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Semantic segmentation for medical 3D image stacks enables accurate volumetric reconstructions, computer-aided diagnostics and follow up treatment planning. In this work, we present a novel variant of the Unet model called the NUMSnet that…

Image and Video Processing · Electrical Eng. & Systems 2023-04-07 Sohini Roychowdhury

Segmentation of ischemic stroke and intracranial hemorrhage on computed tomography is essential for investigation and treatment of stroke. In this paper, we modified the U-Net CNN architecture for the stroke identification problem using…

Image and Video Processing · Electrical Eng. & Systems 2020-04-01 Manvel Avetisian , Vladimir Kokh , Alex Tuzhilin , Dmitry Umerenkov

The U-shaped architecture has emerged as a crucial paradigm in the design of medical image segmentation networks. However, due to the inherent local limitations of convolution, a fully convolutional segmentation network with U-shaped…

Image and Video Processing · Electrical Eng. & Systems 2023-08-04 Fenghe Tang , Jianrui Ding , Lingtao Wang , Chunping Ning , S. Kevin Zhou

Stroke is a major cause of death and disability worldwide. Accurate outcome and evolution prediction has the potential to revolutionize stroke care by individualizing clinical decision-making leading to better outcomes. However, despite a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Adam Marcus , Paul Bentley , Daniel Rueckert

Cerebral stroke, the second most substantial cause of death universally, has been a primary public health concern over the last few years. With the help of machine learning techniques, early detection of various stroke alerts is accessible,…

Machine Learning · Computer Science 2022-11-16 Yuru Jing

Skeleton-based action recognition has achieved remarkable results in human action recognition with the development of graph convolutional networks (GCNs). However, the recent works tend to construct complex learning mechanisms with…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Dongjingdin Liu , Pengpeng Chen , Miao Yao , Yijing Lu , Zijie Cai , Yuxin Tian

Sketch semantic segmentation is a well-explored and pivotal problem in computer vision involving the assignment of pre-defined part labels to individual strokes. This paper presents ContextSeg - a simple yet highly effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Jiawei Wang , Changjian Li

The rapid development in representation learning techniques such as deep neural networks and the availability of large-scale, well-annotated medical imaging datasets have to a rapid increase in the use of supervised machine learning in the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Dat T. Ngo , Thao T. B. Nguyen , Hieu T. Nguyen , Dung B. Nguyen , Ha Q. Nguyen , Hieu H. Pham

When the blood supply to the brain is obstructed by a clot, oxygen delivery to brain tissues becomes insufficient, leading to cellular necrosis. In healthcare settings, accurately identifying and delineating ischemic lesion boundaries is…

Image and Video Processing · Electrical Eng. & Systems 2026-05-22 Sayed Amir Mousavi Mobarakeh

Assessing the location and extent of lesions caused by chronic stroke is critical for medical diagnosis, surgical planning, and prognosis. In recent years, with the rapid development of 2D and 3D convolutional neural networks (CNN), the…

Image and Video Processing · Electrical Eng. & Systems 2021-02-17 Yongjin Zhou , Weijian Huang , Pei Dong , Yong Xia , Shanshan Wang

Brain stroke has become a significant burden on global health and thus we need remedies and prevention strategies to overcome this challenge. For this, the immediate identification of stroke and risk stratification is the primary task for…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Prantik Deb , Lalith Bharadwaj Baru , Kamalaker Dadi , Bapi Raju S

We present SegNeXt, a simple convolutional network architecture for semantic segmentation. Recent transformer-based models have dominated the field of semantic segmentation due to the efficiency of self-attention in encoding spatial…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Meng-Hao Guo , Cheng-Ze Lu , Qibin Hou , Zhengning Liu , Ming-Ming Cheng , Shi-Min Hu

In an emergency room (ER) setting, stroke triage or screening is a common challenge. A quick CT is usually done instead of MRI due to MRI's slow throughput and high cost. Clinical tests are commonly referred to during the process, but the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-29 Tongan Cai , Haomiao Ni , Mingli Yu , Xiaolei Huang , Kelvin Wong , John Volpi , James Z. Wang , Stephen T. C. Wong

Purpose: Multi-expert deep learning training methods to automatically quantify ischemic brain tissue on Non-Contrast CT Materials and Methods: The data set consisted of 260 Non-Contrast CTs from 233 patients of acute ischemic stroke…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Sophie Ostmeier , Brian Axelrod , Benjamin Pulli , Benjamin F. J. Verhaaren , Abdelkader Mahammedi , Yongkai Liu , Christian Federau , Greg Zaharchuk , Jeremy J. Heit

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

Detecting lesions in Computed Tomography (CT) scans is a challenging task in medical image processing due to the diverse types, sizes, and locations of lesions. Recently, various one-stage and two-stage framework networks have been…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Di Fan , Heng Yu , Zhiyuan Xu

Accurate segmentation of wounds and scale markers in clinical images remainsa significant challenge, crucial for effective wound management and automatedassessment. In this study, we propose a novel dual-attention U-Net++ archi-tecture,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-14 Daniel Cieślak , Miriam Reca , Olena Onyshchenko , Jacek Rumiński

This paper provides a novel 3D medical image segmentation model structure called nnY-Net. This name comes from the fact that our model adds a cross-attention module at the bottom of the U-net structure to form a Y structure. We integrate…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Haixu Liu , Zerui Tao , Wenzhen Dong , Qiuzhuang Sun

Lack of adequate training samples and noisy high-dimensional features are key challenges faced by Motor Imagery (MI) decoding algorithms for electroencephalogram (EEG) based Brain-Computer Interface (BCI). To address these challenges,…

Other Computer Science · Computer Science 2024-10-28 Ravikiran Mane , Effie Chew , Karen Chua , Kai Keng Ang , Neethu Robinson , A. P. Vinod , Seong-Whan Lee , Cuntai Guan

This study examines the efficacy of various neural network (NN) models in interpreting mental constructs via electroencephalogram (EEG) signals. Through the assessment of 16 prevalent NN models and their variants across four brain-computer…

Neurons and Cognition · Quantitative Biology 2023-09-26 Xia Chen , Xiangbin Teng , Han Chen , Yafeng Pan , Philipp Geyer