Auxiliary Features‐Guided Super Resolution for Monte Carlo Rendering

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dc.contributor.authorHou, Qiqien_US
dc.contributor.authorLiu, Fengen_US
dc.contributor.editorAlliez, Pierreen_US
dc.contributor.editorWimmer, Michaelen_US
dc.date.accessioned2024-03-23T10:14:53Z
dc.date.available2024-03-23T10:14:53Z
dc.date.issued2024
dc.description.abstractThis paper investigates super‐resolution to reduce the number of pixels to render and thus speed up Monte Carlo rendering algorithms. While great progress has been made to super‐resolution technologies, it is essentially an ill‐posed problem and cannot recover high‐frequency details in renderings. To address this problem, we exploit high‐resolution auxiliary features to guide super‐resolution of low‐resolution renderings. These high‐resolution auxiliary features can be quickly rendered by a rendering engine and at the same time provide valuable high‐frequency details to assist super‐resolution. To this end, we develop a cross‐modality transformer network that consists of an auxiliary feature branch and a low‐resolution rendering branch. These two branches are designed to fuse high‐resolution auxiliary features with the corresponding low‐resolution rendering. Furthermore, we design Residual Densely Connected Swin Transformer groups to learn to extract representative features to enable high‐quality super‐resolution. Our experiments show that our auxiliary features‐guided super‐resolution method outperforms both super‐resolution methods and Monte Carlo denoising methods in producing high‐quality renderings.en_US
dc.description.number1
dc.description.sectionheadersARTICLES
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume43
dc.identifier.doi10.1111/cgf.14987
dc.identifier.issn1467-8659
dc.identifier.pages14 pages
dc.identifier.urihttps://doi.org/10.1111/cgf.14987
dc.identifier.urihttps://diglib.eg.org/handle/10.1111/cgf14987
dc.publisher© 2024 Eurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltd.en_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectsuper‐resolution
dc.subjectfast‐to‐compute auxiliary features
dc.subjecttransformer
dc.subjectMonte Carlo rendering
dc.titleAuxiliary Features‐Guided Super Resolution for Monte Carlo Renderingen_US
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