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Recent studies have highlighted the high correlation between cardiovascular diseases (CVD) and lung cancer, and both are associated with significant morbidity and mortality. Low-Dose CT (LCDT) scans have led to significant improvements in…

计算机视觉与模式识别 · 计算机科学 2019-11-27 Hengtao Guo , Uwe Kruger , Ge Wang , Mannudeep K. Kalra , Pingkun Yan

Inspired by recent advances in deep learning, we propose a framework for reconstructing dynamic sequences of 2D cardiac magnetic resonance (MR) images from undersampled data using a deep cascade of convolutional neural networks (CNNs) to…

计算机视觉与模式识别 · 计算机科学 2017-11-27 Jo Schlemper , Jose Caballero , Joseph V. Hajnal , Anthony Price , Daniel Rueckert

This work develops a fast, memory-efficient, and general algorithm for accelerated/undersampled dynamic MRI by assuming an approximate LR model on the matrix formed by the vectorized images of the sequence. By general, we mean that our…

图像与视频处理 · 电气工程与系统科学 2025-02-28 Silpa Babu , Sajan Goud Lingala , Namrata Vaswani

Cardiovascular diseases (CVDs) remain a leading cause of mortality worldwide, underscoring the importance of accurate and scalable diagnostic systems. Electrocardiogram (ECG) analysis is central to detecting cardiac abnormalities, yet…

机器学习 · 计算机科学 2025-09-12 Md. Sajeebul Islam Sk. , Md Jobayer , Md Mehedi Hasan Shawon , Md. Golam Raibul Alam

The alarmingly high mortality rate and increasing global prevalence of cardiovascular diseases signify the crucial need for early detection schemes. Phonocardiogram (PCG) signals have been historically applied in this domain owing to its…

音频与语音处理 · 电气工程与系统科学 2021-03-09 Samiul Based Shuvo , Shams Nafisa Ali , Soham Irtiza Swapnil , Mabrook S. Al-Rakhami , Abdu Gumaei

Cardiovascular disease remains a significant problem in modern society. Among non-invasive techniques, the electrocardiogram (ECG) is one of the most reliable methods for detecting abnormalities in cardiac activities. However, ECG…

信号处理 · 电气工程与系统科学 2023-03-22 Huy Pham , Konstantin Egorov , Alexey Kazakov , Semen Budennyy

Accelerating the data acquisition of dynamic magnetic resonance imaging (MRI) leads to a challenging ill-posed inverse problem, which has received great interest from both the signal processing and machine learning community over the last…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Chen Qin , Jo Schlemper , Jose Caballero , Anthony Price , Joseph V. Hajnal , Daniel Rueckert

Cardiac magnetic resonance imaging (cMRI) is an integral part of diagnosis in many heart related diseases. Recently, deep neural networks have demonstrated successful automatic segmentation, thus alleviating the burden of time-consuming…

图像与视频处理 · 电气工程与系统科学 2020-11-17 Peter M. Full , Fabian Isensee , Paul F. Jäger , Klaus Maier-Hein

In recent years, 3D convolutional neural networks have become the dominant approach for volumetric medical image segmentation. However, compared to their 2D counterparts, 3D networks introduce substantially more training parameters and…

图像与视频处理 · 电气工程与系统科学 2022-06-01 Yuan Wang , Laura Blackie , Irene Miguel-Aliaga , Wenjia Bai

Electrocardiogram (ECG) signals play critical roles in the clinical screening and diagnosis of many types of cardiovascular diseases. Despite deep neural networks that have been greatly facilitated computer-aided diagnosis (CAD) in many…

机器学习 · 计算机科学 2021-05-31 Jingyi Liu , Zhongyu Li , Xiayue Fan , Jintao Yan , Bolin Li , Xuemeng Hu , Qing Xia , Yue Wu

Accurate segmentation of the heart is essential for personalized blood flow simulations and surgical intervention planning. Segmentations need to be accurate in every spatial dimension, which is not ensured by segmenting data slice by…

图像与视频处理 · 电气工程与系统科学 2024-01-25 Lee Jollans , Mariana Bustamante , Lilian Henriksson , Anders Persson , Tino Ebbers

Typical quantitative MRI (qMRI) methods estimate parameter maps in a two-step pipeline that first reconstructs images from undersampled k-space data and then performs model fitting, which is prone to biases and error propagation. We propose…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Xinrui Jiang , Yohan Jun , Jaejin Cho , Mengze Gao , Xingwang Yong , Berkin Bilgic

Automatic and accurate segmentation of the ventricles and myocardium from multi-sequence cardiac MRI (CMR) is crucial for the diagnosis and treatment management for patients suffering from myocardial infarction (MI). However, due to the…

图像与视频处理 · 电气工程与系统科学 2019-10-29 Jiexiang Wang , Hongyu Huang , Chaoqi Chen , Wenao Ma , Yue Huang , Xinghao Ding

Reconstructing magnetic resonance (MR) images from undersampled data is a challenging problem due to various artifacts introduced by the under-sampling operation. Recent deep learning-based methods for MR image reconstruction usually…

图像与视频处理 · 电气工程与系统科学 2021-06-28 Pengfei Guo , Jeya Maria Jose Valanarasu , Puyang Wang , Jinyuan Zhou , Shanshan Jiang , Vishal M. Patel

Purpose: To propose a novel deep learning-based method called RG-Net (reconstruction and generation network) for highly accelerated MR parametric mapping by undersampling k-space and reducing the acquired contrast number simultaneously.…

图像与视频处理 · 电气工程与系统科学 2021-12-03 Yanjie Zhu , Haoxiang Li , Yuanyuan Liu , Muzi Guo , Guanxun Cheng , Gang Yang , Haifeng Wang , Dong Liang

Geometric verification is considered a de facto solution for the re-ranking task in image retrieval. In this study, we propose a novel image retrieval re-ranking network named Correlation Verification Networks (CVNet). Our proposed network,…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Seongwon Lee , Hongje Seong , Suhyeon Lee , Euntai Kim

Convolutional neural networks (CNNs) for biomedical image analysis are often of very large size, resulting in high memory requirement and high latency of operations. Searching for an acceptable compressed representation of the base CNN for…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Suraj Mishra , Peixian Liang , Adam Czajka , Danny Z. Chen , X. Sharon Hu

This paper applies the recent fast iterative neural network framework, Momentum-Net, using appropriate models to low-dose X-ray computed tomography (LDCT) image reconstruction. At each layer of the proposed Momentum-Net, the model-based…

图像与视频处理 · 电气工程与系统科学 2020-09-10 Siqi Ye , Yong Long , Il Yong Chun

Phase-contrast magnetic resonance imaging (MRI) provides time-resolved quantification of blood flow dynamics that can aid clinical diagnosis. Long in vivo scan times due to repeated three-dimensional (3D) volume sampling over cardiac phases…

图像与视频处理 · 电气工程与系统科学 2020-04-22 Valery Vishnevskiy , Jonas Walheim , Sebastian Kozerke