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Anomaly detection in medical imaging plays a crucial role in identifying pathological regions across various imaging modalities, such as brain MRI, liver CT, and carotid ultrasound (US). However, training fully supervised segmentation…

图像与视频处理 · 电气工程与系统科学 2025-07-29 Yuan Bi , Lucie Huang , Ricarda Clarenbach , Reza Ghotbi , Angelos Karlas , Nassir Navab , Zhongliang Jiang

Traditional brain lesion segmentation models for multi-modal MRI are typically tailored to specific pathologies, relying on datasets with predefined modalities. Adapting to new MRI modalities or pathologies often requires training separate…

图像与视频处理 · 电气工程与系统科学 2025-07-25 Yousef Sadegheih , Pratibha Kumari , Dorit Merhof

Automatic brain tumor segmentation from Magnetic Resonance Imaging (MRI) data plays an important role in assessing tumor response to therapy and personalized treatment stratification.Manual segmentation is tedious and…

图像与视频处理 · 电气工程与系统科学 2021-11-29 Hadas Ben-Atya , Ori Rajchert , Liran Goshen , Moti Freiman

Medical image segmentation being a substantial component of image processing plays a significant role to analyze gross anatomy, to locate an infirmity and to plan the surgical procedures. Segmentation of brain Magnetic Resonance Imaging…

计算机视觉与模式识别 · 计算机科学 2019-02-13 Mustansar Fiaz , Kamran Ali , Abdul Rehman , M. Junaid Gul , Soon Ki Jung

Fully supervised segmentation methods require a large training cohort of already segmented images, providing information at the pixel level of each image. We present a method to automatically segment and model pathologies in medical images,…

计算机视觉与模式识别 · 计算机科学 2019-08-22 Simon Andermatt , Antal Horváth , Simon Pezold , Philippe Cattin

Accurate and automatic segmentation of brain tumors in multi-parametric magnetic resonance imaging (mpMRI) is essential for quantitative measurements, which play an increasingly important role in clinical diagnosis and prognosis. The…

Automated brain tumor segmentation methods have become well-established and reached performance levels offering clear clinical utility. These methods typically rely on four input magnetic resonance imaging (MRI) modalities: T1-weighted…

Gliomas are the most common malignant brain tumors that are treated with chemoradiotherapy and surgery. Magnetic Resonance Imaging (MRI) is used by radiotherapists to manually segment brain lesions and to observe their development…

图像与视频处理 · 电气工程与系统科学 2020-11-30 Jonas Wacker , Marcelo Ladeira , José Eduardo Vaz Nascimento

Diffusion MRI (dMRI) of the developing brain can provide valuable insights into the white matter development. However, slice thickness in fetal dMRI is typically high (i.e., 3-5 mm) to freeze the in-plane motion, which reduces the…

图像与视频处理 · 电气工程与系统科学 2022-08-30 Hamza Kebiri , Gabriel Girard , Yasser Aleman-Gomez , Thomas Yu , Andras Jakab , Erick Jorge Canales-Rodriguez , Meritxell Bach Cuadra

The segmentation of substantial brain lesions is a significant and challenging task in the field of medical image segmentation. Substantial brain lesions in brain imaging exhibit high heterogeneity, with indistinct boundaries between lesion…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Hongming Wang , Yifeng Wu , Huimin Huang , Hongtao Wu , Jia-Xuan Jiang , Xiaodong Zhang , Hao Zheng , Xian Wu , Yefeng Zheng , Jinping Xu , Jing Cheng

We propose a fine-tuning algorithm for brain tumor segmentation that needs only a few data samples and helps networks not to forget the original tasks. Our approach is based on active learning and meta-learning. One of the difficulties in…

图像与视频处理 · 电气工程与系统科学 2023-05-17 Seungyub Han , Yeongmo Kim , Seokhyeon Ha , Jungwoo Lee , Seunghong Choi

Reliable large-scale cell detection and segmentation is the fundamental first step to understanding biological processes in the brain. The ability to phenotype cells at scale can accelerate preclinical drug evaluation and system-level brain…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Son T. Ly , Bai Lin , Hung Q. Vo , Dragan Maric , Badri Roysam , Hien V. Nguyen

Anomaly detection in medical imaging is a challenging task in contexts where abnormalities are not annotated. This problem can be addressed through unsupervised anomaly detection (UAD) methods, which identify features that do not match with…

图像与视频处理 · 电气工程与系统科学 2023-09-07 Geoffroy Oudoumanessah , Carole Lartizien , Michel Dojat , Florence Forbes

We trained and applied an encoder-decoder model to semantically segment breast biopsy images into biologically meaningful tissue labels. Since conventional encoder-decoder networks cannot be applied directly on large biopsy images and the…

计算机视觉与模式识别 · 计算机科学 2017-10-12 Sachin Mehta , Ezgi Mercan , Jamen Bartlett , Donald Weaver , Joann Elmore , Linda Shapiro

In this paper, we propose a novel learning based method for automated segmentation of brain tumor in multimodal MRI images, which incorporates two sets of machine -learned and hand crafted features. Fully convolutional networks (FCN) forms…

计算机视觉与模式识别 · 计算机科学 2020-08-10 Mohammadreza Soltaninejad , Lei Zhang , Tryphon Lambrou , Guang Yang , Nigel Allinson , Xujiong Ye

Many successful methods developed for medical image analysis that are based on machine learning use supervised learning approaches, which often require large datasets annotated by experts to achieve high accuracy. However, medical data…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Banafshe Felfeliyan , Abhilash Hareendranathan , Gregor Kuntze , David Cornell , Nils D. Forkert , Jacob L. Jaremko , Janet L. Ronsky

Accurate longitudinal analysis of brain MRI is often hindered by evolving lesions, which bias automated neuroimaging pipelines. While deep generative models have shown promise in inpainting these lesions, most existing methods operate…

图像与视频处理 · 电气工程与系统科学 2026-03-09 Zahra Karimaghaloo , Dumitru Fetco , Haz-Edine Assemlal , Hassan Rivaz , Douglas L. Arnold

Whole-brain surface extraction is an essential topic in medical imaging systems as it provides neurosurgeons with a broader view of surgical planning and abnormality detection. To solve the problem confronted in current deep learning skull…

计算机视觉与模式识别 · 计算机科学 2021-04-12 Heng Fang , Xi Yang , Taichi Kin , Takeo Igarashi

Neuropathological analyses benefit from spatially precise volumetric reconstructions that enhance anatomical delineation and improve morphometric accuracy. Our prior work has shown the feasibility of reconstructing 3D brain volumes from 2D…

Longitudinal magnetic resonance imaging data is used to model trajectories of change in brain regions of interest to identify areas susceptible to atrophy in those with neurodegenerative conditions like Alzheimer's disease. Most methods for…

应用统计 · 统计学 2024-07-25 Robert Zielinski , Kun Meng , Ani Eloyan