2026-09-21T04:54:16Z https://www.ideals.illinois.edu/oai-pmh

oai:www.ideals.illinois.edu:2142/81766 2023-07-11 col_2142_5131 col_2142_10761 com_2142_5130 com_2142_10755 com_2142_234

David Kriegman Magda, Sebastian 2015-09-25T20:20:22Z 2015-09-25T20:20:22Z 10000-01-01 2007 2007 The second proposed method aims to model small-scale geometry of volumetric surface materials with complex reflectance. Instead of recovering the intricate geometry itself, it uses an appearance-based approach of volumetric texturing, which is a popular technique for rendering rich 3-D detail when a polygonal surface representation would be ineffective. Although efficient algorithms for rendering volumetric textures have been known for years, capturing the richness of real volumetric materials remains a challenging problem. The proposed technique generates a volumetric representation of a complex 3-D texture with unknown reflectance and structure. From the acquired reflectance data in the form of a 6-D Bidirectional Texture Function (BTF), the proposed method creates an efficient volumetric representation in the form of a stack of semi-transparent layers each representing a slice through the texture's volume. In addition to negligible storage requirements, this representation is ideally suited for hardware-accelerated real-time rendering. Made available in DSpace on 2015-09-25T20:20:22Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3269969.pdf: 3752199 bytes, checksum: 21bd3b44f1c41d8fc06acfa93d14fcb3 (MD5) Previous issue date: 2007 Embargo set by: Seth Robbins for item 83047 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 122 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007. http://hdl.handle.net/2142/81766 (MiAaPQ)AAI3269969 eng Computer Science Image-Based Reconstruction and Modeling of Geometry With Complex Reflectance in Non-Diffusive Media text Computer Science Computer Science University of Illinois at Urbana-Champaign Dissertation Ph.D.