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The identification and segmentation of moderate-severe traumatic brain injury (TBI) lesions pose a significant challenge in neuroimaging. This difficulty arises from the extreme heterogeneity of these lesions, which vary in size, number,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Ghanshyam Dhamat , Vaanathi Sundaresan

Clustering is a class of unsupervised learning methods that has been extensively applied and studied in computer vision. Little work has been done to adapt it to the end-to-end training of visual features on large scale datasets. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Mathilde Caron , Piotr Bojanowski , Armand Joulin , Matthijs Douze

Glioblastoma is profoundly heterogeneous in regional microstructure and vasculature. Characterizing the spatial heterogeneity of glioblastoma could lead to more precise treatment. With unsupervised learning techniques, glioblastoma…

Machine Learning · Computer Science 2021-08-24 Yifan Li , Chao Li , Yiran Wei , Stephen Price , Carola-Bibiane Schönlieb , Xi Chen

The effective management of brain tumors relies on precise typing, subtyping, and grading. This study advances patient care with findings from rigorous multiple instance learning experimentations across various feature extractors and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Ekansh Chauhan , Amit Sharma , Megha S Uppin , C. V. Jawahar , P. K. Vinod

Unsupervised machine learning, and in particular data clustering, is a powerful approach for the analysis of datasets and identification of characteristic features occurring throughout a dataset. It is gaining popularity across scientific…

Mesoscale and Nanoscale Physics · Physics 2021-03-23 Maria El Abbassi , Jan Overbeck , Oliver Braun , Michel Calame , Herre S. J. van der Zant , Mickael L. Perrin

One of the main challenges in the vision-based grasping is the selection of feasible grasp regions while interacting with novel objects. Recent approaches exploit the power of the convolutional neural network (CNN) to achieve accurate…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Siddhartha Vibhu Pharswan , Mohit Vohra , Ashish Kumar , Laxmidhar Behera

Tissue classification is one of the significant tasks in the field of biomedical image analysis. Magnetic Resonance Imaging (MRI) is of great importance in tissue classification especially in the areas of brain tissue classification which…

Computer Vision and Pattern Recognition · Computer Science 2020-01-28 Shadman Sakib , Md. Abu Bakr Siddique

Molecular data from tumor profiles is high dimensional. Tumor profiles can be characterized by tens of thousands of gene expression features. Due to the size of the gene expression feature set machine learning methods are exposed to noisy…

Machine Learning · Computer Science 2020-07-14 Martin Palazzo , Pierre Beauseroy , Patricio Yankilevich

In this paper, we present a novel unsupervised feature learning architecture, which consists of a multi-clustering integration module and a variant of RBM termed multi-clustering integration RBM (MIRBM). In the multi-clustering integration…

Machine Learning · Computer Science 2020-04-03 Jielei Chu , Hongjun Wang , Jing Liu , Zhiguo Gong , Tianrui Li

Mild Traumatic Brain Injury (mTBI) is a common brain injury and affects a diverse group of people: soldiers, constructors, athletes, drivers, children, elders, and nearly everyone. Thus, having a well-established, fast, cheap, and accurate…

Signal Processing · Electrical Eng. & Systems 2022-08-19 Weiqing Gu , Ryan Chang , Bohan Yang

Traumatic Brain Injury (TBI) is a major contributor to mortality among older adults, with geriatric patients facing disproportionately high risk due to age-related physiological vulnerability and comorbidities. Early and accurate prediction…

Quantitative Methods · Quantitative Biology 2025-05-23 Yong Si , Junyi Fan , Li Sun , Shuheng Chen , Elham Pishgar , Kamiar Alaei , Greg Placencia , Maryam Pishgar

Clustering analysis of sequence data continues to address many applications in engineering design, aided with the rapid growth of machine learning in applied science. This paper presents an unsupervised machine learning algorithm to extract…

Geophysics · Physics 2024-02-15 R. Bailey Bond , Pu Ren , Jerome F. Hajjar , Hao Sun

Despite the impressive advances achieved using deep learning for functional brain activity analysis, the heterogeneity of functional patterns and the scarcity of imaging data still pose challenges in tasks such as identifying neurological…

Image and Video Processing · Electrical Eng. & Systems 2025-05-30 Wenhui Cui , Haleh Akrami , Anand A. Joshi , Richard M. Leahy

Early risk diagnosis and driving anomaly detection from vehicle stream are of great benefits in a range of advanced solutions towards Smart Road and crash prevention, although there are intrinsic challenges, especially lack of ground truth,…

Machine Learning · Computer Science 2024-10-01 Xiupeng Shi , Yiik Diew Wong , Chen Chai , Michael Zhi-Feng Li , Tianyi Chen , Zeng Zeng

Mild traumatic brain injury (mTBI) is a growing public health problem with an estimated incidence of one million people annually in US. Neurocognitive tests are used to both assess the patient condition and to monitor the patient progress.…

Computer Vision and Pattern Recognition · Computer Science 2018-02-16 Shervin Minaee , Siyun Wang , Yao Wang , Sohae Chung , Xiuyuan Wang , Els Fieremans , Steven Flanagan , Joseph Rath , Yvonne W. Lui

The accurate prognosis for traumatic brain injury (TBI) patients is difficult yet essential to inform therapy, patient management, and long-term after-care. Patient characteristics such as age, motor and pupil responsiveness, hypoxia and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Margherita Rosnati , Eyal Soreq , Miguel Monteiro , Lucia Li , Neil S. N. Graham , Karl Zimmerman , Carlotta Rossi , Greta Carrara , Guido Bertolini , David J. Sharp , Ben Glocker

Interpretable machine learning has emerged as central in leveraging artificial intelligence within high-stakes domains such as healthcare, where understanding the rationale behind model predictions is as critical as achieving high…

Machine Learning · Computer Science 2024-04-30 Christel Sirocchi , Martin Urschler , Bastian Pfeifer

Learning automatically the structure of object categories remains an important open problem in computer vision. In this paper, we propose a novel unsupervised approach that can discover and learn landmarks in object categories, thus…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 James Thewlis , Hakan Bilen , Andrea Vedaldi

Quantitative medical image computing (radiomics) has been widely applied to build prediction models from medical images. However, overfitting is a significant issue in conventional radiomics, where a large number of radiomic features are…

Image and Video Processing · Electrical Eng. & Systems 2020-01-07 Jianan Chen , Laurent Milot , Helen M. C. Cheung , Anne L. Martel

Clustering time-series data in healthcare is crucial for clinical phenotyping to understand patients' disease progression patterns and to design treatment guidelines tailored to homogeneous patient subgroups. While rich temporal dynamics…

Machine Learning · Computer Science 2023-02-27 Yuchao Qin , Mihaela van der Schaar , Changhee Lee