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IN THE PIPELINE

The sewer systems of Europe could soon provide a conduit for more than water and waste. A machine vision sewer inspection project has sparked interest!$ ^{A)} !$ in using the pipes to lay cables!$ ^{B)} !$ for telecommunications traffic. The project, named Inspecting Sewage Systems and Image Analysis by Computer, or Isaac, is part of a larger European Commission-backed initiative to promote use of vision technology.

Project coordinator Mark Sawyer explained that the inspection system employs a tractor-mounted CCD matrix camera and curved mirrors for imaging inside the pipes, and proprietary software to convert the data into a perspective that humans can interpret. It will enable rapid detection!$ ^{C)} !$ of defects in pipe walls and could be in operation within 18 months.

“The prospect of using the sewers for telecommunications is still evolving!$ ^{D)} !$”, he said. Commercial relationships between cable companies and sewer landlords must be negotiated, and the technology to install cables has yet to be developed. “However,” he added, “an accurate survey of the sewer system brings it closer.” It’s a concept that could well “go down the tubes!$ ^{E)} !$”.

PHOTONICS SPECTRA March 2003 p. 176

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