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Accurately segmenting thin tubular structures, such as vessels, nerves, roads or concrete cracks, is a crucial task in computer vision. Standard deep learning-based segmentation loss functions, such as Dice or Cross-Entropy, focus on…

Accurate vessel segmentation is essential for medical image analysis, yet remains challenging due to complex vascular patterns and imaging ambiguity. Most deep models rely on single-pass prediction, limiting their ability to refine…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Huan Huang , Michele Esposito , Chen Zhao

Segmentation of ultra-high resolution images is increasingly demanded, yet poses significant challenges for algorithm efficiency, in particular considering the (GPU) memory limits. Current approaches either downsample an ultra-high…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Wuyang Chen , Ziyu Jiang , Zhangyang Wang , Kexin Cui , Xiaoning Qian

Accurate segmentation of tubular structures in medical images, such as vessels and airway trees, is crucial for computer-aided diagnosis, radiotherapy, and surgical planning. However, significant challenges exist in algorithm design when…

图像与视频处理 · 电气工程与系统科学 2025-04-11 Yi Huang , Ke Zhang , Wei Liu , Yuanyuan Wang , Vishal M. Patel , Le Lu , Xu Han , Dakai Jin , Ke Yan

Accurate segmentation of tubular, network-like structures, such as vessels, neurons, or roads, is relevant to many fields of research. For such structures, the topology is their most important characteristic; particularly preserving…

Topological correctness plays a critical role in many image segmentation tasks, yet most networks are trained using pixel-wise loss functions, such as Dice, neglecting topological accuracy. Existing topology-aware methods often lack robust…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Laurin Lux , Alexander H. Berger , Alexander Weers , Nico Stucki , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold

Although the preservation of shape continuity and physiological anatomy is a natural assumption in the segmentation of medical images, it is often neglected by deep learning methods that mostly aim for the statistical modeling of input data…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Yousef Yeganeh , Azade Farshad , Goktug Guevercin , Amr Abu-zer , Rui Xiao , Yongjian Tang , Ehsan Adeli , Nassir Navab

Topological correctness is critical for segmentation of tubular structures, which pervade in biomedical images. Existing topological segmentation loss functions are primarily based on the persistent homology of the image. They match the…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Bo Wen , Haochen Zhang , Dirk-Uwe G. Bartsch , William R. Freeman , Truong Q. Nguyen , Cheolhong An

Effective retinal vessel segmentation requires a sophisticated integration of global contextual awareness and local vessel continuity. To address this challenge, we propose the Graph Capsule Convolution Network (GCC-UNet), which merges…

图像与视频处理 · 电气工程与系统科学 2024-09-19 Xinxu Wei , Xi Lin , Haiyun Liu , Shixuan Zhao , Yongjie Li

Medical image segmentation, which aims to automatically extract anatomical or pathological structures, plays a key role in computer-aided diagnosis and disease analysis. Despite the problem has been widely studied, existing methods are…

图像与视频处理 · 电气工程与系统科学 2022-03-01 Han Zhang , Lok Ming Lui

In medical imaging, accurate image segmentation is crucial for quantifying diseases, assessing prognosis, and evaluating treatment outcomes. However, existing methods lack an in-depth integration of global and local features, failing to pay…

图像与视频处理 · 电气工程与系统科学 2024-04-15 Yizhi Pan , Junyi Xin , Tianhua Yang , Teeradaj Racharak , Le-Minh Nguyen , Guanqun Sun

Segmenting curvilinear structures in medical images is essential for analyzing morphological patterns in clinical applications. Integrating topological properties, such as connectivity, improves segmentation accuracy and consistency.…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Zhuangzhi Gao , Feixiang Zhou , He Zhao , Xiuju Chen , Xiaoxin Li , Qinkai Yu , Yitian Zhao , Alena Shantsila , Gregory Y. H. Lip , Eduard Shantsila , Yalin Zheng

Accurate segmentation of topological tubular structures, such as blood vessels and roads, is crucial in various fields, ensuring accuracy and efficiency in downstream tasks. However, many factors complicate the task, including thin local…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Yaolei Qi , Yuting He , Xiaoming Qi , Yuan Zhang , Guanyu Yang

Capturing the global topology of an image is essential for proposing an accurate segmentation of its domain. However, most of existing segmentation methods do not preserve the initial topology of the given input, which is detrimental for…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Minh On Vu Ngoc , Yizi Chen , Nicolas Boutry , Jonathan Fabrizio , Clement Mallet

Improving connectivity and completeness are the most challenging aspects of liver vessel segmentation, especially for small vessels. These challenges require both learning the continuous vessel geometry, and focusing on small vessel…

图像与视频处理 · 电气工程与系统科学 2025-10-28 Xiaotong Zhang , Alexander Broersen , Gonnie CM van Erp , Silvia L. Pintea , Jouke Dijkstra

Besides per-pixel accuracy, topological correctness is also crucial for the segmentation of images with fine-scale structures, e.g., satellite images and biomedical images. In this paper, by leveraging the theory of digital topology, we…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Xiaoling Hu

Medical image segmentation grapples with challenges including multi-scale lesion variability, ill-defined tissue boundaries, and computationally intensive processing demands. This paper proposes the DyGLNet, which achieves efficient and…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Yican Zhao , Ce Wang , You Hao , Lei Li , Tianli Liao

Accurately restoring topology is both challenging and crucial in tubular structure extraction tasks, such as blood vessel segmentation and road network extraction. Diverging from traditional approaches based on pixel-level classification,…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Zhao Zhang , Ziwei Zhao , Dong Wang , Liwei Wang

Medical image segmentation is a fundamental task in computer-aided diagnosis, requiring models that balance segmentation accuracy and computational efficiency. However, existing segmentation models often struggle to effectively capture…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Dalia Alzu'bi , A. Ben Hamza

We present a method for segmenting neuron membranes in 2D electron microscopy imagery. This segmentation task has been a bottleneck to reconstruction efforts of the brain's synaptic circuits. One common problem is the misclassification of…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Thanuja D. Ambegoda , Matthew Cook
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