Imaging system creates pictures by measuring time

@ 2020/07/31
Could bring about new transport methods

A new method of imaging which harnesses artificial intelligence to turn time into visions of 3D space could help cars, mobile devices and health monitors develop 360-degree awareness.

Photos and videos are usually produced by capturing photons – the building blocks of light – with digital sensors. For instance, digital cameras consist of millions of pixels that form images by detecting the intensity and colour of the light at every point of space. 3D images can then be generated either by positioning two or more cameras around the subject to photograph it from multiple angles, or by using streams of photons to scan the scene and reconstruct it in three dimensions. Either way, an image is only built if one gathers spatial information of the scene.

In a paper published in the journal Optica, researchers based in the UK, Italy and the Netherlands describe how they have found an entirely new way to make animated 3D images – by capturing temporal information about photons instead of their spatial coordinates.

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