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MR images of the fetus allow non-invasive analysis of the fetal brain. Quantitative analysis of fetal brain development requires automatic brain tissue segmentation that is typically preceded by segmentation of the intracranial volume…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 N. Khalili , P. Moeskops , N. H. P. Claessens , S. Scherpenzeel , E. Turk , R. de Heus , M. J. N. L. Benders , M. A. Viergever , J. P. W. Pluim , I. Išgum

Optical coherence tomography (OCT) is a non-invasive imaging technique that can produce images of the eye at the microscopic level. OCT image segmentation to localise retinal layer boundaries is a fundamental procedure for diagnosing and…

Computer Vision and Pattern Recognition · Computer Science 2016-09-09 Jinming Duan , Christopher Tench , Irene Gottlob , Frank Proudlock , Li Bai

Deep neural networks enable highly accurate image segmentation, but require large amounts of manually annotated data for supervised training. Few-shot learning aims to address this shortcoming by learning a new class from a few annotated…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Abhijit Guha Roy , Shayan Siddiqui , Sebastian Pölsterl , Nassir Navab , Christian Wachinger

Lesion segmentation in medical imaging serves as an effective tool for assessing tumor sizes and monitoring changes in growth. However, not only is manual lesion segmentation time-consuming, but it is also expensive and requires expert…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers

Recently 3D volumetric organ segmentation attracts much research interest in medical image analysis due to its significance in computer aided diagnosis. This paper aims to address the pancreas segmentation task in 3D computed tomography…

Image and Video Processing · Electrical Eng. & Systems 2019-12-03 Chaowei Fang , Guanbin Li , Chengwei Pan , Yiming Li , Yizhou Yu

Recently, deep convolutional neural networks have achieved great success for medical image segmentation. However, unlike segmentation of natural images, most medical images such as MRI and CT are volumetric data. In order to make full use…

Image and Video Processing · Electrical Eng. & Systems 2022-02-08 Yichi Zhang , Qingcheng Liao , Le Ding , Jicong Zhang

Accurate segmentation for medical images is important for clinical diagnosis. Existing automatic segmentation methods are mainly based on fully supervised learning and have an extremely high demand for precise annotations, which are very…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Yuanpeng Liu , Qinglei Hui , Zhiyi Peng , Shaolin Gong , Dexing Kong

Consistent segmentation of COVID-19 patient's CT scans across multiple time points is essential to assess disease progression and response to therapy accurately. Existing automatic and interactive segmentation models for medical images only…

Image and Video Processing · Electrical Eng. & Systems 2023-06-02 Michelle Xiao-Lin Foo , Seong Tae Kim , Magdalini Paschali , Leili Goli , Egon Burian , Marcus Makowski , Rickmer Braren , Nassir Navab , Thomas Wendler

Abdominal fat quantification is critical since multiple vital organs are located within this region. Although computed tomography (CT) is a highly sensitive modality to segment body fat, it involves ionizing radiations which makes magnetic…

Image and Video Processing · Electrical Eng. & Systems 2020-05-13 Samira Masoudi , Syed M. Anwar , Stephanie A. Harmon , Peter L. Choyke , Baris Turkbey , Ulas Bagci

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…

Image and Video Processing · Electrical Eng. & Systems 2019-12-19 Jeya Maria Jose V. , Rajeev Yasarla , Puyang Wang , Ilker Hacihaliloglu , Vishal M. Patel

In this paper, we propose a novel deep learning framework for anatomy segmentation and automatic landmark- ing. Specifically, we focus on the challenging problem of mandible segmentation from cone-beam computed tomography (CBCT) scans and…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Neslisah Torosdagli , Denise K. Liberton , Payal Verma , Murat Sincan , Janice S. Lee , Ulas Bagci

Accurate segmentation of 3-D cell nuclei in microscopy images is essential for the study of nuclear organization, gene expression, and cell morphodynamics. Current image segmentation methods are challenged by the complexity and variability…

Image and Video Processing · Electrical Eng. & Systems 2022-03-18 Sundaresh Ram , Jeffrey J. Rodriguez

Quantitative computed tomography (QCT) is a standard method to determine bone mineral density (BMD) in the spine. Traditionally single 8 - 10 mm thick slices have been analyzed only. Current spiral CT scanners provide true 3D acquisition…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Andre Mastmeyer , Klaus Engelke , Christina Fuchs , Willi Kalender

Convolutional neural networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they have not demonstrated sufficiently accurate and robust results for clinical use. In addition, they are…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Guotai Wang , Wenqi Li , Maria A. Zuluaga , Rosalind Pratt , Premal A. Patel , Michael Aertsen , Tom Doel , Anna L. David , Jan Deprest , Sebastien Ourselin , Tom Vercauteren

We present a weakly-supervised approach to segmenting proposed drivable paths in images with the goal of autonomous driving in complex urban environments. Using recorded routes from a data collection vehicle, our proposed method generates…

Robotics · Computer Science 2017-11-20 Dan Barnes , Will Maddern , Ingmar Posner

Automatic lesion segmentation on thoracic CT enables rapid quantitative analysis of lung involvement in COVID-19 infections. However, obtaining a large amount of voxel-level annotations for training segmentation networks is prohibitively…

Image and Video Processing · Electrical Eng. & Systems 2021-11-22 Weiyi Xie , Colin Jacobs , Jean-Paul Charbonnier , Bram van Ginneken

The objective of this paper is to significantly reduce the manual workload required from medical professionals in complex 3D segmentation tasks that cannot be yet fully automated. For instance, in radiotherapy planning, organs at risk must…

Segmentations are crucial in medical imaging to obtain morphological, volumetric, and radiomics biomarkers. Manual segmentation is accurate but not feasible in the radiologist's clinical workflow, while automatic segmentation generally…

Voxel-based segmentation volumes often store a large number of labels and voxels, and the resulting amount of data can make storage, transfer, and interactive visualization difficult. We present a lossless compression technique which…

Graphics · Computer Science 2023-11-17 Max Piochowiak , Carsten Dachsbacher

Lesion segmentation on computed tomography (CT) scans is an important step for precisely monitoring changes in lesion/tumor growth. This task, however, is very challenging since manual segmentation is prohibitively time-consuming,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers