The new technique generates an image (top right) from the speckle pattern created when light from the coloured numerals (top left) is scattered by the mostly opaque surface in the middle. (Courtesy: M ...

Photoacoustic images produced using unknown speckle patterns (IMAGE) Intelligent Computing. Caption (A to C ...

It reads a spot illuminated by a laser and captures the ‘speckle’ pattern New York A team led by an Indian-origin engineer has built a camera prototype that can capture a detailed micron ...