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Image segmentation is a complex mathematical problem, especially for images that contain intensity inhomogeneity and tightly packed objects with missing boundaries in between. For instance, Magnetic Resonance (MR) muscle images often…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Paramjyoti Mohapatra , Richard Lartey , Weihong Guo , Michael Judkovich , Xiaojuan Li

More than 13 million people suffer from ischemic cerebral stroke worldwide each year. Thrombolytic treatment can reduce brain damage but has a narrow treatment window. Computed Tomography Perfusion imaging is a commonly used primary…

图像与视频处理 · 电气工程与系统科学 2021-04-22 Luca Tomasetti , Kjersti Engan , Mahdieh Khanmohammadi , Kathinka Dæhli Kurz

Cortical thickness measurements from magnetic resonance imaging, an important biomarker in many neurodegenerative and neurological disorders, are derived by many tools from an initial voxel-wise tissue segmentation. White matter (WM)…

图像与视频处理 · 电气工程与系统科学 2025-03-27 Vinzenz Uhr , Ivan Diaz , Christian Rummel , Richard McKinley

We have developed an automatic method for segmenting fluorescence lifetime (FLT) imaging microscopy (FLIM) images of cells inspired by a multi-resolution community detection (MCD) based network segmentation method. The image processing…

医学物理 · 物理学 2014-01-06 Dandan Hu , Pinaki Sarder , Peter Ronhovde , Sandra Orthaus , Samuel Achilefu , Zohar Nussinov

Weakly supervised medical image segmentation (MIS) using generative models is crucial for clinical diagnosis. However, the accuracy of the segmentation results is often limited by insufficient supervision and the complex nature of medical…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Zhihao Shuai , Yinan Chen , Shunqiang Mao , Yihan Zho , Xiaohong Zhang

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

In recent years, the denoising diffusion model has achieved remarkable success in image segmentation modeling. With its powerful nonlinear modeling capabilities and superior generalization performance, denoising diffusion models have…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Weiping Ding , Sheng Geng , Haipeng Wang , Jiashuang Huang , Tianyi Zhou

Although numerous improvements have been made in the field of image segmentation using convolutional neural networks, the majority of these improvements rely on training with larger datasets, model architecture modifications, novel loss…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Saied Asgari Taghanaki , Kumar Abhishek , Ghassan Hamarneh

Accurate medical image segmentation is fundamental to precision medicine, yet robust delineation remains challenging under heterogeneous appearances, ambiguous boundaries, and large anatomical variability. Similar intensity and texture…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Zhiquan Chen , Haitao Wang , Guowei Zou , Hejun Wu

We propose a novel approach to image segmentation based on combining implicit spline representations with deep convolutional neural networks. This is done by predicting the control points of a bivariate spline function whose zero-set…

图像与视频处理 · 电气工程与系统科学 2021-03-22 Oliver J. D. Barrowclough , Georg Muntingh , Varatharajan Nainamalai , Ivar Stangeby

Segmentation is a fundamental task in medical image analysis. The clinical interest is often to measure the volume of a structure. To evaluate and compare segmentation methods, the similarity between a segmentation and a predefined ground…

图像与视频处理 · 电气工程与系统科学 2020-10-09 Jeroen Bertels , David Robben , Dirk Vandermeulen , Paul Suetens

The fully automated and relatively accurate method of brain tissues segmentation on T2-weighted magnetic resonance perfusion images is proposed. Segmentation with this method provides a possibility to obtain perfusion region of interest on…

图像与视频处理 · 电气工程与系统科学 2024-05-15 S. M. Alkhimova , A. P. Krenevych

Focal cortical dysplasia (FCD) lesions in epilepsy FLAIR MRI are subtle and scarce, making joint image--mask generative modeling prone to instability and memorization. We propose SLIM-Diff, a compact joint diffusion model whose main…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Mario Pascual-González , Ariadna Jiménez-Partinen , R. M. Luque-Baena , Fátima Nagib-Raya , Ezequiel López-Rubio

Spreading depression (SD) is a wave phenomenon in gray matter tissue. Locally, it is characterized by massive re-distribution of ions across cell membranes. As a consequence, there is a sustained membrane depolarization and tissue…

神经元与认知 · 定量生物学 2014-11-18 Bas-Jan Zandt , Bennie ten Haken , Michel J. A. M. van Putten , Markus A. Dahlem

In this paper, an automatic algorithm aimed at volumetric segmentation of acute ischemic stroke lesion in non-contrast computed tomography brain 3D images is proposed. Our deep-learning approach is based on the popular 3D U-Net…

图像与视频处理 · 电气工程与系统科学 2023-10-31 A. V. Dobshik , S. K. Verbitskiy , I. A. Pestunov , K. M. Sherman , Yu. N. Sinyavskiy , A. A. Tulupov , V. B. Berikov

Medical image segmentation has become an essential technique in clinical and research-oriented applications. Because manual segmentation methods are tedious, and fully automatic segmentation lacks the flexibility of human intervention or…

图像与视频处理 · 电气工程与系统科学 2019-04-24 Kevin Karsch , Qing He , Ye Duan

Background: Changes in choroidal thickness are associated with various ocular diseases and the choroid can be imaged using spectral-domain optical coherence tomography (SDOCT) and enhanced depth imaging OCT (EDIOCT). New Method: Eighty…

Image segmentation is an important task in the domain of computer vision and medical imaging. In natural and medical images, intensity inhomogeneity, i.e. the varying image intensity, occurs often and it poses considerable challenges for…

图像与视频处理 · 电气工程与系统科学 2019-04-04 Raymond Chan , Hongfei Yang , Tieyong Zeng

Advances in image registration and machine learning have recently enabled volumetric analysis of postmortem brain tissue from conventional photographs of coronal slabs, which are routinely collected in brain banks and neuropathology…

Diffusion models have shown impressive performance for generative modelling of images. In this paper, we present a novel semantic segmentation method based on diffusion models. By modifying the training and sampling scheme, we show that…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Julia Wolleb , Robin Sandkühler , Florentin Bieder , Philippe Valmaggia , Philippe C. Cattin
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