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Unsupervised Anomaly Detection has become a popular method to detect pathologies in medical images as it does not require supervision or labels for training. Most commonly, the anomaly detection model generates a "normal" version of an…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Felix Meissen , Johannes Paetzold , Georgios Kaissis , Daniel Rueckert

Automatic segmentation of anatomical structures with convolutional neural networks (CNNs) constitutes a large portion of research in medical image analysis. The majority of CNN-based methods rely on an abundance of labeled data for proper…

图像与视频处理 · 电气工程与系统科学 2020-03-20 Cheryl Sital , Tom Brosch , Dominique Tio , Alexander Raaijmakers , Jürgen Weese

Computer-aided diagnosis systems for classification of different type of skin lesions have been an active field of research in recent decades. It has been shown that introducing lesions and their attributes masks into lesion classification…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Mostafa Jahanifar , Neda Zamani Tajeddin , Navid Alemi Koohbanani , Ali Gooya , Nasir Rajpoot

The accurate understanding of ischemic stroke lesions is critical for efficient therapy and prognosis of stroke patients. Magnetic resonance imaging (MRI) is sensitive to acute ischemic stroke and is a common diagnostic method for stroke.…

计算机视觉与模式识别 · 计算机科学 2025-11-11 R. P. Chowdhury , T. Rahman

Automatic classification of pigmented, non-pigmented, and depigmented non-melanocytic skin lesions have garnered lots of attention in recent years. However, imaging variations in skin texture, lesion shape, depigmentation contrast, lighting…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Suraj Mishra , Yizhe Zhang , Li Zhang , Tianyu Zhang , X. Sharon Hu , Danny Z. Chen

Convolutional autoencoders have emerged as popular methods for unsupervised defect segmentation on image data. Most commonly, this task is performed by thresholding a pixel-wise reconstruction error based on an $\ell^p$ distance. This…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Paul Bergmann , Sindy Löwe , Michael Fauser , David Sattlegger , Carsten Steger

Federated learning (FL) has been widely employed for medical image analysis to facilitate multi-client collaborative learning without sharing raw data. Despite great success, FL's performance is limited for multiple sclerosis (MS) lesion…

Manual segmentation of rodent brain lesions from magnetic resonance images (MRIs) is an arduous, time-consuming and subjective task that is highly important in pre-clinical research. Several automatic methods have been developed for…

图像与视频处理 · 电气工程与系统科学 2019-08-26 Juan Miguel Valverde , Artem Shatillo , Riccardo de Feo , Olli Gröhn , Alejandra Sierra , Jussi Tohka

Brain tumor segmentation is highly contributive in diagnosing and treatment planning. The manual brain tumor delineation is a time-consuming and tedious task and varies depending on the radiologists skill. Automated brain tumor segmentation…

医学物理 · 物理学 2022-03-08 Farzaneh Dehghani , Alireza Karimian , Hossein Arabi

Reliably modeling normality and differentiating abnormal appearances from normal cases is a very appealing approach for detecting pathologies in medical images. A plethora of such unsupervised anomaly detection approaches has been made in…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Christoph Baur , Benedikt Wiestler , Shadi Albarqouni , Nassir Navab

White matter hyperintensities (WMH) and ischaemic stroke lesions (ISL) are imaging features associated with cerebral small vessel disease (SVD) that are visible on brain magnetic resonance imaging (MRI) scans. The development and validation…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Jesse Phitidis , Alison Q. Smithard , William N. Whiteley , Joanna M. Wardlaw , Miguel O. Bernabeu , Maria Valdés Hernández

Image segmentation is a fundamental problem in medical image analysis. In recent years, deep neural networks achieve impressive performances on many medical image segmentation tasks by supervised learning on large manually annotated data.…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Ling Zhang , Vissagan Gopalakrishnan , Le Lu , Ronald M. Summers , Joel Moss , Jianhua Yao

Early diagnosis and accurate segmentation of brain tumors are imperative for successful treatment. Unfortunately, manual segmentation is time consuming, costly and despite extensive human expertise often inaccurate. Here, we present an…

图像与视频处理 · 电气工程与系统科学 2019-10-07 Markus Frey , Matthias Nau

We propose a novel machine learning strategy for studying neuroanatomical shape variation. Our model works with volumetric binary segmentation images, and requires no pre-processing such as the extraction of surface points or a mesh. The…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Evan M. Yu , Mert R. Sabuncu

Hyperspectral image analysis has become an important topic widely researched by the remote sensing community. Classification and segmentation of such imagery help understand the underlying materials within a scanned scene, since…

计算机视觉与模式识别 · 计算机科学 2020-12-02 Jakub Nalepa , Michal Myller , Yasuteru Imai , Ken-ichi Honda , Tomomi Takeda , Marek Antoniak

Blood vessels of the brain provide the human brain with the required nutrients and oxygen. As a vulnerable part of the cerebral blood supply, pathology of small vessels can cause serious problems such as Cerebral Small Vessel Diseases…

Biomedical image segmentation plays a significant role in computer-aided diagnosis. However, existing CNN based methods rely heavily on massive manual annotations, which are very expensive and require huge human resources. In this work, we…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Ruifei Zhang , Sishuo Liu , Yizhou Yu , Guanbin Li

Automated segmentation of white matter hyperintensities (WMHs) is an essential step in neuroimaging analysis of Magnetic Resonance Imaging (MRI). Fluid Attenuated Inversion Recovery (FLAIR-weighted) is an MRI contrast that is particularly…

图像与视频处理 · 电气工程与系统科学 2023-05-15 Martin Soria Røvang , Per Selnes , Bradley John MacIntosh , Inge Rasmus Groote , Lene Paalhaugen , Sudre Carole , Tormod Fladby , Atle Bjørnerud

The work presented explores the use of denoising autoencoders (DAE) for brain lesion detection, segmentation and false positive reduction. Stacked denoising autoencoders (SDAE) were pre-trained using a large number of unlabeled patient…

计算机视觉与模式识别 · 计算机科学 2017-01-11 Varghese Alex , Kiran Vaidhya , Subramaniam Thirunavukkarasu , Chandrasekharan Kesavdas , Ganapathy Krishnamurthi

Automated segmentation of medical imaging is of broad interest to clinicians and machine learning researchers alike. The goal of segmentation is to increase efficiency and simplicity of visualization and quantification of regions of…

图像与视频处理 · 电气工程与系统科学 2020-06-04 Shruti Jadon , Owen P. Leary , Ian Pan , Tyler J. Harder , David W. Wright , Lisa H. Merck , Derek L. Merck