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Generative adversarial networks (GANs) transform low-dimensional latent vectors into visually plausible images. If the real dataset contains only clean images, then ostensibly, the manifold learned by the GAN should contain only clean…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Subarna Tripathi , Zachary C. Lipton , Truong Q. Nguyen

Compressed Sensing MRI (CS-MRI) has provided theoretical foundations upon which the time-consuming MRI acquisition process can be accelerated. However, it primarily relies on iterative numerical solvers which still hinders their adaptation…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Tran Minh Quan , Thanh Nguyen-Duc , Won-Ki Jeong

Utilizing a low-dose CT approach significantly reduces the radiation exposure for patients, yet it introduces challenges, such as increased noise and artifacts in the resultant images, which can hinder accurate medical diagnostics.…

图像与视频处理 · 电气工程与系统科学 2024-04-03 Helena Shawn , Thompson Chyrikov , Jacob Lanet , Lam-chi Chen , Jim Zhao , Christina Chajo

Generating images via the generative adversarial network (GAN) has attracted much attention recently. However, most of the existing GAN-based methods can only produce low-resolution images of limited quality. Directly generating…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Yong Guo , Qi Chen , Jian Chen , Qingyao Wu , Qinfeng Shi , Mingkui Tan

The state-of-the-art facial image inpainting methods achieved promising results but face realism preservation remains a challenge. This is due to limitations such as; failures in preserving edges and blurry artefacts. To overcome these…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Jireh Jam , Connah Kendrick , Vincent Drouard , Kevin Walker , Gee-Sern Hsu , Moi Hoon Yap

It has been well recognized that neural network based image classifiers are easily fooled by images with tiny perturbations crafted by an adversary. There has been a vast volume of research to generate and defend such adversarial attacks.…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Yifan Gong , Yuguang Yao , Yize Li , Yimeng Zhang , Xiaoming Liu , Xue Lin , Sijia Liu

Typical Magnetic Resonance Imaging (MRI) scan may take 20 to 60 minutes. Reducing MRI scan time is beneficial for both patient experience and cost considerations. Accelerated MRI scan may be achieved by acquiring less amount of k-space data…

图像与视频处理 · 电气工程与系统科学 2020-01-15 Pak Lun Kevin Ding , Zhiqiang Li , Yuxiang Zhou , Baoxin Li

Generative adversarial networks (GANs) are a machine learning technique capable of producing high-quality synthetic images. In the field of materials science, when a crystallographic dataset includes inadequate or difficult-to-obtain…

Magnetic resonance imaging (MRI) is a widely used non-radiative and non-invasive method for clinical interrogation of organ structures and metabolism, with an inherently long scanning time. Methods by k-space undersampling and deep learning…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Jiahao Huang , Yinzhe Wu , Huanjun Wu , Guang Yang

We propose to learn a fully-convolutional network model that consists of a Chain of Identity Mapping Modules and residual on the residual architecture for image denoising. Our network structure possesses three distinctive features that are…

计算机视觉与模式识别 · 计算机科学 2020-04-29 Saeed Anwar , Cong Phuoc Huynh , Fatih Porikli

Removing the shape noise from the observed weak lensing field, i.e., denoising, enhances the potential of WL by accessing information at small scales where the shape noise dominates without denoising. We utilise two machine learning (ML)…

宇宙学与河外天体物理 · 物理学 2026-05-13 Shohei D. Aoyama , Ken Osato , Masato Shirasaki

Generative Adversarial Networks (GANs) are considered the state-of-the-art in the field of image generation. They learn the joint distribution of the training data and attempt to generate new data samples in high dimensional space following…

计算机视觉与模式识别 · 计算机科学 2020-04-29 Sherif Abdulatif , Karim Armanious , Fady Aziz , Urs Schneider , Bin Yang

This paper describes a new approach for training generative adversarial networks (GAN) to understand the detailed 3D shape of objects. While GANs have been used in this domain previously, they are notoriously hard to train, especially for…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Edward Smith , David Meger

Dual-energy computed tomography has great potential in material characterization and identification, whereas the reconstructed material-specific images always suffer from magnified noise and beam hardening artifacts. In this study, a…

医学物理 · 物理学 2021-09-15 Zaifeng Shi , Huilong Li , Qingjie Cao , Zhongqi Wang , Ming Cheng

Recent research on image denoising has progressed with the development of deep learning architectures, especially convolutional neural networks. However, real-world image denoising is still very challenging because it is not possible to…

图像与视频处理 · 电气工程与系统科学 2019-05-28 Dong-Wook Kim , Jae Ryun Chung , Seung-Won Jung

Deep learning algorithms produces state-of-the-art results for different machine learning and computer vision tasks. To perform well on a given task, these algorithms require large dataset for training. However, deep learning algorithms…

机器学习 · 计算机科学 2019-04-03 Talha Iqbal , Hazrat Ali

Image super-resolution is important in many fields, such as surveillance and remote sensing. However, infrared (IR) images normally have low resolution since the optical equipment is relatively expensive. Recently, deep learning methods…

图像与视频处理 · 电气工程与系统科学 2022-12-23 Yongsong Huang , Zetao Jiang , Qingzhong Wang , Qi Jiang , Guoming Pang

Deformable registration is one of the most challenging task in the field of medical image analysis, especially for the alignment between different sequences and modalities. In this paper, a non-rigid registration method is proposed for 3D…

计算机视觉与模式识别 · 计算机科学 2020-02-27 Xiaoyue Zhang , Weijian Jian , Yu Chen , Shihting Yang

Deep neural networks provide state-of-the-art performance for image denoising, where the goal is to recover a near noise-free image from a noisy observation. The underlying principle is that neural networks trained on large datasets have…

信息论 · 计算机科学 2019-04-09 Reinhard Heckel , Wen Huang , Paul Hand , Vladislav Voroninski

Computed tomography (CT) is a popular medical imaging modality in clinical applications. At the same time, the x-ray radiation dose associated with CT scans raises public concerns due to its potential risks to the patients. Over the past…

计算机视觉与模式识别 · 计算机科学 2018-08-13 Chenyu You , Qingsong Yang , Hongming Shan , Lars Gjesteby , Guang Li , Shenghong Ju , Zhuiyang Zhang , Zhen Zhao , Yi Zhang , Wenxiang Cong , Ge Wang