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We present iDARR, a scalable iterative Data-Adaptive RKHS Regularization method, for solving ill-posed linear inverse problems. The method searches for solutions in subspaces where the true solution can be identified, with the data-adaptive…

Numerical Analysis · Mathematics 2024-01-02 Haibo Li , Jinchao Feng , Fei Lu

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

Radio Frequency Interference (RFI) is a growing concern in the radio astronomy community. Single-dish telescopes are particularly susceptible to RFI. Several methods have been developed to cope with RF-polluted environments, based on…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 R. Finger , F. Curotto , R. Fuentes , R. Duan , L. Bronfman , D. Li

We present a noise-robust adaptation control strategy for block-online supervised acoustic system identification by exploiting a noise dictionary. The proposed algorithm takes advantage of the pronounced spectral structure which…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-04 Thomas Haubner , Andreas Brendel , Mohamed Elminshawi , Walter Kellermann

In this paper we consider the problem of decentralized (distributed) adaptive learning, where the aim of the network is to train the coefficients of a widely linear autoregressive moving average (ARMA) model by measurements collected by the…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-07-13 Azam Khalili , Reza G. Rahmati , Amir Rastegarnia , Wael M. Bazzi

This paper introduces a dual-based algorithm framework for solving the regularized online resource allocation problems, which have potentially non-concave cumulative rewards, hard resource constraints, and a non-separable regularizer. Under…

Machine Learning · Computer Science 2023-07-18 Wanteng Ma , Ying Cao , Danny H. K. Tsang , Dong Xia

Automated respiratory sound classification faces practical challenges from background noise and insufficient denoising in existing systems. We propose Adaptive Differential Denoising network, that integrates noise suppression and…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-04 Gaoyang Dong , Zhicheng Zhang , Ping Sun , Minghui Zhang

Offline reinforcement learning (RL) enables policy learning from pre-collected offline datasets, relaxing the need to interact directly with the environment. However, limited by the quality of offline datasets, it generally fails to learn…

Machine Learning · Computer Science 2025-09-03 Xingshuai Huang , Di Wu , Benoit Boulet

This paper proposes a robust reduced-rank scheme for adaptive beamforming based on joint iterative optimization (JIO) of adaptive filters. The novel scheme is designed according to the constant modulus (CM) criterion subject to different…

Information Theory · Computer Science 2013-01-30 Lei Wang , Rodrigo C. de Lamare

Benchmarking the performance of information retrieval (IR) is mostly conducted with a fixed set of documents (static corpora). However, in realistic scenarios, this is rarely the case and the documents to be retrieved are constantly updated…

Information Retrieval · Computer Science 2024-10-08 Chaeeun Kim , Soyoung Yoon , Hyunji Lee , Joel Jang , Sohee Yang , Minjoon Seo

Real-world data (RWD) gains growing interests to provide a representative sample of the population for selecting the optimal treatment options. However, existing complex black box methods for estimating individualized treatment rules (ITR)…

Methodology · Statistics 2026-01-12 Yunshu Zhang , Shu Yang , Wendy Ye , Ilya Lipkovich , Douglas E. Faries

Motivated by the analogy between successive interference cancellation and iterative belief-propagation on erasure channels, irregular repetition slotted ALOHA (IRSA) strategies have received a lot of attention in the design of medium access…

Information Theory · Computer Science 2015-01-06 Laura Toni , Pascal Frossard

Robust content moderation requires classification systems that can quickly adapt to evolving policies without costly retraining. We present classification using Retrieval-Augmented Generation (RAG), which shifts traditional classification…

Computation and Language · Computer Science 2025-08-11 Richard Willats , Josh Pennington , Aravind Mohan , Bertie Vidgen

Adaptive filtering algorithms are commonplace in signal processing and have wide-ranging applications from single-channel denoising to multi-channel acoustic echo cancellation and adaptive beamforming. Such algorithms typically operate via…

Sound · Computer Science 2021-10-11 Jonah Casebeer , Nicholas J. Bryan , Paris Smaragdis

Adaptive algorithms belong to an important class of algorithms used in radar target detection to overcome prior uncertainty of interference covariance. The contamination of the empirical covariance matrix by the useful signal leads to…

Signal Processing · Electrical Eng. & Systems 2021-01-01 Boris N. Oreshkin

In this letter, we propose a novel adaptive reduced-rank strategy based on joint iterative optimization (JIO) of filters according to the minimization of the bit error rate (BER) cost function. The proposed optimization technique adjusts…

Information Theory · Computer Science 2013-02-19 Yunlong Cai , Rodrigo C. de Lamare

Robust Reversible Watermarking (RRW) enables perfect recovery of cover images and watermarks in lossless channels while ensuring robust watermark extraction in lossy channels. Existing RRW methods, mostly non-deep learning-based, face…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Jiale Chen , Wei Wang , Chongyang Shi , Li Dong , Yuanman Li , Xiping Hu

The rise of highly convincing synthetic speech poses a growing threat to audio communications. Although existing Audio Deepfake Detection (ADD) methods have demonstrated good performance under clean conditions, their effectiveness drops…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-05 Haohan Shi , Xiyu Shi , Safak Dogan , Tianjin Huang , Yunxiao Zhang

The Andrew's sine function is a robust estimator, which has been used in outlier rejection and robust statistics. However, the performance of such estimator does not receive attention in the field of adaptive filtering techniques. Two…

Systems and Control · Electrical Eng. & Systems 2023-03-30 Lu Lu , Yi Yu , Zongsheng Zheng , Guangya Zhu , Xiaomin Yang

Intelligent reflecting surface (IRS) is a promising technology to assist downlink information transmissions from a multi-antenna access point (AP) to a receiver. In this paper, we minimize the AP's transmit power by a joint optimization of…

Signal Processing · Electrical Eng. & Systems 2020-05-26 Jiaye Lin , Yuze Zou , Xiaoru Dong , Shimin Gong , Dinh Thai Hoang , Dusit Niyato