OpenLIME: An open and flexible web framework for creating and exploring complex multi-layered relightable image models

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dc.contributor.authorPonchio, Federicoen_US
dc.contributor.authorBettio, Fabioen_US
dc.contributor.authorMarton, Fabioen_US
dc.contributor.authorPintus, Ruggeroen_US
dc.contributor.authorRighetto, Leonardoen_US
dc.contributor.authorGiachetti, Andreaen_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.accessioned2025-09-05T20:35:12Z
dc.date.available2025-09-05T20:35:12Z
dc.date.issued2025
dc.description.abstractWe introduce OpenLIME (Open Layered IMage Explorer), an open, scalable, and flexible framework for creating web-based interactive tools to annotate and inspect large multi-layered and multi-channel standard and relightable image models. Adaptive image management and display use a data-flow approach, where images from sources of any size are efficiently streamed into screen-sized buffers that can be processed and combined using customizable WebGL shaders. The framework natively supports multispectral images, Bidirectional Reflectance Distribution Function (BRDF), and Reflectance Transformation Imaging (RTI) datasets and can be extended to accommodate other multi-channel raster datasets, such as neural representations. Multi-layer and multi-faceted visualizations are achieved through opacity adjustments, blending modes, and interactive lenses. The released library provides a set of pre-configured layers, facilitating the rapid deployment of web-based datasets and kiosk applications. Its responsive user interface is compatible with desktop, mobile, and general multitouch environments, while its modular architecture allows for extensive customization, making it adaptable to diverse annotation and visualization needs. The paper illustrates the framework's design and discusses specific use cases, including the inspection of RTI models, the integration of novel relightable image formats, archaeological data documentation and annotation, and standalone museum application creation and deployment. The main components of the framework are released as open source.en_US
dc.description.sectionheadersXR Platforms and Frameworks for Cultural Engagement
dc.description.seriesinformationDigital Heritage
dc.identifier.doi10.2312/dh.20253240
dc.identifier.isbn978-3-03868-277-6
dc.identifier.pages10 pages
dc.identifier.urihttps://doi.org/10.2312/dh.20253240
dc.identifier.urihttps://diglib.eg.org/handle/10.2312/dh20253240
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 → Graphics systems and interfaces; Applied computing → Arts and humanities
dc.subjectComputing methodologies → Graphics systems and interfaces
dc.subjectApplied computing → Arts and humanities
dc.titleOpenLIME: An open and flexible web framework for creating and exploring complex multi-layered relightable image modelsen_US
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