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While scale-invariant modeling has substantially boosted the performance of visual recognition tasks, it remains largely under-explored in deep networks based image restoration. Naively applying those scale-invariant techniques (e.g.…

Computer Vision and Pattern Recognition · Computer Science 2019-12-20 Yuchen Fan , Jiahui Yu , Ding Liu , Thomas S. Huang

Single-image super-resolution (SISR) is a fundamental problem in computer vision that aims to reconstruct high-resolution (HR) images from low-resolution (LR) inputs. Although convolutional neural networks (CNNs) have achieved substantial…

Image and Video Processing · Electrical Eng. & Systems 2025-09-10 Akram Khatami-Rizi , Ahmad Mahmoudi-Aznaveh

Modern convolutional neural networks apply the same operations on every pixel in an image. However, not all image regions are equally important. To address this inefficiency, we propose a method to dynamically apply convolutions conditioned…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Thomas Verelst , Tinne Tuytelaars

Single-image super-resolution (SISR) has achieved significant breakthroughs with the development of deep learning. However, these methods are difficult to be applied in real-world scenarios since they are inevitably accompanied by the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Guangwei Gao , Zhengxue Wang , Juncheng Li , Wenjie Li , Yi Yu , Tieyong Zeng

Recent advances in the design of convolutional neural network (CNN) have yielded significant improvements in the performance of image super-resolution (SR). The boost in performance can be attributed to the presence of residual or dense…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Kuldeep Purohit , Srimanta Mandal , A. N. Rajagopalan

Lightweight and efficiency are critical drivers for the practical application of image super-resolution (SR) algorithms. We propose a simple and effective approach, ShuffleMixer, for lightweight image super-resolution that explores large…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Long Sun , Jinshan Pan , Jinhui Tang

Convolutional neural network has recently achieved great success for image restoration (IR) and also offered hierarchical features. However, most deep CNN based IR models do not make full use of the hierarchical features from the original…

Computer Vision and Pattern Recognition · Computer Science 2020-01-24 Yulun Zhang , Yapeng Tian , Yu Kong , Bineng Zhong , Yun Fu

Due to the significant information loss in low-resolution (LR) images, it has become extremely challenging to further advance the state-of-the-art of single image super-resolution (SISR). Reference-based super-resolution (RefSR), on the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Zhifei Zhang , Zhaowen Wang , Zhe Lin , Hairong Qi

Structures matter in single image super-resolution (SISR). Benefiting from generative adversarial networks (GANs), recent studies have promoted the development of SISR by recovering photo-realistic images. However, there are still undesired…

Computer Vision and Pattern Recognition · Computer Science 2021-09-28 Cheng Ma , Yongming Rao , Jiwen Lu , Jie Zhou

Convolutional neural networks (CNNs) have been applied to learn spatial features for high-resolution (HR) synthetic aperture radar (SAR) image classification. However, there has been little work on integrating the unique statistical…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Wenkai Liang , Yan Wu , Ming Li , Peng Zhang , Yice Cao , Xin Hu

With the effective application of deep learning in computer vision, breakthroughs have been made in the research of super-resolution images reconstruction. However, many researches have pointed out that the insufficiency of the neural…

Image and Video Processing · Electrical Eng. & Systems 2021-06-11 Yibo Guo , Haidi Wang , Yiming Fan , Shunyao Li , Mingliang Xu

Burst super-resolution (BurstSR) aims at reconstructing a high-resolution (HR) image from a sequence of low-resolution (LR) and noisy images, which is conducive to enhancing the imaging effects of smartphones with limited sensors. The main…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Renlong Wu , Zhilu Zhang , Shuohao Zhang , Hongzhi Zhang , Wangmeng Zuo

In this paper, we present a robust method for scene recognition, which leverages Convolutional Neural Networks (CNNs) features and Sparse Coding setting by creating a new representation of indoor scenes. Although CNNs highly benefited the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Guilherme Nascimento , Camila Laranjeira , Vinicius Braz , Anisio Lacerda , Erickson R. Nascimento

While super-resolution (SR) methods based on diffusion models exhibit promising results, their practical application is hindered by the substantial number of required inference steps. Recent methods utilize degraded images in the initial…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Yufei Wang , Wenhan Yang , Xinyuan Chen , Yaohui Wang , Lanqing Guo , Lap-Pui Chau , Ziwei Liu , Yu Qiao , Alex C. Kot , Bihan Wen

The latest deep learning approaches perform better than the state-of-the-art signal processing approaches in various image restoration tasks. However, if an image contains many patterns and structures, the performance of these CNNs is still…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Woong Bae , Jaejun Yoo , Jong Chul Ye

Training Convolutional Neural Networks (CNN) is a resource intensive task that requires specialized hardware for efficient computation. One of the most limiting bottleneck of CNN training is the memory cost associated with storing the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Tristan Hascoet , Quentin Febvre , Yasuo Ariki , Tetsuya Takiguchi

Over the past few years, a significant progress has been made in deep convolutional neural networks (CNNs)-based image recognition. This is mainly due to the strong ability of such networks in mining discriminative object pose and parts…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

Deep learning techniques have been applied in the context of image super-resolution (SR), achieving remarkable advances in terms of reconstruction performance. Existing techniques typically employ highly complex model structures which…

Image and Video Processing · Electrical Eng. & Systems 2024-11-22 Yuxuan Jiang , Jakub Nawala , Fan Zhang , David Bull

Super-resolution plays an essential role in medical imaging because it provides an alternative way to achieve high spatial resolutions and image quality with no extra acquisition costs. In the past few decades, the rapid development of deep…

Image and Video Processing · Electrical Eng. & Systems 2023-03-06 Jin Zhu , Guang Yang , Pietro Lio

We propose a deep learning method for single image super-resolution (SR). Our method directly learns an end-to-end mapping between the low/high-resolution images. The mapping is represented as a deep convolutional neural network (CNN) that…

Computer Vision and Pattern Recognition · Computer Science 2015-08-03 Chao Dong , Chen Change Loy , Kaiming He , Xiaoou Tang