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Vascular segmentation represents a crucial clinical task, yet its automation remains challenging. Because of the recent strides in deep learning, vesselness filters, which can significantly aid the learning process, have been overlooked.…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Guillaume Garret , Antoine Vacavant , Carole Frindel

Segmentation is one of the most important tasks in MRI medical image analysis and is often the first and the most critical step in many clinical applications. In brain MRI analysis, head segmentation is commonly used for measuring and…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Haleh Akrami , Wenhui Cui , Anand A Joshi , Richard M. Leahy

MR images of fetuses allow clinicians to detect brain abnormalities in an early stage of development. The cornerstone of volumetric and morphologic analysis in fetal MRI is segmentation of the fetal brain into different tissue classes.…

图像与视频处理 · 电气工程与系统科学 2019-06-12 N. Khalili , N. Lessmann , E. Turk , N. Claessens , R. de Heus , T. Kolk , M. A. Viergever , M. J. N. L. Benders , I. Isgum

Deep Brain Stimulation (DBS) is one of the most successful methods to diminish late-stage Parkinson's Disease (PD) symptoms. It is a delicate surgical procedure which requires detailed pre-surgical patient's study. High-field Magnetic…

图像与视频处理 · 电气工程与系统科学 2024-07-23 Tomás Lima , Igor Varga , Eduard Bakštein , Daniel Novák , Victor Alves

Automatic and consistent meningioma segmentation in T1-weighted MRI volumes and corresponding volumetric assessment is of use for diagnosis, treatment planning, and tumor growth evaluation. In this paper, we optimized the segmentation and…

图像与视频处理 · 电气工程与系统科学 2021-09-24 David Bouget , André Pedersen , Sayied Abdol Mohieb Hosainey , Johanna Vanel , Ole Solheim , Ingerid Reinertsen

Saliency maps have been widely used to interpret deep learning classifiers for Alzheimer's disease (AD). However, since AD is heterogeneous and has multiple subtypes, the pathological mechanism of AD remains not fully understood and may…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Yihan Zhang , Xuanshuo Zhang , Wei Wu , Haohan Wang

Segmentation of medical images is a challenging task owing to their complexity. A standard segmentation problem within Magnetic Resonance Imaging (MRI) is the task of labeling voxels according to their tissue type. Image segmentation…

计算机视觉与模式识别 · 计算机科学 2013-04-02 G. Geethu Lakshmi

Intracranial aneurysms (IAs) are abnormal dilations of cerebral blood vessels that, if ruptured, can lead to life-threatening consequences. However, their small size and soft contrast in radiological scans often make it difficult to perform…

图像与视频处理 · 电气工程与系统科学 2025-08-04 Erin Rainville , Amirhossein Rasoulian , Hassan Rivaz , Yiming Xiao

We present a fully convolutional neural network for segmenting ischemic stroke lesions in CT perfusion images for the ISLES 2018 challenge. Treatment of stroke is time sensitive and current standards for lesion identification require manual…

计算机视觉与模式识别 · 计算机科学 2018-11-06 S. Mazdak Abulnaga , Jonathan Rubin

Performing k-space variable density sampling is a popular way of reducing scanning time in Magnetic Resonance Imaging (MRI). Unfortunately, given a sampling trajectory, it is not clear how to traverse it using gradient waveforms. In this…

最优化与控制 · 数学 2015-02-25 Nicolas Chauffert , Pierre Weiss , Marianne Boucher , Sébastien Mériaux , Philippe CIUCIU

Automatic segmentation of brain abnormalities is challenging, as they vary considerably from one pathology to another. Current methods are supervised and require numerous annotated images for each pathology, a strenuous task. To tackle…

图像与视频处理 · 电气工程与系统科学 2021-01-27 Benjamin Lambert , Maxime Louis , Senan Doyle , Florence Forbes , Michel Dojat , Alan Tucholka

Retinal vessel segmentation based on deep learning requires a lot of manual labeled data. That is time-consuming, laborious and professional. What is worse, the acquisition of abundant fundus images is difficult. These problems are more…

图像与视频处理 · 电气工程与系统科学 2019-08-13 Qiang Huo

Convolutional neural networks have been applied to a wide variety of computer vision tasks. Recent advances in semantic segmentation have enabled their application to medical image segmentation. While most CNNs use two-dimensional kernels,…

计算机视觉与模式识别 · 计算机科学 2017-07-26 Baris Kayalibay , Grady Jensen , Patrick van der Smagt

Semantic segmentation is an established while rapidly evolving field in medical imaging. In this paper we focus on the segmentation of brain Magnetic Resonance Images (MRI) into cerebral structures using convolutional neural networks (CNN).…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Pierre-Antoine Ganaye , Michaël Sdika , Hugues Benoit-Cattin

The appearance and structure of blood vessels in retinal images have an important role in diagnosis of diseases. This paper proposes a method for automatic retinal vessel segmentation. In this work, a novel preprocessing based on local…

计算机视觉与模式识别 · 计算机科学 2013-12-31 Saeid Fazli , Sevin Samadi

Automated segmentation and volumetry of brain magnetic resonance imaging (MRI) scans are essential for the diagnosis of Parkinson's disease (PD) and Parkinson's plus syndromes (P-plus). To enhance the diagnostic performance, we adopt deep…

图像与视频处理 · 电气工程与系统科学 2022-07-26 Joomee Song , Juyoung Hahm , Jisoo Lee , Chae Yeon Lim , Myung Jin Chung , Jinyoung Youn , Jin Whan Cho , Jong Hyeon Ahn , Kyung-Su Kim

Recently, machine learning has been successfully applied to model-based left ventricle (LV) segmentation. The general framework involves two stages, which starts with LV localization and is followed by boundary delineation. Both are driven…

计算机视觉与模式识别 · 计算机科学 2015-07-29 Peng Sun , Haoyin Zhou , Devon Lundine , James K. Min , Guanglei Xiong

Magnetic resonance imaging (MRI) has played a crucial role in fetal neurodevelopmental research. Structural annotations of MR images are an important step for quantitative analysis of the developing human brain, with Deep Learning providing…

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

We present a method to segment MRI scans of the human brain into ischemic stroke lesion and normal tissues. We propose a neural network architecture in the form of a standard encoder-decoder where predictions are guided by a spatial…

图像与视频处理 · 电气工程与系统科学 2021-09-21 Alex Wong , Allison Chen , Yangchao Wu , Safa Cicek , Alexandre Tiard , Byung-Woo Hong , Stefano Soatto