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Pixel to Gaussian: Ultra-Fast Continuous Super-Resolution with 2D Gaussian Modeling

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arxiv 2503.06617 v1 pith:HNU5MCVQ submitted 2025-03-09 cs.CV

Pixel to Gaussian: Ultra-Fast Continuous Super-Resolution with 2D Gaussian Modeling

classification cs.CV
keywords gaussianarbitrary-scalesuper-resolutionupsamplingconstrainedcontinuouscontinuoussrdecoding
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

Arbitrary-scale super-resolution (ASSR) aims to reconstruct high-resolution (HR) images from low-resolution (LR) inputs with arbitrary upsampling factors using a single model, addressing the limitations of traditional SR methods constrained to fixed-scale factors (\textit{e.g.}, $\times$ 2). Recent advances leveraging implicit neural representation (INR) have achieved great progress by modeling coordinate-to-pixel mappings. However, the efficiency of these methods may suffer from repeated upsampling and decoding, while their reconstruction fidelity and quality are constrained by the intrinsic representational limitations of coordinate-based functions. To address these challenges, we propose a novel ContinuousSR framework with a Pixel-to-Gaussian paradigm, which explicitly reconstructs 2D continuous HR signals from LR images using Gaussian Splatting. This approach eliminates the need for time-consuming upsampling and decoding, enabling extremely fast arbitrary-scale super-resolution. Once the Gaussian field is built in a single pass, ContinuousSR can perform arbitrary-scale rendering in just 1ms per scale. Our method introduces several key innovations. Through statistical ana

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Cited by 13 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

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    cs.CV 2026-06 unverdicted novelty 7.0

    Resonant Brane Splatting augments Gaussians with internal Hermite modes to create Branes that reconstruct fine details with fewer primitives, plus an efficient differentiable rasterizer for arbitrary-scale super-resolution.

  2. Event-Illumination Collaborative Low-light Image Enhancement with a High-resolution Real-world Dataset

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    EIC-LIE uses an event-illumination collaborative module and illumination-aware event filter plus a new real-world dataset to improve low-light image enhancement over prior methods.

  3. GS-STVSR: Ultra-Efficient Continuous Spatio-Temporal Video Super-Resolution via 2D Gaussian Splatting

    cs.CV 2026-04 unverdicted novelty 7.0

    GS-STVSR achieves state-of-the-art continuous spatio-temporal video super-resolution quality with nearly constant inference time at standard scales and over 3x speedup at extreme scales using 2D Gaussian Splatting.

  4. PhyMRI-SR: Toward Physics-Aware MRI Image Super-Resolution

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    A 2D Gaussian Splatting framework with MRI-specific anatomical priors, physics-constrained intensity modeling, and meta-learning domain adaptation achieves state-of-the-art MRI super-resolution while showing that inte...

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    Resonant Brane Splatting augments Gaussian splatting with higher-order modes to enable faster, higher-quality arbitrary-scale super-resolution via direct prediction and efficient culling.

  8. GSPan: A Continuous Gaussian Primitive Representation for Arbitrary-Scale Pansharpening

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