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Transformer-based models have achieved remarkable results in low-level vision tasks including image super-resolution (SR). However, early Transformer-based approaches that rely on self-attention within non-overlapping windows encounter…

Image and Video Processing · Electrical Eng. & Systems 2024-04-18 Cansu Korkmaz , A. Murat Tekalp

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

Vision Transformers are very popular nowadays due to their state-of-the-art performance in several computer vision tasks, such as image classification and action recognition. Although their performance has been greatly enhanced through…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Dimitrios Konstantinidis , Ilias Papastratis , Kosmas Dimitropoulos , Petros Daras

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

Single-pixel imaging (SPI) is a potential computational imaging technique which produces image by solving an illposed reconstruction problem from few measurements captured by a single-pixel detector. Deep learning has achieved impressive…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Gang Qu , Ping Wang , Xin Yuan

Recently, window-based attention methods have shown great potential for computer vision tasks, particularly in Single Image Super-Resolution (SISR). However, it may fall short in capturing long-range dependencies and relationships between…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Dinh Phu Tran , Dao Duy Hung , Daeyoung Kim

While convolutional neural networks have shown a tremendous impact on various computer vision tasks, they generally demonstrate limitations in explicitly modeling long-range dependencies due to the intrinsic locality of the convolution…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Guanglei Yang , Hao Tang , Mingli Ding , Nicu Sebe , Elisa Ricci

Transformer has been applied in the field of computer vision due to its excellent performance in natural language processing, surpassing traditional convolutional neural networks and achieving new state-of-the-art. ViT divides an image into…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Yuang Liu , Zhiheng Qiu , Xiaokai Qin

Hyperspectral image super-resolution has attained widespread prominence to enhance the spatial resolution of hyperspectral images. However, convolution-based methods have encountered challenges in harnessing the global spatial-spectral…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Shi Chen , Lefei Zhang , Liangpei Zhang

Humans possess remarkable ability to accurately classify new, unseen images after being exposed to only a few examples. Such ability stems from their capacity to identify common features shared between new and previously seen images while…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Weihao Jiang , Chang Liu , Kun He

Transformer-based models have emerged as a leading architecture for natural language processing, natural language generation, and image generation tasks. A fundamental element of the transformer architecture is self-attention, which allows…

Machine Learning · Computer Science 2025-07-01 Venmugil Elango

Recently Transformer has shown good performance in several vision tasks due to its powerful modeling capabilities. To reduce the quadratic complexity caused by the attention, some outstanding work restricts attention to local regions or…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Fangjian Lin , Yizhe Ma , Sitong Wu , Long Yu , Shengwei Tian

Low-light image enhancement aims to improve the perception of images collected in dim environments and provide high-quality data support for image recognition tasks. When dealing with photos captured under non-uniform illumination, existing…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Xiao Fang , Xin Gao , Baofeng Li , Feng Zhai , Yu Qin , Zhihang Meng , Jiansheng Lu , Chun Xiao

One of the crucial challenges taken in document analysis is mathematical expression recognition. Unlike text recognition which only focuses on one-dimensional structure images, mathematical expression recognition is a much more complicated…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Anh Duy Le , Van Linh Pham , Vinh Loi Ly , Nam Quan Nguyen , Huu Thang Nguyen , Tuan Anh Tran

Transformer has recently gained considerable popularity in low-level vision tasks, including image super-resolution (SR). These networks utilize self-attention along different dimensions, spatial or channel, and achieve impressive…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Zheng Chen , Yulun Zhang , Jinjin Gu , Linghe Kong , Xiaokang Yang , Fisher Yu

Transformer-based approaches have gained significant attention in image restoration, where the core component, i.e, Multi-Head Attention (MHA), plays a crucial role in capturing diverse features and recovering high-quality results. In MHA,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Shihao Zhou , Dayu Li , Jinshan Pan , Juncheng Zhou , Jinglei Shi , Jufeng Yang

Modern vision transformers leverage visually inspired local interaction between pixels through attention computed within window or grid regions, in contrast to the global attention employed in the original ViT. Regional attention restricts…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Nabil Ibtehaz , Ning Yan , Masood Mortazavi , Daisuke Kihara

Human Activity Recognition (HAR) using wearable sensor data has become a central task in mobile computing, healthcare, and human-computer interaction. Despite the success of traditional deep learning models such as CNNs and RNNs, they often…

Machine Learning · Computer Science 2025-05-27 Yunbo Liu , Xukui Qin , Yifan Gao , Xiang Li , Chengwei Feng

Actions are about how we interact with the environment, including other people, objects, and ourselves. In this paper, we propose a novel multi-modal Holistic Interaction Transformer Network (HIT) that leverages the largely ignored, but…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Gueter Josmy Faure , Min-Hung Chen , Shang-Hong Lai

Most existing cross-modal retrieval methods employ two-stream encoders with different architectures for images and texts, \textit{e.g.}, CNN for images and RNN/Transformer for texts. Such discrepancy in architectures may induce different…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Yi Bin , Haoxuan Li , Yahui Xu , Xing Xu , Yang Yang , Heng Tao Shen