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Class Information
Number: 348/31
Name: Television > Back scatter reduction
Description: Subject matter including means to minimize an adverse effect on a reproduced picture due to the presence of an imperfect optical medium between an object being viewed and a camera.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8493496 Depth mapping using projected patterns Jul. 23, 2013
8350957 Imaging systems and methods for recovering object visibility Jan. 8, 2013
8212857 Alternating light sources to reduce specular reflection Jul. 3, 2012
8207484 Streak image sensor and method of operating Jun. 26, 2012
8130258 Method for processing a video sequence and apparatus implementing said method Mar. 6, 2012
7236201 Method of generating an image in a turbid medium Jun. 26, 2007
7233346 Differential imaging method and system Jun. 19, 2007
6963354 High resolution imaging lidar for detecting submerged objects Nov. 8, 2005
6836285 Lidar with streak-tube imaging,including hazard detection in marine applications; related optics Dec. 28, 2004
6724467 System for viewing objects at a fire scene and method of use Apr. 20, 2004
6633338 Programmable illuminator for vision system Oct. 14, 2003
6462768 Image enhancement Oct. 8, 2002
6348942 Enhanced underwater visibility Feb. 19, 2002
6331887 Outdoor range finder Dec. 18, 2001
6072565 Night vision device with improved laser range finder Jun. 6, 2000
6028624 Method and apparatus for increased visibility through fog and other aerosols Feb. 22, 2000
5880771 Electro-optical detection system Mar. 9, 1999
H1783 High spatial resolution, range gated, underwater imaging method and apparatus Feb. 2, 1999
5694203 Distance camera device having light gate for extracting distance information Dec. 2, 1997
5682229 Laser range camera Oct. 28, 1997
5526038 Method and apparatus for taking distance images Jun. 11, 1996
5506616 Differential imaging for sensitive pattern recognition Apr. 9, 1996
5467122 Underwater imaging in real time, using substantially direct depth-to-display-height lidar streak mapping Nov. 14, 1995
5450125 Spectrally dispersive imaging lidar system Sep. 12, 1995
5434612 Duo-frame normalization technique Jul. 18, 1995
5384589 Spectrally dispersive imaging lidar system Jan. 24, 1995
5353054 Hands free lidar imaging system for divers Oct. 4, 1994
5343284 Imaging lidar system employing bistatic operation Aug. 30, 1994
5335070 Laser light beam homogenizer and imaging lidar system incorporating same Aug. 2, 1994
5303051 Method for removing the effects of particulate matter from sequence images Apr. 12, 1994
5257085 Spectrally dispersive imaging lidar system Oct. 26, 1993
5249046 Method and apparatus for three dimensional range resolving imaging Sep. 28, 1993
5243541 Imaging lidar system for shallow and coastal water Sep. 7, 1993
5233415 Imaging lidar employing transmitter referencing Aug. 3, 1993
5231400 Covert electronic battlefield identification system Jul. 27, 1993
5231401 Imaging lidar system Jul. 27, 1993
5231480 Airborne imaging lidar system employing towed receiver or transmitter Jul. 27, 1993
5200792 Device for obtaining distance information from an object by instantaneously illuminating the object by a light beam Apr. 6, 1993
5200793 Range finding array camera Apr. 6, 1993
5164823 Imaging lidar system employing multipulse single and multiple gating for single and stacked frames Nov. 17, 1992
5140463 Method and apparatus for improving the signal to noise ratio of an image formed of an object hidden in or behind a semi-opaque random media Aug. 18, 1992
5091778 Imaging lidar systems and K-meters employing tunable and fixed frequency laser transmitters Feb. 25, 1992
5056914 Charge integration range detector Oct. 15, 1991
5034810 Two wavelength in-situ imaging of solitary internal waves Jul. 23, 1991
5029009 Imaging camera with adaptive range gating Jul. 2, 1991
5013917 Imaging lidar system using non-visible light May. 7, 1991
4967270 Lidar system incorporating multiple cameras for obtaining a plurality of subimages Oct. 30, 1990
4964721 Imaging lidar system Oct. 23, 1990
4920412 Atmospheric obscurant penetrating target observation system with range gating Apr. 24, 1990
4915498 Range imaging sensor Apr. 10, 1990

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