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Smartphone-powered mine detectors readied for field-testing in Cambodia (video)
Red Lotus Technologies is now refining and pitching its PETALS technology for real-world use around the world. Short for Pattern Enhancement Tool for Assisting Landmine Sensing, the system connects acoustic sensors to smartphones, outputting a silhouette of what lies below onto the phone's screen. The company has expanded from an initial research project that paired mine-detecting sensors with the processing clout (and availability of) smartphones. It's now developed some tablet-based training equipment for de-miners and, working alongside the Landmine Relief Fund, aims to field-test the devices in Cambodia before launching them next year.
Metal detectors and smartphones make beautiful, mine-sniffing music together
Harvard researchers have married a smartphone to a metal detector to create PETALS, a low cost way to improve mine detection in third-world countries. Traditionally, locating land mines has required a carefully trained ear to distinguish deadly explosives from, say, a can. This new system removes some of the guesswork by mapping the beeps on a cell phone screen, creating a silhouette of whatever is beneath the surface. Similar results have been accomplished using acoustic sensors, but so far they've been relegated to research projects and would likely be too expensive for use where they're needed most. Not only should the simplicity of PETALS (which stands for Pattern Enhancement Tool for Assisting Land mine Sensing) make it cheap and easy to deploy but, in tests novice de-miners were able to improve their performance by 80 percent -- that's a least a few less brave humanitarians going "boom" in the field.
