A fly's-eye view for spies in the sky

 作者:门肠六     |      日期:2019-03-02 03:17:00
By Tom Simonite WHEN autonomous aircraft start buzzing over our heads like giant insects, they could be fitted with video cameras that give them wide-angle vision to rival that of insects themselves. Previous attempts to achieve this have mimicked the compound eyes that insects use to create a mosaic of partially overlapping images (New Scientist, 6 May, p 30). This works well for spotting movement, but is not so good at picking out individual objects from a complicated scene. Now Christel-loic Tisse and Hugh Durrant-Whyte at the University of Sydney, Australia, and Andrew Hicks from Drexel University in Philadelphia,