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22 unmanned systems inside February/March 2017 AIR ADVANCED IMAGING Photos courtesy of Studio 727 taken from elevated positions using the Aibot and helicopters, and laser scans were obtained from more than 18,000 ground positions. The final models—of places like the richly decorated early baroque Sala Terrena at Cer- vený Kamen castle—can be up to half the reso- lution of the real image, while texture informa- tion can be maintained practically at a ratio of 1:1. "We managed to significantly increase the geometrical and textural accuracy and detail," Dedik said. Digital Museum "We know there are other digitization projects being undertaken around Europe," Dedik said, "but we know of none quite like ours—on a na- tional scale, across all of Slovakia—especially involving such a high degree of resolution." There were some memorable moments during the project, Dedik said. "Some monu- ments looked at first sight like 'easy' objects to digitize, but in fact many of them were hid- ing a lot of surprising and tricky parts, like wells, mineshafts, towers, etc." Many of the castles we digitized, such as Red Stone Castle "STUDIO 727 has continued to process the results for the latest forms of presentation— virtual and augmented reality. Here we see the future of education as well as entertainment." Ladislav Dedik, Studio 727, founder and CEO A statue model (above) represented by textured face (left) and by edges (right). A drawing (left) of Zápol'ský chapel in the town of Spišský Štvrtok with a portion enhanced with an orthoimage. The chapel's ground plan section (below). and Bojnice castle, had awkward rooftops, he added. "In Banska Stiavnica and Bardejov, both UNESCO sites, we digitized whole ur- ban units. And then there was the stunningly ornate medieval gothic cathedral in Kosice, with all its hidden corners." The results of the work by Studio 727, Aibotix, CapturingReality and others, will be available to generations of architects, historians, con- servationists and restorers for educational and many other purposes. "Since the completion of the project," Dedik said, "Studio 727 has continued to process the results for the latest forms of presentation— virtual and augmented reality. Here we see the future of education as well as entertainment." The rest, as they say, is history. Overview of Digitized Objects Types of the Heritage Historical heritage groups groups objects Castles and castle ruins 46 833 Churches 59 106 Folk and local architecture 30 56 Mansions 6 76 Monasteries 5 45 Memorials 4 12 Historical town reserves 3 394 Mills 3 6 Bridges 2 3 Cemetery areas 5 206 Archeological sites 5 6 Altars and iconostases 6 28 Other groups 11 84 TOTAL 185 1,855 3-D model of the Virgin Mary Assumption Church in Banská Štiavnica, Slovakia. Source: Monuments Board of the Slovak Republic