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Purpose: To evaluate the quality of deep learning reconstruction for prospectively accelerated intraoperative magnetic resonance imaging (iMRI) during resective brain tumor surgery. Materials and Methods: Accelerated iMRI was performed…

Resting state fMRI is an imaging modality which reveals brain activity localization through signal changes, in what is known as Resting State Networks (RSNs). This technique is gaining popularity in neurosurgical pre-planning to visualize…

机器学习 · 计算机科学 2022-09-22 Sejal Ghate , Alberto Santamaria-Pang , Ivan Tarapov , Haris I Sair , Craig K Jones

4D-flow magnetic resonance imaging (MRI) is an emerging imaging technique where spatiotemporal 3D blood velocity can be captured with full volumetric coverage in a single non-invasive examination. This enables qualitative and quantitative…

图像与视频处理 · 电气工程与系统科学 2020-04-16 Edward Ferdian , Avan Suinesiaputra , David Dubowitz , Debbie Zhao , Alan Wang , Brett Cowan , Alistair Young

With the development of deep learning, medical image processing has been widely used to assist clinical research. This paper focuses on the denoising problem of low-dose computed tomography using deep learning. Although low-dose computed…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Zhilin Guan , Wei Zhang

Magnetic Resonance Imaging (MRI) of the brain has benefited from deep learning (DL) to alleviate the burden on radiologists and MR technologists, and improve throughput. The easy accessibility of DL tools have resulted in the rapid increase…

图像与视频处理 · 电气工程与系统科学 2023-01-04 Kunal Aggarwal , Marina Manso Jimeno , Keerthi Sravan Ravi , Gilberto Gonzalez , Sairam Geethanath

In this paper, we propose a method for denoising diffusion-weighted images (DWI) of the brain using a convolutional neural network trained on realistic, synthetic MR data. We compare our results to averaging of repeated scans, a widespread…

图像与视频处理 · 电气工程与系统科学 2022-06-02 Jakub Jurek , Andrzej Materka , Kamil Ludwisiak , Agata Majos , Kamil Gorczewski , Kamil Cepuch , Agata Zawadzka

The incidences of atrial fibrillation (AFib) are increasing at a daunting rate worldwide. For the early detection of the risk of AFib, we have developed an automatic detection system based on deep neural networks. For achieving better…

信号处理 · 电气工程与系统科学 2022-02-11 Prateek Singh , Ambalika Sharma , Shreesha Maiya

Deep learning based methods hold state-of-the-art results in image denoising, but remain difficult to interpret due to their construction from poorly understood building blocks such as batch-normalization, residual learning, and feature…

图像与视频处理 · 电气工程与系统科学 2021-03-09 Nikola Janjušević , Amirhossein Khalilian-Gourtani , Yao Wang

Automatic speech recognition (ASR) systems based on large language models (LLMs) achieve superior performance by leveraging pretrained LLMs as decoders, but their token-by-token generation mechanism leads to inference latency that grows…

声音 · 计算机科学 2026-01-27 Wenjie Tian , Bingshen Mu , Guobin Ma , Xuelong Geng , Zhixian Zhao , Lei Xie

In spectroscopic experiments, data acquisition in multi-dimensional phase space may require long acquisition time, owing to the large phase space volume to be covered. In such case, the limited time available for data acquisition can be a…

Research in many fields has shown that transfer learning (TL) is well-suited to improve the performance of deep learning (DL) models in datasets with small numbers of samples. This empirical success has triggered interest in the application…

神经元与认知 · 定量生物学 2021-11-03 Armin W. Thomas , Ulman Lindenberger , Wojciech Samek , Klaus-Robert Müller

Quantification of myocardial perfusion has the potential to improve detection of regional and global flow reduction. Significant effort has been made to automate the workflow, where one essential step is the arterial input function (AIF)…

Deep learning (DL) has emerged as a tool for improving accelerated MRI reconstruction. A common strategy among DL methods is the physics-based approach, where a regularized iterative algorithm alternating between data consistency and a…

图像与视频处理 · 电气工程与系统科学 2020-07-03 Burhaneddin Yaman , Seyed Amir Hossein Hosseini , Steen Moeller , Jutta Ellermann , Kâmil Uǧurbil , Mehmet Akçakaya

Compared with traditional seismic noise attenuation algorithms that depend on signal models and their corresponding prior assumptions, removing noise with a deep neural network is trained based on a large training set, where the inputs are…

地球物理 · 物理学 2019-07-23 Siwei Yu , Jianwei Ma , Wenlong Wang

Dynamic positron emission tomography (PET) imaging combined with radiotracer kinetic modeling is a powerful technique for visualizing biological processes in the brain, offering valuable insights into brain functions and neurological…

图像与视频处理 · 电气工程与系统科学 2025-11-26 Junyu Chen , Zirui Jiang , Jennifer M. Coughlin , Ian Cheong , Kelly A. Mills , Martin G. Pomper , Yong Du

4D flow MRI is a non-invasive imaging method that can measure blood flow velocities over time. However, the velocity fields detected by this technique have limitations due to low resolution and measurement noise. Coordinate-based neural…

图像与视频处理 · 电气工程与系统科学 2023-02-28 Simone Saitta , Marcello Carioni , Subhadip Mukherjee , Carola-Bibiane Schönlieb , Alberto Redaelli

Portable, low-field Magnetic Resonance Imaging (MRI) scanners are increasingly being deployed in clinical settings. However, key barriers to their widespread use include low signal-to-noise ratio (SNR), generally low image quality, and long…

Computed Tomography (CT) is commonly used to image acute ischemic stroke (AIS) patients, but its interpretation by radiologists is time-consuming and subject to inter-observer variability. Deep learning (DL) techniques can provide automated…

图像与视频处理 · 电气工程与系统科学 2023-10-02 Alessandro Fontanella , Wenwen Li , Grant Mair , Antreas Antoniou , Eleanor Platt , Paul Armitage , Emanuele Trucco , Joanna Wardlaw , Amos Storkey

Dynamic susceptibility contrast magnetic resonance imaging (DSC-MRI) is widely used to evaluate acute ischemic stroke to distinguish salvageable tissue and infarct core. For this purpose, traditional methods employ deconvolution techniques,…

图像与视频处理 · 电气工程与系统科学 2023-12-12 Anbo Cao , Pin-Yu Le , Zhonghui Qie , Haseeb Hassan , Yingwei Guo , Asim Zaman , Jiaxi Lu , Xueqiang Zeng , Huihui Yang , Xiaoqiang Miao , Taiyu Han , Guangtao Huang , Yan Kang , Yu Luo , Jia Guo

During the image acquisition process, noise is usually added to the data mainly due to physical limitations of the acquisition sensor, and also regarding imprecisions during the data transmission and manipulation. In that sense, the…