A Compact Active Imaging System for Degraded Underwater Visual Environment

Description:

This novel technology consists of a sequence of coded illumination patterns generated via a digital micromirror device (DMD) coupled with a continuous wave (CW) laser to light up the target. A high dynamic range (HDR) commercially available camera records the sequence of images of the spatially, light modulated target. Thus, the novel technique helps to reduce backscattering effects on the images while allowing for enhanced image filtering during the recovery process. Additionally, the post-processing steps is the application of a total variation noise reduction filter. This helps to achieve the highest degree of image contrast enhancement while simultaneously capturing details of low reflectance objects of interest.

Patent Information:
Category(s):
Optics
For Information, Contact:
Dana Vouglitois
Florida Atlantic University
dvouglitois@fau.edu
Inventors:
Bing Ouyang
Fraser Dalgleish
Frank Caimi
Anni Dalgleish
Keywords:
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