A new autoencoder learns expressive posterior and conditional likelihood distributions.
problem Learning more expressive posterior and conditional likelihood distributions.
method Implicit autoencoder using two generative adversarial networks for reconstruction and regularization.
result Implicit autoencoder can disentangle content and style information.
A new method for conditional sampling using paired Wasserstein Autoencoders.
problem Conditional sampling from complex data distributions.
method Derive a novel loss function for Wasserstein Autoencoders to enable sampling from OT-type couplings.
result Learned cost-optimal transport maps and conditional sampling from an OT-type coupling.
A neural model samples arbitrary features conditioned on some inputs.
problem Sampling arbitrary features conditioned on some inputs.
method Variational autoencoder with stochastic variational Bayes training.
result Effectiveness and diversity of generated samples on synthetic data and feature problems.
New model improves multimodal autoencoders by learning joint and conditional distributions.
problem Limitations in recent multimodal autoencoders restrict their quality on complex datasets.
method Proposes a multistage training process with variational inference and Normalizing Flows, leveraging shared modality information.
result Achieves state-of-the-art results on benchmark datasets.
This paper explores using SSIM for better image generation in generative models.
problem Improving perceptual quality in generated images using ℓ2 norm. method Theoretical discussion and practical implementation of SSIM in generative models and autoencoders.
result SSIM can be used in generative models and autoencoders to generate better images.
Improved autoencoder for F0-consistent voice conversion.
problem Non-parallel many-to-many voice conversion with prosodic information leakage.
method Conditional autoencoder with information-constraining bottlenecks.
result Controlled F0 contour and improved speech quality.
Sigmoid autoencoders can implement associative memory with certain conditions.
problem Implementing associative memory in neural networks.
method Theoretical analysis of overparameterized sigmoid autoencoders using the NTK and iterative maps.
result Overparameterized sigmoid autoencoders can have attractors in the NTK limit, leading to associative memory.
Generative model creates drug-like molecules with multiple properties.
problem Designing molecules with multiple desired properties.
method Conditional Variational Autoencoder (VAE) in latent space control.
result Can generate drug-like molecules with five target properties.
This work tackles posterior collapse in conditional and hierarchical VAEs.
problem Posterior collapse in VAEs leads to poor latent variable representations.
method Theoretical analysis of linear conditional and hierarchical VAEs, empirical validation.
result Theoretical and empirical evidence of posterior collapse causes in conditional and hierarchical VAEs.
BAE uses boosting to improve autoencoder ensembles for robust outlier detection.
problem Overfitting in autoencoders limits their effectiveness in unsupervised outlier detection.
method Boosting-based Autoencoder Ensemble (BAE) trains autoencoders sequentially with weighted sampling to reduce outliers and inject diversity.
result BAE outperforms state-of-the-art approaches in various outlier detection conditions.
Paper models spatio-temporal extremes using conditional variational autoencoders.
problem Modeling co-occurrence of extreme weather events under changing climate conditions.
method Conditional Variational Autoencoder (cXVAE) with CNN integration.
result Accurately emulates spatial fields and recovers extremal dependence with low computational cost.
Robot predicts future frames for navigating dynamic environments using LSTM autoencoder.
problem Predicting movement of objects in dynamic environments with moving obstacles.
method Multi-layer LSTM autoencoder network that reconstructs future frames conditioned on the agent's action.
result The proposed network generates future frames that can be used by reinforcement learning for navigation.
New optimization criteria improve variational autoencoders for clearer images and latent features.
problem Improving clarity and informativeness of variational autoencoders' latent features and samples.
method Proposed new optimization criteria and a sequential VAE model.
result New criteria help generate clearer images and more informative latent features.
Proposes a new autoencoder-based method for handling missing data.
problem Missing data bias in various domains.
method Multiple imputation using overcomplete denoising autoencoders.
result Significantly outperforms state-of-the-art methods in handling missing data.
This work replaces pixel-wise reconstruction in VAEs with real NVP transformations.
problem Shortcomings of pixel-wise reconstruction in VAEs.
method Used real-valued non-volume preserving transformations (real NVP) for conditional likelihood computation.
result A simple VAE with real NVP is competitive with complex VAE structures on image modeling tasks.
Proposes variational autoencoder for efficient MMSE estimation.
problem Efficient parameterized MMSE estimation for noisy observations.
method Variational autoencoder models data distribution, approximates MMSE.
result Proposed estimator performs well compared to state-of-the-art.
CGNP embeds functional processes into latent vectors using graph neural networks.
problem Embedding and sampling functional processes over arbitrary domains.
method CGNP employs graph neural networks to embed and decode functional processes.
result CGNP effectively samples encoded functions over any domain.
Proposes a method to learn conditional VAEs from datasets with missing covariates.
problem Learning conditional VAEs from datasets with missing covariates.
method Augments conditional VAEs with a prior distribution for missing covariates and estimates their posterior using amortised variational inference.
result The proposed method outperforms previous methods in learning conditional VAEs from non-temporal, temporal, and longitudinal datasets.
Improved clustering and anomaly detection using latent space conditioning.
problem Anomaly detection on unlabeled data.
method Conditional latent space variational autoencoder (cLSVAE) that separates latent space by conditioning on data labels.
result The method outperforms typical variational autoencoders in clustering and anomaly detection.
Generative model predicts cell and nuclear structure from images.
problem Predicting subcellular structures from microscopy images.
method Conditional generative model using autoencoders.
result Photo-realistic cell images generated with probabilistic interpretation.
Survey of GANs and autoencoders, addressing mode collapse and likelihood issues.
problem Addressing mode collapse and likelihood issues in GANs and autoencoders.
method Explains various GAN and autoencoder variants, their applications, and methods to resolve issues.
result Various methods to resolve mode collapse and improve likelihood in GANs and autoencoders.
Proposes a multi-view VAE for imputing missing data from correlated sources.
problem Imputing missing data from multi-view sources with latent space correlation.
method Enforces a joint prior with latent space correlation between VAEs trained on each view.
result More strongly correlated latent spaces are uncovered, enabling effective imputation.
AutoEncoder smooths noisy sensor data and interpolates missing values.
problem Noisy sensor data and missing timepoints require interpolation.
method Uses AutoEncoder to denoise and interpolate data.
result AutoEncoder improves data quality and reveals dynamics.
New molecular design model outperforms existing methods.
problem Designing valid, unique, and novel molecules.
method Adversarially Regularized Autoencoder (ARAE) combining latent variables from VAE and adversarial training from GAN.
result ARAE outperforms conventional models in validity, uniqueness, and novelty.
SidAE combines autoencoders and Siamese networks for self-supervised feature extraction.
problem Efficiently extract meaningful features from unlabeled data.
method Proposes SidAE, a combination of autoencoders and Siamese networks for self-supervised image classification.
result SidAE outperforms self-supervised baselines across multiple datasets and scenarios, especially with limited labeled data.
Autoencoders improve anomaly detection by deriving features and augmenting data.
problem Poor performance of one-class classifiers in high-dimensionality and sparsity.
method Uses autoencoders to derive meaningful latent variables and augment data for OCC training.
result Enhances OCC algorithms' performance and outperforms other methods.
Simpler method for separating and manipulating latent attributes in autoencoders.
problem Separating and manipulating latent attributes in autoencoders.
method Matrix subspace projection
result Our method allows for changing selected attributes while preserving other information.
Bayesian autoencoders quantify anomaly uncertainty for safer machine learning.
problem Lack of uncertainty quantification in autoencoders for anomaly detection.
method Formulated Bayesian autoencoders to quantify epistemic and aleatoric anomalies.
result Demonstrated effectiveness of BAEs on benchmark and real datasets.
Enhances multimodal generation with Normalizing Flows and correlation analysis.
problem Generating coherent cross-modal data from multiple sources.
method Uses Deep Canonical Correlation Analysis for shared information, Normalizing Flows for diversity, and Product of Experts for scalability.
result Improves likelihood, diversity, and coherence in conditional generation.
VAE global minima can learn correct manifold dimensions, even with conditioning variables.
problem Understanding VAE behavior on manifolds and adapting to varying dimensions.
method Proving VAE global minima can learn correct manifold dimensions and extending to CVAEs.
result Proven that VAE global minima can learn correct manifold dimensions and adapted to CVAEs.
Bi-Lipschitz Autoencoder ensures robust manifold preservation.
problem Non-injective autoencoders lead to poor convergence and distorted latent representations.
method Injective regularization and bi-Lipschitz relaxation.
result BLAE consistently outperforms existing methods in manifold preservation.
This paper improves conditional sampling for VAEs by overcoming structural issues.
problem Computational intractability of conditional sampling in VAEs.
method Proposes two methods to address pitfalls in Metropolis-within-Gibbs (MWG) for VAEs.
result Improved performance on sampling tasks.
IDVAE combines VAE and GAN without explicit discriminator.
problem Combining VAE and GAN for reconstruction and generation.
method Shared encoder and discriminator with combined decoder and generator.
result IDVAE outperforms state-of-the-art hybrid approaches.
New model recovers missing patient data effectively.
problem Missing patient data in healthcare studies.
method Overcomplete denoising autoencoders.
result Outperforms state-of-the-art methods by 20%.
Deep autoencoder network solves spectrum sharing problems efficiently.
problem Resource allocation in wireless communications and D2D networks.
method Generative neural network (autoencoder) for solving linear sum assignment problems.
result Hybrid autoencoder architecture outperforms other methods in accuracy and speed.
Proposes autoencoding with random forests using spectral graph theory.
problem Learning low-dimensional embeddings of random forest models.
method Combines nonparametric statistics and spectral graph theory for optimization.
result Establishes a universal consistent decoder for random forest models.
Paper proposes MVAE for semi-blind source separation using CVAE.
problem Semi-blind source separation in multichannel mixtures.
method Multichannel variational autoencoder (MVAE) with conditional VAE (CVAE).
result MVAE outperforms baseline method in separation performance.
Regularized LAEs learn principal components efficiently.
problem Learning optimal linear representations with LAEs.
method Proper regularization schemes (non-uniform ℓ2 and nested dropout).
result Convergence to optimal representation is slow due to ill-conditioning.
Novel KAN-based autoencoder improves asset pricing models' accuracy and interpretability.
problem Improving asset pricing models' accuracy and interpretability.
method Kolmogorov-Arnold Networks (KANs) inspired autoencoder for latent factor exposures.
result Outperforms Multilayer Perceptrons in both accuracy and interpretability.
Improved audio source separation for underdetermined conditions.
problem Underdetermined source separation challenges for non-NMF-compliant sound sources.
method Generalized Multichannel Variational Autoencoder (GMVAE) that extends Conditional VAE for underdetermined cases.
result The GMVAE method outperformed MNMF in underdetermined source separation tasks.
Paper proposes cross-coding to improve conditional inference in VAEs.
problem Challenges in conditional inference with VAEs, especially for arbitrary queries.
method Cross-coding to approximate latent distributions after conditioning.
result Cross-coding variations outperform Hamiltonian Monte Carlo.
Autoencoder CNN detects landmines from GPR data.
problem Detecting buried landmines in various conditions.
method Autoencoder trained on landmine-free GPR data.
result 93% accuracy on challenging datasets.
Posterior Matching enables VAEs to model arbitrary conditional densities.
problem Modeling conditional dependencies in unsupervised learning.
method Posterior Matching framework for arbitrary conditioning.
result Posterior Matching enables VAEs to perform arbitrary conditioning without modification.
Graphon autoencoder generates graphs with arbitrary sizes using Chebyshev filters.
problem Generating graphs with arbitrary sizes and arbitrary structures.
method Induces graphons from observed graphs, uses Chebyshev filters for latent representation, and learns encoder and decoder to minimize Wasserstein distance.
result Graphon autoencoder provides a new paradigm for graph generation with good generalizability and transferability.
A new autoencoder trains both generation and inference with adversarial learning.
problem Training autoencoders unsupervised with quality control.
method Direct adversarial game between encoder and generator.
result Improved sample and reconstruction quality.
Combines VAE and adversarial censoring for invariant representations.
problem Learning invariant representations from data with nuisance variables.
method Adversarial censoring in conditional VAEs to prevent nuisance variable recovery.
result Achieves invariance while preserving model learning performance.
There has been a lot of recent interest in designing neural network models to estimate a distribution from a set of examples. We introduce a simple modification for autoencoder neural networks that yields powerful generative models. Our method masks the autoencoder's parameters to respect autoregressive constraints: ea…
We improve conditional VAEs by incentivizing informative latent variables.
problem Structured-prediction tasks with one-to-many mappings.
method Modify latent variable model and introduce a multimodal prior.
result Significantly higher generalisation capability demonstrated on various datasets.