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Dynamic magnetic resonance (MR) imaging has generated great research interest, as it can provide both spatial and temporal information for clinical diagnosis. However, slow imaging speed or long scanning time is still one of the challenges…

Computer Vision and Pattern Recognition · Computer Science 2019-01-21 Ziwen Ke , Shanshan Wang , Huitao Cheng , Leslie Ying , Qiegen Liu , Hairong Zheng , Dong Liang

Image super-resolution is one of the important computer vision techniques aiming to reconstruct high-resolution images from corresponding low-resolution ones. Most recently, deep learning-based approaches have been demonstrated for image…

Image and Video Processing · Electrical Eng. & Systems 2020-04-29 Jie Cai , Zibo Meng , Chiu Man Ho

Tagged MRI enables tracking internal tissue motion non-invasively. It encodes motion by modulating anatomy with periodic tags, which deform along with tissue. However, the entanglement between anatomy, tags and motion poses significant…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Zhangxing Bian , Shuwen Wei , Samuel W. Remedios , Junyu Chen , Aaron Carass , Blake E. Dewey , Jerry L. Prince

Purpose: Reliable image quality assessment is crucial for evaluating new motion correction methods for magnetic resonance imaging. In this work, we compare the performance of commonly used reference-based and reference-free image quality…

Medical Physics · Physics 2025-06-18 Elisa Marchetto , Hannah Eichhorn , Daniel Gallichan , Julia A. Schnabel , Melanie Ganz

Magnetic Resonance (MR) imaging is a diagnostic tool used in modern medicine; however, its output can be affected by motion artefacts and may be limited by equipment. This research focuses on MRI image quality enhancement using two…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Muneeba Rashid , Hina Shakir , Humaira Mehwish , Asarim Amir , Reema Qaiser Khan

High fidelity segmentation of both macro and microvascular structure of the retina plays a pivotal role in determining degenerative retinal diseases, yet it is a difficult problem. Due to successive resolution loss in the encoding phase…

Image and Video Processing · Electrical Eng. & Systems 2021-10-20 Sharif Amit Kamran , Khondker Fariha Hossain , Alireza Tavakkoli , Stewart Lee Zuckerbrod , Kenton M. Sanders , Salah A. Baker

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

We present a novel non-rigid reconstruction method using a moving RGB-D camera. Current approaches use only non-rigid part of the scene and completely ignore the rigid background. Non-rigid parts often lack sufficient geometric and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-31 Shafeeq Elanattil , Peyman Moghadam , Sridha Sridharan , Clinton Fookes , Mark Cox

Motion degradation is a central problem in Magnetic Resonance Imaging (MRI). This work addresses the problem of how to obtain higher quality, super-resolved motion-free, reconstructions from highly undersampled MRI data. In this work, we…

Image and Video Processing · Electrical Eng. & Systems 2019-08-19 Veronica Corona , Angelica I. Aviles-Rivero , Noémie Debroux , Carole Le Guyader , Carola-Bibiane Schönlieb

A Generative Adversarial Network (GAN) with generator $G$ trained to model the prior of images has been shown to perform better than sparsity-based regularizers in ill-posed inverse problems. Here, we propose a new method of deploying a…

Machine Learning · Computer Science 2019-10-25 Ankit Raj , Yuqi Li , Yoram Bresler

GAN-generated image detection now becomes the first line of defense against the malicious uses of machine-synthesized image manipulations such as deepfakes. Although some existing detectors work well in detecting clean, known GAN samples,…

Cryptography and Security · Computer Science 2024-01-08 Chi Liu , Tianqing Zhu , Sheng Shen , Wanlei Zhou

Diffusion-weighted MRI is nowadays performed routinely due to its prognostic ability, yet the quality of the scans are often unsatisfactory which can subsequently hamper the clinical utility. To overcome the limitations, here we propose a…

Image and Video Processing · Electrical Eng. & Systems 2021-05-04 Hyungjin Chung , Jaehyun Kim , Jeong Hee Yoon , Jeong Min Lee , Jong Chul Ye

Retouching can significantly elevate the visual appeal of photos, but many casual photographers lack the expertise to operate in a professional manner. One particularly challenging task for old photo retouching remains the removal of dust…

Computer Vision and Pattern Recognition · Computer Science 2020-09-23 Ionuţ Mironică

Computed tomography (CT) uses X-ray measurements taken from sensors around the body to generate tomographic images of the human body. Conventional reconstruction algorithms can be used if the X-ray data are adequately sampled and of high…

Image and Video Processing · Electrical Eng. & Systems 2021-12-28 Ruiwen Xing , Thomas Humphries , Dong Si

Segmentation of magnetic resonance (MR) images is a fundamental step in many medical imaging-based applications. The recent implementation of deep convolutional neural networks (CNNs) in image processing has been shown to have significant…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Fang Liu

Over the past decades, a large number of techniques have emerged in modern imaging systems to capture the exact information of the original scene regardless of shake, motion, lighting conditions and etc., These developments have…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Pushparaja Murugan

Synthesizing MR imaging sequences is highly relevant in clinical practice, as single sequences are often missing or are of poor quality (e.g. due to motion). Naturally, the idea arises that a target modality would benefit from multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Hongwei Li , Johannes C. Paetzold , Anjany Sekuboyina , Florian Kofler , Jianguo Zhang , Jan S. Kirschke , Benedikt Wiestler , Bjoern Menze

Facial semantic guidance (including facial landmarks, facial heatmaps, and facial parsing maps) and facial generative adversarial networks (GAN) prior have been widely used in blind face restoration (BFR) in recent years. Although existing…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Kai Hu , Yu Liu , Renhe Liu , Wei Lu , Gang Yu , Bin Fu

We introduce a novel framework for solving inverse problems using NeRF-style generative models. We are interested in the problem of 3-D scene reconstruction given a single 2-D image and known camera parameters. We show that naively…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Giannis Daras , Wen-Sheng Chu , Abhishek Kumar , Dmitry Lagun , Alexandros G. Dimakis

Medical image translation (e.g. CT to MR) is a challenging task as it requires I) faithful translation of domain-invariant features (e.g. shape information of anatomical structures) and II) realistic synthesis of target-domain features…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Siyu Liu , Jason A. Dowling , Craig Engstrom , Peter B. Greer , Stuart Crozier , Shekhar S. Chandra
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