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Magnetic Resonance Imaging (MRI) is essential for noninvasive generation of high-quality images of human tissues. Accurate segmentation of MRI data is critical for medical applications like brain anatomy analysis and disease detection.…

最优化与控制 · 数学 2025-10-17 Laura Antonelli , Valentina De Simone , Marco Viola

Existing image segmentation networks mainly leverage large-scale labeled datasets to attain high accuracy. However, labeling medical images is very expensive since it requires sophisticated expert knowledge. Thus, it is more desirable to…

图像与视频处理 · 电气工程与系统科学 2021-02-04 Yuhang Ding , Xin Yu , Yi Yang

Enhancement of human vision to get an insight to information content is of vital importance. The traditional histogram equalization methods have been suffering from amplified contrast with the addition of artifacts and a surprising…

计算机视觉与模式识别 · 计算机科学 2015-08-25 Muhammad Ali Qadar , Yan Zhaowen , Li Hua

In the field of image analysis, segmentation is one of the most important preprocessing steps. One way to achieve segmentation is by mean of threshold selection, where each pixel that belongs to a determined class islabeled according to the…

计算机视觉与模式识别 · 计算机科学 2014-05-30 Valentín Osuna-Enciso , Erik Cuevas , Humberto Sossa

Deep learning methods have significantly advanced medical image segmentation, yet their success hinges on large volumes of manually annotated data, which require specialized expertise for accurate labeling. Additionally, these methods often…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Wangang Cheng , Guanghua He , Keli Hu , Mingyu Fang , Liang Dong , Zhong Li , Hancan Zhu

Though effective in the segmentation, conventional multilevel thresholding methods are computationally expensive as exhaustive search are used for optimal thresholds to optimize the objective functions. To overcome this problem,…

神经与进化计算 · 计算机科学 2020-06-18 Xiaotao Huang , Liang Shen , Chongyi Fan , Jiahua zhu , Sixian Chen

The magnetic resonance (MR) analysis of brain tumors is widely used for diagnosis and examination of tumor subregions. The overlapping area among the intensity distribution of healthy, enhancing, non-enhancing, and edema regions makes the…

图像与视频处理 · 电气工程与系统科学 2020-06-01 Mohammad Hamghalam , Baiying Lei , Tianfu Wang

We describe a fully-automatic 3D-segmentation technique for brain MR images. Using Markov random fields the segmentation algorithm captures three important MR features, i.e. non-parametric distributions of tissue intensities, neighborhood…

计算机视觉与模式识别 · 计算机科学 2009-03-20 Karsten Held , Elena Rota Kops , Bernd J. Krause , William M. Wells , Ron Kikinis , Hans-Wilhelm Mueller-Gaertner

Brain tissue segmentation has demonstrated great utility in quantifying MRI data through Voxel-Based Morphometry and highlighting subtle structural changes associated with various conditions within the brain. However, manual segmentation is…

图像与视频处理 · 电气工程与系统科学 2023-02-02 Vishwanatha M. Rao , Zihan Wan , Soroush Arabshahi , David J. Ma , Pin-Yu Lee , Ye Tian , Xuzhe Zhang , Andrew F. Laine , Jia Guo

Segmentation and quantification of white matter hyperintensities (WMHs) are of great importance in studying and understanding various neurological and geriatric disorders. Although automatic methods have been proposed for WMH segmentation…

计算机视觉与模式识别 · 计算机科学 2018-03-20 Dakai Jin , Ziyue Xu , Adam P. Harrison , Daniel J. Mollura

Cancer classification based on gene expression increases early diagnosis and recovery, but high-dimensional genes with a small number of samples are a major challenge. This work introduces a new hybrid quantum kernel support vector machine…

机器学习 · 计算机科学 2022-02-25 Essam H. Houssein , Zainab Abohashima , Mohamed Elhoseny , Waleed M. Mohamed

Segmentation of medical images is an essential part in the process of diagnostics. Physicians require an automatic, robust and valid results. Hidden Markov Random Fields (HMRF) provide powerful model. This latter models the segmentation…

图像与视频处理 · 电气工程与系统科学 2020-05-20 EL-Hachemi Guerrout , Ramdane Mahiou , Dominique Michelucci , Boukabene Randa , Ouali Assia

Fast and automatic algorithm to segment Brain (intracranial region) from computed tomography (CT) head images using combination of HU thresholding, identification of intracranial voxels through ray intersection with cranium, special binary…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Bhavya Ajani

Segmentation of brain structures in a large dataset of magnetic resonance images (MRI) necessitates automatic segmentation instead of manual tracing. Automatic segmentation methods provide a much-needed alternative to manual segmentation…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Mohammad-Parsa Hosseini , Esmaeil Davoodi , Evangelia Bouzos , Kost Elisevich , Hamid Soltanian-Zadeh

The Horse Herd Optimization Algorithm (HOA) is a new meta-heuristic algorithm based on the behaviors of horses at different ages. The HOA was introduced recently to solve complex and high-dimensional problems. This paper proposes a binary…

机器学习 · 计算机科学 2023-11-30 Niloufar Mehrabi , Sayed Pedram Haeri Boroujeni , Elnaz Pashaei

Multimodal Magnetic Resonance Imaging (MRI) provides essential complementary information for analyzing brain tumor subregions. While methods using four common MRI modalities for automatic segmentation have shown success, they often face…

图像与视频处理 · 电气工程与系统科学 2024-11-14 Runze Cheng , Zhongao Sun , Ye Zhang , Chun Li

Image segmentation is an important task in many medical applications. Methods based on convolutional neural networks attain state-of-the-art accuracy; however, they typically rely on supervised training with large labeled datasets. Labeling…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Amy Zhao , Guha Balakrishnan , Frédo Durand , John V. Guttag , Adrian V. Dalca

Motor imagery (MI) classification using electroencephalography (EEG) signals is essential for advancing brain-computer interfaces (BCIs). Traditional EEG channel selection methods often face limitations, such as dependency on…

人机交互 · 计算机科学 2026-05-29 Dekka Muni Kumar , Dhruba Jyoti Kalita , Yogesh Kumar Meena

Gliomas are brain tumors composed of different highly heterogeneous histological subregions. Image analysis techniques to identify relevant tumor substructures have high potential for improving patient diagnosis, treatment and prognosis.…

图像与视频处理 · 电气工程与系统科学 2022-07-18 José Gerardo Suárez-García Javier Miguel Hernández-López , Eduardo Moreno-Barbosa , Benito de Celis-Alonso