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Reference-based image super-resolution (RefSR) aims to exploit auxiliary reference (Ref) images to super-resolve low-resolution (LR) images. Recently, RefSR has been attracting great attention as it provides an alternative way to surpass…

Computer Vision and Pattern Recognition · Computer Science 2022-08-08 Jiezhang Cao , Jingyun Liang , Kai Zhang , Yawei Li , Yulun Zhang , Wenguan Wang , Luc Van Gool

Convolutional neural networks have allowed remarkable advances in single image super-resolution (SISR) over the last decade. Among recent advances in SISR, attention mechanisms are crucial for high-performance SR models. However, the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-09 Haoyu Chen , Jinjin Gu , Zhi Zhang

Hyperspectral image (HSI) and synthetic aperture radar (SAR) data joint classification is a crucial and yet challenging task in the field of remote sensing image interpretation. However, feature modeling in existing methods is deficient to…

Image and Video Processing · Electrical Eng. & Systems 2024-08-26 Han Luo , Feng Gao , Junyu Dong , Lin Qi

Face super-resolution is a technology that transforms a low-resolution face image into the corresponding high-resolution one. In this paper, we build a novel parsing map guided face super-resolution network which extracts the face prior…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Chenyang Wang , Junjun Jiang , Zhiwei Zhong , Deming Zhai , Xianming Liu

Hyperspectral imaging can help better understand the characteristics of different materials, compared with traditional image systems. However, only high-resolution multispectral (HrMS) and low-resolution hyperspectral (LrHS) images can…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Qi Xie , Minghao Zhou , Qian Zhao , Deyu Meng , Wangmeng Zuo , Zongben Xu

Recently, deep convolutional neural networks (CNNs) have been widely explored in single image super-resolution (SISR) and contribute remarkable progress. However, most of the existing CNNs-based SISR methods do not adequately explore…

Image and Video Processing · Electrical Eng. & Systems 2021-04-22 Jiqing Zhang , Chengjiang Long , Yuxin Wang , Haiyin Piao , Haiyang Mei , Xin Yang , Baocai Yin

Recently, various deep-neural-network (DNN)-based approaches have been proposed for single-image super-resolution (SISR). Despite their promising results on major structure regions such as edges and lines, they still suffer from limited…

Computer Vision and Pattern Recognition · Computer Science 2016-12-02 Il Jun Ahn , Woo Hyun Nam

Transformer architectures have exhibited remarkable performance in image super-resolution (SR). Since the quadratic computational complexity of the self-attention (SA) in Transformer, existing methods tend to adopt SA in a local region to…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Zheng Chen , Yulun Zhang , Jinjin Gu , Linghe Kong , Xiaokang Yang

Query-based image retrieval (QBIR) requires retrieving relevant images given diverse and often stylistically heterogeneous queries, such as sketches, artworks, or low-resolution previews. While large-scale vision--language representation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yujia Cai , Boxuan Li , Chenghao Xu , Jiexi Yan

Deep convolutional neural networks (CNNs) have obtained remarkable performance in single image super-resolution (SISR). However, very deep networks can suffer from training difficulty and hardly achieve further performance gain. There are…

Image and Video Processing · Electrical Eng. & Systems 2022-11-18 Alexander Panaetov , Karim Elhadji Daou , Igor Samenko , Evgeny Tetin , Ilya Ivanov

Video super-resolution (VSR), with the aim to restore a high-resolution video from its corresponding low-resolution version, is a spatial-temporal sequence prediction problem. Recently, Transformer has been gaining popularity due to its…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Jiezhang Cao , Yawei Li , Kai Zhang , Luc Van Gool

We here propose a novel hierarchical transformer model that adeptly integrates the feature extraction capabilities of Convolutional Neural Networks (CNNs) with the advanced representational potential of Vision Transformers (ViTs).…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Xiaoya Tang , Bodong Zhang , Beatrice S. Knudsen , Tolga Tasdizen

Remote sensing image super-resolution (RSISR) plays a vital role in enhancing spatial detials and improving the quality of satellite imagery. Recently, Transformer-based models have shown competitive performance in RSISR. To mitigate the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Yuting Lu , Lingtong Min , Binglu Wang , Le Zheng , Xiaoxu Wang , Yongqiang Zhao , Teng Long

Deep neural networks have greatly promoted the performance of single image super-resolution (SISR). Conventional methods still resort to restoring the single high-resolution (HR) solution only based on the input of image modality. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Chenxi Ma , Bo Yan , Qing Lin , Weimin Tan , Siming Chen

Single Image Super Resolution (SISR) is a well-researched problem with broad commercial relevance. However, most of the SISR literature focuses on small-size images under 500px, whereas business needs can mandate the generation of very high…

Computer Vision and Pattern Recognition · Computer Science 2019-01-15 Harsh Nilesh Pathak , Xinxin Li , Shervin Minaee , Brooke Cowan

It is widely agreed that reference-based super-resolution (RefSR) achieves superior results by referring to similar high quality images, compared to single image super-resolution (SISR). Intuitively, the more references, the better…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Lin Zhang , Xin Li , Dongliang He , Errui Ding , Zhaoxiang Zhang

Image Super-Resolution (SR) aims to recover a high-resolution image from its low-resolution counterpart, which has been affected by a specific degradation process. This is achieved by enhancing detail and visual quality. Recent advancements…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Debasish Dutta , Deepjyoti Chetia , Neeharika Sonowal , Sanjib Kr Kalita

In recent years, Vision Transformer-based approaches for low-level vision tasks have achieved widespread success. Unlike CNN-based models, Transformers are more adept at capturing long-range dependencies, enabling the reconstruction of…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Chih-Chung Hsu , Chia-Ming Lee , Yi-Shiuan Chou

Transformer based models are increasingly being used in various domains including recommender systems (RS). Pretrained transformer models such as BERT have shown good performance at language modelling. With the greater ability to model…

Information Retrieval · Computer Science 2025-01-03 Uzma Mushtaque

Recent transformer-based super-resolution (SR) methods have achieved promising results against conventional CNN-based methods. However, these approaches suffer from essential shortsightedness created by only utilizing the standard…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Jinsu Yoo , Taehoon Kim , Sihaeng Lee , Seung Hwan Kim , Honglak Lee , Tae Hyun Kim