In Proceedings of Graphics Interface

Layered Weighted Blended Order-Independent Transparency

Fabian Friederichs, Martin Eisemann, and Elmar Eisemann

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Our approach improves the accuracy of weighted blended order-independent transparency, while remaining efficient and easy to implement. We extend the original algorithm to a layer-based approach, where the content of each layer is blended independently before compositing them globally. Hereby, we achieve a partial ordering but avoid explicit sorting of all elements. To ensure smooth transitions across layers, we introduce a new weighting function. Additionally, we propose several optimizations and demonstrate the method’s effectiveness on various challenging scenes in terms of geometric- and depth complexity. We achieve an error reduction more than an order of magnitude on average compared to weighted blended order-independent transparency for our test scenes.

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@inproceedings{bib:friederichs:2021,
    author       = { Friederichs, Fabian and Eisemann, Martin and Eisemann, Elmar },    
    title        = { Layered Weighted Blended Order-Independent Transparency },
    booktitle    = { In Proceedings of Graphics Interface },
    year         = { 2021 },
    pages        = { 196--202 },
    doi          = { 10.20380/GI2021.22 },
    dblp         = { conf/graphicsinterface/FriederichsEE21 },
    url          = { https://publications.graphics.tudelft.nl/papers/88 },
}