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Imaging the bio-impedance distribution of a biological sample can provide understandings about the sample's electrical properties which is an important indicator of physiological status. This paper presents a multi-frequency electromagnetic…

Applied Physics · Physics 2020-07-29 Jinxi Xiang , Zhou Chen , Yonggui Dong , Yunjie Yang

Brain stroke is a leading cause of mortality and long-term disability worldwide, underscoring the need for precise and rapid prediction techniques. Computed Tomography (CT) scan is considered one of the most effective methods for diagnosing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Md. Sabbir Hossen , Eshat Ahmed Shuvo , Shibbir Ahmed Arif , Pabon Shaha , Anichur Rahman , Md. Saiduzzaman , Fahmid Al Farid , Hezerul Abdul Karim , Abu Saleh Musa Miah

Multi-frequency Electrical Impedance Tomography (mfEIT) is a promising biomedical imaging technique that estimates tissue conductivities across different frequencies. Current state-of-the-art (SOTA) algorithms, which rely on supervised…

Image and Video Processing · Electrical Eng. & Systems 2024-09-18 Hao Fang , Zhe Liu , Yi Feng , Zhen Qiu , Pierre Bagnaninchi , Yunjie Yang

Multi-frequency Electrical Impedance Tomography (mfEIT) is an emerging biomedical imaging modality to reveal frequency-dependent conductivity distributions in biomedical applications. Conventional model-based image reconstruction methods…

Image and Video Processing · Electrical Eng. & Systems 2021-05-27 Zhou Chen , Jinxi Xiang , Pierre Bagnaninchi , Yunjie Yang

We present StrokeNeXt, a model for stroke classification in 2D Computed Tomography (CT) images. StrokeNeXt employs a dual-branch design with two ConvNeXt encoders, whose features are fused through a lightweight convolutional decoder based…

Image and Video Processing · Electrical Eng. & Systems 2026-02-18 Leo Thomas Ramos , Angel D. Sappa

The patient with ischemic stroke can benefit most from the earliest possible definitive diagnosis. While the high quality medical resources are quite scarce across the globe, an automated diagnostic tool is expected in analyzing the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 Zhiyang Liu , Chen Cao , Shuxue Ding , Tong Han , Hong Wu , Sheng Liu

This paper presents an automatic algorithm for the segmentation of areas affected by an acute stroke on the non-contrast computed tomography brain images. The proposed algorithm is designed for learning in a weakly supervised scenario when…

Image and Video Processing · Electrical Eng. & Systems 2021-12-22 Anna Dobshik , Andrey Tulupov , Vladimir Berikov

Stroke poses an immense public health burden and remains among the primary causes of death and disability worldwide. Emergent therapy is often precluded by late or indeterminate times of onset before initial clinical presentation. Rapid,…

Medical Physics · Physics 2021-04-16 Leeor Alon , Seena Dehkharghani

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…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 A. V. Dobshik , S. K. Verbitskiy , I. A. Pestunov , K. M. Sherman , Yu. N. Sinyavskiy , A. A. Tulupov , V. B. Berikov

A brain stroke occurs when blood flow to a part of the brain is disrupted, leading to cell death. Traditional stroke diagnosis methods, such as CT scans and MRIs, are costly and time-consuming. This study proposes a weighted voting ensemble…

Machine Learning · Computer Science 2025-04-22 Yao Zhiwan , Reza Zarrab , Jean Dubois

Sudden Unexpected Death in Epilepsy (SUDEP) and acute ischemic stroke are life-threatening conditions involving complex interactions across cortical, brainstem, and autonomic systems. We present a unified geometric-stochastic multimodal…

Machine Learning · Computer Science 2025-12-10 Preksha Girish , Rachana Mysore , Mahanthesha U , Shrey Kumar , Misbah Fatimah Annigeri , Tanish Jain

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…

Image and Video Processing · Electrical Eng. & Systems 2021-04-22 Luca Tomasetti , Kjersti Engan , Mahdieh Khanmohammadi , Kathinka Dæhli Kurz

Reconstructing natural images from functional magnetic resonance imaging (fMRI) data remains a core challenge in natural decoding due to the mismatch between the richness of visual stimuli and the noisy, low resolution nature of fMRI…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Junliang Ye , Lei Wang , Md Zakir Hossain

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.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 R. P. Chowdhury , T. Rahman

Stroke lesion volume is a key radiologic measurement for assessing the prognosis of Acute Ischemic Stroke (AIS) patients, which is challenging to be automatically measured on Non-Contrast CT (NCCT) scans. Recent diffusion probabilistic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Jianhai Zhang , Tonghua Wan , Ethan MacDonald , Bijoy Menon , Aravind Ganesh , Qiu Wu

Motor imagery electroencephalography (MI-EEG) decoding offers a non-invasive route for post-stroke rehabilitation, but cross-patient use remains difficult because pathological neural reorganization changes task-related EEG dynamics,…

Machine Learning · Computer Science 2026-05-12 Xiangkai Wang , Yun Zhao , Dongyi He , Qingling Xia , Gen Li , Xinlai Xing , Yuchi Pan , Bin Jiang

Cardiac real-time magnetic resonance imaging (MRI) is an emerging technology that images the heart at up to 50 frames per second, offering insight into the respiratory effects on the heartbeat. However, this method significantly increases…

A stroke is defined as a neurologic deficit arising from an interruption in blood supply to the brain. According to the World Health Organization, over 15 million people suffer from strokes annually, of which almost 70% die or are…

Quantitative Methods · Quantitative Biology 2022-03-29 Rohan Kalahasty , Lakshmi Sritan Motati

Precise ischemic lesion segmentation plays an essential role in improving diagnosis and treatment planning for ischemic stroke, one of the prevalent diseases with the highest mortality rate. While numerous deep neural network approaches…

Image and Video Processing · Electrical Eng. & Systems 2023-12-06 Luca Tomasetti , Stine Hansen , Mahdieh Khanmohammadi , Kjersti Engan , Liv Jorunn Høllesli , Kathinka Dæhli Kurz , Michael Kampffmeyer

The hyperdense middle cerebral artery (MCA) dot sign has been reported as an important factor in the diagnosis of acute ischemic stroke due to large vessel occlusion. Interpreting the initial CT brain scan in these patients requires high…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Jia You , Philip L. H. Yu , Anderson C. O. Tsang , Eva L. H. Tsui , Pauline P. S. Woo , Gilberto K. K. Leung
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