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Sonar-based indoor mapping systems have been widely employed in robotics for several decades. While such systems are still the mainstream in underwater and pipe inspection settings, the vulnerability to noise reduced, over time, their…

机器人学 · 计算机科学 2024-09-19 Usama Saqib , Letizia Marchegiani , Jesper Rindom Jensen

In this paper we propose a new method of speaker diarization that employs a deep learning architecture to learn speaker embeddings. In contrast to the traditional approaches that build their speaker embeddings using manually hand-crafted…

声音 · 计算机科学 2017-09-18 Pawel Cyrta , Tomasz Trzciński , Wojciech Stokowiec

In this work, we present a method for learning interpretable music signal representations directly from waveform signals. Our method can be trained using unsupervised objectives and relies on the denoising auto-encoder model that uses a…

音频与语音处理 · 电气工程与系统科学 2020-07-02 Stylianos I. Mimilakis , Konstantinos Drossos , Gerald Schuller

We propose an audio-to-audio neural network model that learns to denoise old music recordings. Our model internally converts its input into a time-frequency representation by means of a short-time Fourier transform (STFT), and processes the…

音频与语音处理 · 电气工程与系统科学 2022-06-17 Yunpeng Li , Beat Gfeller , Marco Tagliasacchi , Dominik Roblek

Quantitative cardiac magnetic resonance T1 and T2 mapping enable myocardial tissue characterisation but the lengthy scan times restrict their widespread clinical application. We propose a deep learning method that incorporates a time…

信号处理 · 电气工程与系统科学 2023-10-02 Fanwen Wang , Michael Tanzer , Mengyun Qiao , Wenjia Bai , Daniel Rueckert , Guang Yang , Sonia Nielles-Vallespin

The advent of large-scale pre-trained language models has contributed greatly to the recent progress in natural language processing. Many state-of-the-art language models are first trained on a large text corpus and then fine-tuned on…

计算与语言 · 计算机科学 2023-11-13 Hang Hua , Xingjian Li , Dejing Dou , Cheng-Zhong Xu , Jiebo Luo

Low-rankness of amplitude spectrograms has been effectively utilized in audio signal processing methods including non-negative matrix factorization. However, such methods have a fundamental limitation owing to their amplitude-only treatment…

音频与语音处理 · 电气工程与系统科学 2019-03-14 Yoshiki Masuyama , Kohei Yatabe , Yasuhiro Oikawa

We address the problem of estimating a sparse low-rank matrix from its noisy observation. We propose an objective function consisting of a data-fidelity term and two parameterized non-convex penalty functions. Further, we show how to set…

最优化与控制 · 数学 2017-04-13 Ankit Parekh , Ivan W. Selesnick

Despite significant progress in text-to-image diffusion models, achieving precise spatial control over generated outputs remains challenging. ControlNet addresses this by introducing an auxiliary conditioning module, while ControlNet++…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Nina Konovalova , Maxim Nikolaev , Andrey Kuznetsov , Aibek Alanov

Localization and mapping with heterogeneous multi-sensor fusion have been prevalent in recent years. To adequately fuse multi-modal sensor measurements received at different time instants and different frequencies, we estimate the…

机器人学 · 计算机科学 2023-02-16 Jiajun Lv , Xiaolei Lang , Jinhong Xu , Mengmeng Wang , Yong Liu , Xingxing Zuo

We address the problem of time-frequency audio inpainting, where the goal is to fill missing spectrogram portions with reliable information. Despite recent advances, existing approaches still face limitations in both reconstruction quality…

音频与语音处理 · 电气工程与系统科学 2026-02-06 Peter Balušík , Pavel Rajmic

Generative models have emerged as powerful priors for solving inverse problems. These models typically represent a class of natural signals using a single fixed complexity or dimensionality. This can be limiting: depending on the problem, a…

机器学习 · 计算机科学 2026-03-11 Sean Gunn , Jorio Cocola , Oliver De Candido , Vaggos Chatziafratis , Paul Hand

In this work we reduce undersampling artefacts in two-dimensional ($2D$) golden-angle radial cine cardiac MRI by applying a modified version of the U-net. We train the network on $2D$ spatio-temporal slices which are previously extracted…

图像与视频处理 · 电气工程与系统科学 2019-08-14 Andreas Kofler , Marc Dewey , Tobias Schaeffter , Christian Wald , Christoph Kolbitsch

We propose a novel approach for time-scale modification of audio signals. Unlike traditional methods that rely on the framing technique or the short-time Fourier transform to preserve the frequency during temporal stretching, our neural…

声音 · 计算机科学 2023-10-09 Ernie Chu , Ju-Ting Chen , Chia-Ping Chen

Recent research has delved into speech enhancement (SE) approaches that leverage audio embeddings from pre-trained models, diverging from time-frequency masking or signal prediction techniques. This paper introduces an efficient and…

音频与语音处理 · 电气工程与系统科学 2025-06-16 Xingwei Sun , Heinrich Dinkel , Yadong Niu , Linzhang Wang , Junbo Zhang , Jian Luan

One challenge of integrating speech input with large language models (LLMs) stems from the discrepancy between the continuous nature of audio data and the discrete token-based paradigm of LLMs. To mitigate this gap, we propose a method for…

音频与语音处理 · 电气工程与系统科学 2025-11-20 Mu Yang , Szu-Jui Chen , Jiamin Xie , John Hansen

Voice conversion refers to transferring speaker identity with well-preserved content. Better disentanglement of speech representations leads to better voice conversion. Recent studies have found that phonetic information from input audio…

声音 · 计算机科学 2024-01-19 Yimin Deng , Huaizhen Tang , Xulong Zhang , Ning Cheng , Jing Xiao , Jianzong Wang

Previous research has indicated that deep neural network based models for time series classification (TSC) tasks are prone to overfitting. This issue can be mitigated by employing strategies that prevent the model from becoming overly…

机器学习 · 计算机科学 2024-09-02 Hengyi Ma , Weitong Chen

In this paper, we propose an effective training strategy to ex-tract robust speaker representations from a speech signal. Oneof the key challenges in speaker recognition tasks is to learnlatent representations or embeddings containing…

音频与语音处理 · 电气工程与系统科学 2020-08-05 Yoohwan Kwon , Soo-Whan Chung , Hong-Goo Kang

We tackle the problem disentangling the latent space of an autoencoder in order to separate labelled attribute information from other characteristic information. This then allows us to change selected attributes while preserving other…

机器学习 · 计算机科学 2020-08-18 Xiao Li , Chenghua Lin , Ruizhe Li , Chaozheng Wang , Frank Guerin