Scots Monastery, in …   Wikipedia