Alias-Free Convnets: Fractional Shift Invariance via Polynomial Activations
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Abstract (arXiv)
Although CNNs are believed to be invariant to translations, recent works have shown this is not the case, due to aliasing effects that stem from downsampling layers. The existing architectural solutions to prevent aliasing are partial since they do not solve these effects, that originate in non-linearities. We propose an extended anti-aliasing method that tackles both downsampling and non-linear layers, thus creating truly alias-free, shift-invariant CNNs. We show that the presented model is invariant to integer as well as fractional (i.e., sub-pixel) translations, thus outperforming other shift-invariant methods in terms of robustness to adversarial translations.
Key facts. Cited by 11 papers in the map (data through 14 Oct 2026). Builds on 22 of its 36 references that are in the map. First posted on arXiv 14 Mar 2023.
Builds on
22 of 36 references.
References · 22
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10 more
- 2020Delving Deeper into Anti-aliasing in ConvNetscited by 60
- 2020Truly shift-invariant convolutional neural networkscited by 53
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- 2022Equivariance Discovery by Learned Parameter-Sharingcited by 18
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- 2021Group Equivariant Subsamplingcited by 15
- 2020Shift Equivariance in Object Detectioncited by 13
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Built on by
Citing papers per year: 2023: 4; 2024: 0; 2025: 5; 2026: 2.
11 papers.
- 2023Making Vision Transformers Truly Shift-Equivariantcited by 16
- 2025Alias-Free Latent Diffusion Models: Improving Fractional Shift Equivariance of Diffusion Latent Spacecited by 14
- 2023Optimizing PatchCore for Few/many-shot Anomaly Detectioncited by 10
- 2025Shifting the Paradigm: A Diffeomorphism Between Time Series Data Manifolds for Achieving Shift-Invariancy in Deep Learningcited by 5
- 2023CoNO: Complex Neural Operator for Continuous Dynamical Systemscited by 4
- 2023Exponential Quantum Communication Advantage in Distributed Inference and Learningcited by 3
- 2025Alias-Free ViT: Fractional Shift Invariance via Linear Attentioncited by 2
- 2025Translation-Equivariance of Normalization Layers and Aliasing in Convolutional Neural Networkscited by 1
- 2025Equivariant Splitting: Self-supervised learning from incomplete datacited by 1
- 2026UNet-AF: Alias-free UNet architecturescited by 0
- 2026A Theory of Contrastive Learning with Natural Imagescited by 0
- 2026A Theory of Contrastive Learning with Natural Images8 Jul 2026
- 2026UNet-AF: Alias-free UNet architectures11 Mar 2026
- 2025Alias-Free ViT: Fractional Shift Invariance via Linear Attention26 Oct 2025
- 2025Equivariant Splitting: Self-supervised learning from incomplete data1 Oct 2025
- 2025Translation-Equivariance of Normalization Layers and Aliasing in Convolutional Neural Networks26 May 2025
- 2025Alias-Free Latent Diffusion Models: Improving Fractional Shift Equivariance of Diffusion Latent Space12 Mar 2025
- 2025Shifting the Paradigm: A Diffeomorphism Between Time Series Data Manifolds for Achieving Shift-Invariancy in Deep Learning27 Feb 2025
- 2023Exponential Quantum Communication Advantage in Distributed Inference and Learning11 Oct 2023
- 2023CoNO: Complex Neural Operator for Continuous Dynamical Systems3 Oct 2023
- 2023Optimizing PatchCore for Few/many-shot Anomaly Detection20 Jul 2023
- 2023Making Vision Transformers Truly Shift-Equivariant25 May 2023