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相关论文: Model-Based Iterative Reconstruction for One-Sided…

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We introduce a new class of iterative image reconstruction algorithms for radio interferometry, at the interface of convex optimization and deep learning, inspired by plug-and-play methods. The approach consists in learning a prior image…

图像与视频处理 · 电气工程与系统科学 2022-09-28 Matthieu Terris , Arwa Dabbech , Chao Tang , Yves Wiaux

This paper introduces an innovative approach for signal reconstruction using data acquired through multi-input-multi-output (MIMO) sampling. First, we show that it is possible to perfectly reconstruct a set of periodic band-limited signals…

信息论 · 计算机科学 2024-09-09 Dong Cheng , Xiaoxiao Hu , Kit Ian Kou

The problem of phase retrieval has been intriguing researchers for decades due to its appearance in a wide range of applications. The task of a phase retrieval algorithm is typically to recover a signal from linear phase-less measurements.…

信号处理 · 电气工程与系统科学 2020-03-11 Naveed Naimipour , Shahin Khobahi , Mojtaba Soltanalian

Accurate modeling of ultrasound wave propagation is essential for high-fidelity simulation and imaging in ultrasonic testing. A primary challenge lies in characterizing the excitation source, particularly for transducers with large…

医学物理 · 物理学 2026-03-26 Tim Bürchner , Simon Schmid , Ernst Rank , Stefan Kollmannsberger , Andreas Fichtner

There is an increasing need to reconstruct objects in four or more dimensions corresponding to space, time and other independent parameters. The best 4D reconstruction algorithms use regularized iterative reconstruction approaches such as…

图像与视频处理 · 电气工程与系统科学 2019-06-18 Soumendu Majee , Thilo Balke , Craig A. J. Kemp , Gregery T. Buzzard , Charles A. Bouman

Objective: To allow efficient learning using the Recurrent Inference Machine (RIM) for image reconstruction whereas not being strictly dependent on the training data distribution so that unseen modalities and pathologies are still…

图像与视频处理 · 电气工程与系统科学 2020-12-15 Dimitrios Karkalousos , Kai Lønning , Hanneke E. Hulst , Serge O. Dumoulin , Jan-Jakob Sonke , Frans M. Vos , Matthan W. A. Caan

Identifying changes in a pair of 3D aerial LiDAR point clouds, obtained during two distinct time periods over the same geographic region presents a significant challenge due to the disparities in spatial coverage and the presence of noise…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Peter Naylor , Diego Di Carlo , Arianna Traviglia , Makoto Yamada , Marco Fiorucci

Hyperspectral image analysis often requires selecting the most informative bands instead of processing the whole data without losing the key information. Existing band reduction (BR) methods have the capability to reveal the nonlinear…

计算机视觉与模式识别 · 计算机科学 2018-12-03 Muhammad Ahmad , Asad Khan , Adil Mehmood Khan , Rasheed Hussain

In applications of diffusion models, controllable generation is of practical significance, but is also challenging. Current methods for controllable generation primarily focus on modifying the score function of diffusion models, while Mean…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Ao Li , Wei Fang , Hongbo Zhao , Le Lu , Ge Yang , Minfeng Xu

Recent research has explored using neural networks to reconstruct undersampled magnetic resonance imaging (MRI) data. Because of the complexity of the artifacts in the reconstructed images, there is a need to develop task-based approaches…

图像与视频处理 · 电气工程与系统科学 2022-10-25 Joshua D. Herman , Rachel E. Roca , Alexandra G. O'Neill , Marcus L. Wong , Sajan G. Lingala , Angel R. Pineda

Ultrasound computed tomography (USCT), as an emerging technology, can provide multiple quantitative parametric images of human tissue, such as sound speed and attenuation images, distinguishing it from conventional B-mode (reflection)…

图像与视频处理 · 电气工程与系统科学 2024-06-17 Weicheng Yan , Qiude Zhang , Yun Wu , Zhaohui Liu , Liang Zhou , Mingyue Ding , Ming Yuchi , Wu Qiu

1. Parameter inference from distorted measurements is discussed. 2. Smeared measurements are unfolded without explicit regularization. The corresponding results are unbiased and permit to fit parameters and to apply quantitative…

数据分析、统计与概率 · 物理学 2016-07-26 Guenter Zech

Purpose, To develop a high scanning efficiency, motion corrected imaging strategy for free-breathing pulmonary MRI by combining a motion compensation reconstruction with a UTE acquisition, called iMoCo UTE. Methods, An optimized golden…

图像与视频处理 · 电气工程与系统科学 2020-02-03 Xucheng Zhu , Marilynn Chan , Michael Lustig , Kevin Johnson , Peder Larson

Variational formulations of reconstruction in computed tomography have the notable drawback of requiring repeated evaluations of both the forward Radon transform and either its adjoint or an approximate inverse transform which are…

数值分析 · 数学 2017-05-23 Richard C. Barnard , Rick Archibald

Multi-scale 3D characterization is widely used by materials scientists to further their understanding of the relationships between microscopic structure and macroscopic function. Scientific computed tomography (CT) instruments are one of…

图像与视频处理 · 电气工程与系统科学 2022-01-12 S. V. Venkatakrishnan , K. Aditya Mohan , Amir Koushyar Ziabari , Charles A. Bouman

Surgical instrument tracking is an active research area that can provide surgeons feedback about the location of their tools relative to anatomy. Recent tracking methods are mainly divided into two parts: segmentation and object detection.…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Ange Lou , Xing Yao , Ziteng Liu , Jintong Han , Jack Noble

Magnetic Resonance Elastography (MRE) has become an essential tool in assessing the mechanical properties of soft tissues in-vivo, prompting significant progress in new inversion algorithms. This creates a need for a benchmarking framework…

Magnetic Resonance Imaging (MRI) is a powerful, non-invasive diagnostic tool; however, its clinical applicability is constrained by prolonged acquisition times. Whilst present deep learning-based approaches have demonstrated potential in…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Anurag Malyala , Zhenlin Zhang , Chengyan Wang , Chen Qin

Incoherent k-space undersampling and deep learning-based reconstruction methods have shown great success in accelerating MRI. However, the performance of most previous methods will degrade dramatically under high acceleration factors, e.g.,…

图像与视频处理 · 电气工程与系统科学 2026-01-21 Jin Liu , Qing Lin , Zhuang Xiong , Shanshan Shan , Chunyi Liu , Min Li , Feng Liu , G. Bruce Pike , Hongfu Sun , Yang Gao

This paper presents a new method for reconstructing regions of interest (ROI) from a limited number of computed tomography (CT) measurements. Classical model-based iterative reconstruction methods lead to images with predictable features.…

图像与视频处理 · 电气工程与系统科学 2023-05-18 Marion Savanier , Emilie Chouzenoux , Jean-Christophe Pesquet , Cyril Riddell
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