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Real-world image super-resolution aims to recover high-quality images from complex and unknown real-world degradations. However, existing generative Real-ISR methods largely inherit the dense latent representations and quadratic-cost global…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Bingtian Qiao , Yue Shi , Yingjie Zhou , Yong Guo , Guangtao Zhai , Jiezhang Cao

In this paper, we proposed large selective kernel and sparse attention network (LSKSANet) for remote sensing image semantic segmentation. The LSKSANet is a lightweight network that effectively combines convolution with sparse attention…

图像与视频处理 · 电气工程与系统科学 2024-06-04 Miao Fu , Feng Gao , Ruzhuang Hua , Yanhai Gan , Xiaowei Zhou , Yang Zhou

Although deep convolutional neural networks (CNNs) have obtained outstanding performance in image superresolution (SR), their computational cost increases geometrically as CNN models get deeper and wider. Meanwhile, the features of…

图像与视频处理 · 电气工程与系统科学 2019-12-02 Seongmin Hwang , Gwanghuyn Yu , Cheolkon Jung , Jinyoung Kim

Transformer-based methods have demonstrated impressive performance in low-level visual tasks such as Image Super-Resolution (SR). However, its computational complexity grows quadratically with the spatial resolution. A series of works…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Xin Liu , Jie Liu , Jie Tang , Gangshan Wu

Non-Local Attention (NLA) brings significant improvement for Single Image Super-Resolution (SISR) by leveraging intrinsic feature correlation in natural images. However, NLA gives noisy information large weights and consumes quadratic…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Bin Xia , Yucheng Hang , Yapeng Tian , Wenming Yang , Qingmin Liao , Jie Zhou

Despite the breakthroughs in accuracy and speed of single image super-resolution using faster and deeper convolutional neural networks, one central problem remains largely unsolved: how do we recover the finer texture details when we…

Single image super-resolution (SISR) deals with a fundamental problem of upsampling a low-resolution (LR) image to its high-resolution (HR) version. Last few years have witnessed impressive progress propelled by deep learning methods.…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Wenbo Li , Kun Zhou , Lu Qi , Nianjuan Jiang , Jiangbo Lu , Jiaya Jia

Spatial resolution adaptation is a technique which has often been employed in video compression to enhance coding efficiency. This approach encodes a lower resolution version of the input video and reconstructs the original resolution…

图像与视频处理 · 电气工程与系统科学 2021-06-16 Di Ma , Mariana Afonso , Fan Zhang , David R. Bull

2D convolutional neural networks (CNNs) have attracted significant attention for hyperspectral image super-resolution tasks. However, a key limitation is their reliance on local neighborhoods, which leads to a lack of global contextual…

图像与视频处理 · 电气工程与系统科学 2025-06-06 Usman Muhammad , Jorma Laaksonen

Recent image degradation estimation methods have enabled single-image super-resolution (SR) approaches to better upsample real-world images. Among these methods, explicit kernel estimation approaches have demonstrated unprecedented…

计算机视觉与模式识别 · 计算机科学 2023-11-01 Royson Lee , Rui Li , Stylianos I. Venieris , Timothy Hospedales , Ferenc Huszár , Nicholas D. Lane

Deep convolutional neural networks (DCNNs) have recently demonstrated high-quality results in single-image super-resolution (SR). DCNNs often suffer from over-parametrization and large amounts of redundancy, which results in inefficient…

计算机视觉与模式识别 · 计算机科学 2018-12-18 Yinglan Ma , Hongyu Xiong , Zhe Hu , Lizhuang Ma

Recently, deep learning has been successfully applied to the single-image super-resolution (SISR) with remarkable performance. However, most existing methods focus on building a more complex network with a large number of layers, which can…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Wenbin Zou , Tian Ye , Weixin Zheng , Yunchen Zhang , Liang Chen , Yi Wu

We propose a simple yet effective model for Single Image Super-Resolution (SISR), by combining the merits of Residual Learning and Convolutional Sparse Coding (RL-CSC). Our model is inspired by the Learned Iterative Shrinkage-Threshold…

计算机视觉与模式识别 · 计算机科学 2019-01-01 Menglei Zhang , Zhou Liu , Lei Yu

Convolutional Neural Networks have been the backbone of recent rapid progress in Single-Image Super-Resolution. However, existing networks are very deep with many network parameters, thus having a large memory footprint and being…

计算机视觉与模式识别 · 计算机科学 2018-04-24 George Seif , Dimitrios Androutsos

In recent years, the use of large convolutional kernels has become popular in designing convolutional neural networks due to their ability to capture long-range dependencies and provide large receptive fields. However, the increase in…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Gang Wu , Junjun Jiang , Yuanchao Bai , Xianming Liu

Digital Rock Imaging is constrained by detector hardware, and a trade-off between the image field of view (FOV) and the image resolution must be made. This can be compensated for with super resolution (SR) techniques that take a wide FOV,…

图像与视频处理 · 电气工程与系统科学 2020-02-18 Ying Da Wang , Ryan T. Armstrong , Peyman Mostaghimi

Super-resolution (SR) is a technique that allows increasing the resolution of a given image. Having applications in many areas, from medical imaging to consumer electronics, several SR methods have been proposed. Currently, the best…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Marija Vella , João F. C. Mota

Deep learning methods have shown outstanding performance in many applications, including single-image super-resolution (SISR). With residual connection architecture, deeply stacked convolutional neural networks provide a substantial…

图像与视频处理 · 电气工程与系统科学 2022-01-02 Karam Park , Jae Woong Soh , Nam Ik Cho

Conventional supervised super-resolution (SR) approaches are trained with massive external SR datasets but fail to exploit desirable properties of the given test image. On the other hand, self-supervised SR approaches utilize the internal…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Seobin Park , Jinsu Yoo , Donghyeon Cho , Jiwon Kim , Tae Hyun Kim

Compared with the conventional 1*1 acquisition mode of projection in computed tomography (CT) image reconstruction, the 2*2 acquisition mode improves the collection efficiency of the projection and reduces the X-ray exposure time. However,…

医学物理 · 物理学 2020-08-10 Chao Tang , Wenkun Zhang , Linyuan Wang , Ailong Cai , Ningning Liang , Lei Li , Bin Yan