Cascaded Local Implicit Transformer for Arbitrary-Scale Super-Resolution
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Abstract (arXiv)
Implicit neural representation has recently shown a promising ability in representing images with arbitrary resolutions. In this paper, we present a Local Implicit Transformer (LIT), which integrates the attention mechanism and frequency encoding technique into a local implicit image function. We design a cross-scale local attention block to effectively aggregate local features. To further improve representative power, we propose a Cascaded LIT (CLIT) that exploits multi-scale features, along with a cumulative training strategy that gradually increases the upsampling scales during training. We have conducted extensive experiments to validate the effectiveness of these components and analyze various training strategies. The qualitative and quantitative results demonstrate that LIT and CLIT achieve favorable results and outperform the prior works in arbitrary super-resolution tasks.
Key facts. Cited by 51 papers in the map (data through 7 Oct 2026). Builds on 43 of its 54 references that are in the map. First posted on arXiv 29 Mar 2023.
Builds on
43 of 54 references.
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Citing papers per year: 2023: 2; 2024: 24; 2025: 16; 2026: 9.
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- 2026Single Image Super-Resolution via Bivariate `A Trous Wavelet Diffusion7 Mar 2026
- 2026Implicit Neural Representation-Based Continuous Single Image Super-Resolution: An Empirical Benchmark25 Jan 2026
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- 2025Rotation Equivariant Arbitrary-scale Image Super-Resolution7 Aug 2025
- 2025Attention-Guided Multi-Scale Local Reconstruction for Point Clouds via Masked Autoencoder Self-Supervised Learning5 Jul 2025
- 2025Stroke-based Cyclic Amplifier: Image Super-Resolution at Arbitrary Ultra-Large Scales12 Jun 2025
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- 2025StereoINR: Cross-View Geometry Consistent Stereo Super Resolution with Implicit Neural Representation7 May 2025
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- 2025Blind Video Super-Resolution based on Implicit Kernels10 Mar 2025
- 2025Pixel to Gaussian: Ultra-Fast Continuous Super-Resolution with 2D Gaussian Modeling9 Mar 2025
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- 2025Generalized and Efficient 2D Gaussian Splatting for Arbitrary-scale Super-Resolution12 Jan 2025
- 2024Test-time Cost-and-Quality Controllable Arbitrary-Scale Super-Resolution with Variable Fourier Components7 Dec 2024
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- 2024Boosting Flow-based Generative Super-Resolution Models via Learned Prior16 Mar 2024
- 2024Multi-Scale Implicit Transformer with Re-parameterize for Arbitrary-Scale Super-Resolution11 Mar 2024
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- 2024Learning A Physical-aware Diffusion Model Based on Transformer for Underwater Image Enhancementcited by 24
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- 2024SSL: A Self-similarity Loss for Improving Generative Image Super-resolutioncited by 5
- 2024Adaptive Multi-modal Fusion of Spatially Variant Kernel Refinement with Diffusion Model for Blind Image Super-Resolutioncited by 1
- 2025Self-Cascaded Diffusion Models for Arbitrary-Scale Image Super-Resolutioncited by 1
- 2025OmniScaleSR: Unleashing Scale-Controlled Diffusion Prior for Faithful and Realistic Arbitrary-Scale Image Super-Resolutioncited by 1
- 2025OmniScaleSR: Unleashing Scale-Controlled Diffusion Prior for Faithful and Realistic Arbitrary-Scale Image Super-Resolution4 Dec 2025
- 2025Self-Cascaded Diffusion Models for Arbitrary-Scale Image Super-Resolution9 Jun 2025
- 2024HoliSDiP: Image Super-Resolution via Holistic Semantics and Diffusion Prior27 Nov 2024
- 2024SSL: A Self-similarity Loss for Improving Generative Image Super-resolution11 Aug 2024
- 2024Adaptive Multi-modal Fusion of Spatially Variant Kernel Refinement with Diffusion Model for Blind Image Super-Resolution9 Mar 2024
- 2024Learning A Physical-aware Diffusion Model Based on Transformer for Underwater Image Enhancement3 Mar 2024
- 2024Bidirectional Multi-Scale Implicit Neural Representations for Image Derainingcited by 54
- 2025Pixel to Gaussian: Ultra-Fast Continuous Super-Resolution with 2D Gaussian Modelingcited by 47
- 2024Latent Modulated Function for Computational Optimal Continuous Image Representationcited by 21
- 2025Generalized and Efficient 2D Gaussian Splatting for Arbitrary-scale Super-Resolutioncited by 21
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- 2024CycleINR: Cycle Implicit Neural Representation for Arbitrary-Scale Volumetric Super-Resolution of Medical Datacited by 15
- 2024DiffFNO: Diffusion Fourier Neural Operatorcited by 13
- 2024Fourier-enhanced Implicit Neural Fusion Network for Multispectral and Hyperspectral Image Fusioncited by 10
- 2024Arbitrary-Scale Video Super-Resolution with Structural and Textural Priorscited by 9
- 2024Boosting Flow-based Generative Super-Resolution Models via Learned Priorcited by 7
- 2024HR-INR: Continuous Space-Time Video Super-Resolution via Event Cameracited by 6
- 2023Thera: Aliasing-Free Arbitrary-Scale Super-Resolution with Neural Heat Fieldscited by 5
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- 2026PixelSR: Efficient Screen Content Super-Resolution via Pixel Classification1 Aug 2026
- 2026Resonant Brane Splatting for Arbitrary-Scale Super-Resolution28 Jun 2026
- 2026Adaptive Densification for High-Fidelity and Efficient Sparse Gaussian Splatting in Arbitrary-Scale Super-Resolution28 Jun 2026
- 2026Fidelity- and Perception-Aware Local Implicit Attention for Arbitrary-Scale Image Super-Resolution20 Jun 2026
- 2026GB-LSR: Local Spectral Decoding with a Learned Global Bandwidth for Arbitrary-Scale Super-Resolution17 Jun 2026
- 2026Frequency Decoupled Framework for Screen Content Image Super-Resolution8 Jun 2026
- 2026Single Image Super-Resolution via Bivariate `A Trous Wavelet Diffusion7 Mar 2026
- 2026Implicit Neural Representation-Based Continuous Single Image Super-Resolution: An Empirical Benchmark25 Jan 2026
- 2025SuperF: Neural Implicit Fields for Multi-Image Super-Resolution9 Dec 2025
- 2025BasicAVSR: Arbitrary-Scale Video Super-Resolution via Image Priors and Enhanced Motion Compensation30 Oct 2025
- 2025Towards Robust and Generalizable Continuous Space-Time Video Super-Resolution with Events4 Oct 2025
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