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Related papers: Taming Audio VAEs via Target-KL Regularization

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We present a preliminary study on an end-to-end variational autoencoder (VAE) for sound morphing. Two VAE variants are compared: VAE with dilation layers (DC-VAE) and VAE only with regular convolutional layers (CC-VAE). We combine the…

Machine Learning · Computer Science 2020-11-20 Matteo Lionello , Hendrik Purwins

Vector-Quantized Variational Autoencoders (VQ-VAE)[1] provide an unsupervised model for learning discrete representations by combining vector quantization and autoencoders. In this paper, we study the use of VQ-VAE for representation…

Image and Video Processing · Electrical Eng. & Systems 2019-03-05 Hanwei Wu , Markus Flierl

Text variational autoencoders (VAEs) are notorious for posterior collapse, a phenomenon where the model's decoder learns to ignore signals from the encoder. Because posterior collapse is known to be exacerbated by expressive decoders,…

Computation and Language · Computer Science 2021-11-25 Seongmin Park , Jihwa Lee

Aerosol-cloud--radiation interactions remain among the most uncertain components of the Earth's climate system, in partdue to the high dimensionality of aerosol state representations and the difficulty of obtaining complete \textit{in situ}…

Atmospheric and Oceanic Physics · Physics 2025-10-14 Ehsan Saleh , Saba Ghaffari , Jeffrey H. Curtis , Lekha Patel , Peter A. Bosler , Nicole Riemer , Matthew West

Recent progress in scaling up large language models has shown impressive capabilities in performing few-shot learning across a wide range of text-based tasks. However, a key limitation is that these language models fundamentally lack visual…

Machine Learning · Computer Science 2023-02-06 Hao Liu , Wilson Yan , Pieter Abbeel

This paper proposes latent visualization by optimization (LVO), a mechanistic interpretability technique that extends feature visualization by optimization - originally developed for convolutional neural networks - to latent diffusion…

Machine Learning · Computer Science 2026-05-12 Adam Szokalski , Mateusz Modrzejewski

This paper presents an innovative approach to enhance control over audio generation by emphasizing the alignment between audio and text representations during model training. In the context of language model-based audio generation, the…

In recent years, speech emotion recognition (SER) has been used in wide ranging applications, from healthcare to the commercial sector. In addition to signal processing approaches, methods for SER now also use deep learning techniques which…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-29 Sneha Das , Nicole Nadine Lønfeldt , Anne Katrine Pagsberg , Line H. Clemmensen

We present a Split Vector Quantized Variational Autoencoder (SVQ-VAE) architecture using a split vector quantizer for NTTS, as an enhancement to the well-known Variational Autoencoder (VAE) and Vector Quantized Variational Autoencoder…

Sound · Computer Science 2023-09-15 Marek Strong , Jonas Rohnke , Antonio Bonafonte , Mateusz Łajszczak , Trevor Wood

Explicit duration modeling is a key to achieving robust and efficient alignment in text-to-speech synthesis (TTS). We propose a new TTS framework using explicit duration modeling that incorporates duration as a discrete latent variable to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-21 Yusuke Yasuda , Xin Wang , Junichi Yamagishi

As an extension of variational autoencoder (VAE), complex VAE uses complex Gaussian distributions to model latent variables and data. This work proposes a complex recurrent VAE framework, specifically in which complex-valued recurrent…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-28 Yuying Xie , Thomas Arildsen , Zheng-Hua Tan

The development of generative models in the past decade has allowed for hyperrealistic data synthesis. While potentially beneficial, this synthetic data generation process has been relatively underexplored in cancer histopathology. One…

Image and Video Processing · Electrical Eng. & Systems 2024-12-10 Aakash Madhav Rao , Debayan Gupta

Generally, the performance of deep neural networks (DNNs) heavily depends on the quality of data representation learning. Our preliminary work has emphasized the significance of deep representation learning (DRL) in the context of speech…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-18 Yang Xiang , Jingguang Tian , Xinhui Hu , Xinkang Xu , ZhaoHui Yin

Reinforcement Learning (RL) agents often struggle to generalize knowledge to new tasks, even those structurally similar to ones they have mastered. Although recent approaches have attempted to mitigate this issue via zero-shot transfer,…

Artificial Intelligence · Computer Science 2026-04-13 Ajsal Shereef Palattuparambil , Thommen George Karimpanal , Santu Rana

When training end-to-end learned models for lossy compression, one has to balance the rate and distortion losses. This is typically done by manually setting a tradeoff parameter $\beta$, an approach called $\beta$-VAE. Using this approach…

Machine Learning · Computer Science 2020-05-11 Ties van Rozendaal , Guillaume Sautière , Taco S. Cohen

Recent work has shown that Variational Autoencoders (VAEs) can be used to upper-bound the information rate-distortion (R-D) function of images, i.e., the fundamental limit of lossy image compression. In this paper, we report an improved…

Image and Video Processing · Electrical Eng. & Systems 2023-09-07 Zhihao Duan , Jack Ma , Jiangpeng He , Fengqing Zhu

Objective: While recent advances in text-conditioned generative models have enabled the synthesis of realistic medical images, progress has been largely confined to 2D modalities such as chest X-rays. Extending text-to-image generation to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Daniele Molino , Camillo Maria Caruso , Filippo Ruffini , Paolo Soda , Valerio Guarrasi

Explicit latent variable models provide a flexible yet powerful framework for data synthesis, enabling controlled manipulation of generative factors. With latent variables drawn from a tractable probability density function that can be…

Machine Learning · Computer Science 2025-11-11 Matteo Pettenó , Alessandro Ilic Mezza , Alberto Bernardini

This study investigates the use of non-linear unsupervised dimensionality reduction techniques to compress a music dataset into a low-dimensional representation which can be used in turn for the synthesis of new sounds. We systematically…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-27 Fanny Roche , Thomas Hueber , Samuel Limier , Laurent Girin

Recent language models can generate interesting and grammatically correct text in story generation but often lack plot development and long-term coherence. This paper experiments with a latent vector planning approach based on a TD-VAE…

Computation and Language · Computer Science 2021-09-15 David Wilmot , Frank Keller
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