SGER: Creating Digital Archives of 3D Artworks

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Proposal : IIS-0087158Institution: Stanford UniversityPI: Marc LevoyTitle: Creating Digital Archives of 3D ArtworkRecent improvements in laser rangefinder technology, together with algorithms for combining multiple range and color images, allows accurate digitization of the external shape and surface characteristics of many physical objects. This capability makes it possible for the first time to digitize and archive substantial bodies of three-dimensional artistic and cultural artifacts, such as statues, buildings, and archeological remains. Although the methodologies needed to create and manage digital archives of two-dimensional artifacts have matured substantially in the last ten years, the jump from two to three dimensions poses new problems. These are problems of both scale and substance, and they touch on every aspect of digital archiving: storage, indexing, searching, distribution, viewing, and piracy protection. This pilot project, will focus on the following subproblems of this new domain:(1) cataloguing 3D artworks using techniques from image-based rendering,(2) searching catalogues (and the Internet) for 3D models or rendered views(3) protecting 3D archives against piracy using robust 3D digital watermarking,(4) efficient streaming of 3D models over networks of limited bandwidth, and (5) real-time display of large 3D models on low-cost PCs.As test data, a 250 gigabyte archive of the sculptures of Michelangelo and the fragments of the Forma Urbis Romae, a giant marble map of ancient Rome will be used. The data for this archive was generated during a year-long digitization effort called the Digital Michelangelo Project.