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Sparse Autoencoders (SAEs) have shown promise in improving the interpretability of neural network activations, but can learn features that are not features of the input, limiting their effectiveness. We propose \textsc{Mutual Feature…

Machine Learning · Computer Science 2024-11-07 Luke Marks , Alasdair Paren , David Krueger , Fazl Barez

Convolutional Neural Networks (CNNs) have achieved state-of-the-art accuracy in Synthetic Aperture Radar (SAR) Automatic Target Recognition (ATR). However, their high computational cost, latency, and memory footprint make its deployment…

Hardware Architecture · Computer Science 2026-03-05 Sachini Wickramasinghe , Tian Ye , Cauligi Raghavendra , Viktor Prasanna

Ship detection in Synthetic Aperture Radar (SAR) imagery is fundamentally challenged by inherent coherent speckle noise, complex coastal clutter, and the prevalence of small-scale targets. Conventional detectors, primarily designed for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Fenghao Song , Shaojing Yang , Xi Zhou

In contrast to human speech, machine-generated sounds of the same type often exhibit consistent frequency characteristics and discernible temporal periodicity. However, leveraging these dual attributes in anomaly detection remains…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-06 Yucong Zhang , Juan Liu , Yao Tian , Haifeng Liu , Ming Li

Recently, more and more personalized speech enhancement systems (PSE) with excellent performance have been proposed. However, two critical issues still limit the performance and generalization ability of the model: 1) Acoustic environment…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-23 Xiaofeng Ge , Jiangyu Han , Haixin Guan , Yanhua Long

Synthetic Aperture Radar (SAR) enables submeter-resolution imaging and all-weather monitoring via active microwave and advanced signal processing. Currently, SAR has found extensive applications in critical maritime domains such as ship…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Liangjie Meng , Danxia Li , Jinrong He , Lili Ma , Zhixin Li

The performance of acoustic models degrades notably in noisy environments. Speech enhancement (SE) can be used as a front-end strategy to aid automatic speech recognition (ASR) systems. However, existing training objectives of SE methods…

Sound · Computer Science 2023-11-29 Chi-Chang Lee , Yu Tsao , Hsin-Min Wang , Chu-Song Chen

Wireless signal recognition (WSR) is crucial in modern and future wireless communication networks since it aims to identify properties of the received signal. Although many deep learning-based WSR models have been developed, they still rely…

Signal Processing · Electrical Eng. & Systems 2024-04-04 Hao Zhang , Fuhui Zhou , Qihui Wu , Naofal Al-Dhahir

Simulated data-assisted SAR target recognition methods are the research hotspot currently, devoted to solving the problem of limited samples. Existing works revolve around simulated images, but the large amount of irrelevant information…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Chenxi Zhao , Daochang Wang , Siqian Zhang , Gangyao Kuang

Object detection and classification using aerial images is a challenging task as the information regarding targets are not abundant. Synthetic Aperture Radar(SAR) images can be used for Automatic Target Recognition(ATR) systems as it can…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Sumanth Udupa , Aniruddh Sikdar , Suresh Sundaram

Ultrasound imaging is a prevalent diagnostic tool known for its simplicity and non-invasiveness. However, its inherent characteristics often introduce substantial noise, posing considerable challenges for automated lesion or organ…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Ling Zhou , Runtian Yuan , Yi Liu , Yuejie Zhang , Rui Feng , Shang Gao

Usually, hearing impaired people use hearing aids which are implemented with speech enhancement algorithms. Estimation of speech and estimation of nose are the components in single channel speech enhancement system. The main objective of…

Sound · Computer Science 2014-11-10 M. Ravichandra Kumar , B. Ravi Teja

Radar signal recognition (RSR) plays a pivotal role in electronic warfare (EW), as accurately classifying radar signals is critical for informing decision-making. Recent advances in deep learning have shown significant potential in…

Machine Learning · Computer Science 2025-07-16 Zi Huang , Simon Denman , Akila Pemasiri , Clinton Fookes , Terrence Martin

Self-attention networks (SAN) have been introduced into automatic speech recognition (ASR) and achieved state-of-the-art performance owing to its superior ability in capturing long term dependency. One of the key ingredients is the…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-30 Zhao You , Dan Su , Jie Chen , Chao Weng , Dong Yu

Electronic warfare support (ES) systems intercept adversary radar signals and estimate various types of signal information, including modulation schemes. The accurate and rapid identification of modulation schemes under conditions of very…

Signal Processing · Electrical Eng. & Systems 2025-05-15 Do-Hyun Park , Min-Wook Jeon , Jinwoo Jeong , Isaac Sim , Sangbom Yun , Junghyun Seo , Hyoung-Nam Kim

Speech emotion recognition (SER) plays a critical role in building emotion-aware speech systems, but its performance degrades significantly under noisy conditions. Although speech enhancement (SE) can improve robustness, it often introduces…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-29 Jing-Tong Tzeng , Carlos Busso , Chi-Chun Lee

Existing deep learning-based methods can capture shared features from optical and synthetic aperture radar (SAR) images for spatial alignment. However, optical-SAR registration remains challenging under large geometric deformations, because…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Zhuoyu Cai , Dou Quan , Ning Huyan , Pei He , Shuang Wang , Licheng Jiao

At present, deep neural network methods have played a dominant role in face alignment field. However, they generally use predefined network structures to predict landmarks, which tends to learn general features and leads to mediocre…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Jun Wan , He Liu , Yujia Wu , Zhihui Lai , Wenwen Min , Jun Liu

Convolutional neural networks (CNNs) have been applied to learn spatial features for high-resolution (HR) synthetic aperture radar (SAR) image classification. However, there has been little work on integrating the unique statistical…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Wenkai Liang , Yan Wu , Ming Li , Peng Zhang , Yice Cao , Xin Hu

Modern deep neural networks (DNNs) have achieved state-of-the-art performances but are typically over-parameterized. The over-parameterization may result in undesirably large generalization error in the absence of other customized training…

Machine Learning · Computer Science 2023-03-03 Jiawei Du , Daquan Zhou , Jiashi Feng , Vincent Y. F. Tan , Joey Tianyi Zhou
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