Time-Frequency

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10 papers in the last four weeks, against 2 the four weeks before. 0.1% of all new papers.

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  1. CT-Miner: Fast and Coarse-Grained Time-Series Pattern Mining via Cartesian Trees

    Oct 4, 2026Hyundong Jin, Hyunki Hong, Yo-Sub HanSequence ModelingTime-Frequency

    Department of Computer Science Yonsei University, Seoul, Republic of Korea

  2. PI-AMFM: Permutation-Invariant Learning for Variable-Cardinality AM-FM Mode Decomposition in Biomedical Signal Analysis

    Sep 30, 2026Youngsun Kong, Ki H. ChonDynamic Mode DecompositionPhysiological Signals

    Biomedical Engineering, University of Connecticut, Storrs, CT 06029, USA

  3. TopTimeNet: Topologically-assisted time-series classification model

    Sep 30, 2026Sharareh Sayyad, Sophia BazziTime-Series ClassificationTopology

    Department of Mathematics and Statistics, Washington State University, Pullman, Washington 99164-3113, USA · European Molecular Biology Laboratory, EMBL Hamburg, c/o DESY, Building 25A, Notkestraße 85, 22603 Hamburg, Germany

  4. Fusion techniques of time frequency-based images to predict the outcome of rTMS depression therapy

    Sep 30, 2026Wael Korani, Md Fahimul Kabir Chowdhury, Mohammed Aledhari +2ElectroencephalographyDepression

  5. A Time-Aware Bag-of-Receptive-Fields for Interpretable Irregular Time Series Classification

    Sep 30, 2026Francesco SpinnatoTime-Series ClassificationTime Series

    Department of Computer Science, University of Pisa, Italy · ISTI-CNR, Pisa, Italy

  6. SPOC-Net: Single-Primitive Online Composition Network for GNSS Jamming Set Recognition

    Sep 28, 2026Zhihan Zeng, Kaihe Wang, José A. López-Salcedo +2Intentional JammingGlobal Navigation Satellite System

    National Key Laboratory of Wireless Communications, University of Electronic Science and Technology of China (UESTC), Chengdu, China · Shenzhen Institute for Advanced Study, UESTC, Shenzhen 518110, China · Universitat Aut`onoma de Barcelona, 08193 Barcelona, Spain

  7. DrafTS: Time-Aware Decomposition with Residual Correction for Time Series Modeling

    Sep 27, 2026Yiqiu Liu, Siru Zhong, Zhiguang Wang +2Time SeriesTemporal Dynamics

    The Hong Kong University of Science and Technology (Guangzhou), China · Abel AI Lab, USA · Squirrel Ai Learning, USA

  8. Neuralized Multi-Wavelet Decomposition for Time Series Classification and Forecasting

    Sep 24, 2026Xiaohan Jiang, Jingyuan Wang, Jiahao Ji +3Time-Series ClassificationMulti-Scale Convolution

    School of Computer Science and Engineering, Beihang University, Beijing, China · School of Computer Science and Engineering and the School of Economics and Management, Beihang University, Beijing, China · School of Computer Science and Engineering, Beihang University, Beijing, China, and are also with the MOE Engineering Research Center of Advanced Computer Application Technology, Beihang University, China +1

  9. Learnable Time-Frequency Masks for Explaining Time-Series Classifiers

    Sep 24, 2026Theresa Dahl Frehr, Francisco Pelayo, Lukas Raad +3Time-FrequencyDeep Learning

    Department of Applied Mathematics and Computer Science Technical University of Denmark

  10. CLUES-WEASEL: No additional clues required to choose your time series clustering algorithm

    Sep 7, 2026Johann FaouziTime-Series ClassificationClustering

    Univ Rennes, Ensai, CNRS, CREST - UMR 9194, F-35000 Rennes, France.

  11. Geometric Ceilings on Time-Frequency Masking for Single-Channel Separation

    Sep 3, 2026Maxime BaeldeSpeech SeparationTime-Frequency

    Independent researcher, Lille, France

  12. Neural Music Enhancement with Dual Time-Frequency Spectral Representations for Prediction and Discrimination

    Sep 3, 2026Fei Liu, Yang Ai, Zhen-Hua LingTime-FrequencyReverberation

    National Engineering Research Center of Speech and Language Information Processing, University of Science and Technology of China, Hefei, China

  13. FreSH: Frequency-Segmented Hierarchical Multi-Expert Framework for Multivariate Time Series Classification

    Aug 8, 2026Pingping Liu, Muyao Wang, Zijian Zhang +5Time-Series ClassificationMulti-Scale Convolution

    1Jilin University · 2Hong Kong Polytechnic University · 3Pengcheng Laboratory +1

  14. Omni-modal decomposition autoencoders learn full-stack wearable disentangled representations

    Aug 7, 2026Ioannis Ziogas, Ensieh Khazaei, Bilal Taha +4Multimodal Deep LearningHuman Activity Recognition

    Department of Biomedical Engineering and Biotechnology, Khalifa University, 127788 Abu Dhabi, UAE · Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON M5S 1A1, Canada · MIT Media Lab +2

  15. IMFACT: Counterfactual Explanations for Time Series via Intrinsic Mode Function Substitution

    Aug 5, 2026Udo Schlegel, Julian Rakuschek, Thomas Seidl +3Counterfactual ExplanationTime-Series Classification

    LMU Munich, Munich, Germany · TU Graz, Institute of Visual Computing, Graz, Austria · Munich Center for Machine Learning (MCML), Munich, Germany +3

  16. CENDRe: Concept Extraction with Natural Domain Representations

    Jul 31, 2026Antonia Holzapfel, Andres Felipe Posada Moreno, Sebastian TrimpeTime-FrequencyConvolutional Neural Networks

    Institute for Data Science in Mechanical Engineering (DSME) RWTH Aachen University Theaterstraße 35-39, 52062 Aachen, Germany

  17. TF-MossFormer: Integrating Convolution Gated Local-Global Attentions for Enhanced Time-Frequency Domain Monaural Speech Separation

    Jul 23, 2026Shengkui Zhao, Zexu Pan, Haoxu Wang +3Speech SeparationDiscrete Speech Representations

    Token Foundry, Alibaba Group, Singapore

  18. Signal or Noise? Understanding Generative Models for Real-World Sensor Time Series

    Jul 5, 2026Zitao Shuai, Zongzhe Xu, Yuntian Wu +3Time-Series GenerationGenerative Models

    University of California, Los Angeles · 2Carnegie Mellon University · 3Massachusetts Institute of Technology

  19. TF-MoE: Time-Frequency Mixture-of-Experts for Efficient Speech Separation

    Jun 28, 2026Qinzhe Hu, Chenda Li, Wangyou Zhang +3Speech SeparationTime-Frequency

    Auditory Cognition and Computational Acoustics Lab Shanghai Jiao Tong University, Shanghai, China · Microsoft Research Asia, China

  20. Frequency-Aware Self-Supervised Music Representation Learning

    Jun 24, 2026Yicheng Gu, Junan Zhang, Jerry Li +2Spectral FeaturesMusic Structure Analysis

    Spellbrush, Akihabara, Tokyo 101-0021, Japan · Acoustic Lab, Department of Information and Communications Engineering (DICE), Aalto University, Espoo 02150, Finland · School of Data Science, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China

  21. PHAST-Net: Attention-Guided, Physics-Informed Network for Unified Estimation of Ideal Time-Frequency Representations

    Jun 22, 2026James M. Cozens, Simon J. GodsillTime-FrequencyPhysics-Informed Learning

    Engineering Department, University of Cambridge, CB2 1PZ Cambridge, U.K.

  22. MedTS-TTT: Test-Time Training for Medical Time Series Classification

    Jun 19, 2026Mingzhi Chen, Yiyu Gui, Guibo LuoTime-Series ClassificationTest-Time Training

    Guangdong Provincial Key Laboratory of Ultra High Definition Immersive Media Technology, Shenzhen Graduate School, Peking University, Shenzhen, China

  23. A Stationarity-and-Coupling Criterion for Training-Free Time-Lagged Spectral Embeddings of Multivariate Time Series

    Jun 11, 2026Siddharth Pal, Viktoria RojkovaMultivariate Time-SeriesStationarity

  24. Time-frequency localization of bird calls in dense soundscapes

    Jun 9, 2026Simen Hexeberg, Fanghui Tong, Hari Vishnu +1Animal VocalizationsPassive Acoustic Monitoring

    Tropical Marine Science Institute, National University of Singapore, Singapore · Dept. of Electrical and Computer Engineering, National University of Singapore, Singapore · School of Computing, National University of Singapore, Singapore

  25. New Fractional Ambiguity Function Integrated with CNN-Based Machine Learning for Signal Classification

    Jun 6, 2026Aamir H. Dar, Prakhar Kumar Sonkar, Neeraj Kumar SharmaTime-FrequencyFourier

    Mehta Family School of Data Science & Artificial Intelligence, Indian Institute of Technology Guwahati, Guwahati-781039, India

  26. An explainable hierarchical self attention-based approach for tremor detection in the time domain

    May 30, 2026Timothy Odonga, Jeanne M. Powell, Mark Saad +5Time-FrequencySeizure Detection

    Department of Biomedical Informatics, School of Medicine, Emory University, Atlanta, GA, USA · Jean and Paul Amos Parkinson’s Disease and Movement Disorders Program, Department of Neurology, School of Medicine, Emory University, Atlanta, GA, USA · Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, USA

  27. Learning Hyperspherical Time-Frequency Representations for Time-Series Out-of-Distribution Detection

    May 29, 2026Willian T. Lunardi, Samridha Shrestha, Martin AndreoniOut-Of-Distribution DetectionTime-Series Classification

    Technology Innovation Institute, Abu Dhabi, United Arab Emirates · Khalifa University, Abu Dhabi, United Arab Emirates

  28. 3DAE: Binaural Quality Assessment for Audio Novel View Synthesis with Spatial Maps and Benchmark

    May 28, 2026Jialu Xu, Yifan ZhouSpatial AudioSound Source Localization

    University of Waterloo

  29. Attention-Guided Fusion of 1D and 2D CNNs for Robust ECG-Based Biometric Recognition

    May 17, 2026Arioua, Islameddine, Benzaoui +5BiometricsConvolutional Neural Networks

    aPIMIS Laboratory, Electronics and Telecommunications Department, Université du 8 Mai 1945, Guelma, Algeria · bElectrical Engineering Department, University of 20 August 1955, Skikda, Algeria · cDepartment of Electrical Engineering, Faculty of Science and Applied Sciences, Larbi Ben M’hidi University, Algeria. +1

  30. Time-Varying Deep State Space Models for Sequences with Switching Dynamics

    May 14, 2026Sanja Karilanova, Subhrakanti Dey, Ayça ÖzçelikkaleTime-Varying SystemsState Space Models

    Department of Electrical Engineering, Uppsala University, Sweden

  31. Quantum Kernels for Audio Deepfake Detection Using Spectrogram Patch Features

    May 7, 2026Lisan Al Amin, Rakib Hossain, Mahbubul Islam +2Audio Deepfake DetectionQuantum Kernels

    Potomac Quantum, USA · United International University, Dhaka, Bangladesh · University of Maryland, College Park, MD, USA +2

  32. Learning Fingerprints for Medical Time Series with Redundancy-Constrained Information Maximization

    Apr 30, 2026Huayu Li, ZhengXiao He, Xiwen Chen +4Representation LearningTimestep Embeddings

    University of Arizona, AZ, USA · Morgan Stanley, NY, USA · Clemson University, SC, USA +2

  33. A novel LSTM music generator based on the fractional time-frequency feature extraction

    Apr 20, 2026Li Ya, Chen Wei, Li Xiulai +3Time-FrequencyFourier

    College of Music,Hainan Normal University, Longkunnan, Haikou, 570100, Hainan, China. · R&D, Hainan Hairui Zhong Chuang Technol Co. Ltd., People, Haikou, 570228, Hainan, China.

  34. Classification of systolic murmurs in heart sounds using multiresolution complex Gabor dictionary and vision transformer

    Apr 17, 2026Mahmoud Fakhry, Abeer FathAllah BreryCardiacTime-Frequency

    CEIEC, Universidad Francisco de Vitoria, Pozuelo de Alarcón, Madrid 28223, Spain · Departamento de Informática, Universidad Carlos III de Madrid, Leganés, Madrid 28911,Apr Spain

  35. Enhancing time-frequency resolution with optimal transport and barycentric fusion of multiple spectrogram

    Apr 16, 2026David Valdivia, Elsa Cazelles, Cédric FévotteTime-FrequencyTwo-Level Spatial-Frequency Fusion Strategy

    IRIT, University of Toulouse, CNRS, France

  36. LatentFlowSR: High-Fidelity Audio Super-Resolution via Noise-Robust Latent Flow Matching

    Apr 10, 2026Fei Liu, Yang Ai, Hui-Peng Du +2Real-World Image Super-ResolutionLatent Flow

    National Engineering Research Center of Speech and Language Information Processing, University of Science and Technology of China, Hefei, 230027, China

  37. CWT-Enhanced Vibration Sensing With Time-Frequency Region Localization Using YOLO

    Sep 3, 2025Po-Heng Chou, Wei-Lung Mao, Ru-Ping Lin +2VibrationTime-Frequency

    Research Center for Information Technology Innovation (CITI), Academia Sinica (AS), Taipei 11529, Taiwan · Department of Electrical Engineering, National Yunlin University of Science and Technology (NYUST), Yunlin 64002, Taiwan

  38. Binaural Sound Event Localization and Detection based on HRTF Cues for Humanoid Robots

    Jul 28, 2025Gyeong-Tae Lee, Hyeonuk Nam, Yong-Hwa ParkSound Source LocalizationTime-Frequency

    Korea Advanced Institute of Science and Technology, Daejeon, South Korea

  39. Localized time-frequency representation learning for bioacoustic classification in complex soundscapes

    Feb 19, 2025Simen Hexeberg, Mandar Chitre, Matthias Hoffmann-Kuhnt +1Passive Acoustic MonitoringAnimal Vocalizations

    ARL, Tropical Marine Science Institute, National University of Singapore · Department of Electrical & Computer Engineering, National University of Singapore · National Parks Board, Singapore