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Hyperspectral image super-resolution is essential for enhancing the spatial fidelity of HSI data, yet existing deep learning methods often struggle with substantial spectral redundancy and the limited non-linear modeling capacity of…

Image and Video Processing · Electrical Eng. & Systems 2026-05-01 Tengya Zhang , Feng Gao , Lin Qi , Junyu Dong , Qian Du

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

Despite the tantalizing success in a broad of vision tasks, transformers have not yet demonstrated on-par ability as ConvNets in high-resolution image generative modeling. In this paper, we seek to explore using pure transformers to build a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Bowen Zhang , Shuyang Gu , Bo Zhang , Jianmin Bao , Dong Chen , Fang Wen , Yong Wang , Baining Guo

In this paper, we present a Hybrid Spectral Denoising Transformer (HSDT) for hyperspectral image denoising. Challenges in adapting transformer for HSI arise from the capabilities to tackle existing limitations of CNN-based methods in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Zeqiang Lai , Chenggang Yan , Ying Fu

We present DARTS, a transformer model for reference-based image super-resolution. DARTS learns joint representations of two image distributions to enhance the content of low-resolution input images through matching correspondences learned…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Masoomeh Aslahishahri , Jordan Ubbens , Ian Stavness

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

Image restoration has witnessed significant advancements with the development of deep learning models. Transformer-based models, particularly those using window-based self-attention, have become a dominant force. However, their performance…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Gang Wu , Junjun Jiang , Kui Jiang , Xianming Liu , Liqiang Nie

Efficiently supporting long context length is crucial for Transformer models. The quadratic complexity of the self-attention computation plagues traditional Transformers. Sliding window-based static sparse attention mitigates the problem by…

Hardware Architecture · Computer Science 2024-05-28 Zhenyu Bai , Pranav Dangi , Huize Li , Tulika Mitra

We introduce Iwin Transformer, a novel position-embedding-free hierarchical vision transformer, which can be fine-tuned directly from low to high resolution, through the collaboration of innovative interleaved window attention and depthwise…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Simin Huo , Ning Li

Fast MRI aims to reconstruct a high fidelity image from partially observed measurements. Exuberant development in fast MRI using deep learning has been witnessed recently. Meanwhile, novel deep learning paradigms, e.g., Transformer based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Jiahao Huang , Xiaodan Xing , Zhifan Gao , Guang Yang

Constrained by the low-rank bottleneck inherent in attention mechanisms, current stereo matching transformers suffer from limited nonlinear expressivity, which renders their feature representations sensitive to challenging conditions such…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Ziyang Chen , Wenting Li , Yongjun Zhang , Yabo Wu , Bingshu Wang , Yong Zhao , C. L. Philip Chen

To address the high resolution of image pixels, the Swin Transformer introduces window attention. This mechanism divides an image into non-overlapping windows and restricts attention computation to within each window, significantly…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Zhendong Zhang

In this paper, we propose HiTSR, a hierarchical transformer model for reference-based image super-resolution, which enhances low-resolution input images by learning matching correspondences from high-resolution reference images. Diverging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Masoomeh Aslahishahri , Jordan Ubbens , Ian Stavness

Unsupervised Domain Adaptation (UDA) aims to utilize labeled data from a source domain to solve tasks in an unlabeled target domain, often hindered by significant domain gaps. Traditional CNN-based methods struggle to fully capture complex…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 A. Enes Doruk , Erhan Oztop , Hasan F. Ates

Recently, Transformers have shown promising performance in various vision tasks. However, the high costs of global self-attention remain challenging for Transformers, especially for high-resolution vision tasks. Local self-attention runs…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Zhemin Zhang , Xun Gong

Low-dose computed tomography (LDCT) and positron emission tomography (PET) have emerged as safer alternatives to conventional imaging modalities by significantly reducing radiation exposure. However, current approaches often face a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Yichao Liu , Hengzhi Xue , YueYang Teng , Junwen Guo

Multi-scale representations are crucial for semantic segmentation. The community has witnessed the flourish of semantic segmentation convolutional neural networks (CNN) exploiting multi-scale contextual information. Motivated by that the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Haotian Yan , Chuang Zhang , Ming Wu

Recent Vision Transformer~(ViT) models have demonstrated encouraging results across various computer vision tasks, thanks to their competence in modeling long-range dependencies of image patches or tokens via self-attention. These models,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-14 Sucheng Ren , Daquan Zhou , Shengfeng He , Jiashi Feng , Xinchao Wang

The encoder-decoder is the typical framework for Neural Machine Translation (NMT), and different structures have been developed for improving the translation performance. Transformer is one of the most promising structures, which can…

Computation and Language · Computer Science 2018-12-11 Kaitao Song , Xu Tan , Furong Peng , Jianfeng Lu

Transformers are quickly becoming one of the most heavily applied deep learning architectures across modalities, domains, and tasks. In vision, on top of ongoing efforts into plain transformers, hierarchical transformers have also gained…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Ali Hassani , Humphrey Shi