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Oxford team in high-speed photographic breakthrough

15 February 2010
Scientists in the South East have devised a new application which can create high-resolution pictures and video from events taking place at high speed.

The method, which works by combining existing technologies, was devised by a team from Oxford University and could yield applications across a range of industries and consumer markets, as well as within the high-tech scientific community.

Using a new photographic technique honed during the study of the human heart, Dr Peter Kohl and his team were able to create an animated model of the organ, which enables a view from all angles and at all layers.

This was achieved using powerful computers and advanced optical imaging tools in combination, enabling sharp pictures and video of a high-speed scene, as Dr Gil Bub, who devised the technique, explained.

"What's new about this is that the picture and video are captured at the same time on the same sensor," he said.

"This is done by allowing the camera's pixels to act as if they were part of tens, or even hundreds of individual cameras taking pictures in rapid succession during a single normal exposure.

"The trick is that the pattern of pixel exposures keeps the high-resolution content of the overall image, which can then be used as-is, to form a regular high-res picture, or be decoded into a high-speed movie."

Dr Kohl said the technique provided the kind of high-quality pictures and video which would normally require sophisticated apparatus costing tens of thousands of pounds.

"Anyone who has ever tried to take photographs or video of a high-speed scene, like football or motor racing, even with a fairly decent digital SLR, will know that it's very difficult to get a sharp image because the movement causes blurring," he commented.

"This will be a great tool for us and the rest of the research community and could also be used in a number of other ways that are useful to industry and consumers," he added.

Applications of the new technique could include everything from CCTV to sports photography, while the scientific imaging sector is also interested in the technology.

The research, which was published in Nature Methods, was developed thanks to funding by the Biotechnology and Biological Sciences Research Council and the British Heart Foundation.

The technology has now been patented by Isis Innovation, the University of Oxford's technology transfer office, which is also now looking for contact from industry partners to take the technology to market.
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