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    Bioinspired Sensor Uses Metalenses for Depth from Defocus

    Article obtained from Photonics RSS Feed.

    Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a compact sensor that can measure depth in a single shot. The sensor’s design was inspired by the specialized optics of the jumping spider, which has extraordinary depth perception. Each of the spider’s principal eyes has a few semi-transparent retinas arranged in layers. These retinas measure multiple images of prey with different amounts of blur to ascertain the distance between spider and prey. In computer vision, this type of distance calculation is known as depth from defocus.

    So far, replicating nature has required large cameras with motorized internal components that can capture differently focused images…

    Nov, 04 2019 |

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