Unsupervised Detection

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26 papers in the last four weeks, up 53% on the four weeks before. 0.3% of all new papers.

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  1. Detecting Nighttime Anomalies from NASA Black Marble Using a Generalized Spatio-Temporally Robust Framework of Machine Leaning Ensembles

    Oct 5, 2026Srija ChakrabortyUnsupervised Detection

    Universities Space Research Association

  2. Prompt and Refinement: Asymmetric Mutual Learning for Infrared Small Target Detection with Noisy Labels

    Oct 5, 2026Yimin Fu, Songbo Wang, Lizhuo Liu +3Infrared Small Target DetectionNoisy Labels

    Department of Mathematics, Hong Kong Baptist University, Hong Kong, China · School of Automation, Northwestern Polytechnical University, Xi’an, 710072, China · School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an, 710054, China

  3. Have an LLM Write Your Anomaly Detector: Autonomous Discovery of Compact, Interpretable Detectors for Time Series

    Oct 1, 2026David BerghausTime-Series Anomaly DetectionUnsupervised Detection

    Lamarr Institute Germany · Fraunhofer IAIS Germany

  4. Generalist Representation, Specialist Detection: TS-Router for Time-Series Anomaly Detection

    Oct 1, 2026Tian Lan, Yifei Gao, Yimeng Lu +6Time-Series Anomaly DetectionGraph Anomaly Detection

    Department of Industrial Engineering Tsinghua University · Huawei · Datadog AI Research Paris, France

  5. A Generalizable and Explainable Framework for Synthetic Video Detection Using First-Digit Gradient Statistics

    Sep 30, 2026Sidharth Shanu, Gautam Kumar, Tej SinghAi-Generated Video DetectionDigital Forensics

    B.Tech CSE IIT Jodhpur, India · School of Automation & Robotics GGSIPU, New Delhi, India · Centre for Artificial Intelligence MITS Gwalior, India

  6. Deep Learning for Anomaly Detection in Railway Systems: A Structured Survey

    Sep 30, 2026Ammar Bouketta, Smail Niar, Hamza OuarnoughiRelightingUnsupervised Detection

    Université Polytechnique Hauts-de-France, LAMIH CNRS UMR 8201, Valenciennes, France · Alstom, Crespin, France · Université Polytechnique Hauts-de-France, LAMIH CNRS UMR 8201, INSA Hauts-de-France, Valenciennes, France +1

  7. Look Closer: Patch-wise Supervision for AI-Generated Image Detection

    Sep 29, 2026Zhida Zhang, Tao Wu, Siyu Liu +1Ai-Generated Image DetectionUnsupervised Detection

    MAIS & NLPR, Institute of Automation, Chinese Academy of Sciences (CASIA), Beijing, China · ShanghaiTech University, Shanghai, China · Anhui University, Hefei, China

  8. VesselBench-800K: A Large-scale Perception Benchmark for Multimodal Vessel Detection, Counting, and Density Estimation

    Sep 29, 2026Danfeng Hong, Chenyu Li, Jocelyn ChanussotShip DetectionMaritime Navigation

    School of Automation, Southeast University, Nanjing 211189, China · Univ. Grenoble Alpes, INRAE, LESSEM, 38000 Grenoble, France · Univ. Grenoble Alpes, Inria, CNRS, Grenoble INP, LJK, Grenoble 38000, France

  9. ModalFidelity: Routing Modalities for Deepfake Detection on a Budget

    Sep 29, 2026Oguzhan Baser, Kaan Kale, Sriram Vishwanath +1Deepfake DetectionDigital Forensics

    The University of Texas at Austin, Austin, TX, USA · Georgia Institute of Technology, Atlanta, GA, USA

  10. RED: Reconstruction Evolution Dynamics for Generalizable AI-Generated Image Detection

    Sep 29, 2026Wenpeng Mu, Junshan Jin, Tanfeng Sun +2Ai-Generated Image DetectionDigital Forensics

    School of Computer Science, Shanghai Jiao Tong University, Shanghai, China

  11. Look Before You Judge: Training-Free Region Mining for Grounded and Explainable Deepfake Detection

    Sep 28, 2026Chia-Ling Chen, Yu-Ting Ta, Jian-Yu Jiang-Lin +8Deepfake DetectionUnsupervised Detection

    National Taiwan University · National Tsing Hua University · National Yang Ming Chiao Tung University

  12. DF-CBM: Region-Aware Concept Bottleneck Models for Deepfake Detection

    Sep 28, 2026Georgios Tsoumplekas, Vazgken Vanian, Alexandros Doumanoglou +4Deepfake DetectionUnsupervised Detection

    Department of Networks and Digital Media, Kingston University London, UK · Centre for Research and Technology Hellas (CERTH), Thessaloniki, Greece · Department of Computer Science, Kingston University London, UK

  13. Detection of Adversarial Attacks on Super-Resolvers Using Spectral Features

    Sep 28, 2026Emma J. Reid, Haley Duba-Sullivan, Tony G. AllenUnsupervised DetectionResnet-18

    Human Analysis and Biometrics Oak Ridge Laboratory Oak Ridge, TN, USA · Radar and Computational Imaging Oak Ridge Laboratory Oak Ridge, TN, USA

  14. Augmenting Visual Anomaly Detection with Automated Interpretability

    Sep 27, 2026Antonio De Santis, Arsenio Leo, Marco BrambillaMultimodal Anomaly DetectionUnsupervised Detection

    Politecnico di Milano · Thales Alenia Space

  15. Relative Mismatch: Local-Reference Calibration of Feature-Space Flows for Anomalous Sound Detection

    Sep 24, 2026Anbai Jiang, Xinhu Zheng, Lvxin Xu +6Sound Event DetectionUnsupervised Detection

    Tsinghua University · Shanghai Jiao Tong University · North China Electric Power University +1

  16. EIB-Net: Entropy-Guided Information Bottleneck for Generalizable AI-Generated Image Detection

    Sep 24, 2026Zhida Zhang, Xinlei Ma, Jie CaoAi-Generated Image DetectionImage Generation

    School of Artificial Intelligence, UCAS & NLPR, CASIA Beijing, China · School of Advanced Interdisciplinary Sciences, UCAS & NLPR, CASIA Beijing, China · NLPR, Institute of Automation, Chinese Academy of Sciences Beijing, China

  17. DFD-Lab: A Modular Audio-Visual Deepfake Detection Pipeline

    Sep 20, 2026Jan Rybarczyk, Mateusz Roszkowski, Jacek KomorowskiDeepfake DetectionUnsupervised Detection

    Warsaw University of Technology

  18. CoRELoop: Parameter-Efficient Controlled Recurrent Refinement for Audio Deepfake Detection

    Sep 17, 2026Kunyu Feng, Yuxiang Wang, Li Wang +2Audio Deepfake DetectionNeural Audio

    The Chinese University of Hong Kong, Shenzhen · Amphion Technology Co., Ltd.

  19. Seeing Abnormal from Normal: Glomerular Abnormality in Representations of Normal Renal Morphology

    Sep 16, 2026Greta Hasko, Rachit Saluja, Tianyu Shi +11Chronic Kidney DiseaseAbnormality

    Cornell University, Ithaca, NY 14853, USA · Cornell Tech, New York, NY 10044, USA · Sichuan University, Chengdu, 610207, CN +6

  20. Deep Learning Detection of Beyond-General-Relativity Deviations in Gravitational-Wave Signals: A Detection-Threshold Study with Real LIGO Noise

    Sep 16, 2026Muhammad Adnan ShahzadGravitational WavesGeneral Relativity

    Department of Computer Science and Software Engineering (CSSE), Concordia University, Montreal, QC, Canada

  21. A Non-Linear Neuron Based Detection of Isolated Pixels in Binary and Grayscale Images using Contrast Sensitive Receptive Fields

    Sep 16, 2026Nassir MohammadReceptive FieldsUnsupervised Detection

    Cyber Innovation Lab, VCX, Airbus, Newport, UK

  22. Mask 2D-3D: Adaptive Dual-Masked Autoencoder Network for Image-to-Point Cloud Registration

    Sep 16, 2026Zhixin Cheng, Jiacheng Deng, Xiaotian Yin +3Point Cloud RegistrationPoint Clouds

    School of Computer Science and Technology, Hefei University of Technology, Hefei 230601, China · School of Information Science and Technology, University of Science and Technology of China, Hefei 230027, China · Institute of Advanced Technology, University of Science and Technology of China, Hefei 230027, China

  23. Det-LIME: Detector-Aware, Multi-Instance Local Interpretable Model-Agnostic Explanations for Automated Marine Mammal Detection

    Sep 15, 2026Jiayi Zhou, David W. Johnston, Brinnae BentUnsupervised DetectionObject Localization

    Pratt School of Engineering, Duke University, Durham, North Carolina, United States · Division of Marine Science and Conservation, Nicholas School of the Environment, Duke University, Durham, North Carolina, United States

  24. Input Resolution Matters: Real-Time Object Detection Latency

    Sep 14, 2026Qingyang Zhang, Fumio Machida, Laura CarnevaliYolo26Object Detection

    Department of Computer Science University of Tsukuba Tsukuba, Japan · Department of Information Engineering University of Florence Florence, Italy

  25. Overview and Meta-Analysis of DCASE 2026 Challenge Task 6: Audio Moment Retrieval from Long Audio

    Sep 11, 2026Hokuto Munakata, Tatsuya Komatsu, Keisuke Imoto +3Unsupervised Detection

    LY Corporation, Japan · Kyoto University, Japan · Sony Interactive Entertainment, Japan +2

  26. What Makes Adversarial Examples Transfer Across Deepfake Detectors?

    Sep 9, 2026Rafael M. Mamede, Pedro C. Neto, Ana F. SequeiraDeepfake DetectionAdversarial Examples

    INESC TEC, Porto, Portugal · Faculty of Engineering, University of Porto (FEUP), Porto, Portugal · Unilabs, Porto, Portugal

  27. TriCCOT: Tri-part Convolutional Conformal Transformer for Onboard Space Object Detection

    Sep 8, 2026Adrien Dorise, Marjorie Bellizzi, Julia Cohen +1Detection TransformerObject Detection

    Centre National d’Etudes Spatiales, CNES Toulouse, France · IRT Saint-Exupéry Toulouse, France

  28. Harnessing CLIP and DINO: An Uncertainty-Aware Cascaded Fusion Network for Generalizable Deepfake Image Detection

    Sep 7, 2026Xuechao Zou, Yi Zhou, Kai Li +4Deepfake DetectionForgeries

    Beijing Jiaotong University · Tsinghua University · Ant Group

  29. Differentiable Interval Bottlenecks for Interpretable Anomaly Detection in Numerical Data

    Sep 3, 2026Lamine Diop, Marc PlantevitGraph Anomaly DetectionInterpretable Anomaly Detection

    EPITA, Laboratoire de Recherche de l’EPITA (LRE) · Le Kremlin-Bicˆetre, France

  30. BMCTrack-d: Pig re-identification and tracking via back marks in challenging camera settings

    Sep 3, 2026David Brunner, Maciej Oczak, Marie Bordes +3Animal Re-IdentificationMulti-Object Tracking

    Bioinformatics Research Group, PLFDoc, University of Applied Sciences Upper Austria, Softwarepark 11, Hagenberg, 4232, Austria · Computer Vision Lab, TU Wien, Favoritenstraße 9/11, Vienna, 1040, Austria · Precision Livestock Farming Hub, The University of Veterinary Medicine Vienna, Veterinärplatz 1, Vienna, 1210, Austria +1

  31. Neural-Collapse-guided Task-Free Continual Anomaly Detection

    Sep 3, 2026Xiaotong Kong, Chaoyang Song, Ziai Zhou +3Graph Anomaly DetectionUnsupervised Detection

    Key Laboratory of Measurement and Control of CSE, Ministry of Education, School of Automation, Southeast University, Nanjing 210096, China

  32. Beyond Small Patches: Black-Box Detection and Purification of Diverse Backdoor Triggers

    Sep 2, 2026Ahmed Abdelnaby, Mohamed ElmahallawyClean Label Backdoor AttackUnsupervised Detection

    School of Engineering and Applied Sciences, Washington State University, Richland, WA 99354, USA

  33. Efficient Passive Acoustic Monitoring of Killer Whales Using a Two-Stage Detection and Ecotype Classification Cascade

    Sep 1, 2026Daniela Ruiz, Manuel Castellote, Zhongqi Miao +5Passive Acoustic MonitoringFish

    Microsoft AI for Good Research Lab, Redmond, Washington, USA · Universidad de los Andes, Bogota, Colombia

  34. A Sensor-Adaptive Incremental Learning Framework for Artifact Detection in Satellite Precipitation Data

    Sep 1, 2026Andres F. Monsalve, Hernan A. Moreno, Christian D. KummerowSatellite ImageryUnsupervised Detection

    University of Texas at El Paso, El Paso, TX, USA · Colorado State University, Fort Collins, CO, USA

  35. Panda Diplomacy: Foundation Model Pre-training across Particle Imaging Detectors for High Energy and Nuclear Physics

    Sep 1, 2026Samuel Young, César Jesús-Valls, Kazuhiro TeraoWireless Foundation ModelsFoundation Model

    Stanford University · Stanford, CA 94305 · European Organization for Nuclear Research (CERN) +3

  36. Foundation and Multimodal Large Language Models for Face Presentation and Morph Attack Detection

    Aug 30, 2026Hatef Otroshi Shahreza, Asif Hussain Khan, Peter Lorenz +2Facial ImagesMultimodal Foundation Model

    Idiap Research Institute, Switzerland · Université de Lausanne, Switzerland

  37. Hierarchical Channel Stacking: A Structured Decision Framework for AI-Generated Image Detection

    Aug 27, 2026Saifullah Shoaib, Akash Borigi, Rupendra Lekkala +5Synthetic Image DetectionAi-Generated Image Detection

    Missouri University of Science & Technology, Rolla MO 65409, USA · University of Houston, Houston TX 77479, USA · Aug Cranium AI, Inc., Short Hills NJ 07078, USA

  38. Too Sure to Be Safe: Model Calibration for Reliable Log Anomaly Detection

    Aug 18, 2026Bin Li, Dongdong Wang, Siyang LuInterpretable Anomaly DetectionDetection Performance

    School of Cyberspace Science and Technology, Beijing Jiaotong University, Beijing, China · University of Florida, Gainesville, FL, USA · School of Computer and Technology, Beijing Jiaotong University, Beijing, China

  39. Understanding Why Foundation Models Work for Diffusion-Generated Image Detection

    Aug 12, 2026Davide Cozzolino, Giovanni Poggi, Luisa VerdolivaAi-Generated Image DetectionUnsupervised Detection

    University Federico II of Naples, 80125 Naples, Italy

  40. Unsupervised Detection of Groundwater Storage Anomalies in Ghana Using GRACE Satellite Data

    Aug 10, 2026George Yamoah Afrifa, Theophilus Ansah-Narh, Marcellin AtemkengUnsupervised DetectionLong-Term

    Ghana Space Science and Technology Institute Accra, Ghana · Department of Mathematics Rhodes University, Grahamstown, South Africa

  41. A Convolutional Layer Activation Dimensionality Reduction for Out-of-Distribution and Adversarial Attack Detection Methods

    Aug 10, 2026Leandro de Souza Rosa, Lorenzo Capelli, Clara Nunes Barrancos +2Final Convolutional LayersOut-Of-Distribution Detection

    Dipartimento di Ingegneria dell’Energia Elettrica e dell’Informazione “Guglielmo Marconi” (DEI) - Alma Mater Studiorum Università di Bologna, Bologna, Italy · Advanced Research Center on Electronic Systems “Ercole De Castro” (ARCES) - Alma Mater Studiorum Università di Bologna, Bologna, Italy

  42. Structure-Enhanced Features and Quality-Aware Dynamic Anchor Scoring for Robust Lane Detection

    Aug 10, 2026Weize Cai, Yongqi Dong, Zhida Shao +2Unsupervised DetectionFeature Extraction

    RWTH Aachen University, Aachen, Germany · Delft University of Technology, Delft, The Netherlands · Chang’an University, Xi’an, China

  43. TriView-YOLO: Early Multi-View Fusion for Ground Penetrating Radar Cavity Detection in Soft, High-Water-Content Soils

    Aug 10, 2026Suphawut Thawinutchokaudom, Sompote Youwai, Warat Kongkitkul +3Subsurface ScatteringCross-View Fusion

    AI Research Group, Department of Civil Engineering, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand · Center for Disaster Management Informatics Research, Ehime University, Matsuyama, Japan · Canaan Geo Research Co., Ltd., Matsuyama, Ehime, Japan

  44. Foundation Models are Implicit Deepfake Detectors

    Aug 10, 2026Stefan Smeu, Dragos-Alexandru Boldisor, Elisabeta Oneata +1Deepfake DetectionUnsupervised Detection

    1Bitdefender, Romania · 2POLITEHNICA Bucharest

  45. PatchHead: Learning Spatial Patch Evidence for Generalizable AI-Generated Image Detection

    Aug 10, 2026Shengbo Qi, Hongyi Fang, Benjia Zhou +1Ai-Generated Image DetectionUnsupervised Detection

    Beijing Institute of Technology, Zhuhai · Shenzhen University

  46. SCTD 3.0: Sonar Common Target Detection in the Wild - A Large-Scale, Multi-Scene Dataset from Real Marine Surveys

    Aug 8, 2026Peng ZhangForward-Looking SonarUnderwater Acoustic Target Recognition

  47. Data collection from highways: a geometric, class-agnostic approach to embedded vehicle counting

    Aug 7, 2026Lucas Gouveia Omena Lopes, William W. M. Lira, Alexandre M. Lima +1Object DetectionUnsupervised Detection

    Universidade Federal de Alagoas, Maceió, Alagoas, Brazil

  48. IceHorizon: A Dataset for Horizon Detection in Ice-Covered Maritime Environments and Comparative Evaluation of Detection Methods

    Aug 7, 2026Alisa Pesotskaia, Emin ZermanShip DetectionAerial Imagery

    Department of Computer and Electrical Engineering Mid Sweden University, Sundsvall, Sweden

  49. MuST-VAD: Mutual Structured Learning for Video Anomaly Detection

    Aug 7, 2026Satoshi Hashimoto, Hitoshi Nishimura, Mori KurokawaTraining-Free Video Anomaly DetectionFine-Grained Video Understanding

    KDDI Research, Inc. Fujimino, Saitama, Japan

  50. ECAD: Expanding Class-Agnostic Detection Beyond Thing-Centric Objectness

    Aug 7, 2026Liang Wan, Zixin Ren, Yupeng Zhang +2Unsupervised Detection

    College of Intelligence and Computing, Tianjin University. · 2Key Research Center for Surface Monitoring and Analysis of Relics, State Administration of Cultural Heritage.

  51. AdvTiles: Physical Adversarial Camouflage Clothing against Person Detectors via Learnable Tiles

    Aug 7, 2026Jinlei Wang, Jiahuan Long, Mingkai Sun +9Black-Box Adversarial AttacksCamouflage

    Sun Yat-sen University · 2Chinese Academy of Military Science · 3Shenzhen University +2

  52. Grounded Well-Condition Anomaly Detection on the Volve Field: Constructed Labels, a Baseline, and a Dual-Head Model

    Aug 6, 2026Gospel Bassey, Samuel Bassey, Vincent FakiyesiGraph Anomaly DetectionAbnormality

    Independent Researcher. · College of Engineering, Biochemical Engineering. University of Georgia. · College of Engineering, EETI. University of Georgia.

  53. LoDA: A Level of Detection Aware Method and a Multimodal Sensing Benchmark for Object Level Change Detection

    Aug 5, 2026Haitian Wang, Xinyu Wang, Sheldon Fung +23D Object DetectionChange Detection

    Western Australia Machine Intelligence Group Pty Ltd Nedlands, WA, Australia · Department of Computer Science and Software Engineering The University of Western Australia Crawley, WA, Australia

  54. HexMIL: Hierarchical Attention MIL for Ante-Hoc Explainable Detection of AI-Manipulated CT Volumes

    Aug 5, 2026Orazio Pontorno, Luca Guarnera, Zahid Akhtar +1Deepfake DetectionUnsupervised Detection

    Department of Mathematics and Computer Science, University of Catania, Catania, Italy · Department of Electrical and Computer Engineering, State University of New York Polytechnic Institute, Utica, NY, USA

  55. MGSB: Manifold Gated Signature Branch Pressure-Domain Baseline Architecture for Two-Phase Pipeline Flows Under Distributional Shift

    Aug 5, 2026Issah Suleiman, Sormeh Serpoosh, Nadine Elkholy +3Mobile Gas Sensor Trajectories Govern Hydrogen Leak DetectionOut-Of-Distribution Detection

  56. Keep the Needle, Prune the Haystack: Defect-Preserving Token Pruning for Efficient Zero-Shot Anomaly Detection

    Aug 4, 2026Yanning Hou, Jingyuan Zhang, Xiaoyun Wang +3Multimodal Anomaly DetectionVisual Token Pruning

    2National University of Defense Technology, Changsha, China · 1Anhui University, Hefei, China

  57. SpreadMark: Robust Image Watermarking via Spread-Spectrum Embedding

    Aug 4, 2026Wei Song, Yuxin Cao, Zhenchang Xing +4WatermarksDeepfake Detection

    University of New South Wales, Australia · National University of Singapore, Singapore · CSIRO’s Data61, Australia

  58. Z-PEFT: Zero-shot Backdoor Detection in Parameter-Efficient Fine-Tuning via Canonical Spectral Signatures

    Aug 3, 2026Nicola Pitzalis, Donald Shenaj, Giacomo Cignoni +3Clean Label Backdoor AttackParameter-Efficient Fine-Tuning Methods

    University of Pisa

  59. Open-Set Visual Text Forensics via Sparse-Constraint Rectified Flow

    Aug 3, 2026Jiangling Zhang, Shuxuan Gao, Zeyu Chen +2Face Forgery DetectionForgeries

    VCIP & TMCC & DISSec College of Computer Science Nankai University Tianjin, China · School of Computer Science and Artificial Intelligence Wuhan University of Technology Wuhan, China · VCIP & TMCC & DISSec College of Computer Science & College of Cryptology and Cyber Science Nankai University Tianjin, China

  60. AdaForensics: Learning A Characteristic-aware Adaptive Deepfake Detector

    Aug 3, 2026Xiaoke Yang, Haixu Song, Xiangyu Lu +2Deepfake DetectionDigital Forensics

    Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China · Department of Electronic Engineering, Tsinghua University, Beijing, China