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Recent years have seen remarkable progress in speech emotion recognition (SER), thanks to advances in deep learning techniques. However, the limited availability of labeled data remains a significant challenge in the field. Self-supervised…

声音 · 计算机科学 2023-04-24 Samir Sadok , Simon Leglaive , Renaud Séguier

Building a scalable machine learning system for unsupervised anomaly detection via representation learning is highly desirable. One of the prevalent methods is using a reconstruction error from variational autoencoder (VAE) via maximizing…

机器学习 · 计算机科学 2020-05-08 Seonho Park , George Adosoglou , Panos M. Pardalos

We consider the task of unsupervised extraction of meaningful latent representations of speech by applying autoencoding neural networks to speech waveforms. The goal is to learn a representation able to capture high level semantic content…

机器学习 · 计算机科学 2019-09-12 Jan Chorowski , Ron J. Weiss , Samy Bengio , Aäron van den Oord

Vector Quantized Variational Autoencoder (VQ-VAE) has become a fundamental framework for learning discrete representations in image modeling. However, VQ-VAE models must tokenize entire images using a finite set of codebook vectors, and…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Jaeyung Kim , YoungJoon Yoo

In recent years Variation Autoencoders have become one of the most popular unsupervised learning of complicated distributions.Variational Autoencoder (VAE) provides more efficient reconstructive performance over a traditional autoencoder.…

机器学习 · 统计学 2017-07-12 Gautam Ramachandra

We investigate the potential of adaptive blind equalizers based on variational inference for carrier recovery in optical communications. These equalizers are based on a low-complexity approximation of maximum likelihood channel estimation.…

信号处理 · 电气工程与系统科学 2022-09-16 Vincent Lauinger , Fred Buchali , Laurent Schmalen

This paper aims to conduct a comparative analysis of contemporary Variational Autoencoder (VAE) architectures employed in anomaly detection, elucidating their performance and behavioral characteristics within this specific task. The…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Huy Hoang Nguyen , Cuong Nhat Nguyen , Xuan Tung Dao , Quoc Trung Duong , Dzung Pham Thi Kim , Minh-Tan Pham

Geostationary hyperspectral satellites generate terabytes of data daily, creating critical challenges for storage, transmission, and distribution to the scientific community. We present a variational autoencoder (VAE) approach that achieves…

机器学习 · 计算机科学 2025-11-25 Core Francisco Park , Manuel Perez-Carrasco , Caroline Nowlan , Cecilia Garraffo

Two-stage object detectors generate object proposals and classify them to detect objects in images. These proposals often do not contain the objects perfectly but overlap with them in many possible ways, exhibiting great variability in the…

计算机视觉与模式识别 · 计算机科学 2023-04-12 Jingyi Xu , Hieu Le , Dimitris Samaras

Dynamical variational autoencoders (DVAEs) are a class of deep generative models with latent variables, dedicated to model time series of high-dimensional data. DVAEs can be considered as extensions of the variational autoencoder (VAE) that…

声音 · 计算机科学 2022-10-04 Xiaoyu Bie , Simon Leglaive , Xavier Alameda-Pineda , Laurent Girin

The ability to accurately model random fields plays a critical role in science and engineering for problems involving uncertain, spatially-varying quantities such as heterogeneous material properties and turbulent flows. Deep generative…

Variational autoencoders (VAEs) typically encode images into a compact latent space, reducing computational cost but introducing an optimization dilemma: a higher-dimensional latent space improves reconstruction fidelity but often hampers…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Xunzhi Xiang , Xingye Tian , Guiyu Zhang , Yabo Chen , Shaofeng Zhang , Xuebo Wang , Xin Tao , Qi Fan

Cybersecurity of Industrial Cyber-Physical Systems is drawing significant concerns as data communication increasingly leverages wireless networks. A lot of data-driven methods were develope for detecting cyberattacks, but few are focused on…

机器学习 · 计算机科学 2023-10-12 Navid Aftabi , Dan Li , Paritosh Ramanan

We present a coupled Variational Auto-Encoder (VAE) method that improves the accuracy and robustness of the probabilistic inferences on represented data. The new method models the dependency between input feature vectors (images) and weighs…

机器学习 · 计算机科学 2025-11-25 Shichen Cao , Jingjing Li , Kenric P. Nelson , Mark A. Kon

Variational autoencoders are among the most popular methods for distilling low-dimensional structure from high-dimensional data, making them increasingly valuable as tools for data exploration and scientific discovery. However, unlike…

机器学习 · 计算机科学 2022-01-17 Miles Martinez , John Pearson

This paper investigates the application of quantum machine learning to End-to-End (E2E) communication systems in wireless fading scenarios. We introduce a novel hybrid quantum-classical autoencoder architecture that combines parameterized…

信息论 · 计算机科学 2025-01-03 Bolun Zhang , Gan Zheng , Nguyen Van Huynh

In recent years, the task of video prediction-forecasting future video given past video frames-has attracted attention in the research community. In this paper we propose a novel approach to this problem with Vector Quantized Variational…

计算机视觉与模式识别 · 计算机科学 2021-03-03 Jacob Walker , Ali Razavi , Aäron van den Oord

Modern radio telescopes combine thousands of receivers, long-distance networks, large-scale compute hardware, and intricate software. Due to this complexity, failures occur relatively frequently. In this work we propose novel use of…

天体物理仪器与方法 · 物理学 2020-05-28 Michael Mesarcik , Albert-Jan Boonstra , Christiaan Meijer , Walter Jansen , Elena Ranguelova , Rob V. van Nieuwpoort

Human perception is inherently multimodal. We integrate, for instance, visual, proprioceptive and tactile information into one experience. Hence, multimodal learning is of importance for building robotic systems that aim at robustly…

机器学习 · 计算机科学 2024-11-04 Carlotta Langer , Yasmin Kim Georgie , Ilja Porohovoj , Verena Vanessa Hafner , Nihat Ay

Recommender systems have been studied extensively due to their practical use in many real-world scenarios. Despite this, generating effective recommendations with sparse user ratings remains a challenge. Side information associated with…

信息检索 · 计算机科学 2018-07-17 Yifan Chen , Maarten de Rijke
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