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This paper presents an end-to-end deep learning framework using passive WiFi sensing to classify and estimate human respiration activity. A passive radar test-bed is used with two channels where the first channel provides the reference WiFi…

计算机视觉与模式识别 · 计算机科学 2017-04-20 U. M. Khan , Z. Kabir , S. A. Hassan , S. H. Ahmed

We introduce machine unlearning for speech tasks, a novel and underexplored research problem that aims to efficiently and effectively remove the influence of specific data from trained speech models without full retraining. This has…

机器学习 · 计算机科学 2025-06-03 Jiali Cheng , Hadi Amiri

Weak supervision searches have in principle the advantages of both being able to train on experimental data and being able to learn distinctive signal properties. However, the practical applicability of such searches is limited by the fact…

高能物理 - 唯象学 · 物理学 2024-03-05 Hugues Beauchesne , Zong-En Chen , Cheng-Wei Chiang

Latest diffusion-based methods for many image restoration tasks outperform traditional models, but they encounter the long-time inference problem. To tackle it, this paper proposes a Wavelet-Based Diffusion Model (WaveDM). WaveDM learns the…

计算机视觉与模式识别 · 计算机科学 2024-01-26 Yi Huang , Jiancheng Huang , Jianzhuang Liu , Mingfu Yan , Yu Dong , Jiaxi Lv , Chaoqi Chen , Shifeng Chen

This study investigates phase reconstruction for deep learning based monaural talker-independent speaker separation in the short-time Fourier transform (STFT) domain. The key observation is that, for a mixture of two sources, with their…

声音 · 计算机科学 2018-11-26 Zhong-Qiu Wang , Ke Tan , DeLiang Wang

Phase retrieval consists in the recovery of a complex-valued signal from intensity-only measurements. As it pervades a broad variety of applications, many researchers have striven to develop phase-retrieval algorithms. Classical approaches…

Streaming end-to-end speech recognition models have been widely applied to mobile devices and show significant improvement in efficiency. These models are typically trained on the server using transcribed speech data. However, the server…

Context: Phase referencing is a standard calibration technique in radio interferometry, particularly suited for the detection of weak sources close to the sensitivity limits of the interferometers. However, effects from a changing…

天体物理仪器与方法 · 物理学 2015-05-18 I. Marti-Vidal , E. Ros , M. A. Perez Torres , J. C. Guirado , S. Jimenez-Monferrer , J. M. Marcaide

Algorithmic latency in speech processing is dominated by the frame length used for Fourier analysis, which in turn limits the achievable performance of magnitude-centric approaches. As previous studies suggest the importance of phase grows…

音频与语音处理 · 电气工程与系统科学 2022-10-26 Tal Peer , Timo Gerkmann

Speaker-dependent modelling can substantially improve performance in speech-based health monitoring applications. While mixed-effect models are commonly used for such speaker adaptation, they require computationally expensive retraining for…

机器学习 · 计算机科学 2025-06-03 Roseline Polle , Agnes Norbury , Alexandra Livia Georgescu , Nicholas Cummins , Stefano Goria

High-dimensional data must be highly structured to be learnable. Although the compositional and hierarchical nature of data is often put forward to explain learnability, quantitative measurements establishing these properties are scarce.…

机器学习 · 统计学 2025-03-04 Antonio Sclocchi , Alessandro Favero , Noam Itzhak Levi , Matthieu Wyart

Accurate recognition of cocktail party speech containing overlapping speakers, noise and reverberation remains a highly challenging task to date. Motivated by the invariance of visual modality to acoustic signal corruption, an audio-visual…

音频与语音处理 · 电气工程与系统科学 2023-07-07 Guinan Li , Jiajun Deng , Mengzhe Geng , Zengrui Jin , Tianzi Wang , Shujie Hu , Mingyu Cui , Helen Meng , Xunying Liu

Diffusion probability models have shown significant promise in offline reinforcement learning by directly modeling trajectory sequences. However, existing approaches primarily focus on time-domain features while overlooking frequency-domain…

机器学习 · 计算机科学 2025-09-25 Yifu Luo , Yongzhe Chang , Xueqian Wang

In the weakly supervised learning paradigm, labeling functions automatically assign heuristic, often noisy, labels to data samples. In this work, we provide a method for learning from weak labels by separating two types of complementary…

机器学习 · 计算机科学 2022-10-26 Andreas Stephan , Vasiliki Kougia , Benjamin Roth

In this paper, we focus on improving the performance of the text-dependent speaker verification system in the scenario of limited training data. The speaker verification system deep learning based text-dependent generally needs a large…

声音 · 计算机科学 2020-11-24 Xiaoyi Qin , Yaogen Yang , Lin Yang , Xuyang Wang , Junjie Wang , Ming Li

Reverberation may severely degrade the quality of speech signals recorded using microphones in a room. For compact microphone arrays, the choice of the reference microphone for multi-microphone dereverberation typically does not have a…

音频与语音处理 · 电气工程与系统科学 2026-02-04 Anselm Lohmann , Toon van Waterschoot , Joerg Bitzer , Simon Doclo

Large scale datasets created from user labels or openly available data have become crucial to provide training data for large scale learning algorithms. While these datasets are easier to acquire, the data are frequently noisy and…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Rodrigo Caye Daudt , Bertrand Le Saux , Alexandre Boulch , Yann Gousseau

Despite rapid progress in the recent past, current speech recognition systems still require labeled training data which limits this technology to a small fraction of the languages spoken around the globe. This paper describes wav2vec-U,…

计算与语言 · 计算机科学 2022-05-04 Alexei Baevski , Wei-Ning Hsu , Alexis Conneau , Michael Auli

Neural network approaches have recently shown to be effective in several information retrieval (IR) tasks. However, neural approaches often require large volumes of training data to perform effectively, which is not always available. To…

信息检索 · 计算机科学 2018-06-14 Hamed Zamani , W. Bruce Croft

Recent work in spoken language modeling shows the possibility of learning a language unsupervisedly from raw audio without any text labels. The approach relies first on transforming the audio into a sequence of discrete units (or…

计算与语言 · 计算机科学 2022-11-23 Tu Anh Nguyen , Benoit Sagot , Emmanuel Dupoux
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