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Data augmentation is widely utilized as an effective technique to enhance the generalization performance of deep models. However, data augmentation may inevitably introduce distribution shifts and noises, which significantly constrain the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Suorong Yang , Hongchao Yang , Suhan Guo , Furao Shen , Jian Zhao

Accurate on-device keyword spotting (KWS) with low false accept and false reject rate is crucial to customer experience for far-field voice control of conversational agents. It is particularly challenging to maintain low false reject rate…

Computation and Language · Computer Science 2018-08-03 Anirudh Raju , Sankaran Panchapagesan , Xing Liu , Arindam Mandal , Nikko Strom

Collaborative filtering recommender systems (CFRSs) are the key components of successful e-commerce systems. Actually, CFRSs are highly vulnerable to attacks since its openness. However, since attack size is far smaller than that of genuine…

Information Retrieval · Computer Science 2015-06-16 Zhihai Yang , Lin Xu , Zhongmin Cai

Applications of machine learning are subject to three major components that contribute to the final performance metrics. Within the category of neural networks, and deep learning specifically, the first two are the architecture for the…

Machine Learning · Computer Science 2021-02-23 William H. Clark , Steven Hauser , William C. Headley , Alan J. Michaels

WiFi sensing has suffered from the limited bandwidths designated for its original communication purpose, leading to fundamental limits in multipath resolution and thus multi-user sensing. Unfortunately, it is practically prohibitive to…

Signal Processing · Electrical Eng. & Systems 2026-01-13 Sijie Ji , Weiying Hou , Chenshu Wu

The generalization capability of deepfake detectors is critical for real-world use. Data augmentation via synthetic fake face generation effectively enhances generalization, yet current SoTA methods rely on fixed strategies-raising a key…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Yuxuan Zhou , Tao Yu , Wen Huang , Yuheng Zhang , Tao Dai , Shu-Tao Xia

Fine-grained radio map presents communication parameters of interest, e.g., received signal strength, at every point across a large geographical region. It can be leveraged to improve the efficiency of spectrum utilization for a large area,…

Signal Processing · Electrical Eng. & Systems 2025-07-09 Zhiyuan Liu , Shuhang Zhang , Qingyu Liu , Hongliang Zhang , Lingyang Song

The rapid advancement of the next generation of communications and internet of things (IoT) technologies has made the provision of location-based services for diverse devices an increasingly pressing necessity. Localizing devices…

Signal Processing · Electrical Eng. & Systems 2024-08-09 Yixuan Guo , Qingwei Jiang , Mengyuan Xu , Wen Fang , Qingwen Liu , Gang Yan , Qunhui Yang , Hai Lu

Diffusion-model-based image super-resolution techniques often face a trade-off between realistic image generation and computational efficiency. This issue is exacerbated when inference times by decreasing sampling steps, resulting in less…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Aradhana Mishra , Bumshik Lee

Radio Frequency Fingerprint (RFF) identification on account of deep learning has the potential to enhance the security performance of wireless networks. Recently, several RFF datasets were proposed to satisfy requirements of large-scale…

Signal Processing · Electrical Eng. & Systems 2022-06-17 Shupeng Zhang , Yibin Zhang , Xixi Zhang , Jinlong Sun , Yun Lin , Haris Gacanin , Fumiyuki Adachi , Guan Gui

Data augmentation (DA) is widely employed to improve the generalization performance of deep models. However, most existing DA methods employ augmentation operations with fixed or random magnitudes throughout the training process. While this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Suorong Yang , Peijia Li , Xin Xiong , Furao Shen , Jian Zhao

Deep learning has achieved remarkable results in many computer vision tasks. Deep neural networks typically rely on large amounts of training data to avoid overfitting. However, labeled data for real-world applications may be limited. By…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Suorong Yang , Weikang Xiao , Mengchen Zhang , Suhan Guo , Jian Zhao , Furao Shen

Data augmentation (DA) techniques aim to increase data variability, and thus train deep networks with better generalisation. The pioneering AutoAugment automated the search for optimal DA policies with reinforcement learning. However,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 Yonggang Li , Guosheng Hu , Yongtao Wang , Timothy Hospedales , Neil M. Robertson , Yongxin Yang

This paper presents a deep reinforcement learning (DRL) solution for power control in wireless communications, describes its embedded implementation with WiFi transceivers for a WiFi network system, and evaluates the performance with…

Networking and Internet Architecture · Computer Science 2022-11-03 Ziad El Jamous , Kemal Davaslioglu , Yalin E. Sagduyu

Wi-Fi sensing has emerged as a powerful non-intrusive technology for recognizing human activities, monitoring vital signs, and enabling context-aware applications using commercial wireless devices. However, the performance of Wi-Fi sensing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Fei Wang , Tingting Zhang , Wei Xi , Han Ding , Ge Wang , Di Zhang , Yuanhao Cui , Fan Liu , Jinsong Han , Jie Xu , Tony Xiao Han

Radar imaging is crucial in remote sensing and has many applications in detection and autonomous driving. However, the received radar signal for imaging is enormous and redundant, which degrades the speed of real-time radar quantitative…

Signal Processing · Electrical Eng. & Systems 2023-07-06 Zhuoyang Liu , Huilin Xu , Feng Xu

Data augmentation is proven to be effective in many NLU tasks, especially for those suffering from data scarcity. In this paper, we present a powerful and easy to deploy text augmentation framework, Data Boost, which augments data through…

Computation and Language · Computer Science 2020-12-08 Ruibo Liu , Guangxuan Xu , Chenyan Jia , Weicheng Ma , Lili Wang , Soroush Vosoughi

Deep neural networks are increasingly being used to detect and diagnose medical conditions using medical imaging. Despite their utility, these models are highly vulnerable to adversarial attacks and distribution shifts, which can affect…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Josué Martínez-Martínez , Olivia Brown , Mostafa Karami , Sheida Nabavi

Diffusion-weighted magnetic resonance imaging (DWI) and fiber tractography are the only methods to measure the structure of the white matter in the living human brain. The diffusion signal has been modelled as the combined contribution from…

Machine Learning · Statistics 2014-09-29 Charles Zheng , Franco Pestilli , Ariel Rokem

This paper proposes a deep speech enhancement method which exploits the high potential of residual connections in a wide neural network architecture, a topology known as Wide Residual Network. This is supported on single dimensional…

Sound · Computer Science 2019-01-04 Dayana Ribas , Jorge Llombart , Antonio Miguel , Luis Vicente