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NEC Corp. said Monday it has developed a biometric technique that can be used to identify individual melons through rind patterns so marketers won’t disguise where they were grown.

The technology works by photography. Melon producers photograph the patterns on their melons and input them into a computer system so consumers can take pictures of melons intended for purchase and compare them with the data on the computers.

The current traceability system, which tracks products via bar codes and electronic tags, is not entirely risk-free because it leaves room for false labeling, the company said.

The company is considering adopting the new technology for other kinds of fruit.

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