If you happen to be in Hannover this week, come and visit our booth at the CeBIT (the world’s largest computer expo); we (well, my students, since I am in India) are demonstrating our autonomous vision-controlled drones and live dense 3D mapping! We are located in Hall 9, booth A28. We are giving more than 20 demos a day! An article featuring our demo just appeared in the British Daily Mail: http://www.dailymail.co.uk/sciencetech/article-2997493/Attack-drones-Palm-sized-machines-self-flying-vehicles-display-Germany.html (3rd and 4th picture from the top 
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