English
Related papers

Related papers: Prostate Segmentation from 3D MRI Using a Two-Stag…

200 papers

An accurate prostate delineation and volume characterization can support the clinical assessment of prostate cancer. A large amount of automatic prostate segmentation tools consider exclusively the axial MRI direction in spite of the…

Image and Video Processing · Electrical Eng. & Systems 2023-09-18 Tim Nikolass Lindeijer , Tord Martin Ytredal , Trygve Eftestøl , Tobias Nordström , Fredrik Jäderling , Martin Eklund , Alvaro Fernandez-Quilez

Though deep learning has achieved advanced performance recently, it remains a challenging task in the field of medical imaging, as obtaining reliable labeled training data is time-consuming and expensive. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Yixin Wang , Yao Zhang , Jiang Tian , Cheng Zhong , Zhongchao Shi , Yang Zhang , Zhiqiang He

In semi-supervised medical image segmentation, most previous works draw on the common assumption that higher entropy means higher uncertainty. In this paper, we investigate a novel method of estimating uncertainty. We observe that, when…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Yinghuan Shi , Jian Zhang , Tong Ling , Jiwen Lu , Yefeng Zheng , Qian Yu , Lei Qi , Yang Gao

Uncertainty estimation in deep learning has become a leading research field in medical image analysis due to the need for safe utilisation of AI algorithms in clinical practice. Most approaches for uncertainty estimation require sampling…

Image and Video Processing · Electrical Eng. & Systems 2022-04-12 Kaisar Kushibar , Víctor Manuel Campello , Lidia Garrucho Moras , Akis Linardos , Petia Radeva , Karim Lekadir

This paper explores optimal methods for obtaining one-dimensional (1D) powder pattern intensities from two-dimensional (2D) planar detectors with good estimates of their standard deviations. We describe methods to estimate uncertainties…

Materials Science · Physics 2014-09-12 Xiaohao Yang , Pavol Juhas , Simon J. L. Billinge

In this paper, we develop a two-stage data-driven approach to address the adjustable robust optimization problem, where the uncertainty set is adjustable to manage infeasibility caused by significant or poorly quantified uncertainties. In…

Optimization and Control · Mathematics 2025-05-29 Xiaoxing Ren , Alessio Moreschini , Zhongda Chu , Yulong Gao , Thomas Parisini

In this study, we implemented a two-stage deep learning-based approach to segment lesions in PET/CT images for the AutoPET III challenge. The first stage utilized a DynUNet model for coarse segmentation, identifying broad regions of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-23 Reza Safdari , Mohammad Koohi-Moghaddam , Kyongtae Tyler Bae

We hypothesize that probabilistic voxel-level classification of anatomy and malignancy in prostate MRI, although typically posed as near-identical segmentation tasks via U-Nets, require different loss functions for optimal performance due…

Image and Video Processing · Electrical Eng. & Systems 2021-10-26 Anindo Saha , Joeran Bosma , Jasper Linmans , Matin Hosseinzadeh , Henkjan Huisman

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Automatic segmentation of medical images with DL algorithms has proven to be highly successful. With most of these algorithms, inter-observer variation is an acknowledged problem, leading to sub-optimal results. This problem is even more…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Anjali Balagopal , Howard Morgan , Michael Dohopoloski , Ramsey Timmerman , Jie Shan , Daniel F. Heitjan , Wei Liu , Dan Nguyen , Raquibul Hannan , Aurelie Garant , Neil Desai , Steve Jiang

Automation of brain tumors in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results in the task. However, high…

Image and Video Processing · Electrical Eng. & Systems 2020-09-28 Laura Mora Ballestar , Veronica Vilaplana

Fully supervised deep models have shown promising performance for many medical segmentation tasks. Still, the deployment of these tools in clinics is limited by the very timeconsuming collection of manually expert-annotated data. Moreover,…

Image and Video Processing · Electrical Eng. & Systems 2024-11-06 Robin Trombetta , Olivier Rouvière , Carole Lartizien

Despite the superior performance of Deep Learning (DL) on numerous segmentation tasks, the DL-based approaches are notoriously overconfident about their prediction with highly polarized label probability. This is often not desirable for…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Sungmin Hong , Anna K. Bonkhoff , Andrew Hoopes , Martin Bretzner , Markus D. Schirmer , Anne-Katrin Giese , Adrian V. Dalca , Polina Golland , Natalia S. Rost

We evaluated the temporal performance of a deep learning (DL) based artificial intelligence (AI) model for auto segmentation in prostate radiotherapy, seeking to correlate its efficacy with changes in clinical landscapes. Our study involved…

Image and Video Processing · Electrical Eng. & Systems 2023-11-17 Biling Wang , Michael Dohopolski , Ti Bai , Junjie Wu , Raquibul Hannan , Neil Desai , Aurelie Garant , Daniel Yang , Dan Nguyen , Mu-Han Lin , Robert Timmerman , Xinlei Wang , Steve Jiang

Breast cancer is a heterogeneous disease with different molecular subtypes, clinical behavior, treatment responses as well as survival outcomes. The development of a reliable, accurate, available and inexpensive method to predict the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Mohaddeseh Chegini , Ali Mahloojifar

Magnetic Resonance Imaging (MRI) is widely used for screening and staging prostate cancer. However, many prostate cancers have subtle features which are not easily identifiable on MRI, resulting in missed diagnoses and alarming variability…

Current deep learning-based models typically analyze medical images in either 2D or 3D albeit disregarding volumetric information or suffering sub-optimal performance due to the anisotropic resolution of MR data. Furthermore, providing an…

Image and Video Processing · Electrical Eng. & Systems 2024-07-02 Alex Ling Yu Hung , Haoxin Zheng , Kai Zhao , Kaifeng Pang , Demetri Terzopoulos , Kyunghyun Sung

Landslides are a recurring, widespread hazard. Preparation and mitigation efforts can be aided by a high-quality, large-scale dataset that covers global at-risk areas. Such a dataset currently does not exist and is impossible to construct…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Savinay Nagendra , Chaopeng Shen , Daniel Kifer

In this study, we introduce a deep learning approach for segmenting kidney parenchyma and kidney abnormalities to support clinicians in identifying and quantifying renal abnormalities such as cysts, lesions, masses, metastases, and primary…

Image and Video Processing · Electrical Eng. & Systems 2023-09-08 Gabriel Efrain Humpire Mamani , Nikolas Lessmann , Ernst Th. Scholten , Mathias Prokop , Colin Jacobs , Bram van Ginneken

2D single-slice abdominal computed tomography (CT) enables the assessment of body habitus and organ health with low radiation exposure. However, single-slice data necessitates the use of 2D networks for segmentation, but these networks…