{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,6]],"date-time":"2026-01-06T13:43:07Z","timestamp":1767706987869,"version":"3.41.0"},"reference-count":64,"publisher":"Association for Computing Machinery (ACM)","issue":"2","license":[{"start":{"date-parts":[[2014,6,1]],"date-time":"2014-06-01T00:00:00Z","timestamp":1401580800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"DOI":"10.13039\/501100004963","name":"Seventh Framework Programme","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004963","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Soprintendenza per i Beni Archeologici per le Province di Cagliari ed Oristano"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["J. Comput. Cult. Herit."],"published-print":{"date-parts":[[2014,7]]},"abstract":"<jats:p>\n            We introduce a novel user interface and system for exploring extremely detailed 3D models in a museum setting. Three-dimensional models and associated information are presented on a large projection surface controlled by a touch-enabled surface placed at a suitable distance in front of it. Our indirect user interface, dubbed\n            <jats:italic>IsoCam<\/jats:italic>\n            , combines an object-aware interactive camera controller with an interactive point-of-interest selector and is implemented within a scalable implementation based on multiresolution structures shared between the rendering and user interaction subsystems. The collision-free camera controller automatically supports the smooth transition from orbiting to proximal navigation, by exploiting a distance-field representation of the 3D object. The point-of-interest selector exploits a specialized view similarity computation to propose a few nearby easily reachable interesting 3D views from a large database, move the camera to the user-selected point of interest, and provide extra information through overlaid annotations of the target view. The capabilities of our approach have been demonstrated in a public event attended by thousands of people, which were offered the possibility to explore submillimetric reconstructions of 38 stone statues of the Mont\u2019e Prama Nuragic complex, depicting larger-than-life human figures, and small models of prehistoric Nuraghe (cone-shaped stone towers). A follow-up of this work, using 2.5m-high projection screens, is now included in permanent exhibitions at two Archeological Museums. Results of a thorough user evaluation, involving quantitative and subjective measurements, are discussed.\n          <\/jats:p>","DOI":"10.1145\/2611519","type":"journal-article","created":{"date-parts":[[2014,7,1]],"date-time":"2014-07-01T14:23:02Z","timestamp":1404224582000},"page":"1-24","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":23,"title":["IsoCam"],"prefix":"10.1145","volume":"7","author":[{"given":"Fabio","family":"Marton","sequence":"first","affiliation":[{"name":"CRS4 Visual Computing, Italy"}]},{"given":"Marcos Balsa","family":"Rodriguez","sequence":"additional","affiliation":[{"name":"CRS4 Visual Computing, Italy"}]},{"given":"Fabio","family":"Bettio","sequence":"additional","affiliation":[{"name":"CRS4 Visual Computing, Italy"}]},{"given":"Marco","family":"Agus","sequence":"additional","affiliation":[{"name":"CRS4 Visual Computing, Italy"}]},{"given":"Alberto Jaspe","family":"Villanueva","sequence":"additional","affiliation":[{"name":"CRS4 Visual Computing, Italy"}]},{"given":"Enrico","family":"Gobbetti","sequence":"additional","affiliation":[{"name":"CRS4 Visual Computing, Italy"}]}],"member":"320","published-online":{"date-parts":[[2014,6]]},"reference":[{"key":"e_1_2_2_1_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cag.2011.10.005"},{"key":"e_1_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/2466533.2466541"},{"key":"e_1_2_2_3_1","volume-title":"Proc. 3DPVT. 89--96","author":"Besora Isaac","year":"2008","unstructured":"Isaac Besora , Pere Brunet , Marco Callieri , Antoni Chica , Massimiliano Corsini , Matteo Dellepiane , Daniel Morales , Jordi Moy\u00e9s , Guido Ranzuglia , and Roberto Scopigno . 2008 . Portalada: A virtual reconstruction of the entrance of the Ripoll monastery . In Proc. 3DPVT. 89--96 . Isaac Besora, Pere Brunet, Marco Callieri, Antoni Chica, Massimiliano Corsini, Matteo Dellepiane, Daniel Morales, Jordi Moy\u00e9s, Guido Ranzuglia, and Roberto Scopigno. 2008. Portalada: A virtual reconstruction of the entrance of the Ripoll monastery. In Proc. 3DPVT. 89--96."},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.5555\/2384470.2384475"},{"key":"e_1_2_2_5_1","doi-asserted-by":"publisher","DOI":"10.1109\/DigitalHeritage.2013.6743709"},{"key":"e_1_2_2_6_1","volume-title":"Emilio Merella, Ruggero Pintus, Fabio Marton, and Enrico Gobbetti.","author":"Bettio Fabio","year":"2014","unstructured":"Fabio Bettio , Alberto Jaspe Villanueva , Emilio Merella, Ruggero Pintus, Fabio Marton, and Enrico Gobbetti. 2014 . Mont\u2019e scan: Effective shape and color digitization of cluttered 3D artworks. Submittted for publication (2014). Fabio Bettio, Alberto Jaspe Villanueva, Emilio Merella, Ruggero Pintus, Fabio Marton, and Enrico Gobbetti. 2014. Mont\u2019e scan: Effective shape and color digitization of cluttered 3D artworks. Submittted for publication (2014)."},{"key":"e_1_2_2_7_1","doi-asserted-by":"publisher","DOI":"10.1145\/1008653.1008669"},{"key":"e_1_2_2_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/571985.572000"},{"key":"e_1_2_2_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/1111411.1111442"},{"volume-title":"Proc. IEEE Oceans. IEEE.","author":"Butkiewicz T.","key":"e_1_2_2_10_1","unstructured":"T. Butkiewicz and C. Ware . 2011. Multi-touch 3D exploratory analysis of ocean flow models . In Proc. IEEE Oceans. IEEE. T. Butkiewicz and C. Ware. 2011. Multi-touch 3D exploratory analysis of ocean flow models. In Proc. IEEE Oceans. 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