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We introduce MRF-DiPh, a novel physics informed denoising diffusion approach for multiparametric tissue mapping from highly accelerated, transient-state quantitative MRI acquisitions like Magnetic Resonance Fingerprinting (MRF). Our method…

图像与视频处理 · 电气工程与系统科学 2025-07-01 Perla Mayo , Carolin M. Pirkl , Alin Achim , Bjoern Menze , Mohammad Golbabaee

Magnetic Resonance Fingerprinting (MRF) is a fast quantitative MR Imaging technique that provides multi-parametric maps with a single acquisition. Neural Networks (NNs) accelerate reconstruction but require significant resources for…

The healthcare industry has a growing need for realistic modeling and efficient simulation of surgical scenes. With effective models of deformable surgical scenes, clinicians are able to conduct surgical planning and surgery training on…

图像与视频处理 · 电气工程与系统科学 2024-04-25 Yuehao Wang , Bingchen Gong , Yonghao Long , Siu Hin Fan , Qi Dou

Objective: To propose and validate an unsupervised MRI reconstruction method that does not require fully sampled k-space data. Materials and Methods: The proposed method, deep image prior with structured sparsity (DISCUS), extends the deep…

图像与视频处理 · 电气工程与系统科学 2025-05-30 Muhammad Ahmad Sultan , Chong Chen , Yingmin Liu , Katarzyna Gil , Karolina Zareba , Rizwan Ahmad

While variational autoencoders have been successful in several tasks, the use of conventional priors are limited in their ability to encode the underlying structure of input data. We introduce an Encoded Prior Sliced Wasserstein AutoEncoder…

机器学习 · 计算机科学 2021-12-14 Sanjukta Krishnagopal , Jacob Bedrossian

In recent years, pre-trained graph neural networks (GNNs) have been developed as general models which can be effectively fine-tuned for various potential downstream tasks in materials science, and have shown significant improvements in…

材料科学 · 物理学 2025-03-04 Shuyi Jia , Shitij Govil , Manav Ramprasad , Victor Fung

There is growing interest in learning Fourier domain sampling strategies (particularly for magnetic resonance imaging, MRI) using optimization approaches. For non-Cartesian sampling patterns, the system models typically involve non-uniform…

图像与视频处理 · 电气工程与系统科学 2023-02-07 Guanhua Wang , Jeffrey A. Fessler

Deep learning has achieved remarkable results in fingerprint embedding, which plays a critical role in modern Automated Fingerprint Identification Systems. However, previous works including CNN-based and Transformer-based approaches fail to…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Yapeng Su , Tong Zhao , Zicheng Zhang

For decades, fingerprint recognition has been prevalent for security, forensics, and other biometric applications. However, the availability of good-quality fingerprints is challenging, making recognition difficult. Fingerprint images might…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Ekta Gavas , Anoop Namboodiri

Manifold learning aims to discover and represent low-dimensional structures underlying high-dimensional data while preserving critical topological and geometric properties. Existing methods often fail to capture local details with global…

机器学习 · 计算机科学 2025-05-08 Ren Wang , Pengcheng Zhou

We introduce a novel bandlimited manifold framework and an algorithm to recover freebreathing and ungated cardiac MR images from highly undersampled measurements. The image frames in the free breathing and ungated dataset are assumed to be…

计算机视觉与模式识别 · 计算机科学 2018-02-27 Sunrita Poddar , Yasir Mohsin , Deidra Ansah , Bijoy Thattaliyath , Ravi Ashwath , Mathews Jacob

Radio frequency fingerprinting (RFF) is a promising device authentication technique for securing the Internet of things. It exploits the intrinsic and unique hardware impairments of the transmitters for RF device identification. In…

信号处理 · 电气工程与系统科学 2023-06-26 Yuan Zeng , Yi Gong , Jiawei Liu , Shangao Lin , Zidong Han , Ruoxiao Cao , Kaibin Huang , Khaled Ben Letaief

This article introduces a new data-driven approach that leverages a manifold embedding generated by the invertible neural network to improve the robustness, efficiency, and accuracy of the constitutive-law-free simulations with limited…

机器学习 · 计算机科学 2022-05-19 Bahador Bahmani , WaiChing Sun

Image domain prior models have been shown to improve the quality of reconstructed images, especially when data are limited. Pre-processing of raw data, through the implicit or explicit inclusion of data domain priors have separately also…

图像与视频处理 · 电气工程与系统科学 2020-09-02 Muhammad Usman Ghani , W. Clem Karl

Boundary incompleteness raises great challenges to automatic prostate segmentation in ultrasound images. Shape prior can provide strong guidance in estimating the missing boundary, but traditional shape models often suffer from hand-crafted…

计算机视觉与模式识别 · 计算机科学 2016-12-07 Xin Yang , Lequan Yu , Lingyun Wu , Yi Wang , Dong Ni , Jing Qin , Pheng-Ann Heng

Quantification of tissue parameters using MRI is emerging as a powerful tool in clinical diagnosis and research studies. The need for multiple long scans with different acquisition parameters prohibits quantitative MRI from reaching…

定量方法 · 定量生物学 2024-08-07 Amir Heydari , Abbas Ahmadi , Tae Hyung Kim , Berkin Bilgic

Radio frequency fingerprint (RFF) identification technology, which exploits relatively stable hardware imperfections, is highly susceptible to constantly changing channel effects. Although various channel-robust RFF feature extraction…

信号处理 · 电气工程与系统科学 2026-02-10 Xuan Yang , Dongming Li , Yi Lou , Xianglin Fan

MR imaging is a valuable diagnostic tool allowing to non-invasively visualize patient anatomy and pathology with high soft-tissue contrast. However, MRI acquisition is typically time-consuming, leading to patient discomfort and increased…

图像与视频处理 · 电气工程与系统科学 2025-12-23 Jan Nikolas Morshuis , Matthias Hein , Christian F. Baumgartner

This paper puts forth a novel bi-linear modeling framework for data recovery via manifold-learning and sparse-approximation arguments and considers its application to dynamic magnetic-resonance imaging (dMRI). Each temporal-domain MR image…

图像与视频处理 · 电气工程与系统科学 2020-02-28 Gaurav N. Shetty , Konstantinos Slavakis , Abhishek Bose , Ukash Nakarmi , Gesualdo Scutari , Leslie Ying

Structural fingerprints and pharmacophore modeling are methodologies that have been used for at least two decades in various fields of cheminformatics: from similarity searching to machine learning (ML). Advances in silico techniques…

定量方法 · 定量生物学 2023-11-01 Dawid Warszycki , Łukasz Struski , Marek Śmieja , Rafał Kafel , Rafał Kurczab