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Single-image super-resolution (SISR) is an important task in image processing, aiming to enhance the resolution of imaging systems. Recently, SISR has made a significant leap and achieved promising results with deep learning. GAN-based…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Penghao Rao , Tieyong Zeng

Deep CNNs have achieved significant successes in image processing and its applications, including single image super-resolution (SR). However, conventional methods still resort to some predetermined integer scaling factors, e.g., x2 or x4.…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Sanghyun Son , Kyoung Mu Lee

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

This chapter provides an overview of deep learning techniques for improving the spatial resolution of MRI, ranging from convolutional neural networks, generative adversarial networks, to more advanced models including transformers,…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Ziyu Li , Zihan Li , Haoxiang Li , Qiuyun Fan , Karla L. Miller , Wenchuan Wu , Akshay S. Chaudhari , Qiyuan Tian

Medical anomaly detection is a critical research area aimed at recognizing abnormal images to aid in diagnosis.Most existing methods adopt synthetic anomalies and image restoration on normal samples to detect anomaly. The unlabeled data…

图像与视频处理 · 电气工程与系统科学 2024-05-22 Zerui Zhang , Zhichao Sun , Zelong Liu , Bo Du , Rui Yu , Zhou Zhao , Yongchao Xu

Missing scans are inevitable in longitudinal studies due to either subject dropouts or failed scans. In this paper, we propose a deep learning framework to predict missing scans from acquired scans, catering to longitudinal infant studies.…

图像与视频处理 · 电气工程与系统科学 2022-08-10 Yunzhi Huang , Sahar Ahmad , Luyi Han , Shuai Wang , Zhengwang Wu , Weili Lin , Gang Li , Li Wang , Pew-Thian Yap

Recent accelerated MRI reconstruction models have used Deep Neural Networks (DNNs) to reconstruct relatively high-quality images from highly undersampled k-space data, enabling much faster MRI scanning. However, these techniques sometimes…

图像与视频处理 · 电气工程与系统科学 2021-04-12 Itzik Malkiel , Sangtae Ahn , Valentina Taviani , Anne Menini , Lior Wolf , Christopher J. Hardy

Magnetic resonance imaging (MRI) is an important medical imaging modality, but its acquisition speed is quite slow due to the physiological limitations. Recently, super-resolution methods have shown excellent performance in accelerating…

图像与视频处理 · 电气工程与系统科学 2021-07-22 Guangyuan Li , Jun Lv , Xiangrong Tong , Chengyan Wang , Guang Yang

Brain age estimation based on magnetic resonance imaging (MRI) is an active research area in early diagnosis of some neurodegenerative diseases (e.g. Alzheimer, Parkinson, Huntington, etc.) for elderly people or brain underdevelopment for…

图像与视频处理 · 电气工程与系统科学 2021-08-04 Ruizhe Li , Matteo Bastiani , Dorothee Auer , Christian Wagner , Xin Chen

Despite recent progress on semantic segmentation, there still exist huge challenges in medical ultra-resolution image segmentation. The methods based on multi-branch structure can make a good balance between computational burdens and…

计算机视觉与模式识别 · 计算机科学 2020-02-20 Tong Wu , Yuan Xie , Yanyun Qu , Bicheng Dai , Shuxin Chen

Real low-resolution (LR) face images contain degradations which are too varied and complex to be captured by known downsampling kernels and signal-independent noises. So, in order to successfully super-resolve real faces, a method needs to…

图像与视频处理 · 电气工程与系统科学 2022-02-09 Saurabh Goswami , Aakanksha , Rajagopalan A. N

High resolution magnetic resonance~(MR) imaging~(MRI) is desirable in many clinical applications, however, there is a trade-off between resolution, speed of acquisition, and noise. It is common for MR images to have worse through-plane…

图像与视频处理 · 电气工程与系统科学 2018-02-27 Can Zhao , Aaron Carass , Blake E. Dewey , Jerry L. Prince

Medical image super-resolution (MedSR) is essential for improving diagnostic precision across diverse imaging modalities such as MRI, CT, X-ray, Ultrasound, and Fundus imaging. Despite rapid advances in deep learning, challenges remain in…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Subhash Gurappa , Trivikram Satharasi , Yashas Hariprasad , Sundararaj Sitharama Iyengar

Translational brain research using Magnetic Resonance Imaging (MRI) is becoming increasingly popular as animal models are an essential part of scientific studies and more ultra-high-field scanners are becoming available. Some disadvantages…

图像与视频处理 · 电气工程与系统科学 2022-01-05 André Ferreira , Ricardo Magalhães , Sébastien Mériaux , Victor Alves

Digital Rock Imaging is constrained by detector hardware, and a trade-off between the image field of view (FOV) and the image resolution must be made. This can be compensated for with super resolution (SR) techniques that take a wide FOV,…

图像与视频处理 · 电气工程与系统科学 2020-02-18 Ying Da Wang , Ryan T. Armstrong , Peyman Mostaghimi

Weakly-supervised learning has become a popular technology in recent years. In this paper, we propose a novel medical image classification algorithm, called Weakly-Supervised Generative Adversarial Networks (WSGAN), which only uses a small…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Jiawei Mao , Xuesong Yin , Yuanqi Chang , Qi Huang

Generative Adversarial Networks (GANs) and their extensions have carved open many exciting ways to tackle well known and challenging medical image analysis problems such as medical image de-noising, reconstruction, segmentation, data…

计算机视觉与模式识别 · 计算机科学 2019-10-10 Salome Kazeminia , Christoph Baur , Arjan Kuijper , Bram van Ginneken , Nassir Navab , Shadi Albarqouni , Anirban Mukhopadhyay

Deep convolutional neural networks have significantly improved the peak signal-to-noise ratio of SuperResolution (SR). However, image viewer applications commonly allow users to zoom the images to arbitrary magnification scales, thus far…

图像与视频处理 · 电气工程与系统科学 2020-10-07 Jialiang Shen , Yucheng Wang , Jian Zhang

Convolutional Neural Networks (CNNs) achieve excellent computer-assisted diagnosis with sufficient annotated training data. However, most medical imaging datasets are small and fragmented. In this context, Generative Adversarial Networks…

图像与视频处理 · 电气工程与系统科学 2019-10-10 Changhee Han , Leonardo Rundo , Ryosuke Araki , Yudai Nagano , Yujiro Furukawa , Giancarlo Mauri , Hideki Nakayama , Hideaki Hayashi

Super-Resolution (SR) is a time-hallowed image processing problem that aims to improve the quality of a Low-Resolution (LR) sample up to the standard of its High-Resolution (HR) counterpart. We aim to address this by introducing…

图像与视频处理 · 电气工程与系统科学 2024-04-10 Arkaprabha Basu , Kushal Bose , Sankha Subhra Mullick , Anish Chakrabarty , Swagatam Das