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Current state-of-the-art generative approaches frequently rely on a two-stage training procedure, where an autoencoder (often a VAE) first performs dimensionality reduction, followed by training a generative model on the learned latent…

Machine Learning · Statistics 2025-07-15 Gianluigi Silvestri , Luca Ambrogioni

Automated Audio Captioning (AAC) aims to generate natural textual descriptions for input audio signals. Recent progress in audio pre-trained models and large language models (LLMs) has significantly enhanced audio understanding and textual…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-15 Wenxi Chen , Ziyang Ma , Xiquan Li , Xuenan Xu , Yuzhe Liang , Zhisheng Zheng , Kai Yu , Xie Chen

Deep generative models have been enjoying success in modeling continuous data. However it remains challenging to capture the representations for discrete structures with formal grammars and semantics, e.g., computer programs and molecular…

Machine Learning · Computer Science 2018-02-27 Hanjun Dai , Yingtao Tian , Bo Dai , Steven Skiena , Le Song

Variational autoencoder-based voice conversion (VAE-VC) has the advantage of requiring only pairs of speeches and speaker labels for training. Unlike the majority of the research in VAE-VC which focuses on utilizing auxiliary losses or…

Sound · Computer Science 2021-12-07 Kei Akuzawa , Kotaro Onishi , Keisuke Takiguchi , Kohki Mametani , Koichiro Mori

Most existing masked audio modeling (MAM) methods learn audio representations by masking and reconstructing local spectrogram patches. However, the reconstruction loss mainly accounts for the signal-level quality of the reconstructed…

Sound · Computer Science 2024-01-30 Yifei Xin , Xiulian Peng , Yan Lu

This paper introduces a new member of the family of Variational Autoencoders (VAE) that constrains the rate of information transferred by the latent layer. The latent layer is interpreted as a communication channel, the information rate of…

Machine Learning · Computer Science 2018-07-26 D. T. Braithwaite , W. B. Kleijn

Spatio-temporal compression of videos, utilizing networks such as Variational Autoencoders (VAE), plays a crucial role in OpenAI's SORA and numerous other video generative models. For instance, many LLM-like video models learn the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Sijie Zhao , Yong Zhang , Xiaodong Cun , Shaoshu Yang , Muyao Niu , Xiaoyu Li , Wenbo Hu , Ying Shan

Due to their unsupervised training and uncertainty estimation, deep Variational Autoencoders (VAEs) have become powerful tools for reconstruction-based Time Series Anomaly Detection (TSAD). Existing VAE-based TSAD methods, either…

Machine Learning · Computer Science 2024-01-09 Zhangkai Wu , Longbing Cao , Qi Zhang , Junxian Zhou , Hui Chen

Variational autoencoders (VAEs) are fundamental for generative modeling and image reconstruction, yet their performance often struggles to maintain high fidelity in reconstructions. This study introduces a hybrid model, quantum variational…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Farina Riaz , Fakhar Zaman , Hajime Suzuki , Sharif Abuadbba , David Nguyen

Recent breakthroughs in video autoencoders (Video AEs) have advanced video generation, but existing methods fail to efficiently model spatio-temporal redundancies in dynamics, resulting in suboptimal compression factors. This shortfall…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Huaize Liu , Wenzhang Sun , Qiyuan Zhang , Donglin Di , Biao Gong , Hao Li , Chen Wei , Changqing Zou

Variational Autoencoders (VAEs) have played a key role in scaling up diffusion-based generative models, as in Stable Diffusion, yet questions regarding their robustness remain largely underexplored. Although adversarial training has been an…

Machine Learning · Computer Science 2025-04-25 Hyomin Lee , Minseon Kim , Sangwon Jang , Jongheon Jeong , Sung Ju Hwang

We propose a new method for unsupervised generative continual learning through realignment of Variational Autoencoder's latent space. Deep generative models suffer from catastrophic forgetting in the same way as other neural structures.…

Machine Learning · Computer Science 2022-06-06 Kamil Deja , Paweł Wawrzyński , Wojciech Masarczyk , Daniel Marczak , Tomasz Trzciński

We present the first systematic study of Sparse Autoencoders (SAEs) on video representations. Standard SAEs decompose video into interpretable, monosemantic features but destroy temporal coherence: hard TopK selection produces unstable…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Atahan Dokme , Sriram Vishwanath

Latent generative models have emerged as a leading approach for high-quality image synthesis. These models rely on an autoencoder to compress images into a latent space, followed by a generative model to learn the latent distribution. We…

Machine Learning · Computer Science 2025-08-05 Theodoros Kouzelis , Ioannis Kakogeorgiou , Spyros Gidaris , Nikos Komodakis

Ventilated acoustic resonator(VAR), a type of acoustic metamaterial, emerge as an alternative for sound attenuation in environments that require ventilation, owing to its excellent low-frequency attenuation performance and flexible shape…

Computational Engineering, Finance, and Science · Computer Science 2024-08-13 Min Woo Cho , Seok Hyeon Hwang , Jun-Young Jang , Jin Yeong Song , Sun-kwang Hwang , Kyoung Je Cha , Dong Yong Park , Kyungjun Song , Sang Min Park

Foley sound generation, the art of creating audio for multimedia, has recently seen notable advancements through text-conditioned latent diffusion models. These systems use multimodal text-audio representation models, such as Contrastive…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-15 Tornike Karchkhadze , Hassan Salami Kavaki , Mohammad Rasool Izadi , Bryce Irvin , Mikolaj Kegler , Ari Hertz , Shuo Zhang , Marko Stamenovic

Variational Autoencoders (VAE) are probabilistic deep generative models underpinned by elegant theory, stable training processes, and meaningful manifold representations. However, they produce blurry images due to a lack of explicit…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Prashnna K Gyawali , Rudra Saha , Linwei Wang , VSR Veeravasarapu , Maneesh Singh

New system for i-vector speaker recognition based on variational autoencoder (VAE) is investigated. VAE is a promising approach for developing accurate deep nonlinear generative models of complex data. Experiments show that VAE provides…

Sound · Computer Science 2017-05-26 Timur Pekhovsky , Maxim Korenevsky

Translating the internal representations and computations of models into concepts that humans can understand is a key goal of interpretability. While recent dictionary learning methods such as Sparse Autoencoders (SAEs) provide a promising…

Computation and Language · Computer Science 2026-02-27 Usha Bhalla , Alex Oesterling , Claudio Mayrink Verdun , Himabindu Lakkaraju , Flavio P. Calmon

We present fast, realistic image generation on high-resolution, multimodal datasets using hierarchical variational autoencoders (VAEs) trained on a deterministic autoencoder's latent space. In this two-stage setup, the autoencoder…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Troy Luhman , Eric Luhman