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Existing deep learning methods for remote sensing image fusion often suffer from poor generalization when applied to unseen datasets due to the limited availability of real training data and the domain gap between different satellite…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Yongchuan Cui , Peng Liu , Yi Zeng

Recovering high-resolution images from limited sensory data typically leads to a serious ill-posed inverse problem, demanding inversion algorithms that effectively capture the prior information. Learning a good inverse mapping from training…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Morteza Mardani , Qingyun Sun , Shreyas Vasawanala , Vardan Papyan , Hatef Monajemi , John Pauly , David Donoho

Magnetic Resonance Imaging (MRI) is a widely used medical imaging technique, but its long acquisition time can be a limiting factor in clinical settings. To address this issue, researchers have been exploring ways to reduce the acquisition…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Pu Yang , Bin Dong

Physics-driven deep learning (PD-DL) models have proven to be a powerful approach for improved reconstruction of rapid MRI scans. In order to train these models in scenarios where fully-sampled reference data is unavailable, self-supervised…

图像与视频处理 · 电气工程与系统科学 2025-09-08 Yaşar Utku Alçalar , Mehmet Akçakaya

Most existing methods for Magnetic Resonance Imaging (MRI) reconstruction with deep learning use fully supervised training, which assumes that a high signal-to-noise ratio (SNR), fully sampled dataset is available for training. In many…

图像与视频处理 · 电气工程与系统科学 2024-06-17 Charles Millard , Mark Chiew

Purpose: In many clinical MRI scenarios, existing imaging information can be used to significantly shorten acquisition time or to improve Signal to Noise Ratio (SNR). In this paper the authors present a framework for fast MRI by exploiting…

医学物理 · 物理学 2017-08-28 Lior Weizman , Yonina C. Eldar , Dafna Ben-Basaht

The data consistency for the physical forward model is crucial in inverse problems, especially in MR imaging reconstruction. The standard way is to unroll an iterative algorithm into a neural network with a forward model embedded. The…

图像与视频处理 · 电气工程与系统科学 2023-06-28 Guanxiong Luo , Mengmeng Kuang , Peng Cao

Deep learning (DL) based unrolled reconstructions have shown state-of-the-art performance for under-sampled magnetic resonance imaging (MRI). Similar to compressed sensing, DL can leverage high-dimensional data (e.g. 3D, 2D+time, 3D+time)…

图像与视频处理 · 电气工程与系统科学 2021-03-09 Ke Wang , Michael Kellman , Christopher M. Sandino , Kevin Zhang , Shreyas S. Vasanawala , Jonathan I. Tamir , Stella X. Yu , Michael Lustig

Supervised deep learning methods have shown promise in undersampled Magnetic Resonance Imaging (MRI) reconstruction, but their requirement for paired data limits their generalizability to the diverse MRI acquisition parameters. Recently,…

图像与视频处理 · 电气工程与系统科学 2024-06-12 Wei Jiang , Zhuang Xiong , Feng Liu , Nan Ye , Hongfu Sun

Compressed Sensing MRI (CS-MRI) has shown promise in reconstructing under-sampled MR images, offering the potential to reduce scan times. Classical techniques minimize a regularized least-squares cost function using an expensive iterative…

图像与视频处理 · 电气工程与系统科学 2020-07-30 Alan Q. Wang , Adrian V. Dalca , Mert R. Sabuncu

Magnetic resonance imaging (MRI) requires long acquisition times, raising costs, reducing accessibility, and making scans more susceptible to motion artifacts. Diffusion probabilistic models that learn data-driven priors can potentially…

图像与视频处理 · 电气工程与系统科学 2025-12-16 Rohan Sanda , Asad Aali , Andrew Johnston , Eduardo Reis , Gordon Wetzstein , Sara Fridovich-Keil

Purpose: Different Magnetic resonance imaging (MRI) modalities of the same anatomical structure are required to present different pathological information from the physical level for diagnostic needs. However, it is often difficult to…

图像与视频处理 · 电气工程与系统科学 2021-09-15 Yuchen Fei , Bo Zhan , Mei Hong , Xi Wu , Jiliu Zhou , Yan Wang

Deep learning techniques have gained considerable attention for their ability to accelerate MRI data acquisition while maintaining scan quality. In this work, we present a convolutional neural network (CNN) based framework for learning…

图像与视频处理 · 电气工程与系统科学 2025-09-23 Aryan Dhar , Siddhant Gautam , Saiprasad Ravishankar

Reconstructing MRI from highly undersampled measurements is crucial for accelerating medical imaging, but is challenging due to the ill-posedness of the inverse problem. While supervised deep learning (DL) approaches have shown remarkable…

图像与视频处理 · 电气工程与系统科学 2026-03-03 Andrew Wang , Steven McDonagh , Mike Davies

Recently, single gray/RGB image super-resolution reconstruction task has been extensively studied and made significant progress by leveraging the advanced machine learning techniques based on deep convolutional neural networks (DCNNs).…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Junjun Jiang , He Sun , Xianming Liu , Jiayi Ma

Background: Image reconstruction from highly undersampled 4D flow MRI data can be very time consuming and may result in significant underestimation of velocities depending on regularization, thereby limiting the applicability of the method.…

医学物理 · 物理学 2025-04-01 Luuk Jacobs , Marco Piccirelli , Valery Vishnevskiy , Sebastian Kozerke

In coded aperture snapshot spectral imaging (CASSI) system, the real-world hyperspectral image (HSI) can be reconstructed from the captured compressive image in a snapshot. Model-based HSI reconstruction methods employed hand-crafted priors…

图像与视频处理 · 电气工程与系统科学 2021-03-31 Tao Huang , Weisheng Dong , Xin Yuan , Jinjian Wu , Guangming Shi

High-quality MRI reconstruction plays a critical role in clinical applications. Deep learning-based methods have achieved promising results on MRI reconstruction. However, most state-of-the-art methods were designed to optimize the…

图像与视频处理 · 电气工程与系统科学 2022-06-08 Siyuan Dong , Eric Z. Chen , Lin Zhao , Xiao Chen , Yikang Liu , Terrence Chen , Shanhui Sun

High-resolution magnetic resonance imaging (MRI) is essential in clinical diagnosis. However, its long acquisition time remains a critical issue. Parallel imaging (PI) is a common approach to reduce acquisition time by periodically skipping…

图像与视频处理 · 电气工程与系统科学 2025-06-10 Hao Li , Yusheng Zhou , Jianan Liu , Xiling Liu , Tao Huang , Zhihan Lyu , Weidong Cai , Wei Chen

Parallel magnetic resonance imaging has served as an effective and widely adopted technique for accelerating scans. The advent of sparse sampling offers aggressive acceleration, allowing flexible sampling and better reconstruction.…

医学物理 · 物理学 2019-09-09 Xinlin Zhang , Di Guo , Yiman Huang , Ying Chen , Liansheng Wang , Feng Huang , Xiaobo Qu