Page 29: of Marine Technology Magazine (March 2020)

Vital speed SpectraPipe inspections No, hyperspectral imaging sensors or

While pipeline inspection continues to While SpectraPipe doesn’t use the cameras that ID objects or chemicals see the introduction of new UAVs and same camera for pipeline inspections as aren’t new. It’s the tech used in remote

ROVs that move down the survey track another UHI uses to count salmon para- sensing satellites and airplanes, where faster, they’re nothing without their sen- sites, “It’s the same principle. Different re? ected light of all wavelengths is con- sors. That’s where Ecotone comes in: light re? ectance, the same tech … but verted to digital information. Spectral working with surveyors to compile the different light.” signatures vary by color and chemistry,

IMR and seabed survey data in a man- Having written before about hyper- hence the designation: optical ? nger- ner that allows speedy analysis and de- spectral cameras on UAVs before, we printing technology. cision-making. note this is the ? rst mention of money- The SpectraPipe UHI has a depth rat-

A UDI-equipped ROV affords the making tech. The UHI has been tested ing of between 500 and 6,000 meters ability to effect a stand-alone study that on UAVs, Roedsten says, but not in (or between shallow water by offshore provides the deciding data needed to commercial settings yet. “Our current oil and gas standards and a medium- compile an environmental or pipeline method of operation is with ROVs, and deep oceanic trench). Attached to an report. A 2017 survey of star? sh be- there are no speci? c requirements for ROV or AUV, the system brings lights, low a salmon net-pen, for one, discov- the ROV (or UAV) except a size that ac- altimeter and a pressure sensor to bear ered they moved away from ? sh waste cepts the payload and depth ratings for while performing its online and of? ine deposits before new species moved in. the speci? c surveys. We have no under- recording. A medium or large ROV or “We tell the system, “This is a star? sh.” water vehicles (at) Ecotone, but use the AUV is needed, one with a 12-72 VDC

Then we build a spectral library of the vehicles available from the different sur- power supply and an ethernet link to a species we observe,” says Roedsten. vey companies.” topside vessel. www.marinetechnologynews.com

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