Z-Thickness Blending: Effective Fragment Merging for Multi-Fragment Rendering

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dc.contributor.authorKim, Dongjoonen_US
dc.contributor.authorKye, Heewonen_US
dc.contributor.editorZhang, Fang-Lue and Eisemann, Elmar and Singh, Karanen_US
dc.date.accessioned2021-10-14T11:11:30Z
dc.date.available2021-10-14T11:11:30Z
dc.date.issued2021
dc.description.abstractAn effective fragment merging technique is presented in this study that addresses multi-fragment problems, including fragment overflow and z-fighting, and provides visual effects that are beneficial for various screen-space rendering algorithms. The proposed method merges locally adjacent fragments along the viewing direction to resolve the aforementioned problems based on cost-effective multi-layer representation and coplanar blending. We introduce a z-thickness model based on the radiosity spreading from the viewing z-direction. Moreover, we present the fragment-merging schemes and rules for determining the visibility of the merged fragments based on the proposed z-thickness model. The proposed method is targeted at multi-fragment rendering that handles individual fragments (e.g., k-buffer) instead of representing the fragments as an approximated transmittance function. In addition, our method provides a smooth visibility transition across overlapping fragments, resulting in visual advantages in various visualization applications. In this paper, we demonstrate the advantages of the proposed method through several screen-space rendering applications.en_US
dc.description.number7
dc.description.sectionheadersReal-Time Rendering
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume40
dc.identifier.doi10.1111/cgf.14409
dc.identifier.issn1467-8659
dc.identifier.pages149-160
dc.identifier.urihttps://doi.org/10.1111/cgf.14409
dc.identifier.urihttps://diglib.eg.org:443/handle/10.1111/cgf14409
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.subjectComputing methodologies
dc.subjectRendering
dc.titleZ-Thickness Blending: Effective Fragment Merging for Multi-Fragment Renderingen_US
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