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Computer-generated holography (CGH) has gained wide attention with deep learning-based algorithms. However, due to its nonlinear and ill-posed nature, challenges remain in achieving accurate and stable reconstruction. Specifically, ($i$)…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Haomiao Zhang , Zhangyuan Li , Yanling Piao , Zhi Li , Xiaodong Wang , Miao Cao , Xiongfei Su , Qiang Song , Xin Yuan

The millimeter wave (mmWave) multiuser multiple-input multiple-output (MU-MIMO) systems with discrete lens arrays (DLA) have received great attention due to their simple hardware implementation and excellent performance. In this work, we…

信息论 · 计算机科学 2021-01-06 Qiyu Hu , Yanzhen Liu , Yunlong Cai , Guanding Yu , Zhi Ding

The main focus of this work is a novel framework for the joint reconstruction and segmentation of parallel MRI (PMRI) brain data. We introduce an image domain deep network for calibrationless recovery of undersampled PMRI data. The proposed…

图像与视频处理 · 电气工程与系统科学 2021-02-03 Aniket Pramanik , Mathews Jacob

Deep unfolding network (DUN) that unfolds the optimization algorithm into a deep neural network has achieved great success in compressive sensing (CS) due to its good interpretability and high performance. Each stage in DUN corresponds to…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Jiechong Song , Bin Chen , Jian Zhang

X-ray Computed Tomography (CT) is one of the most important diagnostic imaging techniques in clinical applications. Sparse-view CT imaging reduces the number of projection views to a lower radiation dose and alleviates the potential risk of…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Xiaohong Fan , Ke Chen , Huaming Yi , Yin Yang , Jianping Zhang

Despite the growing success of Convolution neural networks (CNN) in the recent past in the task of scene segmentation, the standard models lack some of the important features that might result in sub-optimal segmentation outputs. The widely…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Soham Chattopadhyay , Hritam Basak

Biomedical image segmentation plays a central role in quantitative analysis, clinical diagnosis, and medical intervention. In the light of the fully convolutional networks (FCN) and U-Net, deep convolutional networks (DNNs) have made…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Jiawei Zhang , Yuzhen Jin , Jilan Xu , Xiaowei Xu , Yanchun Zhang

Recent works on Multimodal 3D Computer-aided diagnosis have demonstrated that obtaining a competitive automatic diagnosis model when a 3D convolution neural network (CNN) brings more parameters and medical images are scarce remains…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Yin Dai , Yifan Gao , Fayu Liu , Jun Fu

We consider the problem of video snapshot compressive imaging (SCI), where sequential high-speed frames are modulated by different masks and captured by a single measurement. The underlying principle of reconstructing multi-frame images…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Siming Zheng , Xin Yuan

Cardiac Cine Magnetic Resonance Imaging (MRI) provides an accurate assessment of heart morphology and function in clinical practice. However, MRI requires long acquisition times, with recent deep learning-based methods showing great promise…

图像与视频处理 · 电气工程与系统科学 2024-07-04 Siying Xu , Kerstin Hammernik , Andreas Lingg , Jens Kuebler , Patrick Krumm , Daniel Rueckert , Sergios Gatidis , Thomas Kuestner

The objective of pansharpening and hypersharpening is to accurately combine a high-resolution panchromatic (PAN) image with a low-resolution multispectral (MS) or hyperspectral (HS) image, respectively. Unfolding fusion methods integrate…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Ivan Pereira-Sánchez , Eloi Sans , Julia Navarro , Joan Duran

In the coded aperture snapshot spectral imaging system, Deep Unfolding Networks (DUNs) have made impressive progress in recovering 3D hyperspectral images (HSIs) from a single 2D measurement. However, the inherent nonlinear and ill-posed…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Mengjie Qin , Yuchao Feng , Zongliang Wu , Yulun Zhang , Xin Yuan

MRI with multiple protocols is commonly used for diagnosis, but it suffers from a long acquisition time, which yields the image quality vulnerable to say motion artifacts. To accelerate, various methods have been proposed to reconstruct…

图像与视频处理 · 电气工程与系统科学 2020-04-09 Bo Zhou , S. Kevin Zhou

By mapping iterative optimization algorithms into neural networks (NNs), deep unfolding networks (DUNs) exhibit well-defined and interpretable structures and achieve remarkable success in the field of compressive sensing (CS). However, most…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Weiqi Li , Bin Chen , Shuai Liu , Shijie Zhao , Bowen Du , Yongbing Zhang , Jian Zhang

Dynamic Magnetic Resonance Imaging (MRI) exhibits transformation symmetries, including spatial rotation symmetry within individual frames and temporal symmetry along the time dimension. Explicit incorporation of these symmetry priors in the…

图像与视频处理 · 电气工程与系统科学 2025-06-13 Yuliang Zhu , Jing Cheng , Qi Xie , Zhuo-Xu Cui , Qingyong Zhu , Yuanyuan Liu , Xin Liu , Jianfeng Ren , Chengbo Wang , Dong Liang

Parallel imaging accelerates MRI data acquisition by acquiring additional sensitivity information with an array of receiver coils, resulting in fewer phase encoding steps. Because of fewer data requirements than parallel imaging, compressed…

图像与视频处理 · 电气工程与系统科学 2022-12-20 Farhan Sadik , Md. Kamrul Hasan

Compressed sensing magnetic resonance imaging (CS-MRI) is a theoretical framework that can accurately reconstruct images from undersampled k-space data with a much lower sampling rate than the one set by the classical Nyquist-Shannon…

医学物理 · 物理学 2020-05-19 Maosong Ran , Wenjun Xia , Yongqiang Huang , Zexin Lu , Peng Bao , Yan Liu , Huaiqiang Sun , Jiliu Zhou , Yi Zhang

Snapshot compressive imaging (SCI) aims to record three-dimensional signals via a two-dimensional camera. For the sake of building a fast and accurate SCI recovery algorithm, we incorporate the interpretability of model-based methods and…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Zhuoyuan Wu , Jian Zhang , Chong Mou

In recent years, various applications in computer vision have achieved substantial progress based on deep learning, which has been widely used for image fusion and shown to achieve adequate performance. However, suffering from limited…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Zhengwen Shen , Jun Wang , Zaiyu Pan , Yulian Li , Jiangyu Wang

We propose an enhanced deep learning-based model for image segmentation of the left and right ventricles and myocardium scar tissue from cardiac magnetic resonance (CMR) images. The proposed technique integrates UNet, channel and spatial…

图像与视频处理 · 电气工程与系统科学 2025-04-21 Racheal Mukisa , Arvind K. Bansal