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In this work, we investigate the understudied effect of the training data used for image super-resolution (SR). Most commonly, novel SR methods are developed and benchmarked on common training datasets such as DIV2K and DF2K. However, we…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Go Ohtani , Ryu Tadokoro , Ryosuke Yamada , Yuki M. Asano , Iro Laina , Christian Rupprecht , Nakamasa Inoue , Rio Yokota , Hirokatsu Kataoka , Yoshimitsu Aoki

Recently there has been an interest in the potential of learning generative models from a single image, as opposed to from a large dataset. This task is of practical significance, as it means that generative models can be used in domains…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Tobias Hinz , Matthew Fisher , Oliver Wang , Stefan Wermter

In scientific machine learning, regression networks have been recently applied to approximate solution maps (e.g., potential-ground state map of Schr\"odinger equation). In this paper, we aim to reduce the generalization error without…

数值分析 · 数学 2021-02-16 Zhihan Li , Yuwei Fan , Lexing Ying

Pan-sharpening aims at producing a high-resolution (HR) multi-spectral (MS) image from a low-resolution (LR) multi-spectral (MS) image and its corresponding panchromatic (PAN) image acquired by a same satellite. Inspired by a new fashion in…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Huanyu Zhou , Qingjie Liu , Yunhong Wang

All-in-one image restoration tasks are becoming increasingly important, especially for ultra-high-definition (UHD) images. Existing all-in-one UHD image restoration methods usually boost the model's performance by introducing prompt or…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Xin Su , Zhuoran Zheng , Chen Wu

The objective of pansharpening and hypersharpening is to accurately combine a high-resolution panchromatic (PAN) image with a low-resolution multispectral (MS) or hyperspectral (HS) image, respectively. Unfolding fusion methods integrate…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Ivan Pereira-Sánchez , Eloi Sans , Julia Navarro , Joan Duran

Pansharpening aims to generate high-resolution multispectral (HRMS) images by fusing low-resolution multispectral (LRMS) and high-resolution panchromatic (PAN) images. Although deep learning has advanced this field, mainstream…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Jianing Zhang , Zijian Zhou , Kai Sun

The superior performance of modern visual backbones usually comes with a costly training procedure. We contribute to this issue by generalizing the idea of curriculum learning beyond its original formulation, i.e., training models using…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Yulin Wang , Yang Yue , Rui Lu , Yizeng Han , Shiji Song , Gao Huang

Generalizable Image Super-Resolution aims to enhance model generalization capabilities under unknown degradations. To achieve this goal, the models are expected to focus only on image content-related features instead of overfitting…

计算机视觉与模式识别 · 计算机科学 2025-09-19 Hongjun Wang , Jiyuan Chen , Zhengwei Yin , Xuan Song , Yinqiang Zheng

Few-shot image classification remains challenging due to the scarcity of labeled training examples. Augmenting them with synthetic data has emerged as a promising way to alleviate this issue, but models trained on synthetic samples often…

机器学习 · 计算机科学 2025-06-26 Lan-Cuong Nguyen , Quan Nguyen-Tri , Bang Tran Khanh , Dung D. Le , Long Tran-Thanh , Khoat Than

Deep learning has substantially advanced pansharpening, achieving impressive fusion quality. However, a prevalent limitation is that conventional deep learning models, which typically rely on training datasets, often exhibit suboptimal…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Haorui Chen , Zeyu Ren , Jiaxuan Ren , Ran Ran , Jinliang Shao , Jie Huang , Liangjian Deng

Full Waveform Inversion (FWI) is a highly nonlinear and ill-posed problem that aims to recover subsurface velocity maps from surface-recorded seismic waveforms data. Existing data-driven FWI typically uses small models, as available…

机器学习 · 计算机科学 2026-05-29 Yinan Feng , Peng Jin , Yuzhe Guo , Yinpeng Chen , Youzuo Lin

Image restoration, or inverse problems in image processing, has long been an extensively studied topic. In recent years supervised learning approaches have become a popular strategy attempting to tackle this task. Unfortunately, most…

图像与视频处理 · 电气工程与系统科学 2024-09-24 Deborah Pereg

Reinforcement learning (RL) promises a framework for near-universal problem-solving. In practice however, RL algorithms are often tailored to specific benchmarks, relying on carefully tuned hyperparameters and algorithmic choices. Recently,…

机器学习 · 计算机科学 2025-01-28 Scott Fujimoto , Pierluca D'Oro , Amy Zhang , Yuandong Tian , Michael Rabbat

The state of the art in video super-resolution (SR) are techniques based on deep learning, but they perform poorly on real-world videos (see Figure 1). The reason is that training image-pairs are commonly created by downscaling a…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Noam Elron , Alex Itskovich , Shahar S. Yuval , Noam Levy

Fusion of a panchromatic (PAN) image and corresponding multispectral (MS) image is also known as pansharpening, which aims to combine abundant spatial details of PAN and spectral information of MS. Due to the absence of high-resolution MS…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Yinghui Xing , Litao Qu , Shizhou Zhang , Kai Zhang , Yanning Zhang

Super-Resolution is the technique to improve the quality of a low-resolution photo by boosting its plausible resolution. The computer vision community has extensively explored the area of Super-Resolution. However, previous Super-Resolution…

图像与视频处理 · 电气工程与系统科学 2022-04-20 Ankur Singh , Piyush Rai

Generalist robot policies, trained on large and diverse datasets, have demonstrated the ability to generalize across a wide spectrum of behaviors, enabling a single policy to act in varied real-world environments. However, they still fall…

机器人学 · 计算机科学 2026-03-03 Yajat Yadav , Zhiyuan Zhou , Andrew Wagenmaker , Karl Pertsch , Sergey Levine

Despite the significant progress made by all-in-one models in universal image restoration, existing methods suffer from a generalization bottleneck in real-world scenarios, as they are mostly trained on small-scale synthetic datasets with…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Hao Li , Xiang Chen , Jiangxin Dong , Jinhui Tang , Jinshan Pan

Deep Reinforcement Learning has shown great success in a variety of control tasks. However, it is unclear how close we are to the vision of putting Deep RL into practice to solve real world problems. In particular, common practice in the…

机器学习 · 计算机科学 2019-02-21 Chenyang Zhao , Olivier Sigaud , Freek Stulp , Timothy M. Hospedales