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In the Coded Aperture Snapshot Spectral Imaging (CASSI) system, deep unfolding networks (DUNs) have demonstrated excellent performance in recovering 3D hyperspectral images (HSIs) from 2D measurements. However, some noticeable gaps exist…

图像与视频处理 · 电气工程与系统科学 2024-01-17 Yubo Dong , Dahua Gao , Yuyan Li , Guangming Shi , Danhua Liu

In this paper, we consider deep neural networks for solving inverse problems that are robust to forward model mis-specifications. Specifically, we treat sensing problems with model mismatch where one wishes to recover a sparse…

机器学习 · 计算机科学 2021-10-22 Wei Pu , Chao Zhou , Yonina C. Eldar , Miguel R. D. Rodrigues

Deep unrolling networks that utilize sparsity priors have achieved great success in dynamic magnetic resonance (MR) imaging. The convolutional neural network (CNN) is usually utilized to extract the transformed domain, and then the soft…

图像与视频处理 · 电气工程与系统科学 2023-07-20 Yinghao Zhang , Xiaodi Li , Weihang Li , Yue Hu

Synthetic aperture radar (SAR) tomography (TomoSAR) has attracted remarkable interest for its ability in achieving three-dimensional reconstruction along the elevation direction from multiple observations. In recent years, compressed…

信号处理 · 电气工程与系统科学 2022-05-06 Muhan Wang , Zhe Zhang , Yue Wang , Silin Gao , Xiaolan Qiu

Deep learning for image super-resolution (SR) has been investigated by numerous researchers in recent years. Most of the works concentrate on effective block designs and improve the network representation but lack interpretation. There are…

图像与视频处理 · 电气工程与系统科学 2022-10-17 Yuqing Liu , Wei Zhang , Weifeng Sun , Zhikai Yu , Jianfeng Wei , Shengquan Li

Most Deep Learning (DL) based Compressed Sensing (DCS) algorithms adopt a single neural network for signal reconstruction, and fail to jointly consider the influences of the sampling operation for reconstruction. In this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2022-11-17 Chunyan Zeng , Jiaxiang Ye , Zhifeng Wang , Nan Zhao , Minghu Wu

Snapshot hyperspectral imaging systems acquire spectral data cubes through compressed sensing. Recently, diffractive snapshot spectral imaging (DSSI) methods have attracted significant attention. While various optical designs and…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Zhengyue Zhuge , Jiahui Xu , Shiqi Chen , Hao Xu , Yueting Chen , Zhihai Xu , Huajun Feng

Deep unfolding methods and transformer architecture have recently shown promising results in hyperspectral image (HSI) reconstruction. However, there still exist two issues: (1) in the data subproblem, most methods represents the stepsize…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yanan Yang , Like Xin

Compressed sensing has shown great potentials in accelerating magnetic resonance imaging. Fast image reconstruction and high image quality are two main issues faced by this new technology. It has been shown that, redundant image…

医学物理 · 物理学 2016-01-27 Yunsong Liu , Zhifang Zhan , Jian-Feng Cai , Di Guo , Zhong Chen , Xiaobo Qu

Deep unfolding methods---for example, the learned iterative shrinkage thresholding algorithm (LISTA)---design deep neural networks as learned variations of optimization methods. These networks have been shown to achieve faster convergence…

机器学习 · 计算机科学 2020-03-19 Huynh Van Luong , Boris Joukovsky , Nikos Deligiannis

The performance of Federated learning (FL) is negatively affected by device differences and statistical characteristics between participating clients. To address this issue, we introduce a deep unfolding network (DUN)-based technique that…

机器学习 · 计算机科学 2023-07-03 Shanika I Nanayakkara , Shiva Raj Pokhrel , Gang Li

Deep unfolding networks (DUNs) have recently advanced concealed object segmentation (COS) by modeling segmentation as iterative foreground-background separation. However, existing DUN-based methods (RUN) inherently couple background…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Chunming He , Rihan Zhang , Dingming Zhang , Fengyang Xiao , Deng-Ping Fan , Sina Farsiu

We address the problem of reconstructing sparse signals from noisy and compressive measurements using a feed-forward deep neural network (DNN) with an architecture motivated by the iterative shrinkage-thresholding algorithm (ISTA). We…

机器学习 · 计算机科学 2017-05-23 Debabrata Mahapatra , Subhadip Mukherjee , Chandra Sekhar Seelamantula

Deep unrolling, or unfolding, is an emerging learning-to-optimize method that unrolls a truncated iterative algorithm in the layers of a trainable neural network. However, the convergence guarantees and generalizability of the unrolled…

机器学习 · 计算机科学 2024-12-02 Samar Hadou , Navid NaderiAlizadeh , Alejandro Ribeiro

Deep unfolding networks (DUN) have emerged as a popular iterative framework for accelerated magnetic resonance imaging (MRI) reconstruction. However, conventional DUN aims to reconstruct all the missing information within the entire null…

图像与视频处理 · 电气工程与系统科学 2024-03-18 Chong Wang , Lanqing Guo , Yufei Wang , Hao Cheng , Yi Yu , Bihan Wen

Existing learning-based methods effectively reconstruct HDR images from multi-exposure LDR inputs with extended dynamic range and improved detail, but they rely more on empirical design rather than theoretical foundation, which can impact…

图像与视频处理 · 电气工程与系统科学 2025-07-08 Xinyue Li , Zhangkai Ni , Wenhan Yang

Convolutional Neural Networks (CNNs) have advanced significantly in visual representation learning and recognition. However, they face notable challenges in performance and computational efficiency when dealing with real-world, multi-scale…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Wenzhuo Liu , Fei Zhu , Cheng-Lin Liu

Infrared small target detection (ISTD) is one of the key techniques in image processing. Although deep unfolding networks (DUNs) have demonstrated promising performance in ISTD due to their model interpretability and data adaptability,…

计算机视觉与模式识别 · 计算机科学 2025-09-11 Jingjing Liu , Yinchao Han , Xianchao Xiu , Jianhua Zhang , Wanquan Liu

This paper presents a novel approach for unsupervised domain adaptation (UDA) targeting H&E stained histology images. Existing adversarial domain adaptation methods may not effectively align different domains of multimodal distributions…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Ravi Kant Gupta , Shounak Das , Amit Sethi

Deep unfolding networks (DUNs) are the foremost methods in the realm of compressed sensing MRI, as they can employ learnable networks to facilitate interpretable forward-inference operators. However, several daunting issues still exist,…

图像与视频处理 · 电气工程与系统科学 2023-04-07 Jiawei Jiang , Yuchao Feng , Honghui Xu , Wanjun Chen , Jianwei Zheng