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Deep learning models (DLMs) frequently achieve accurate segmentation and classification of tumors from medical images. However, DLMs lacking feedback on their image segmentation mechanisms, such as Dice coefficients and confidence in their…

Image and Video Processing · Electrical Eng. & Systems 2024-12-31 Elhoucine Elfatimi , Pratik Shah

Deep neural networks have shown promising results for various clinical prediction tasks. However, training deep networks such as those based on Recurrent Neural Networks (RNNs) requires large labeled data, significant hyper-parameter tuning…

Machine Learning · Computer Science 2021-03-05 Priyanka Gupta , Pankaj Malhotra , Jyoti Narwariya , Lovekesh Vig , Gautam Shroff

Modern methods for learning over graph input data have shown the fruitfulness of accounting for relationships among elements in a collection. However, most methods that learn over set input data use only rudimentary approaches to exploit…

Machine Learning · Computer Science 2019-09-24 Yifeng Shi , Junier Oliva , Marc Niethammer

Many developmental processes, such as plasticity and aging, or pathological processes such as neurological diseases are characterized by modulations of specific cellular types and their microstructures. Diffusion-weighted Magnetic Resonance…

Medical Physics · Physics 2019-03-26 Marco Palombo , Noam Shemesh , Itamar Ronen , Julien Valette

Recently Data-Free Knowledge Distillation (DFKD) has garnered attention and can transfer knowledge from a teacher neural network to a student neural network without requiring any access to training data. Although diffusion models are adept…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Xiaohua Qi , Renda Li , Long Peng , Qiang Ling , Jun Yu , Ziyi Chen , Peng Chang , Mei Han , Jing Xiao

Communication scene recognition has been widely applied in practice, but using deep learning to address this problem faces challenges such as insufficient data and imbalanced data distribution. To address this, we designed a weighted loss…

Econometrics · Economics 2026-02-10 Jiasong Han , Yufei Feng , Xiaofeng Zhong

Transfer learning refers to machine learning techniques that focus on acquiring knowledge from related tasks to improve generalization in the tasks of interest. In MRI, transfer learning is important for developing strategies that address…

Image and Video Processing · Electrical Eng. & Systems 2021-04-05 Juan Miguel Valverde , Vandad Imani , Ali Abdollahzadeh , Riccardo De Feo , Mithilesh Prakash , Robert Ciszek , Jussi Tohka

Magnetic Resonance Imaging (MRI) is a powerful medical imaging modality, but unfortunately suffers from long scan times which, aside from increasing operational costs, can lead to image artifacts due to patient motion. Motion during the…

Image and Video Processing · Electrical Eng. & Systems 2023-10-02 Brett Levac , Sidharth Kumar , Ajil Jalal , Jonathan I. Tamir

Diffusion Tensor Cardiac Magnetic Resonance (DT-CMR) is the only in vivo method to non-invasively examine the microstructure of the human heart. Current research in DT-CMR aims to improve the understanding of how the cardiac microstructure…

Image and Video Processing · Electrical Eng. & Systems 2026-05-19 Yinzhe Wu , Jiahao Huang , Fanwen Wang , Pedro Ferreira , Andrew Scott , Sonia Nielles-Vallespin , Guang Yang

Finding efficient means of fingerprinting microstructural information is a critical step towards harnessing data-centric machine learning approaches. A statistical framework is systematically developed for compressed characterisation of a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Michael D. White , Alexander Tarakanov , Christopher P. Race , Philip J. Withers , Kody J. H. Law

Deep learning based image reconstruction methods outperform traditional methods. However, neural networks suffer from a performance drop when applied to images from a different distribution than the training images. For example, a model…

Image and Video Processing · Electrical Eng. & Systems 2022-06-22 Mohammad Zalbagi Darestani , Jiayu Liu , Reinhard Heckel

Optical transmission spectroscopy is one method to understand brain tissue structural properties from brain tissue biopsy samples, yet manual interpretation is resource intensive and prone to inter observer variability. Deep convolutional…

Medical Physics · Physics 2025-05-20 Mohnish Sao , Mousa Alrubayan , Prabhakar Pradhan

Recently deep neural networks (DNNs) have been successfully introduced to the field of lensless imaging through scattering media. By solving an inverse problem in computational imaging, DNNs can overcome several shortcomings in the…

Image and Video Processing · Electrical Eng. & Systems 2020-01-01 Yukuan Yang , Lei Deng , Peng Jiao , Yansong Chua , Jing Pei , Cheng Ma , Guoqi Li

Quantitative susceptibility mapping (QSM) is an MRI phase-based post-processing method that quantifies tissue magnetic susceptibility distributions. However, QSM acquisitions are relatively slow, even with parallel imaging. Incoherent…

Image and Video Processing · Electrical Eng. & Systems 2021-07-20 Yang Gao , Martijn Cloos , Feng Liu , Stuart Crozier , G. Bruce Pike , Hongfu Sun

Deep neural networks have shown promising results for various clinical prediction tasks such as diagnosis, mortality prediction, predicting duration of stay in hospital, etc. However, training deep networks -- such as those based on…

Machine Learning · Computer Science 2018-07-06 Priyanka Gupta , Pankaj Malhotra , Lovekesh Vig , Gautam Shroff

Pre-training a deep neural network on the ImageNet dataset is a common practice for training deep learning models, and generally yields improved performance and faster training times. The technique of pre-training on one task and then…

Machine Learning · Computer Science 2020-01-03 Nishai Kooverjee , Steven James , Terence van Zyl

Brain tumor segmentation based on multi-modal magnetic resonance imaging (MRI) plays a pivotal role in assisting brain cancer diagnosis, treatment, and postoperative evaluations. Despite the achieved inspiring performance by existing…

Image and Video Processing · Electrical Eng. & Systems 2022-11-16 Haoran Li , Cheng Li , Weijian Huang , Xiawu Zheng , Yan Xi , Shanshan Wang

In neuroimaging, MRI tissue properties characterize underlying neurobiology, provide quantitative biomarkers for neurological disease detection and analysis, and can be used to synthesize arbitrary MRI contrasts. Estimating tissue…

Image and Video Processing · Electrical Eng. & Systems 2021-07-07 Divya Varadarajan , Katherine L. Bouman , Andre van der Kouwe , Bruce Fischl , Adrian V. Dalca

The introduction of deep learning and transfer learning techniques in fields such as computer vision allowed a leap forward in the accuracy of image classification tasks. Currently there is only limited use of such techniques in…

Machine Learning · Computer Science 2019-07-03 Axel Uran , Coert van Gemeren , Rosanne van Diepen , Ricardo Chavarriaga , José del R. Millán

A large number of mathematical models have been proposed to describe the measured signal in diffusion-weighted (DW) magnetic resonance imaging (MRI) and infer properties about the white matter microstructure. However, a head-to-head…