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Although sparse-view computed tomography (CT) has significantly reduced radiation dose, it also introduces severe artifacts which degrade the image quality. In recent years, deep learning-based methods for inverse problems have made…

图像与视频处理 · 电气工程与系统科学 2024-01-02 Shuo Xu , Yucheng Zhang , Gang Chen , Xincheng Xiang , Peng Cong , Yuewen Sun

High-resolution (HR) magnetic resonance imaging (MRI) provides detailed anatomical information that is critical for diagnosis in the clinical application. However, HR MRI typically comes at the cost of long scan time, small spatial…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Yuhua Chen , Anthony G. Christodoulou , Zhengwei Zhou , Feng Shi , Yibin Xie , Debiao Li

Residual networks (ResNets) represent a powerful type of convolutional neural network (CNN) architecture, widely adopted and used in various tasks. In this work we propose an improved version of ResNets. Our proposed improvements address…

计算机视觉与模式识别 · 计算机科学 2020-04-13 Ionut Cosmin Duta , Li Liu , Fan Zhu , Ling Shao

Deep learning has shown great potential for automated medical image segmentation to improve the precision and speed of disease diagnostics. However, the task presents significant difficulties due to variations in the scale, shape, texture,…

图像与视频处理 · 电气工程与系统科学 2024-09-06 Shahzaib Iqbal , Tariq M. Khan , Syed S. Naqvi , Asim Naveed , Erik Meijering

X-ray Computed Tomography (CT) is widely used in clinical applications such as diagnosis and image-guided interventions. In this paper, we propose a new deep learning based model for CT image reconstruction with the backbone network…

图像与视频处理 · 电气工程与系统科学 2020-09-21 Haimiao Zhang , Baodong Liu , Hengyong Yu , Bin Dong

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…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Yongliang Tang , Jiashui Huang , Faen Zhang , Weiguo Gong

Purpose: To introduce a dual-domain reconstruction network with V-Net and K-Net for accurate MR image reconstruction from undersampled k-space data. Methods: Most state-of-the-art reconstruction methods apply U-Net or cascaded U-Nets in…

图像与视频处理 · 电气工程与系统科学 2022-08-09 Xiaohan Liu , Yanwei Pang , Ruiqi Jin , Yu Liu , Zhenchang Wang

Image reconstruction from insufficient data is common in computed tomography (CT), e.g., image reconstruction from truncated data, limited-angle data and sparse-view data. Deep learning has achieved impressive results in this field.…

图像与视频处理 · 电气工程与系统科学 2020-05-21 Yixing Huang , Alexander Preuhs , Michael Manhart , Guenter Lauritsch , Andreas Maier

Deep convolution neural networks (CNNs) play a critical role in single image super-resolution (SISR) since the amazing improvement of high performance computing. However, most of the super-resolution (SR) methods only focus on recovering…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Dong Huo , Yee-Hong Yang

Deep learning-based hyperspectral image super-resolution (SR) methods have achieved great success recently. However, most existing models can not effectively explore spatial information and spectral information between bands simultaneously,…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Qi Wang , Qiang Li , Xuelong Li

Single image super-resolution (SR) via deep learning has recently gained significant attention in the literature. Convolutional neural networks (CNNs) are typically learned to represent the mapping between low-resolution (LR) and…

计算机视觉与模式识别 · 计算机科学 2018-02-09 Hojjat S. Mousavi , Tiantong Guo , Vishal Monga

In real-world scenarios, images captured often suffer from blurring, noise, and other forms of image degradation, and due to sensor limitations, people usually can only obtain low dynamic range images. To achieve high-quality images,…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Kangzhen Yang , Tao Hu , Kexin Dai , Genggeng Chen , Yu Cao , Wei Dong , Peng Wu , Yanning Zhang , Qingsen Yan

Multi-modal image registration is a challenging problem that is also an important clinical task for many real applications and scenarios. As a first step in analysis, deformable registration among different image modalities is often…

图像与视频处理 · 电气工程与系统科学 2020-07-21 Fengze Liu , Jinzheng Cai , Yuankai Huo , Chi-Tung Cheng , Ashwin Raju , Dakai Jin , Jing Xiao , Alan Yuille , Le Lu , ChienHung Liao , Adam P Harrison

Magnetic Resonance Imaging (MRI) represents an important diagnostic modality; however, its inherently slow acquisition process poses challenges in obtaining fully-sampled $k$-space data under motion. In the absence of fully-sampled…

图像与视频处理 · 电气工程与系统科学 2024-12-23 George Yiasemis , Nikita Moriakov , Clara I. Sánchez , Jan-Jakob Sonke , Jonas Teuwen

High resolution magnetic resonance (MR) imaging is desirable in many clinical applications due to its contribution to more accurate subsequent analyses and early clinical diagnoses. Single image super resolution (SISR) is an effective and…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Xiaole Zhao , Yulun Zhang , Tao Zhang , Xueming Zou

Image deblurring, a.k.a. image deconvolution, recovers a clear image from pixel superposition caused by blur degradation. Few deep convolutional neural networks (CNN) succeed in addressing this task. In this paper, we first demonstrate that…

计算机视觉与模式识别 · 计算机科学 2018-11-06 Li Si-Yao , Dongwei Ren , Furong Zhao , Zijian Hu , Junfeng Li , Qian Yin

Convolutional neural networks (CNNs) depend on deep network architectures to extract accurate information for image super-resolution. However, obtained information of these CNNs cannot completely express predicted high-quality images for…

图像与视频处理 · 电气工程与系统科学 2024-03-25 Chunwei Tian , Xuanyu Zhang , Qi Zhang , Mingming Yang , Zhaojie Ju

Object segmentation and structure localization are important steps in automated image analysis pipelines for microscopy images. We present a convolution neural network (CNN) based deep learning architecture for segmentation of objects in…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Shan E Ahmed Raza , Linda Cheung , Muhammad Shaban , Simon Graham , David Epstein , Stella Pelengaris , Michael Khan , Nasir M. Rajpoot

Recently, deep learning methods have gained remarkable achievements in the field of image restoration for remote sensing (RS). However, most existing RS image restoration methods focus mainly on conventional first-order degradation models,…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Yujie Feng , Yin Yang , Xiaohong Fan , Zhengpeng Zhang , Lijing Bu , Jianping Zhang

Synchrotron radiation sources are widely used in various fields, among which computed tomography (CT) is one of the most important. The amount of effort expended by the operator varies depending on the subject. If the number of angles…

图像与视频处理 · 电气工程与系统科学 2021-09-08 Ling Li , Yu Hu