Hierarchical Quantized Autoencoders
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Abstract (arXiv)
Despite progress in training neural networks for lossy image compression, current approaches fail to maintain both perceptual quality and abstract features at very low bitrates. Encouraged by recent success in learning discrete representations with Vector Quantized Variational Autoencoders (VQ-VAEs), we motivate the use of a hierarchy of VQ-VAEs to attain high factors of compression. We show that the combination of stochastic quantization and hierarchical latent structure aids likelihood-based image compression. This leads us to introduce a novel objective for training hierarchical VQ-VAEs. Our resulting scheme produces a Markovian series of latent variables that reconstruct images of high-perceptual quality which retain semantically meaningful features. We provide qualitative and quantitative evaluations on the CelebA and MNIST datasets.
Key facts. Cited by 57 papers in the map (data through 14 Oct 2026). First posted on arXiv 19 Feb 2020.
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Citing papers per year: 2021: 3; 2022: 5; 2023: 17; 2024: 11; 2025: 14; 2026: 7.
57 papers.
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- 2023T2M-GPT: Generating Human Motion from Textual Descriptions with Discrete Representationscited by 588
- 2023Finite Scalar Quantization: VQ-VAE Made Simplecited by 440
- 2023AttT2M: Text-Driven Human Motion Generation with Multi-Perspective Attention Mechanismcited by 117
- 2023Straightening Out the Straight-Through Estimator: Overcoming Optimization Challenges in Vector Quantized Networkscited by 82
- 2024Scaling the Codebook Size of VQGAN to 100,000 with a Utilization Rate of 99%cited by 68
- 2023Online Clustered Codebookcited by 55
- 2021Soft then Hard: Rethinking the Quantization in Neural Image Compressioncited by 51
- 2024MoGenTS: Motion Generation based on Spatial-Temporal Joint Modelingcited by 41
- 2023DiverseMotion: Towards Diverse Human Motion Generation via Discrete Diffusioncited by 37
- 2022Lossy Image Compression with Quantized Hierarchical VAEscited by 35
- 2023QARV: Quantization-Aware ResNet VAE for Lossy Image Compressioncited by 32
- 2024T2S-GPT: Dynamic Vector Quantization for Autoregressive Sign Language Production from Textcited by 30
38 more
- 2023HQ-VAE: Hierarchical Discrete Representation Learning with Variational Bayescited by 27
- 2022Hierarchical Sketch Induction for Paraphrase Generationcited by 22
- 2023Vector Quantized Wasserstein Auto-Encodercited by 22
- 2023EdVAE: Mitigating Codebook Collapse with Evidential Discrete Variational Autoencoderscited by 16
- 2024Codebook Transfer with Part-of-Speech for Vector-Quantized Image Modelingcited by 16
- 2024Fine-Grained Causal Dynamics Learning with Quantization for Improving Robustness in Reinforcement Learningcited by 11
- 2023StraIT: Non-autoregressive Generation with Stratified Image Transformercited by 10
- 2023T2M-HiFiGPT: Generating High Quality Human Motion from Textual Descriptions with Residual Discrete Representationscited by 10
- 2021Hierarchical disentangled representation learning for singing voice conversioncited by 9
- 2025Discrete Tokenization for Multimodal LLMs: A Comprehensive Surveycited by 8
- 2025GAITGen: Disentangled Motion-Pathology Impaired Gait Generative Model -- Bringing Motion Generation to the Clinical Domaincited by 7
- 2022Hierarchical Residual Learning Based Vector Quantized Variational Autoencoder for Image Reconstruction and Generationcited by 6
- 2024MaskHand: Generative Masked Modeling for Robust Hand Mesh Reconstruction in the Wildcited by 5
- 2025Enhancing Vector Quantization with Distributional Matching: A Theoretical and Empirical Studycited by 5
- 2025MoSa: Motion Generation with Scalable Autoregressive Modelingcited by 5
- 2022Semantic Image Synthesis with Semantically Coupled VQ-Modelcited by 4
- 2023Tokenization with Factorized Subword Encodingcited by 4
- 2023LL-VQ-VAE: Learnable Lattice Vector-Quantization For Efficient Representationscited by 4
- 2025Virtual Full-stack Scanning of Brain MRI via Imputing Any Quantised Codecited by 4
- 2024Rate-Adaptive Quantization: A Multi-Rate Codebook Adaptation for Vector Quantization-based Generative Modelscited by 3
- 2024CigTime: Corrective Instruction Generation Through Inverse Motion Editingcited by 3
- 2025MSDformer: Multi-scale Discrete Transformer For Time Series Generationcited by 3
- 2023MEMORY-VQ: Compression for Tractable Internet-Scale Memorycited by 2
- 2023Discrete Distribution Networkscited by 2
- 2024Gaussian Mixture Vector Quantization with Aggregated Categorical Posteriorcited by 2
- 2025Graph is a Natural Regularization: Revisiting Vector Quantization for Graph Representation Learningcited by 2
- 2025Exploiting Discriminative Codebook Prior for Autoregressive Image Generationcited by 2
- 2025MoReFlow: Motion Retargeting Learning through Unsupervised Flow Matchingcited by 2
- 2021Learned transform compression with optimized entropy encodingcited by 1
- 2022Multiresolution Signal Processing of Financial Market Objectscited by 1
- 2024Dynamic Motion Synthesis: Masked Audio-Text Conditioned Spatio-Temporal Transformerscited by 1
- 2026Distributional Matching for Vector Quantization: A Unified Theoretical and Empirical Frameworkcited by 1
- 2023MAGMA: Music Aligned Generative Motion Autodecodercited by 0
- 2024Deep-Learned Compression for Radio-Frequency Signal Classificationcited by 0
- 2025Dual Codebook VQ: Enhanced Image Reconstruction with Reduced Codebook Sizecited by 0
- 2025POET: Prompt Offset Tuning for Continual Human Action Adaptationcited by 0
- 2025BiomechGPT: Extending Motion-Language Models to Clinical Motion Understandingcited by 0
- 2025Information-theoretic Generalization Analysis for VQ-VAEs: A Role of Latent Variablescited by 0
50 most cited of 57 All 57 (JSON)
- 2026A Unified Rate-Distortion Perspective on Vector, Product, and Scalar Quantization2 Sep 2026
- 2026Preference Shapes Relevance: Cross-component Hierarchical Semantic Alignment for Personalized Generative Retrieval31 Aug 2026
- 2026Distributional Matching for Vector Quantization: A Unified Theoretical and Empirical Framework17 Jul 2026
- 2026NSVQ: Mitigating Codebook Collapse by Stabilizing Encoder Drift in Vector Quantization9 Jun 2026
- 2026ArcVQ-VAE: A Spherical Vector Quantization Framework with ArcCosine Additive Margin13 May 2026
- 2026Adaptive Inverted-Index Routing for Granular Mixtures-of-Experts6 May 2026
- 2026LooC: Effective Low-Dimensional Codebook for Compositional Vector Quantization1 Jan 2026
- 2025MoSa: Motion Generation with Scalable Autoregressive Modeling3 Nov 2025
- 2025MoReFlow: Motion Retargeting Learning through Unsupervised Flow Matching29 Sep 2025
- 2025Exploiting Discriminative Codebook Prior for Autoregressive Image Generation14 Aug 2025
- 2025Graph is a Natural Regularization: Revisiting Vector Quantization for Graph Representation Learning8 Aug 2025
- 2025Discrete Tokenization for Multimodal LLMs: A Comprehensive Survey21 Jul 2025
38 more
- 2025Enhancing Vector Quantization with Distributional Matching: A Theoretical and Empirical Study18 Jun 2025
- 2025Task-Driven Discrete Representation Learning13 Jun 2025
- 2025Information-theoretic Generalization Analysis for VQ-VAEs: A Role of Latent Variables26 May 2025
- 2025BiomechGPT: Extending Motion-Language Models to Clinical Motion Understanding24 May 2025
- 2025MSDformer: Multi-scale Discrete Transformer For Time Series Generation20 May 2025
- 2025POET: Prompt Offset Tuning for Continual Human Action Adaptation25 Apr 2025
- 2025GAITGen: Disentangled Motion-Pathology Impaired Gait Generative Model -- Bringing Motion Generation to the Clinical Domain28 Mar 2025
- 2025Dual Codebook VQ: Enhanced Image Reconstruction with Reduced Codebook Size13 Mar 2025
- 2025Virtual Full-stack Scanning of Brain MRI via Imputing Any Quantised Code30 Jan 2025
- 2024MaskHand: Generative Masked Modeling for Robust Hand Mesh Reconstruction in the Wild18 Dec 2024
- 2024CigTime: Corrective Instruction Generation Through Inverse Motion Editing6 Dec 2024
- 2024Gaussian Mixture Vector Quantization with Aggregated Categorical Posterior14 Oct 2024
- 2024MoGenTS: Motion Generation based on Spatial-Temporal Joint Modeling26 Sep 2024
- 2024Dynamic Motion Synthesis: Masked Audio-Text Conditioned Spatio-Temporal Transformers3 Sep 2024
- 2024Scaling the Codebook Size of VQGAN to 100,000 with a Utilization Rate of 99%17 Jun 2024
- 2024T2S-GPT: Dynamic Vector Quantization for Autoregressive Sign Language Production from Text11 Jun 2024
- 2024Fine-Grained Causal Dynamics Learning with Quantization for Improving Robustness in Reinforcement Learning5 Jun 2024
- 2024Rate-Adaptive Quantization: A Multi-Rate Codebook Adaptation for Vector Quantization-based Generative Models23 May 2024
- 2024Codebook Transfer with Part-of-Speech for Vector-Quantized Image Modeling15 Mar 2024
- 2024Deep-Learned Compression for Radio-Frequency Signal Classification5 Mar 2024
- 2023HQ-VAE: Hierarchical Discrete Representation Learning with Variational Bayes31 Dec 2023
- 2023Discrete Distribution Networks29 Dec 2023
- 2023T2M-HiFiGPT: Generating High Quality Human Motion from Textual Descriptions with Residual Discrete Representations17 Dec 2023
- 2023LL-VQ-VAE: Learnable Lattice Vector-Quantization For Efficient Representations13 Oct 2023
- 2023EdVAE: Mitigating Codebook Collapse with Evidential Discrete Variational Autoencoders9 Oct 2023
- 2023Finite Scalar Quantization: VQ-VAE Made Simple27 Sep 2023
- 2023DiverseMotion: Towards Diverse Human Motion Generation via Discrete Diffusion4 Sep 2023
- 2023MAGMA: Music Aligned Generative Motion Autodecoder3 Sep 2023
- 2023AttT2M: Text-Driven Human Motion Generation with Multi-Perspective Attention Mechanism2 Sep 2023
- 2023MEMORY-VQ: Compression for Tractable Internet-Scale Memory28 Aug 2023
- 2023Online Clustered Codebook27 Jul 2023
- 2023Tokenization with Factorized Subword Encoding13 Jun 2023
- 2023Straightening Out the Straight-Through Estimator: Overcoming Optimization Challenges in Vector Quantized Networks15 May 2023
- 2023StraIT: Non-autoregressive Generation with Stratified Image Transformer1 Mar 2023
- 2023QARV: Quantization-Aware ResNet VAE for Lossy Image Compression16 Feb 2023
- 2023Vector Quantized Wasserstein Auto-Encoder12 Feb 2023
- 2023T2M-GPT: Generating Human Motion from Textual Descriptions with Discrete Representations15 Jan 2023
- 2022Multiresolution Signal Processing of Financial Market Objects28 Oct 2022
50 newest of 57 All 57 (JSON)
- 2023T2M-GPT: Generating Human Motion from Textual Descriptions with Discrete Representationscited by 588
- 2023Finite Scalar Quantization: VQ-VAE Made Simplecited by 440
- 2023AttT2M: Text-Driven Human Motion Generation with Multi-Perspective Attention Mechanismcited by 117
- 2023Straightening Out the Straight-Through Estimator: Overcoming Optimization Challenges in Vector Quantized Networkscited by 82
- 2024Scaling the Codebook Size of VQGAN to 100,000 with a Utilization Rate of 99%cited by 68
- 2023Online Clustered Codebookcited by 55
- 2021Soft then Hard: Rethinking the Quantization in Neural Image Compressioncited by 51
- 2024MoGenTS: Motion Generation based on Spatial-Temporal Joint Modelingcited by 41
- 2022Lossy Image Compression with Quantized Hierarchical VAEscited by 35
- 2023QARV: Quantization-Aware ResNet VAE for Lossy Image Compressioncited by 32
- 2024T2S-GPT: Dynamic Vector Quantization for Autoregressive Sign Language Production from Textcited by 30
- 2023HQ-VAE: Hierarchical Discrete Representation Learning with Variational Bayescited by 27
12 most cited of 51 All 51 (JSON)
- 2026A Unified Rate-Distortion Perspective on Vector, Product, and Scalar Quantization2 Sep 2026
- 2026Preference Shapes Relevance: Cross-component Hierarchical Semantic Alignment for Personalized Generative Retrieval31 Aug 2026
- 2026Distributional Matching for Vector Quantization: A Unified Theoretical and Empirical Framework17 Jul 2026
- 2026NSVQ: Mitigating Codebook Collapse by Stabilizing Encoder Drift in Vector Quantization9 Jun 2026
- 2026ArcVQ-VAE: A Spherical Vector Quantization Framework with ArcCosine Additive Margin13 May 2026
- 2026LooC: Effective Low-Dimensional Codebook for Compositional Vector Quantization1 Jan 2026
- 2025MoSa: Motion Generation with Scalable Autoregressive Modeling3 Nov 2025
- 2025Exploiting Discriminative Codebook Prior for Autoregressive Image Generation14 Aug 2025
- 2025Graph is a Natural Regularization: Revisiting Vector Quantization for Graph Representation Learning8 Aug 2025
- 2025Enhancing Vector Quantization with Distributional Matching: A Theoretical and Empirical Study18 Jun 2025
- 2025Task-Driven Discrete Representation Learning13 Jun 2025
- 2025Information-theoretic Generalization Analysis for VQ-VAEs: A Role of Latent Variables26 May 2025
12 newest of 51 All 51 (JSON)