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Being extremely dependent on iterative estimation of the degradation prior or optimization of the model from scratch, the existing blind super-resolution (SR) methods are generally time-consuming and less effective, as the estimation of…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Yuanfei Huang , Jie Li , Yanting Hu , Xinbo Gao , Hua Huang

We present a novel approach to leverage prior knowledge encapsulated in pre-trained text-to-image diffusion models for blind super-resolution (SR). Specifically, by employing our time-aware encoder, we can achieve promising restoration…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Jianyi Wang , Zongsheng Yue , Shangchen Zhou , Kelvin C. K. Chan , Chen Change Loy

The presence of residual and dense neural networks which greatly promotes the development of image Super-Resolution(SR) have witnessed a lot of impressive results. Depending on our observation, although more layers and connections could…

图像与视频处理 · 电气工程与系统科学 2020-02-21 Yuan Ma , Kewen Liu , Hongxia Xiong , Panpan Fang , Xiaojun Li , Yalei Chen , Chaoyang Liu

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

This work studies Hyperspectral image (HSI) super-resolution (SR). HSI SR is characterized by high-dimensional data and a limited amount of training examples. This exacerbates the undesirable behaviors of neural networks such as…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Ke Li , Dengxin Dai , Ender Konukoglu , Luc Van Gool

Generative Adversarial Networks (GANs) have shown great performance on super-resolution problems since they can generate more visually realistic images and video frames. However, these models often introduce side effects into the outputs,…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Xijun Wang , Santiago López-Tapia , Alice Lucas , Xinyi Wu , Rafael Molina , Aggelos K. Katsaggelos

To solve the ill-posed problem of hyperspectral image super-resolution (HSISR), an usually method is to use the prior information of the hyperspectral images (HSIs) as a regularization term to constrain the objective function. Model-based…

图像与视频处理 · 电气工程与系统科学 2021-11-30 Qing Ma , Junjun Jiang , Xianming Liu , Jiayi Ma

Pathology image are essential for accurately interpreting lesion cells in cytopathology screening, but acquiring high-resolution digital slides requires specialized equipment and long scanning times. Though super-resolution (SR) techniques…

计算机视觉与模式识别 · 计算机科学 2024-06-27 Wenting Chen , Jie Liu , Tommy W. S. Chow , Yixuan Yuan

Hyperspectral single image super-resolution (SISR) aims to enhance spatial resolution while preserving the rich spectral information of hyperspectral images. Most existing methods rely on supervised learning with high-resolution ground…

图像与视频处理 · 电气工程与系统科学 2026-02-05 Xinxin Xu , Yann Gousseau , Christophe Kervazo , Saïd Ladjal

Single image super-resolution (SR) is an ill-posed problem which aims to recover high-resolution (HR) images from their low-resolution (LR) observations. The crux of this problem lies in learning the complex mapping between low-resolution…

计算机视觉与模式识别 · 计算机科学 2017-01-05 Ding Liu , Zhaowen Wang , Nasser Nasrabadi , Thomas Huang

In numerous contexts, high-resolution solutions to partial differential equations are required to capture faithfully essential dynamics which occur at small spatiotemporal scales, but these solutions can be very difficult and slow to obtain…

机器学习 · 计算机科学 2024-04-09 Valentin Duruisseaux , Amit Chakraborty

Image super-resolution (SR) is an effective way to enhance the spatial resolution and detail information of remote sensing images, to obtain a superior visual quality. As SR is severely ill-conditioned, effective image priors are necessary…

计算机视觉与模式识别 · 计算机科学 2024-12-16 Jing Sun , Huanfeng Shen , Qiangqiang Yuan , Liangpei Zhang

Diffusion prior-based methods have shown impressive results in real-world image super-resolution (SR). However, most existing methods entangle pixel-level and semantic-level SR objectives in the training process, struggling to balance…

计算机视觉与模式识别 · 计算机科学 2025-04-04 Lingchen Sun , Rongyuan Wu , Zhiyuan Ma , Shuaizheng Liu , Qiaosi Yi , Lei Zhang

To overcome inherent hardware limitations of hyperspectral imaging systems with respect to their spatial resolution, fusion-based hyperspectral image (HSI) super-resolution is attracting increasing attention. This technique aims to fuse a…

图像与视频处理 · 电气工程与系统科学 2022-01-25 Xiuheng Wang , Jie Chen , Cédric Richard

Color information is the most commonly used prior knowledge for depth map super-resolution (DSR), which can provide high-frequency boundary guidance for detail restoration. However, its role and functionality in DSR have not been fully…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Runmin Cong , Ronghui Sheng , Hao Wu , Yulan Guo , Yunchao Wei , Wangmeng Zuo , Yao Zhao , Sam Kwong

The effective utilization of observational data is frequently hindered by insufficient resolution. To address this problem, we present a new spatio-temporal super-resolution (STSR) model, called InWaveSR. It is built on a deep learning…

信号处理 · 电气工程与系统科学 2025-09-19 Xinjie Wang , Zhongrui Li , Peng Han , Chunxin Yuan , Jiexin Xu , Zhiqiang Wei , Jie Nie

Super-resolution (SR) for image enhancement has great importance in medical image applications. Broadly speaking, there are two types of SR, one requires multiple low resolution (LR) images from different views of the same object to be…

图像与视频处理 · 电气工程与系统科学 2018-10-17 Jin Zhu , Guang Yang , Pietro Lio

Compressed Image Super-resolution has achieved great attention in recent years, where images are degraded with compression artifacts and low-resolution artifacts. Since the complex hybrid distortions, it is hard to restore the distorted…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Bingchen Li , Xin Li , Yiting Lu , Sen Liu , Ruoyu Feng , Zhibo Chen

The long acquisition time has limited the accessibility of magnetic resonance imaging (MRI) because it leads to patient discomfort and motion artifacts. Although several MRI techniques have been proposed to reduce the acquisition time,…

图像与视频处理 · 电气工程与系统科学 2023-02-22 Zhifan Gao , Yifeng Guo , Jiajing Zhang , Tieyong Zeng , Guang Yang

Generative models for Image Super-Resolution (SR) are increasingly powerful, yet their reliance on self-attention's quadratic complexity (O(N^2)) creates a major computational bottleneck. Linear Attention offers an O(N) solution, but its…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Xiaohui Li , Shaobin Zhuang , Shuo Cao , Yang Yang , Yuandong Pu , Qi Qin , Siqi Luo , Bin Fu , Yihao Liu