SparseDR: Differentiable Rendering of Sparse Signed Distance Fields

Budak, Alexey; Garifullin, Albert; Frolov, Vladimir

doi:10.24963/ijcai.2026/959

SparseDR: Differentiable Rendering of Sparse Signed Distance Fields

Alexey Budak, Albert Garifullin, Vladimir Frolov

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Proceedings of the Thirty-Fifth International Joint Conference on Artificial Intelligence. Demo Track. Pages 8371-8374.

https://doi.org/10.24963/ijcai.2026/959

Keywords

AI: Computer Vision
AI: Machine Learning

Abstract

We present SparseDR, a novel differentiable rendering algorithm designed for sparse representations based on Signed Distance Fields (SDF). We leverage the Sparse Brick Set representation and propose an adaptation of redistancing for sparse SDFs. This enables SparseDR to surpass existing works in accuracy of surface reconstruction by increasing the effective resolution of the SDF representation. SparseDR is efficiently implemented in C++ and Vulkan, achieving several times shorter reconstruction time than other methods.

Alexey Budak, Albert Garifullin, and Vladimir Frolov. 2026. SparseDR: Differentiable Rendering of Sparse Signed Distance Fields. In Proceedings of the Thirty-Fifth International Joint Conference on Artificial Intelligence, IJCAI-26. IJCAI, 8371–8374. https://doi.org/10.24963/ijcai.2026/959

@inproceedings{ijcai2026p959,
  title     = {SparseDR: Differentiable Rendering of Sparse Signed Distance Fields},
  author    = {Budak, Alexey and Garifullin, Albert and Frolov, Vladimir},
  booktitle = {Proceedings of the Thirty-Fifth International Joint Conference on
               Artificial Intelligence, {IJCAI-26}},
  publisher = {International Joint Conferences on Artificial Intelligence Organization},
  editor    = {Diego Calvanese},
  pages     = {8371--8374},
  year      = {2026},
  month     = {8},
  note      = {Demo Track},
  doi       = {10.24963/ijcai.2026/959},
  url       = {https://doi.org/10.24963/ijcai.2026/959},
}

TY  - CPAPER
TI  - SparseDR: Differentiable Rendering of Sparse Signed Distance Fields
AU  - Budak, Alexey
AU  - Garifullin, Albert
AU  - Frolov, Vladimir
T2  - Proceedings of the Thirty-Fifth International Joint Conference on Artificial Intelligence, IJCAI-26
PB  - International Joint Conferences on Artificial Intelligence Organization
PY  - 2026
SP  - 8371
EP  - 8374
DO  - 10.24963/ijcai.2026/959
UR  - https://doi.org/10.24963/ijcai.2026/959
ER  -