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Geometric data pruning methods, while practical for leveraging pretrained models, are fundamentally unstable. Their reliance on extrinsic geometry renders them highly sensitive to latent space perturbations, causing performance to degrade…

机器学习 · 计算机科学 2026-05-11 Arjun Roy , Prajna G. Malettira , Manish Nagaraj , Kaushik Roy

Pulmonary emphysema is traditionally subcategorized into three subtypes, which have distinct radiological appearances on computed tomography (CT) and can help with the diagnosis of chronic obstructive pulmonary disease (COPD). Automated…

计算机视觉与模式识别 · 计算机科学 2016-12-07 Jie Yang , Elsa D. Angelini , Benjamin M. Smith , John H. M. Austin , Eric A. Hoffman , David A. Bluemke , R. Graham Barr , Andrew F. Laine

High-resolution full lung CT scans now enable the detailed segmentation of airway trees up to the 6th branching generation. The airway binary masks display very complex tree structures that may encode biological information relevant to…

Modern deep neural networks have shown remarkable performance in medical image classification. However, such networks either emphasize pixel-intensity features instead of fundamental anatomical structures (e.g., those encoded by topological…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Pengfei Gu , Huimin Li , Haoteng Tang , Dongkuan , Xu , Erik Enriquez , DongChul Kim , Bin Fu , Danny Z. Chen

Automated lobar segmentation allows regional evaluation of lung disease and is important for diagnosis and therapy planning. Advanced statistical workflows permitting such evaluation is a needed area within respiratory medicine; their…

图像与视频处理 · 电气工程与系统科学 2021-05-12 Marc Boubnovski Martell , Mitchell Chen , Kristofer Linton-Reid , Joram M. Posma , Susan J Copley , Eric O. Aboagye

We propose TopoFlow (Topography-aware pollutant Flow learning), a physics-guided neural network for efficient, high-resolution air quality prediction. To explicitly embed physical processes into the learning framework, we identify two…

机器学习 · 计算机科学 2026-04-13 Ammar Kheder , Helmi Toropainen , Wenqing Peng , Samuel Antão , Jia Chen , Michael Boy , Zhi-Song Liu

In this work we target a learnable output representation that allows continuous, high resolution outputs of arbitrary shape. Recent works represent 3D surfaces implicitly with a Neural Network, thereby breaking previous barriers in…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Julian Chibane , Aymen Mir , Gerard Pons-Moll

This paper addresses the problem of pathological lung segmentation, a significant challenge in medical image analysis, particularly pronounced in cases of peripheral opacities (severe fibrosis and consolidation) because of the textural…

图像与视频处理 · 电气工程与系统科学 2024-07-10 Rezkellah Noureddine Khiati , Pierre-Yves Brillet , Aurélien Justet , Radu Ispas , Catalin Fetita

Lung cancer has the highest mortality rate of deadly cancers in the world. Early detection is essential to treatment of lung cancer. However, detection and accurate diagnosis of pulmonary nodules depend heavily on the experiences of…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Chenglong Wang , Yun Liu , Fen Wang , Chengxiu Zhang , Yida Wang , Mei Yuan , Guang Yang

The COVID-19 pandemic response highlighted the potential of deep learning methods in facilitating the diagnosis, prognosis and understanding of lung diseases through automated segmentation of pulmonary structures and lesions in chest…

图像与视频处理 · 电气工程与系统科学 2024-03-27 Diedre S. Carmo , Jean A. Ribeiro , Alejandro P. Comellas , Joseph M. Reinhardt , Sarah E. Gerard , Letícia Rittner , Roberto A. Lotufo

Deep implicit functions (DIFs), as a kind of 3D shape representation, are becoming more and more popular in the 3D vision community due to their compactness and strong representation power. However, unlike polygon mesh-based templates, it…

计算机视觉与模式识别 · 计算机科学 2021-05-14 Zerong Zheng , Tao Yu , Qionghai Dai , Yebin Liu

Accurate quantification of the extent of lung pathological patterns (fibrosis, ground-glass opacity, emphysema, consolidation) is prerequisite for diagnosis and follow-up of interstitial lung diseases. However, segmentation is challenging…

图像与视频处理 · 电气工程与系统科学 2025-01-08 Rezkellah Noureddine Khiati , Pierre-Yves Brillet , Radu Ispas , Catalin Fetita

Topological accuracy in medical image segmentation is a highly important property for downstream applications such as network analysis and flow modeling in vessels or cell counting. Recently, significant methodological advancements have…

图像与视频处理 · 电气工程与系统科学 2024-10-10 Alexander H. Berger , Nico Stucki , Laurin Lux , Vincent Buergin , Suprosanna Shit , Anna Banaszak , Daniel Rueckert , Ulrich Bauer , Johannes C. Paetzold

In recent years, besides the medical treatment methods in medical field, Computer Aided Diagnosis (CAD) systems which can facilitate the decision making phase of the physician and can detect the disease at an early stage have started to be…

计算机视觉与模式识别 · 计算机科学 2019-02-12 Emre Eğriboz , Furkan Kaynar , Songül Varlı Albayrak , Benan Müsellim , Tuba Selçuk

Implicit 3D surface reconstruction of an object from its partial and noisy 3D point cloud scan is the classical geometry processing and 3D computer vision problem. In the literature, various 3D shape representations have been developed,…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Atharva Pandey , Vishal Yadav , Rajendra Nagar , Santanu Chaudhury

Modeling medical vessel-like anatomy is challenging due to its intricate topology and sensitivity to dataset shifts. Consequently, task-specific models often suffer from topological inconsistencies, including artificial disconnections and…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Yaoyu Liu , Minghui Zhang , Xin You , Hanxiao Zhang , Yun Gu

We propose a novel Deformed Implicit Field (DIF) representation for modeling 3D shapes of a category and generating dense correspondences among shapes. With DIF, a 3D shape is represented by a template implicit field shared across the…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Yu Deng , Jiaolong Yang , Xin Tong

The development of new treatments often requires clinical trials with translational animal models using (pre)-clinical imaging to characterize inter-species pathological processes. Deep Learning (DL) models are commonly used to automate…

图像与视频处理 · 电气工程与系统科学 2022-03-04 Pedro M. Gordaliza , Juan José Vaquero , Arrate Muñoz-Barrutia

Topology optimization can generate high-performance structures, but designers often need to revise the resulting topology in ways that reflect fabrication preferences, structural intuition, or downstream design constraints. In particular,…

图形学 · 计算机科学 2026-03-31 Hongrui Chen , Dat Quoc Ha , Josephine V. Carstensen , Faez Ahmed

Precise segmentation of retinal arteries and veins carries the diagnosis of systemic cardiovascular conditions. However, standard convolutional architectures often yield topologically disjointed segmentations, characterized by gaps and…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Iftekhar Ahmed , Shakib Absar , Aftar Ahmad Sami , Shadman Sakib , Debojyoti Biswas , Seraj Al Mahmud Mostafa