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The generalization performance (GP) of deep learning-based arbitrary-scale image super-resolution (ASISR) methods is subject to limited training datasets and unlimited testing datasets. It is vitally significant to enhance the GP of the…

Hyperspectral image (HSI) super-resolution without additional auxiliary image remains a constant challenge due to its high-dimensional spectral patterns, where learning an effective spatial and spectral representation is a fundamental…

图像与视频处理 · 电气工程与系统科学 2021-12-21 Kaiwei Zhang

Learning based single image super resolution (SISR) task is well investigated in 2D images. However, SISR for 3D Magnetics Resonance Images (MRI) is more challenging compared to 2D, mainly due to the increased number of neural network…

图像与视频处理 · 电气工程与系统科学 2023-03-27 Qi Wang , Lucas Mahler , Julius Steiglechner , Florian Birk , Klaus Scheffler , Gabriele Lohmann

In this work we propose an adversarial learning approach to generate high resolution MRI scans from low resolution images. The architecture, based on the SRGAN model, adopts 3D convolutions to exploit volumetric information. For the…

计算机视觉与模式识别 · 计算机科学 2019-01-01 Irina Sanchez , Veronica Vilaplana

Conventional social media platforms usually downscale the HR images to restrict their resolution to a specific size for saving transmission/storage cost, which leads to the super-resolution (SR) being highly ill-posed. Recent invertible…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Jinbo Xing , Wenbo Hu , Tien-Tsin Wong

Rendering an accurate image of an isosurface in a volumetric field typically requires large numbers of data samples. Reducing the number of required samples lies at the core of research in volume rendering. With the advent of deep learning…

图形学 · 计算机科学 2022-05-31 Sebastian Weiss , Mengyu Chu , Nils Thuerey , Rüdiger Westermann

Self-supervised representation learning~(SSRL) has advanced considerably by exploiting the transformation invariance assumption under artificially designed data augmentations. While augmentation-based SSRL algorithms push the boundaries of…

机器学习 · 计算机科学 2024-03-22 Yi Sui , Tongzi Wu , Jesse C. Cresswell , Ga Wu , George Stein , Xiao Shi Huang , Xiaochen Zhang , Maksims Volkovs

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

Recent research on super-resolution has achieved great success due to the development of deep convolutional neural networks (DCNNs). However, super-resolution of arbitrary scale factor has been ignored for a long time. Most previous…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Xuecai Hu , Haoyuan Mu , Xiangyu Zhang , Zilei Wang , Tieniu Tan , Jian Sun

We present a novel neural surface reconstruction method called NeuralRoom for reconstructing room-sized indoor scenes directly from a set of 2D images. Recently, implicit neural representations have become a promising way to reconstruct…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Yusen Wang , Zongcheng Li , Yu Jiang , Kaixuan Zhou , Tuo Cao , Yanping Fu , Chunxia Xiao

Super-resolution (SR) methods have seen significant advances thanks to the development of convolutional neural networks (CNNs). CNNs have been successfully employed to improve the quality of endomicroscopy imaging. Yet, the inherent…

图像与视频处理 · 电气工程与系统科学 2021-03-26 Agnieszka Barbara Szczotka , Dzhoshkun Ismail Shakir , Matthew J. Clarkson , Stephen P. Pereira , Tom Vercauteren

Single image super resolution (SR) has seen major performance leaps in recent years. However, existing methods do not allow exploring the infinitely many plausible reconstructions that might have given rise to the observed low-resolution…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Yuval Bahat , Tomer Michaeli

The earlier works in the context of low-rank-sparse-decomposition (LRSD)-driven stationary synthetic aperture radar (SAR) imaging have shown significant improvement in the reconstruction-decomposition process. Neither of the proposed…

图像与视频处理 · 电气工程与系统科学 2025-12-12 Hamid Reza Hashempour , Majid Moradikia , Hamed Bastami , Ahmed Abdelhadi , Mojtaba Soltanalian

High-resolution electron microscopy (HREM) imaging technique is a powerful tool for directly visualizing a broad range of materials in real-space. However, it faces challenges in denoising due to ultra-low signal-to-noise ratio (SNR) and…

图像与视频处理 · 电气工程与系统科学 2024-11-20 Xuanyu Tian , Zhuoya Dong , Xiyue Lin , Yue Gao , Hongjiang Wei , Yanhang Ma , Jingyi Yu , Yuyao Zhang

Super-resolution (SR) models are attracting growing interest for enhancing minimally invasive surgery and diagnostic videos under hardware constraints. However, valid concerns remain regarding the introduction of hallucinated structures and…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Julio Silva-Rodríguez , Ender Konukoglu

Most existing algorithms for automatic 3D morphometry of human brain MRI scans are designed for data with near-isotropic voxels at approximately 1 mm resolution, and frequently have contrast constraints as well - typically requiring T1…

图像与视频处理 · 电气工程与系统科学 2020-12-25 Juan Eugenio Iglesias , Benjamin Billot , Yael Balbastre , Azadeh Tabari , John Conklin , Daniel C. Alexander , Polina Golland , Brian L. Edlow , Bruce Fischl

We present a deep residual network-based generative model for single image super-resolution (SISR) of underwater imagery for use by autonomous underwater robots. We also provide an adversarial training pipeline for learning SISR from paired…

图像与视频处理 · 电气工程与系统科学 2020-02-26 Md Jahidul Islam , Sadman Sakib Enan , Peigen Luo , Junaed Sattar

Reconstructing high-resolution (HR) 3D Gaussian Splatting (3DGS) models from low-resolution (LR) inputs remains challenging due to the lack of fine-grained textures and geometry. Existing methods typically rely on pre-trained 2D…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Xiang Feng , Tieshi Zhong , Shuo Chang , Weiliu Wang , Chengkai Wang , Yifei Chen , Yuhe Wang , Zhenzhong Kuang , Xuefei Yin , Yanming Zhu

Implicit Neural representations (INRs) are widely used for scientific data reduction and visualization by modeling the function that maps a spatial location to a data value. Without any prior knowledge about the spatial distribution of…

图形学 · 计算机科学 2024-02-22 Haoyu Li , Han-Wei Shen

This paper proposes a novel self-supervised learning method, RELAX-MORE, for quantitative MRI (qMRI) reconstruction. The proposed method uses an optimization algorithm to unroll a model-based qMRI reconstruction into a deep learning…

生物物理 · 物理学 2023-07-26 Wanyu Bian , Albert Jang , Fang Liu