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**Background:** Accurate 3D CT scan segmentation of gastric tumors is pivotal for diagnosis and treatment. The challenges lie in the irregular shapes, blurred boundaries of tumors, and the inefficiency of existing methods. **Purpose:** We…

图像与视频处理 · 电气工程与系统科学 2023-05-30 Zifan Chen , Jiazheng Li , Jie Zhao , Yiting Liu , Hongfeng Li , Bin Dong , Lei Tang , Li Zhang

In inverse problems, uncertainty quantification (UQ) deals with a probabilistic description of the solution nonuniqueness and data noise sensitivity. Setting seismic imaging into a Bayesian framework allows for a principled way of studying…

地球物理 · 物理学 2020-04-16 Ali Siahkoohi , Gabrio Rizzuti , Felix J. Herrmann

Various convolutional neural network (CNN) based concepts have been introduced for the prostate's automatic segmentation and its coarse subdivision into transition zone (TZ) and peripheral zone (PZ). However, when targeting a fine-grained…

图像与视频处理 · 电气工程与系统科学 2021-04-09 Anneke Meyer , Suhita Ghosh , Daniel Schindele , Martin Schostak , Sebastian Stober , Christian Hansen , Marko Rak

Medical image segmentation using deep learning (DL) has enabled the development of automated analysis pipelines for large-scale population studies. However, state-of-the-art DL methods are prone to hallucinations, which can result in…

图像与视频处理 · 电气工程与系统科学 2026-03-31 Vincenzo Marcianò , Hava Chaptoukaev , Virginia Fernandez , M. Jorge Cardoso , Sébastien Ourselin , Michela Antonelli , Maria A. Zuluaga

Statistical Shape Models (SSMs) excel at identifying population level anatomical variations, which is at the core of various clinical and biomedical applications, including morphology-based diagnostics and surgical planning. However, the…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Asma Khan , Tushar Kataria , Janmesh Ukey , Shireen Y. Elhabian

Uncertainty quantification complements model predictions by characterizing their reliability, which is essential for high-stakes decision making such as medical image segmentation. However, most existing methods reduce uncertainty to a…

计算机视觉与模式识别 · 计算机科学 2026-05-13 An Sui , Yuzhu Li , Gunter Schumann , Fuping Wu , Xiahai Zhuang

Background and objective: Uncertainty quantification is a pivotal field that contributes to realizing reliable and robust systems. It becomes instrumental in fortifying safe decisions by providing complementary information, particularly…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Jamil Fayyad , Shadi Alijani , Homayoun Najjaran

Fully convolutional neural networks have made promising progress in joint liver and liver tumor segmentation. Instead of following the debates over 2D versus 3D networks (for example, pursuing the balance between large-scale 2D pretraining…

图像与视频处理 · 电气工程与系统科学 2022-03-09 Shuxin Wang , Shilei Cao , Zhizhong Chai , Dong Wei , Kai Ma , Liansheng Wang , Yefeng Zheng

Semantic segmentation has been widely investigated in the community, in which the state of the art techniques are based on supervised models. Those models have reported unprecedented performance at the cost of requiring a large set of high…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Rihuan Ke , Angelica Aviles-Rivero , Saurabh Pandey , Saikumar Reddy , Carola-Bibiane Schönlieb

Deep learning is gaining increasing popularity for spatiotemporal forecasting. However, prior works have mostly focused on point estimates without quantifying the uncertainty of the predictions. In high stakes domains, being able to…

人工智能 · 计算机科学 2021-06-15 Dongxia Wu , Liyao Gao , Xinyue Xiong , Matteo Chinazzi , Alessandro Vespignani , Yi-An Ma , Rose Yu

Quantifying uncertainties for machine learning models is a critical step to reduce human verification effort by detecting predictions with low confidence. This paper proposes a method for uncertainty quantification (UQ) of table structure…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Kehinde Ajayi , Leizhen Zhang , Yi He , Jian Wu

Uncertainty quantification (UQ) in machine learning is currently drawing increasing research interest, driven by the rapid deployment of deep neural networks across different fields, such as computer vision, natural language processing, and…

机器学习 · 计算机科学 2022-08-26 Zongren Zou , Xuhui Meng , Apostolos F Psaros , George Em Karniadakis

Development of an accurate, flexible, and numerically efficient uncertainty quantification (UQ) method is one of fundamental challenges in machine learning. Previously, a UQ method called DISCO Nets has been proposed (Bouchacourt et al.,…

机器学习 · 计算机科学 2023-07-06 Takuya Kanazawa , Chetan Gupta

Reliable uncertainty quantification (UQ) in machine learning (ML) regression tasks is becoming the focus of many studies in materials and chemical science. It is now well understood that average calibration is insufficient, and most studies…

机器学习 · 统计学 2024-01-25 Pascal Pernot

Deep learning models for semantic segmentation are prone to poor performance in real-world applications due to the highly challenging nature of the task. Model uncertainty quantification (UQ) is one way to address this issue of lack of…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Rishabh Singh , Jose C. Principe

Semi-supervised learning is increasingly popular in medical image segmentation due to its ability to leverage large amounts of unlabeled data to extract additional information. However, most existing semi-supervised segmentation methods…

计算机视觉与模式识别 · 计算机科学 2024-08-19 Rong Wu , Dehua Li , Cong Zhang

Breast cancer remains the leading cause of cancer-related mortality among women worldwide, necessitating the meticulous examination of mammograms by radiologists to characterize abnormal lesions. This manual process demands high accuracy…

图像与视频处理 · 电气工程与系统科学 2024-11-25 Laia Domingo , Mahdi Chehimi

This work demonstrates the ability to produce readily interpretable statistical metrics for model fit, fixed effects covariance coefficients, and prediction confidence. Importantly, this work compares 4 suitable and commonly applied…

机器学习 · 统计学 2022-11-30 Alex Treacher , Kevin Nguyen , Dylan Owens , Daniel Heitjan , Albert Montillo

Automatic segmentation of anatomical landmarks from ultrasound (US) plays an important role in the management of preterm neonates with a very low birth weight due to the increased risk of developing intraventricular hemorrhage (IVH) or…

图像与视频处理 · 电气工程与系统科学 2019-12-19 Jeya Maria Jose V. , Rajeev Yasarla , Puyang Wang , Ilker Hacihaliloglu , Vishal M. Patel

We address the selection and evaluation of uncertain segmentation methods in medical imaging and present two case studies: prostate segmentation, illustrating that for minimal annotator variation simple deterministic models can suffice, and…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Kilian Zepf , Jes Frellsen , Aasa Feragen