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1 November 2005 Underwater 3-D optical imaging with a gated viewing laser radar
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New 3-D optical underwater images are presented. The 3-D images are recorded in fresh water and brackish sea water (salinity 15‰), at 4- to 5-m range. For the first time, underwater 3-D images are computed by our new algorithm, which applies the method of weighted averages on a sequence of 2-D images. It is proposed that 3-D gated viewing images can be recorded at any contrast level between 0 and 100%. A novel and dynamic way of measuring the depth of gating is presented. A novel correction for gated viewing 3-D imaging is presented. For the first time, an exact solution of the depth of gating is proposed for a rectangular laser pulse.
©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)
Jens Busck "Underwater 3-D optical imaging with a gated viewing laser radar," Optical Engineering 44(11), 116001 (1 November 2005).
Published: 1 November 2005


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