A Practical Inverse Rendering Strategy for Enhanced Albedo Estimation for Cultural Heritage Model Reconstruction

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dc.contributor.authorPintus, Ruggeroen_US
dc.contributor.authorZorcolo, Antonioen_US
dc.contributor.authorJaspe-Villanueva, Albertoen_US
dc.contributor.authorGobbetti, Enricoen_US
dc.contributor.editorCampana, Stefanoen_US
dc.contributor.editorFerdani, Danieleen_US
dc.contributor.editorGraf, Holgeren_US
dc.contributor.editorGuidi, Gabrieleen_US
dc.contributor.editorHegarty, Zackaryen_US
dc.contributor.editorPescarin, Sofiaen_US
dc.contributor.editorRemondino, Fabioen_US
dc.date.accessioned2025-09-05T20:05:32Z
dc.date.available2025-09-05T20:05:32Z
dc.date.issued2025
dc.description.abstractWe present a practical single-image framework to address uncontrolled global and local illumination effects in flash photography for improved albedo estimation and color projection onto 3D cultural heritage models. Our approach leverages an inverse rendering pipeline to process a single registered flash photograph and models ambient illumination due to environmental reflections and local interreflections. By compensating for direct and indirect light contributions, we recover a more reliable albedo signal for color projection onto the 3D model. We validate our method through extensive evaluations on two synthetic datasets and real-world acquisitions in conservation and museum settings, demonstrating its effectiveness in improving photometric accuracy and support for relighting, and proper integration of optimized color data into existing 3D models.en_US
dc.description.sectionheadersDigitization and Technology
dc.description.seriesinformationDigital Heritage
dc.identifier.doi10.2312/dh.20253025
dc.identifier.isbn978-3-03868-277-6
dc.identifier.pages10 pages
dc.identifier.urihttps://doi.org/10.2312/dh.20253025
dc.identifier.urihttps://diglib.eg.org/handle/10.2312/dh20253025
dc.publisherThe Eurographics Associationen_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCCS Concepts: Computing methodologies → Reflectance modeling; Computational photography; Appearance and texture representations; Reconstruction
dc.subjectComputing methodologies → Reflectance modeling
dc.subjectComputational photography
dc.subjectAppearance and texture representations
dc.subjectReconstruction
dc.titleA Practical Inverse Rendering Strategy for Enhanced Albedo Estimation for Cultural Heritage Model Reconstructionen_US
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