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Continued: Bloodstains

The system they designed enables the camera to detect contrasts, thus making invisible stains and patterns emerge from a background of four different types of fabric. It can also distinguish whether the stain was made by substances such as blood, household bleach, rust, soda and coffee.

“This technique can be used to detect a contrast for any surface stain,” Morgan said, adding it would have other possible forensic and industrial applications.

“The advantage is we can identify a spot where there is blood and then do confirmatory tests and DNA tests,” he said.

Morgan said more tests are needed before the camera finds its way to crime scenes.

“This is not next week’s CSI tool,” he said. “We still have to do validation studies and real-world studies.”

Funding for the study came from the National Institute of Justice. The researchers have been working on the project since January 2008.

By Office of Media Relations

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Posted: 11/16/10 @ 3:05 PM | Updated: 11/23/10 @ 2:05 PM | Permalink

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