Smart Sensor for Extended Range Optical Underwater Imaging

Enhanced extended range underwater imaging via structured illumination

Optics Express ◽

10.1364/oe.18.012328 ◽

2010 ◽

Vol 18 (12) ◽

pp. 12328 ◽

Cited By ~ 17

Author(s):

Jules S. Jaffe

Keyword(s):

Structured Illumination ◽

Underwater Imaging ◽

Extended Range

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Extended range underwater imaging using a time varying intensity (TVI) approach

OCEANS 2009 ◽

10.23919/oceans.2009.5422267 ◽

2009 ◽

Author(s):

L. Mullen ◽

A. Laux ◽

B. Cochenour ◽

W. McBride

Keyword(s):

Time Varying ◽

Underwater Imaging ◽

Extended Range

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Underwater Optical Imaging for Automotive Wading

Sensors ◽

10.3390/s18124476 ◽

2018 ◽

Vol 18 (12) ◽

pp. 4476 ◽

Cited By ~ 2

Author(s):

Aleksandr Bystrov ◽

Edward Hoare ◽

Marina Gashinova ◽

Mikhail Cherniakov ◽

Thuy-Yung Tran

Keyword(s):

Imaging System ◽

Light Attenuation ◽

Underwater Imaging ◽

Active System ◽

Range Imaging ◽

Turbid Waters ◽

Underwater Vision ◽

Extended Range ◽

Visibility Range ◽

The Cost

An underwater imaging system was investigated for automotive use in highly scattered underwater environments. The purpose of the system is the driver’s information about hidden obstacles, such as stones, driftwood, open sewer hatches. A comparison of various underwater vision methods was presented by the way they are implemented, the range reached, and the cost of implementation. It has been experimentally shown that a conventional active system can provide a maximum visibility range of up to three light attenuation lengths. In most practical cases of turbid waters during floods, this corresponds to distances of about 1 meter. From the presented analysis it follows that advanced extended range imaging methods allow increasing of the visibility range up to 2 meters.

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