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When a target is masked by mainlobe clutter with the same Doppler frequency, it is difficult for conventional airborne radars to determine whether a target is present in a given observation using regular space-time adaptive processing…

信号处理 · 电气工程与系统科学 2023-06-02 Wenkai Jia , Andreas Jakobsson , Wen-Qin Wang

Deep Neural Networks (DNNs) have shown excellent performance in a wide range of machine learning applications. Knowing the latency of running a DNN model or tensor program on a specific device is useful in various tasks, such as DNN graph-…

机器学习 · 计算机科学 2023-11-20 Hanpeng Hu , Junwei Su , Juntao Zhao , Yanghua Peng , Yibo Zhu , Haibin Lin , Chuan Wu

Over the past few years, speech enhancement methods based on deep learning have greatly surpassed traditional methods based on spectral subtraction and spectral estimation. Many of these new techniques operate directly in the the short-time…

音频与语音处理 · 电气工程与系统科学 2020-08-28 Jean-Marc Valin , Umut Isik , Neerad Phansalkar , Ritwik Giri , Karim Helwani , Arvindh Krishnaswamy

The wide deployment of speech-based biometric systems usually demands high-performance speaker recognition algorithms. However, most of the prior works for speaker recognition either process the speech in the frequency domain or time…

声音 · 计算机科学 2023-03-08 Jiguo Li , Tianzi Zhang , Xiaobin Liu , Lirong Zheng

Speech intelligibility can be affected by multiple factors, such as noisy environments, channel distortions or physiological issues. In this work, we deal with the problem of automatic prediction of the speech intelligibility level in this…

音频与语音处理 · 电气工程与系统科学 2024-02-06 Ascensión Gallardo-Antolín , Juan M. Montero

Affine Frequency Division Multiplexing (AFDM), a new chirp-based multicarrier waveform for high mobility communications, is introduced here. AFDM is based on discrete affine Fourier transform (DAFT), a generalization of discrete Fourier…

信息论 · 计算机科学 2022-05-04 Ali Bemani , Nassar Ksairi , Marios Kountouris

Modern deep learning architectures are ordinarily performed on high-performance computing facilities due to the large size of the input features and complexity of its model. This paper proposes traditional multilayer perceptrons (MLP) with…

音频与语音处理 · 电气工程与系统科学 2022-09-28 Bagus Tris Atmaja , Masato Akagi

Natural Language Processing has recently made understanding human interaction easier, leading to improved sentimental analysis and behaviour prediction. However, the choice of words and vocal cues in conversations presents an underexplored…

计算机与社会 · 计算机科学 2022-06-24 Amna Anwar , Eiman Kanjo , Dario Ortega Anderez

Conversational automatic speech recognition remains challenging due to overlapping speech, far-field noise, and varying speaker counts. While recent LLM-based systems perform well on single-speaker benchmarks, their robustness in…

计算与语言 · 计算机科学 2026-03-25 Naohiro Tawara , Samuele Cornell , Alexander Polok , Marc Delcroix , Lukáš Burget , Shinji Watanabe

Despite the recent visually-pleasing results achieved, the massive computational cost has been a long-standing flaw for diffusion probabilistic models (DPMs), which, in turn, greatly limits their applications on resource-limited platforms.…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Xingyi Yang , Daquan Zhou , Jiashi Feng , Xinchao Wang

Federated Learning (FL) enables the utilization of vast, previously inaccessible data sources. At the same time, pre-trained Language Models (LMs) have taken the world by storm and for good reason. They exhibit remarkable emergent abilities…

机器学习 · 计算机科学 2026-05-15 Michael Theologitis , Vasilis Samoladas , Antonios Deligiannakis

We investigate the effectiveness of convolutive prediction, a novel formulation of linear prediction for speech dereverberation, for speaker separation in reverberant conditions. The key idea is to first use a deep neural network (DNN) to…

声音 · 计算机科学 2021-08-17 Zhong-Qiu Wang , Gordon Wichern , Jonathan Le Roux

Multilayer perceptrons (MLPs) are an integral part of large language models, yet their dense representations render them difficult to understand, edit, and steer. Recent methods learn interpretable approximations via neuron-level sparsity,…

机器学习 · 计算机科学 2026-01-15 James Oldfield , Shawn Im , Sharon Li , Mihalis A. Nicolaou , Ioannis Patras , Grigorios G Chrysos

In this work we address the task of semantic image segmentation with Deep Learning and make three main contributions that are experimentally shown to have substantial practical merit. First, we highlight convolution with upsampled filters,…

计算机视觉与模式识别 · 计算机科学 2017-05-15 Liang-Chieh Chen , George Papandreou , Iasonas Kokkinos , Kevin Murphy , Alan L. Yuille

Speech is a natural form of communication for human beings, and computers with the ability to understand speech and speak with a human voice are expected to contribute to the development of more natural man-machine interfaces. Computers…

声音 · 计算机科学 2013-05-15 Neema Mishra , Urmila Shrawankar , V M Thakare

As function approximators, deep neural networks have served as an effective tool to represent various signal types. Recent approaches utilize multi-layer perceptrons (MLPs) to learn a nonlinear mapping from a coordinate to its corresponding…

机器学习 · 计算机科学 2025-06-12 Woojin Cho , Minju Jo , Kookjin Lee , Noseong Park

The automatic recognition of pathological speech, particularly from children with any articulatory impairment, is a challenging task due to various reasons. The lack of available domain specific data is one such obstacle that hinders its…

音频与语音处理 · 电气工程与系统科学 2021-10-05 Protima Nomo Sudro , Rohan Kumar Das , Rohit Sinha , S. R. Mahadeva Prasanna

Short time spectral features such as mel frequency cepstral coefficients(MFCCs) have been previously deployed in state of the art speaker recognition systems, however lesser heed has been paid to short term spectral features that can be…

音频与语音处理 · 电气工程与系统科学 2018-05-24 Adrish Banerjee , Akash Dubey , Abhishek Menon , Shubham Nanda , Gora Chand Nandi

We present an efficient frequency-based neural representation termed PREF: a shallow MLP augmented with a phasor volume that covers significant border spectra than previous Fourier feature mapping or Positional Encoding. At the core is our…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Binbin Huang , Xinhao Yan , Anpei Chen , Shenghua Gao , Jingyi Yu

Whispered speech as an acceptable form of human-computer interaction is gaining traction. Systems that address multiple modes of speech require a robust front-end speech classifier. Performance of whispered vs normal speech classification…

音频与语音处理 · 电气工程与系统科学 2024-08-28 S. Johanan Joysingh , P. Vijayalakshmi , T. Nagarajan