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Papers Lesion Segmentation

“Lesion Segmentation” 태그가 달린 논문 766편 · 필터 해제

Synthetic training for long-tail haemorrhagic lesion segmentation in data-scarce settings

2026-10-01 · Yuan Cao, Sumeet Dash, Antonia Zachariadis, Stefanie Schreiber 외 arxiv

Cerebral microbleeds (CMBs) and cortical superficial siderosis (cSS) are imaging markers of cerebral small vessel disease, but their automated segmentation is limited by the scarcity of positive cases and voxel-level ann…

Lesion Segmentation

LightMedSeg-ISLES: Stroke Lesion Segmentation with 81x Fewer Parameters than nnU-Net

2026-09-09 · Giorgi Nikvashvili, Hanxue Gu, Jie Bao, Kang Wang 외 arxiv

Large networks and ensembles often lead medical image segmentation challenges, but their storage and inference demands complicate deployment. We present LightMedSeg-ISLES, a 1.26-million-parameter pipeline for T1-weighte…

Medical Image SegmentationLesion Segmentation

CGSM: Concept-Guided Segmentation Model for Precise Pulmonary Lesion Delineation

2026-09-07 · Changheng Lin, Wenjie Zhang, Yushan Lu, Xinyue Yan 외 arxiv

Accurate segmentation of pulmonary lesions is essential for effective clinical diagnosis and treatment strategies. Existing segmentation approaches often lack task-specific semantic guidance, as text-based annotations ty…

Lesion Segmentation

Anatomy-Aware Promptable Segmentation with Online Interactive Training for AUTOPET V

2026-08-28 · Pablo Lozano-Jimenez, Sergio Romero-Tapiador, Ruben Tolosana arxiv

We present an anatomy-aware, promptable model for whole-body lesion segmentation in FDG and PSMA PET/CT, developed for the AUTOPET V challenge. The proposed method is built as family of nnU-Net-based models and trained i…

Lesion Segmentation

Less Contouring, More Accuracy: Lesion-Guided ROI Deep Learning for Ovarian Ultrasound Classification

2026-08-26 · Mehran Ahmad, Ali Abbasian Ardakani, Afshin Mohammadi, Alisa Mohebbi 외 arxiv

Ovarian lesion classification using transvaginal ultrasound remains challenging due to overlapping imaging characteristics and the dependence on expert interpretation. This study investigates whether lesion-guided region…

Binary ClassificationLesion Segmentation

Deep Learning Segmentation of Diffusion-Weighted MRI Acute Ischaemic Stroke: A Pragmatic Evaluation Across Three Datasets

2026-08-26 · Atle Bjørnerud, Till Schellhorn, Thor H. Skattør, Terje Nome 외 arxiv

Objective: Diffusion-weighted MRI (DWI-MRI) is the gold standard for visualizing and quantifying acute ischaemic stroke (AIS). Although deep learning methods can accurately segment AIS lesions, the optimal image inputs a…

Lesion Segmentation

MUST-PET: MUltimodal Self-supervised learning across Tracers for whole-body PET/CT-based lesion segmentation

2026-08-20 · Bashirul Azam Biswas, Amartya Bhattacharya, Biratal Raj Wagle, Matthew E. Maeder 외 arxiv

Deep learning-based whole-body PET-CT lesion segmentation can support cancer staging, treatment planning, and response assessment, but generalization is limited by scarce annotations and domain shifts. Self-supervised le…

Self-Supervised LearningLesion Segmentation

When Two Tracers Disagree: An Investigation of Multimodal Fusion for Clinical PET/CT Segmentation

2026-08-19 · Jack A. Johnson, Bartłomiej W. Papież arxiv

PSMA and FDG PET/CT visualise complementary biological information in prostate cancer. Combining both tracers could capture heterogeneous tumour phenotypes that may be missed by either alone, yet there is no consensus on…

Lesion Segmentation

Adaptive Post-Processing Drives Instance-Level Detection in Stroke Lesion Segmentation

2026-08-17 · Qinghui Liu, Jon André Ottesen, Atle Bjørnerud, Kyrre Eeg Emblem arxiv

Instance-level lesion detection has been an increasingly larger focal point in medical image segmentation besides the more standard voxel-level overlap. Still, most pipelines are trained and post-processed for voxel over…

Medical Image SegmentationLesion Segmentation

OTLesMix: Wasserstein Barycenter and Optimal Transport Map for Synthetic Lesion Generation with Diverse Shapes and Locations

2026-08-06 · Robin Trombetta, Carole Lartizien arxiv

The development of deep learning over the past decade has revolutionized medical imaging segmentation, allowing the extraction of precise descriptors from large volumes to characterize pathologies. Data augmentation is a…

Lesion SegmentationData Augmentation

Similarity Weighted Aggregation with Global Differential Privacy for Federated Brain Lesion Segmentation

2026-08-01 · Muhammad Irfan Khan, Eero Lehtonen, Joni Obradovic, Elina Kontio 외 arxiv

Federated Learning (FL) enables collaborative training of machine learning models across multiple institutions without sharing sensitive data, making it particularly suitable for medical imaging applications. However, he…

Brain Tumor SegmentationLesion SegmentationFederated Learning

Registration-Grounded Spectral Fusion for Unregistered WLI/NBI Endoscopic Lesion Segmentation

2026-07-29 · Pengyu Jie, Wanquan Liu, Rui He, Pengcheng Li 외 arxiv

White-light imaging (WLI) and narrow-band imaging (NBI) provide complementary views of endoscopic lesions, but their paired observations are often spatially misaligned due to viewpoint changes, tissue deformation, and se…

Lesion Segmentation

FSB-Net: Frequency-Spatial Boundary Network for Brain Stroke Lesion Segmentation in Non-Contrast CT

2026-07-23 · Linke Fan, Xianglong Li, Huixin Huang, Kai Shu arxiv

Accurate segmentation of brain stroke lesions in non-contrast computed tomography (NCCT) scans is critical for rapid clinical decision-making, yet remains difficult due to the low contrast between lesion and normal brain…

Lesion SegmentationBoundary Detection

StrokeSeg2: Stroke Lesion Segmentation in Clinical Research Workflows

2026-07-22 · Youwan Mahé, Axel Plessis, Stéphanie Leplaideur, Elise Bannier 외 arxiv

Deep learning frameworks like nnU-Net achieve state-of-theart brain lesion segmentation performance but remain difficult to deploy in clinical research environments due to, among other reasons, software dependencies and …

Knowledge DistillationLesion Segmentation

ViPSAM: Visual Prompting Medical Image Segmentation Using Segment Anything Model

2026-07-15 · San Lee, Nalee Kim, Jeong Il Yu, Hee Chul Park 외 arxiv

In proton therapy planning, respiratory-gated non-contrast CT (NCCT) is commonly used for lesion segmentation; however, accurate delineation remains challenging due to low lesion-to-background contrast. Although learning…

Medical Image SegmentationLesion Segmentation

Lesion Segmentation in Moderate to Severe Traumatic Brain Injury: An nnU-Net Based Approach with Adaptive Normalization in the AIMS-TBI 2025 Challenge

2026-07-14 · Inhwa Son, Gaeun Lee, Sohyeon Sim, Kwang-Hyun Uhm arxiv

The segmentation of lesions in Moderate to Severe Traumatic Brain Injury (msTBI) from T1-weighted MRI presents a significant clinical challenge due to the profound heterogeneity of lesion characteristics in terms of size…

Lesion Segmentation

Decouple and Reason: Anatomically Guided Two-Stage Voxel-Level Grounding of Free-Text Findings in 3D Chest CT

2026-07-14 · Kwang-Hyun Uhm, Inhwa Son, Sung-Jea Ko arxiv

Automatic voxel-level grounding of free-text findings in 3D chest Computed Tomography (CT) is critical for clinical interpretability. However, this task remains highly challenging due to the intricate spatial complexity …

Lesion SegmentationVisual Grounding

Multi-Resolution Feature Stem for Diabetic Retinopathy lesion segmentation

2026-07-09 · Indranil Dutta, Taehee Jeong arxiv

Diabetic Retinopathy (DR) is a leading cause of preventable blindness worldwide, requiring automated lesion segmentation using deep learning models for early detection and monitoring. However, DR lesions vary dramaticall…

Lesion Segmentation

OBBSeg: Irregular Lesion Segmentation under Oriented Bounding Box Annotations

2026-07-07 · Jun Wei, Xinchang Liu, Yu Liu, Chuhua Yang 외 arxiv

Pixel-level annotation remains a major bottleneck in medical image segmentation, making weak supervision an attractive yet under-constrained alternative. We propose OBBSeg, an intermediate supervision paradigm guided by …

Medical Image SegmentationLesion Segmentation

GLOW-FDG: Generalized cancer LesiOn Whole-body segmentation model for $^{18}$F-FDG-PET/CT

2026-07-04 · Maksym Fritsak, Maximilian Rokuss, Hubert S. Gabryś, Yannick Kirchhoff 외 arxiv

Whole-body fluorodeoxyglucose positron emission tomography combined with computed tomography is widely used in cancer care, but manual lesion delineation is slow, subjective, and difficult to scale. We present GLOW-FDG, …

Lesion Segmentation
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