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Optimising the analysis of cardiac structure and function requires accurate 3D representations of shape and motion. However, techniques such as cardiac magnetic resonance imaging are conventionally limited to acquiring contiguous…

图像与视频处理 · 电气工程与系统科学 2021-07-19 Nicolo Savioli , Antonio de Marvao , Wenjia Bai , Shuo Wang , Stuart A. Cook , Calvin W. L. Chin , Daniel Rueckert , Declan P. O'Regan

This paper presents a generative adversarial network based super-resolution (SR) approach (which is called as S2GAN) to enhance the spatial resolution of Sentinel-2 spectral bands. The proposed approach consists of two main steps. The first…

图像与视频处理 · 电气工程与系统科学 2020-11-24 Kexin Zhang , Gencer Sumbul , Begüm Demir

Recently, it has been demonstrated that deep neural networks can significantly improve the performance of single image super-resolution (SISR). Numerous studies have concentrated on raising the quantitative quality of super-resolved (SR)…

计算机视觉与模式识别 · 计算机科学 2020-09-14 Zheng Hui , Jie Li , Xinbo Gao , Xiumei Wang

Single image super-resolution (SISR) has played an important role in the field of image processing. Recent generative adversarial networks (GANs) can achieve excellent results on low-resolution images. However, there are little literatures…

图像与视频处理 · 电气工程与系统科学 2026-01-14 Ziang Wu , Xuanyu Zhang , Yinbo Yu , Qi Zhu , Jerry Chun-Wei Lin , Chunwei Tian

Currently generative adversarial networks (GANs) are rarely applied to medical images of large sizes, especially 3D volumes, due to their large computational demand. We propose a novel multi-scale patch-based GAN approach to generate large…

图像与视频处理 · 电气工程与系统科学 2019-07-09 Hristina Uzunova , Jan Ehrhardt , Fabian Jacob , Alex Frydrychowicz , Heinz Handels

In the recent years, there has been a significant improvement in the quality of samples produced by (deep) generative models such as variational auto-encoders and generative adversarial networks. However, the representation capabilities of…

图像与视频处理 · 电气工程与系统科学 2026-03-31 Shady Abu Hussein , Tom Tirer , Raja Giryes

In the last few years, several deep learning models, especially Generative Adversarial Networks have received a lot of attention for the task of Single Image Super-Resolution (SISR). These methods focus on building an end-to-end framework,…

图像与视频处理 · 电气工程与系统科学 2020-10-12 Vibhu Bhatia , Yatender Kumar

The traditional super-resolution methods that aim to minimize the mean square error usually produce the images with over-smoothed and blurry edges, due to the lose of high-frequency details. In this paper, we propose two novel techniques in…

图像与视频处理 · 电气工程与系统科学 2020-12-25 Yitong Yan , Chuangchuang Liu , Changyou Chen , Xianfang Sun , Longcun Jin , Xiang Zhou

Single Image Super Resolution (SISR) is a well-researched problem with broad commercial relevance. However, most of the SISR literature focuses on small-size images under 500px, whereas business needs can mandate the generation of very high…

计算机视觉与模式识别 · 计算机科学 2019-01-15 Harsh Nilesh Pathak , Xinxin Li , Shervin Minaee , Brooke Cowan

Generative Adversarial Networks have been employed successfully to generate high-resolution augmented images of size 1024^2. Although the augmented images generated are unprecedented, the training time of the model is exceptionally high.…

图像与视频处理 · 电气工程与系统科学 2022-02-28 Atharva Karwande , Pranesh Kulkarni , Tejas Kolhe , Akshay Joshi , Soham Kamble

Single image super resolution (SISR) is to reconstruct a high resolution image from a single low resolution image. The SISR task has been a very attractive research topic over the last two decades. In recent years, convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Bingzhe Wu , Haodong Duan , Zhichao Liu , Guangyu Sun

We consider the single image super-resolution problem in a more general case that the low-/high-resolution pairs and the down-sampling process are unavailable. Different from traditional super-resolution formulation, the low-resolution…

计算机视觉与模式识别 · 计算机科学 2018-09-05 Yuan Yuan , Siyuan Liu , Jiawei Zhang , Yongbing Zhang , Chao Dong , Liang Lin

Deep neural networks for image quality enhancement typically need large quantities of highly-curated training data comprising pairs of low-quality images and their corresponding high-quality images. While high-quality image acquisition is…

图像与视频处理 · 电气工程与系统科学 2021-06-30 Uddeshya Upadhyay , Suyash Awate

Video super-resolution (VSR) has become one of the most critical problems in video processing. In the deep learning literature, recent works have shown the benefits of using adversarial-based and perceptual losses to improve the performance…

计算机视觉与模式识别 · 计算机科学 2019-06-26 Alice Lucas , Santiago Lopez Tapia , Rafael Molina , Aggelos K. Katsaggelos

Porous media are ubiquitous in both nature and engineering applications, thus their modelling and understanding is of vital importance. In contrast to direct acquisition of three-dimensional (3D) images of such medium, obtaining its…

图像与视频处理 · 电气工程与系统科学 2019-09-25 Junxi Feng , Xiaohai He , Qizhi Teng , Chao Ren , Honggang Chen , Yang Li

Purpose: 4D MRI with high spatiotemporal resolution is desired for image-guided liver radiotherapy. Acquiring densely sampling k-space data is time-consuming. Accelerated acquisition with sparse samples is desirable but often causes…

图像与视频处理 · 电气工程与系统科学 2024-05-22 Di Xu , Xin Miao , Hengjie Liu , Jessica E. Scholey , Wensha Yang , Mary Feng , Michael Ohliger , Hui Lin , Yi Lao , Yang Yang , Ke Sheng

Realistic hyperspectral image (HSI) super-resolution (SR) techniques aim to generate a high-resolution (HR) HSI with higher spectral and spatial fidelity from its low-resolution (LR) counterpart. The generative adversarial network (GAN) has…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Yue Shi , Liangxiu Han , Lianghao Han , Sheng Chang , Tongle Hu , Darren Dancey

Compared to traditional methods, Deep Learning (DL) becomes a key technology for computer vision tasks. Synthetic data generation is an interesting use case for DL, especially in the field of medical imaging such as Magnetic Resonance…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Md Sumon Ali , Muzammil Behzad

In this research, we introduce an innovative method for synthesizing medical images using generative adversarial networks (GANs). Our proposed GANs method demonstrates the capability to produce realistic synthetic images even when trained…

图像与视频处理 · 电气工程与系统科学 2024-06-28 Yinqiu Feng , Bo Zhang , Lingxi Xiao , Yutian Yang , Tana Gegen , Zexi Chen

Magnetic resonance imaging (MRI) is widely used for screening, diagnosis, image-guided therapy, and scientific research. A significant advantage of MRI over other imaging modalities such as computed tomography (CT) and nuclear imaging is…

图像与视频处理 · 电气工程与系统科学 2020-02-20 Qing Lyu , Hongming Shan , Ge Wang