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相关论文: Flow matching for Sentinel-2 super-resolution: imp…

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Current discriminative depth estimation methods often produce blurry artifacts, while generative approaches suffer from slow sampling due to curvatures in the noise-to-depth transport. Our method addresses these challenges by framing depth…

Diffusion models have achieved significant progress in both image and video generation while still suffering from huge computation costs. As an effective solution, flow matching aims to reflow the diffusion process of diffusion models into…

图形学 · 计算机科学 2025-03-13 Lei Ke , Haohang Xu , Xuefei Ning , Yu Li , Jiajun Li , Haoling Li , Yuxuan Lin , Dongsheng Jiang , Yujiu Yang , Linfeng Zhang

Super-resolution (SR) techniques based on deep learning have recently emerged as a promising approach to enhance the spatial resolution of computational fluid dynamics simulations while containing computational cost. In this paper, we…

流体动力学 · 物理学 2026-04-13 Armin Sheidani , Michele Girfoglio , Annalisa Quaini , Gianluigi Rozza

We present VibrantSR (Vibrant Super-Resolution), a generative super-resolution framework for estimating 0.5 meter canopy height models (CHMs) from 10 meter Sentinel-2 imagery. Unlike approaches based on aerial imagery that are constrained…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Kiarie Ndegwa , Andreas Gros , Tony Chang , David Diaz , Vincent A. Landau , Nathan E. Rutenbeck , Luke J. Zachmann , Guy Bayes , Scott Conway

Recent advances in deep-learning based methods for image matching have demonstrated their superiority over traditional algorithms, enabling correspondence estimation in challenging scenes with significant differences in viewing angles,…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Rahul Deshmukh , Avinash Kak

Magnetic Resonance Spectroscopic Imaging (MRSI) is an essential tool for quantifying metabolites in the body, but the low spatial resolution limits its clinical applications. Deep learning-based super-resolution methods provided promising…

图像与视频处理 · 电气工程与系统科学 2022-07-22 Siyuan Dong , Gilbert Hangel , Eric Z. Chen , Shanhui Sun , Wolfgang Bogner , Georg Widhalm , Chenyu You , John A. Onofrey , Robin de Graaf , James S. Duncan

Optical flow is inherently a 2D search problem, and thus the computational complexity grows quadratically with respect to the search window, making large displacements matching infeasible for high-resolution images. In this paper, we take…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Haofei Xu , Jiaolong Yang , Jianfei Cai , Juyong Zhang , Xin Tong

While deep learning-based super-resolution (SR) methods have shown impressive outcomes with synthetic degradation scenarios such as bicubic downsampling, they frequently struggle to perform well on real-world images that feature complex,…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Hyeonjae Kim , Dongjin Kim , Eugene Jin , Tae Hyun Kim

High-resolution satellite imagery is essential for geospatial analysis, yet differences in spatial resolution across satellite sensors present challenges for data fusion and downstream applications. Super-resolution techniques can help…

图像与视频处理 · 电气工程与系统科学 2025-08-05 Philip Wootaek Shin , Vishal Gaur , Rahul Ramachandran , Manil Maskey , Jack Sampson , Vijaykrishnan Narayanan , Sujit Roy

Large-scale numerical simulations are capable of generating data up to terabytes or even petabytes. As a promising method of data reduction, super-resolution (SR) has been widely studied in the scientific visualization community. However,…

图像与视频处理 · 电气工程与系统科学 2023-08-29 Chenyue Jiao , Chongke Bi , Lu Yang

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

Super-resolution is an innovative technique that upscales the resolution of an image or a video and thus enables us to reconstruct high-fidelity images from low-resolution data. This study performs super-resolution analysis on turbulent…

流体动力学 · 物理学 2022-02-15 T. S. Sachin Venkatesh , Rajat Srivastava , Pratyush Bhatt , Prince Tyagi , Raj Kumar Singh

In this paper, we introduce and tackle the simultaneous enhancement and super-resolution (SESR) problem for underwater robot vision and provide an efficient solution for near real-time applications. We present Deep SESR, a…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Md Jahidul Islam , Peigen Luo , Junaed Sattar

Frequent cloud cover severely limits the usability of Sentinel-2 (S2) optical time series for Earth surface monitoring. Sentinel-1 (S1) SAR provides all-weather complementary observations, but practical S1/S2 fusion remains difficult…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Forouzan Fallah , Chia Yu Hsu , Wenwen Li , Anna Liljedahl , Yezhou Yang

Diffusion-based image super-resolution (SR) has recently attracted significant attention by leveraging the expressive power of large pre-trained text-to-image diffusion models (DMs). A central practical challenge is resolving the trade-off…

图像与视频处理 · 电气工程与系统科学 2026-01-26 Maxence Noble , Gonzalo Iñaki Quintana , Benjamin Aubin , Clément Chadebec

Accurate estimation of sea ice drift is critical for Arctic navigation, climate research, and operational forecasting. While optical flow, a computer vision technique for estimating pixel wise motion between consecutive images, has advanced…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Daniela Martin , Joseph Gallego

4D flow magnetic resonance imaging (MRI) is a reliable, non-invasive approach for estimating blood flow velocities, vital for cardiovascular diagnostics. Unlike conventional MRI focused on anatomical structures, 4D flow MRI requires high…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Sun Jo , Seok Young Hong , JinHyun Kim , Seungmin Kang , Ahjin Choi , Don-Gwan An , Simon Song , Je Hyeong Hong

In fluid flow imaging, intensity gradients are a good measure of spatial variations in scalar properties, which play an important role in controlling transport processes. However, current flow imaging techniques exhibit system-limited…

光学 · 物理学 2025-10-22 Hy Cao , Abhishek Saha , Lisa V. Poulikakos

Resolving sources beyond the diffraction limit is important in imaging, communications, and metrology. Current image-based methods of super-resolution require phase information (either of the source points or an added filter) and perfect…

光学 · 物理学 2025-12-16 S. A. Wadood , Shaurya Aarav , Kevin Liang , Jason W Fleischer

Mapping buildings and roads automatically with remote sensing typically requires high-resolution imagery, which is expensive to obtain and often sparsely available. In this work we demonstrate how multiple 10 m resolution Sentinel-2 images…