Boundary-Aware Segmentation

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Overview

Boundary-aware segmentation aims to delineate objects and structures accurately, especially where boundaries are weak, thin, ambiguous, or clinically important. Common approaches add edge or distance-field prediction, boundary-weighted and topology-aware losses, frequency or geometric features, and targeted refinement guided by uncertainty; these methods are used in medical, remote-sensing, natural-scene, and 3D segmentation. Work also adapts foundation models with prompts, boundary-aware decoders, or distilled edge cues, and evaluates contours with measures such as Boundary F-score and Hausdorff distance alongside region-overlap metrics. A central challenge is improving boundary reliability without sacrificing region accuracy, generalization, or efficiency, particularly when annotations are uncertain or target domains differ.

Latest papers

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106 papers6 papers in the last four weeks, down 57% on the four weeks before. 0.0% of all new papers.

  1. O2D-MedNet: An Optimization-Aware Dual-Domain Framework for Robust Medical Image Segmentation

    Oct 26, 2026Shipeng Hu, Miaohui Wang, Jing Qin +2Medical Image SegmentationBoundary-Aware Segmentation

    Center of Digital Dentistry, Peking University School and Hospital of Stomatology. · State Key Laboratory of Radio Frequency Heterogeneous Integration and Guangdong Key Laboratory of Intelligent Information Processing, Shenzhen University. · School of Nursing, Hong Kong Polytechnic University.

  2. Hyperparameter-Free Boundary-Interior t-vMF Dice Loss for Medical Image Segmentation

    Oct 23, 2026Hinako Mitsuoka, Kazuhiro HottaMedical Image SegmentationBoundary-Aware Segmentation

    Meijo University, 1-501 Shiogamaguchi, Tempaku-ku, Nagoya, 468-8502, Japan

  3. Multiclass Boundary Refinement with Neural Cellular Automata for Remote Sensing Land Cover Segmentation

    Oct 21, 2026Pascoassis Souza Santos Meira, Gilson Antonio Giraldi, Rafael Duarte Coelho dos SantosRemote Sensing Image SegmentationBoundary-Aware Segmentation

    Instituto Nacional de Pesquisas Espaciais (INPE), São José dos Campos, SP, Brazil

  4. Contrastive uncertainty learning for robust multi-structure segmentation in lower-pelvic MR

    Oct 14, 2026Bilal Sidiqi, Yipei Wang, Wen Yan +3Medical Image Segmentation3D Medical Image Segmentation

    UCL Hawkes Institute, University College London, London, UK · Department of Medical Physics and Biomedical Engineering, University College London, London, UK · Centre for Bioengineering, School of Engineering and Materials Science, Queen Mary University of London, London, United Kingdom +2

  5. ForestQuery: Boundary-Aware and Spatially Anchored Query Learning for Unified Forest Point Cloud Segmentation

    Oct 2, 2026Zhihao Zhan, Le Tao, Yifei Tian +23D Point Cloud Segmentation3D Semantic Segmentation

    School of Electronic Science and Engineering, Nanjing University, Nanjing, 210023, China · TopXGun Robotics, Nanjing, 211100, China · School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, 210023, China +1

  6. UniBuild: Unified Building Mapping From Multi-Source Optical Remote Sensing Imagery With Detail Decoding and Geometry Regularization

    Sep 29, 2026Wei Huang, Chenying Liu, Yilei Shi +1Remote Sensing Image SegmentationBuilding Footprint Extraction

    Chair of Data Science in Earth Observation, Technical University of Munich, 80333 Munich, Germany

  7. CRF Loss is How Networks Should Learn Boundaries in Weakly Supervised Segmentation

    Sep 28, 2026Joshua Li, Yuri BoykovConditional Random FieldsWeakly Supervised Semantic Segmentation

    Cheriton School of Computer Science University of Waterloo

  8. Seeing Semantic Shift: Difference-Aware Sentence-Level Temporal Segmentation of Sign Language Videos

    Sep 25, 2026Bowen Guo, Shiwei Gan, Yafeng Yin +4Boundary-Aware SegmentationTemporal Action Segmentation

    State Key Laboratory for Novel Software Technology, Nanjing University, Suzhou, China

  9. Hybrid Gaussians for Robust Open-Vocabulary 3D Segmentation with Multi-View Object Association and Boundary Refinement

    Sep 23, 2026Xueqi Qiu, Yueming Sun, Tianyu Zhang +2Language-Embedded 3DGSOpen-Vocabulary 3D Segmentation

    Department of Computer Science, Durham University, Durham, United Kingdom · Shanghai Jiao Tong University, Shanghai, China

  10. Beyond Volume Overlap: Surface Matching for Topology-Aware Coronary Artery Segmentation

    Sep 22, 2026Rafael Velasquez, Esther Puyol-Antón, Pablo ArbeláezCoronary Artery SegmentationBoundary-Aware Segmentation

    Universidad de los Andes, Bogotá, Colombia · School of Biomedical Engineering & Imaging Sciences, King’s College London, London, UK

  11. Boundary and Intra-Segment Learning for Partial Audio Deepfake Localization

    Sep 22, 2026Zhe Ye, Xiangui Kang, Minhua Huang +3Audio Deepfake DetectionBoundary-Aware Segmentation

    Guangdong Key Lab of Information Security, School of Computer Science and Engineering, Sun Yat-sen University, China · Nanyang Technological University, Singapore · China Mobile Internet Corporation, China +1

  12. FSANet: Frequency-Spatial Aware Network for Image Segmentation

    Sep 15, 2026Ruibo Wang, Ziyi Shen, Huaming Wu +2Image SegmentationBoundary-Aware Segmentation

    Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, 2600 AA Delft, Netherlands · School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, China · Center for Applied Mathematics, Tianjin University, Tianjin 300072, China +1

  13. MambaMPD: A Mamba-Driven Segmentation Framework for Marine Pollution Detection from Remote Sensing Imagery

    Sep 14, 2026Shuaiyu Chen, Wei Han, Peng Ren +2Remote Sensing Image SegmentationVisual SSMs

    Department of Computer Science, University of Exeter, Exeter, United Kingdom · School of Computer Science, China University of Geosciences, Wuhan, China · College of Oceanography and Space Informatics, China University of Petroleum (East China), Qingdao, China

  14. BSC-Net: A Small-Branch-Sensitive Structural Continuity Network for Coronary Vessel Segmentation and Quantitative Angiographic Analysis

    Sep 14, 2026Wanxian Li, Jiaqian Qin, Qingyi Xian +4Coronary AngiographyTopology-Preserving Image Segmentation

    School of Biomedical Engineering, Sun Yat-sen University, Shenzhen, 518107, China. · Department of Cardiovascular Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China · Department of Laboratory Medicine, West China Hospital of Sichuan University, Chengdu, 610041, China.

  15. Beyond Accuracy: Uncertainty-Guided Boundary Refinement for Reliable Biomedical Image Segmentation

    Sep 11, 2026Anima KujurMedical Image SegmentationBoundary-Aware Segmentation

    Interdisciplinary Centre for Scientific Computing (IWR), Heidelberg University, Heidelberg, Germany

  16. Beyond Weak Labels: Prompt-Guided Local Refinement for Weakly Supervised Water Segmentation in High-Resolution Multispectral Imagery

    Sep 9, 2026Muhammad Farhan Humayun, Mohammad Imangholiloo, Afifah Shah +2Remote Sensing Image SegmentationPromptable Image Segmentation

    Department of Computing, University of Turku, Finland · Department of Geoinformatics and Cartography, Finnish Geospatial Research Institute, National Land Survey of Finland, Espoo, Finland

  17. Over-Tightening-Aware Pseudo-Labeling for Tight-Boundary Speaker Diarization

    Sep 9, 2026Shota Horiguchi, Takanori Ashihara, Marc Delcroix +2Pseudo-LabelingBoundary-Aware Segmentation

    NTT, Inc., Japan

  18. MARS-CLIP: Multi-Resolution and Attention Refined Zero-Shot Image Segmentation

    Sep 8, 2026Nagito Saito, Shintaro Ito, Koichi Ito +1Multi-Scale Feature FusionBoundary-Aware Segmentation

    Graduate School of Information Sciences, Tohoku University, Japan.

  19. Boundary Voting Network for Ambiguity-Aware Timestamp-Supervised Action Segmentation

    Sep 8, 2026Runzhong Zhang, Yueqi Duan, Yang Chen +4Temporal Action SegmentationBoundary-Aware Segmentation

    School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore · Department of Electronic Engineering, Tsinghua University, Beijing, China · Amazon, Seattle, America

  20. ARCOS: Zero-shot Boundary Localization for Corneal Layer Segmentation Across Optical Coherence Tomography Devices

    Sep 3, 2026Nuno Vivas Brás, Benjamin Memmi, Maëlle Bouhassane +4Domain GeneralizationOptical Coherence Tomography

    Laboratoire d’Optique et Biosciences, CNRS, INSERM, ´Ecole polytechnique, Institut Polytechnique de Paris, Palaiseau, France · GRC 32, Transplantation et Th´erapies Innovantes de la Corn´ee, Sorbonne Universit´e, Centre Hospitalier National d’Ophtalmologie des Quinze-Vingts, Paris, France

  21. VCAR: Training-Free 3DGS Segmentation via View Completeness and Axis-Aware Boundary Refinement

    Aug 31, 2026Kun Cao, Di Wang, Haibin Zhu +43D Gaussian Splatting3DGS Segmentation

    Jinan University · Zhuhai, China

  22. Steer the Sampling, Not the Kernel Grid: Geometry-Guided Sampling Operator for Volumetric Segmentation

    Aug 26, 2026Sizhe Wang, Himashi Peiris, Zhaolin Chen3D Medical Image SegmentationBoundary-Aware Segmentation

    Department of Data Science & AI, Faculty of Information Technology, Monash University, Clayton, VIC, Australia

  23. CRISP: Calibration-Aware Visual State Space Duality for Remote Sensing Semantic Segmentation

    Aug 24, 2026Kangning Wang, Haopeng Zhang, Zhiguo JiangSemantic SegmentationRemote Sensing Image Segmentation

    Tianmushan Laboratory, Beihang University, Hangzhou 311115, China · Hangzhou International Innovation Institute, Beihang University, Hangzhou 311115, China · School of Astronautics, Beihang University, Beijing 102206, China +1

  24. CiUNet: A Hybrid Swin-CNN UNet for Medical Image Segmentation

    Aug 23, 2026Bin Dong, Jinghong ChenMedical Image SegmentationU-Net

    Ciphowork GmbH

  25. BASeg: Boundary-Aware Remote Sensing Segmentation with Structural Penalties

    Aug 16, 2026Yuexi Song, Kailai Sun, Zhuoyu Wang +4Remote Sensing Image SegmentationBoundary-Aware Segmentation

    National University of Singapore · Singapore-MIT Alliance for Research and Technology · Massachusetts Institute of Technology +1

  26. Hierarchical Adaptive Feature Refinement Network for VHR Remote Sensing Image Segmentation

    Aug 16, 2026Shuaishuai Cao, Meng Tang, Shuwei Peng +7Remote Sensing Image SegmentationMulti-Scale Feature Fusion

  27. EA-LiteUNet: An Edge-Adaptive and Resource-Efficient U-Net for Boundary-Sensitive Dermoscopic Image Segmentation

    Aug 16, 2026Wang Jiangtao, Nur Intan Raihana Ruhaiyem, Fu Panpan +2Image SegmentationSkin Lesion Segmentation

    School of Network Communication, Zhejiang Yuexiu University, Shaoxing,312000, China · School of Computer Sciences, Universiti Sains Malaysia, Penang,11800, Malaysia

  28. Frequency and Edge-Guided Segment Anything Model for Remote Sensing Image Semantic Segmentation

    Aug 15, 2026Feng Gao, Zizhe Pan, Haoting Wang +4Remote Sensing Image SegmentationSegment Anything Models

    State Key Laboratory of Physical Oceanography, Ocean University of China, Qingdao 266100, China · Department of Electrical and Computer Engineering, Mississippi State University, Starkville, MS 39762 USA

  29. Zero-Shot Adaptation of Medical Vision Foundation Models for High-Frequency Micro-Ultrasound Prostate Segmentation

    Aug 14, 2026Ayusha Abbas, Saram Abbas, Kabita AdhikariUltrasound Image SegmentationMedical Image Segmentation

    Newcastle University Newcastle Upon Tyne, UK

  30. FIRM: Fine-Grained Intra-Token Representation of Masks for Remote Sensing Reasoning Segmentation

    Aug 14, 2026Weidong Tang, Kaiyu Li, Yikai Wang +4Remote Sensing Image SegmentationReferring Image Segmentation

    Xi’an Jiaotong University, Xi’an, China · China Agricultural University, Beijing, China · Renmin University of China, Beijing, China +1