Japanese researchers said Friday they had developed technology to scan a book as fast as a person can flip through it.

A prototype ultra-speed scanner capable of digitising a book in one minute will be built within two years, said the chief researcher of the team at the University of Tokyo's Graduate School of Information Science and Technology.

The "book-flipping scanning" system works with a camera that can take up to 500 photographs per second, enabling it to record about 170 book pages in 60 seconds as a person thumbs through them.

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