Underground Camera Lenses

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  • Surveying the scene: the monitoring practices of staff in control rooms
    The very environment of the Underground can mean images are poorly lit, camera lenses and screens dirty and monitors kept on the same view for hours on end can be ‘burnt out’.
  • General Guide for Use of Borehole Cameras—A Guide
    Above water, atmospheric conditions frequently produce moisture conditions under- ground that create fog for the camera to see, or cause accumulation of moisture on the lens , which will in itself fog the image.
  • http://repositories.lib.utexas.edu/bitstream/handle/2152/ETD-UT-2011-05-2833/NICKELSON-REQUEJO-DISSERTATION.pdf?sequence=1
    As the camera ascends to the world of mortals, the lens floods with light (replicating the moment Moanna loses her memory of her underground kingdom) then emerges within the ruins of Belchite, one of the most famous devastated villages of the Civil …
  • Tracking points within noisy images
    In underground mining applications, the available image quality tends to be degraded due to the combination of poor lighting conditions, dirt on the camera lens and dirt on the label.
  • Theoretical Division progress report. [October 1976-January 1979]
    This lens is used to ob- tain a picture of an above-ground explosion with a high-speed camera by observation through a steel periscope located in an underground bunker.
  • A Photogrammetric Approach to Brittle Fracture Characterization In Mine Pillars
    INTRODUCTION Digital photogrammetry in underground excavations provides a wealth of benefits, the most significant being: (i) The collection of a vast amount of geotechnical data over a wide aspect ratio, defined by camera lens , during a relatively short timescale; (ii) The creation …
  • Remote Photonic Data Recording
    … capability of transmitting all data to the PRS before occurrence of ground shock 5) Have backup data storage in underground non -volatile memory for … … tube to eliminate inefficient lenses and need for focusing … … Increase resolution of video camera 9) Simplify system triggering …
  • Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik
    … forward reading column > foresight column forward run [surveying] ● Hinweg m forward-shooting camera ● vorwa¨rtsblickende Kammer … … combustible material [A general term for any hydrocarbon that may be used for fuel: chiefly petroleum, natural gas, and coal] ● fossiler Brennstoff m fossil ice, ground ice, underground ice [All ice, of … … the ground, especially a lens , sheet, wedge, seam, or …
  • noun.artifact (finlayson-gwc2014.zip)
    a bomber that releases its bombs during a steep dive toward the target) } { diverging_lens, concave_lens, lens,@ (a lens such that a parallel beam of light passing through … … stick that is said to dip down to indicate underground water or oil) } { diving_suit … … objects) } { dolly2, conveyance,@ (conveyance consisting of a wheeled support on which a camera can be mounted …
  • wn_g.pl (finlayson-gwc2014.zip)
    ). g(103215191,'a bomber that releases its bombs during a steep dive toward the target'). g(103215337,'a lens such that a parallel beam of light passing through … … stick that is said to dip down to indicate underground water or oil'). g … … heavy objects'). g(103219732,'conveyance consisting of a wheeled support on which a camera can be mounted' …