Thu, Jan 09, 2014 - Page 3 News List

NTU team improves auto-focus in digital cameras

By Lee I-chia  /  Staff reporter

A research team from National Taiwan University (NTU) has developed technology that improves the speed and accuracy of auto-focusing in digital cameras and video recorders, and projects images onto different screen surfaces more accurately.

The National Science Council-funded team, led by Homer Chen (陳宏銘), a professor at NTU’s Graduate School of Communication Engineering, yesterday demonstrated the results of their research at the council.

Holding a book in front of a digital camera and moving the book further away from a lens equipped with the team’s software, and comparing the projection with a camera that did not have their technology, the team showed that their software enabled cameras to auto-focus faster and more accurately.

The team also demonstrated that a smartphone that usually has a minimum focus distance of about 5cm to 6cm from an object, can be improved with their software to auto-focus on objects within less than 1cm from the lens.

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