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Ultrafast ultrasound (US) revolutionized biomedical imaging with its capability of acquiring full-view frames at over 1 kHz, unlocking breakthrough modalities such as shear-wave elastography and functional US neuroimaging. Yet, it suffers…

Image and Video Processing · Electrical Eng. & Systems 2022-04-04 Dimitris Perdios , Manuel Vonlanthen , Florian Martinez , Marcel Arditi , Jean-Philippe Thiran

Shortening acquisition time and reducing motion artifacts are the most critical challenges in magnetic resonance imaging (MRI). Deep learning-based image restoration has emerged as a promising solution capable of generating high-resolution…

Image and Video Processing · Electrical Eng. & Systems 2026-03-27 Hao Li , Jianan Liu , Marianne Schell , Tao Huang , Arne Lauer , Katharina Schregel , Jessica Jesser , Dominik F Vollherbst , Martin Bendszus , Sabine Heiland , Tim Hilgenfeld

In portable, three dimensional, and ultra-fast ultrasound imaging systems, there is an increasing demand for the reconstruction of high quality images from a limited number of radio-frequency (RF) measurements due to receiver (Rx) or…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Yeo Hun Yoon , Shujaat Khan , Jaeyoung Huh , Jong Chul Ye

Automated cardiac interpretation in resource-constrained settings (RCS) is often hindered by poor-quality echocardiographic imaging, limiting the effectiveness of downstream diagnostic models. While super-resolution (SR) techniques have…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Krishan Agyakari Raja Babu , Om Prabhu , Annu , Mohanasankar Sivaprakasam

Purpose: To develop and assess a deep learning (DL) pipeline to learn dynamic MR image reconstruction from publicly available natural videos (Inter4K). Materials and Methods: Learning was performed for a range of DL architectures (VarNet,…

Cardiovascular magnetic resonance imaging is emerging as a crucial tool to examine cardiac morphology and function. Essential to this endeavour are anatomical 3D surface and volumetric meshes derived from CMR images, which facilitate…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Nicolás Gaggion , Benjamin A. Matheson , Yan Xia , Rodrigo Bonazzola , Nishant Ravikumar , Zeike A. Taylor , Diego H. Milone , Alejandro F. Frangi , Enzo Ferrante

4D Flow Magnetic Resonance Imaging (4D Flow MRI) is a non-invasive technique for volumetric, time-resolved blood flow quantification. However, apparent trade-offs between acquisition time, image noise, and resolution limit clinical…

Self-supervised learning shows great potential in monoculardepth estimation, using image sequences as the only source ofsupervision. Although people try to use the high-resolutionimage for depth estimation, the accuracy of prediction hasnot…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Xiaoyang Lyu , Liang Liu , Mengmeng Wang , Xin Kong , Lina Liu , Yong Liu , Xinxin Chen , Yi Yuan

In recent years, machine learning (ML) based reconstruction has been widely investigated and employed in cardiac magnetic resonance (CMR) imaging. ML-based reconstructions can deliver clinically acceptable image quality under substantially…

Image and Video Processing · Electrical Eng. & Systems 2024-11-18 Chi Zhang , Michael Loecher , Cagan Alkan , Mahmut Yurt , Shreyas S. Vasanawala , Daniel B. Ennis

Recently, deep neural networks have achieved impressive performance in terms of both reconstruction accuracy and efficiency for single image super-resolution (SISR). However, the network model of these methods is a fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-05-20 Yongliang Tang , Jiashui Huang , Faen Zhang , Weiguo Gong

Depth estimation from a single image is an active research topic in computer vision. The most accurate approaches are based on fully supervised learning models, which rely on a large amount of dense and high-resolution (HR) ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Jialei Xu , Yuanchao Bai , Xianming Liu , Junjun Jiang , Xiangyang Ji

Surveillance scenarios are prone to several problems since they usually involve low-resolution footage, and there is no control of how far the subjects may be from the camera in the first place. This situation is suitable for the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Angelo G. Menezes

Accurate reorientation and segmentation of the left ventricular (LV) is essential for the quantitative analysis of myocardial perfusion imaging (MPI), in which one critical step is to reorient the reconstructed transaxial nuclear cardiac…

Image and Video Processing · Electrical Eng. & Systems 2023-10-17 Yangfan Ni , Duo Zhang , Gege Ma , Lijun Lu , Zhongke Huang , Wentao Zhu

Recently, building on the foundation of neural radiance field, various techniques have emerged to learn unsigned distance fields (UDF) to reconstruct 3D non-watertight models from multi-view images. Yet, a central challenge in UDF-based…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Junkai Deng , Fei Hou , Xuhui Chen , Wencheng Wang , Ying He

Convolutional Neural Networks (CNNs) have been consistently proved state-of-the-art results in image Super-Resolution (SR), representing an exceptional opportunity for the remote sensing field to extract further information and knowledge…

Image and Video Processing · Electrical Eng. & Systems 2020-11-02 Francesco Salvetti , Vittorio Mazzia , Aleem Khaliq , Marcello Chiaberge

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…

Image and Video Processing · Electrical Eng. & Systems 2020-04-22 Valery Vishnevskiy , Jonas Walheim , Sebastian Kozerke

This paper explores the problem of hyperspectral image (HSI) super-resolution that merges a low resolution HSI (LR-HSI) and a high resolution multispectral image (HR-MSI). The cross-modality distribution of the spatial and spectral…

Image and Video Processing · Electrical Eng. & Systems 2021-02-03 Zhiyu Zhu , Junhui Hou , Jie Chen , Huanqiang Zeng , Jiantao Zhou

Deep learning-based super-resolution (SR) techniques have generally achieved excellent performance in the computer vision field. Recently, it has been proven that three-dimensional (3D) SR for medical volumetric data delivers better visual…

Image and Video Processing · Electrical Eng. & Systems 2021-05-19 Yinhao Li , Yutaro Iwamoto , Lanfen Lin , Rui Xu , Yen-Wei Chen

We introduce the task of stereo video reconstruction or, equivalently, 2D-to-3D video conversion for minimally invasive surgical video. We design and implement a series of end-to-end U-Net-based solutions for this task by varying the input…

Image and Video Processing · Electrical Eng. & Systems 2021-09-20 Annika Brundyn , Jesse Swanson , Kyunghyun Cho , Doug Kondziolka , Eric Oermann

Purpose: The goal of this study is to develop a novel deep learning (DL) based reconstruction framework to improve the digital breast tomosynthesis (DBT) imaging performance. Methods: In this work, the DIR-DBTnet is developed for DBT image…

Medical Physics · Physics 2021-06-09 Ting Su , Xiaolei Deng , Zhenwei Wang , Jiecheng Yang , Jianwei Chen , Hairong Zheng , Dong Liang , Yongshuai Ge
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