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Position emission tomography (PET) is widely used in clinics and research due to its quantitative merits and high sensitivity, but suffers from low signal-to-noise ratio (SNR). Recently convolutional neural networks (CNNs) have been widely…

Image and Video Processing · Electrical Eng. & Systems 2023-12-12 Se-In Jang , Tinsu Pan , Ye Li , Pedram Heidari , Junyu Chen , Quanzheng Li , Kuang Gong

Hyperspectral object tracking using snapshot mosaic cameras is emerging as it provides enhanced spectral information alongside spatial data, contributing to a more comprehensive understanding of material properties. Using transformers,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Shaheer Mohamed , Tharindu Fernando , Sridha Sridharan , Peyman Moghadam , Clinton Fookes

A target recognition framework relying on near-field integrated sensing and communication (ISAC) systems is proposed. By exploiting the distance-dependent spatial signatures provided by the near-field spherical wavefront, high-accuracy…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Zongyao Zhao , Zhaolin Wang , Lincong Han , Jing Jin , Kaibin Huang

Recently Transformer has been largely explored in tracking and shown state-of-the-art (SOTA) performance. However, existing efforts mainly focus on fusing and enhancing features generated by convolutional neural networks (CNNs). The…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Liting Lin , Heng Fan , Zhipeng Zhang , Yong Xu , Haibin Ling

With the rapid advancement of real-time deepfake generation techniques, forged content is becoming increasingly realistic and widespread across applications like video conferencing and social media. Although state-of-the-art detectors…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Libo Lv , Tianyi Wang , Mengxiao Huang , Ruixia Liu , Yinglong Wang

Recently, Transformer-based architecture has been introduced into single image deraining task due to its advantage in modeling non-local information. However, existing approaches tend to integrate global features based on a dense…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Zhentao Fan , Hongming Chen , Yufeng Li

Graph Transformers (GTs) have demonstrated superior performance compared to traditional message-passing graph neural networks in many studies, especially in processing graph data with long-range dependencies. However, GTs tend to suffer…

Machine Learning · Computer Science 2025-04-30 Zhonghao Li , Ji Shi , Xinming Zhang , Miao Zhang , Bo Li

Transformer-based methods have demonstrated strong potential in hyperspectral pansharpening by modeling long-range dependencies. However, their effectiveness is often limited by redundant token representations and a lack of multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Hongkun Jin , Hongcheng Jiang , Zejun Zhang , Yuan Zhang , Jia Fu , Tingfeng Li , Kai Luo

Attention mechanisms, which enable a neural network to accurately focus on all the relevant elements of the input, have become an essential component to improve the performance of deep neural networks. There are mainly two attention…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Qing-Long Zhang Yu-Bin Yang

Self-supervised learning has demonstrated considerable potential in hyperspectral representation, yet its application in cross-domain transfer scenarios remains under-explored. Existing methods, however, still rely on source domain…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Jianshu Chao , Tianhua Lv , Qiqiong Ma , Yunfei Qiu , Li Fang , Huifang Shen , Wei Yao

Transformers, renowned for their self-attention mechanism, have achieved state-of-the-art performance across various tasks in natural language processing, computer vision, time-series modeling, etc. However, one of the challenges with deep…

Machine Learning · Computer Science 2024-11-04 Jeongwhan Choi , Hyowon Wi , Jayoung Kim , Yehjin Shin , Kookjin Lee , Nathaniel Trask , Noseong Park

Recent advancements in learned image compression (LIC) methods have demonstrated superior performance over traditional hand-crafted codecs. These learning-based methods often employ convolutional neural networks (CNNs) or Transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Hamidreza Soltani , Erfan Ghasemi

Spatio-temporal representational learning has been widely adopted in various fields such as action recognition, video object segmentation, and action anticipation. Previous spatio-temporal representational learning approaches primarily…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Xuefan Zha , Wentao Zhu , Tingxun Lv , Sen Yang , Ji Liu

Template-based discriminative trackers are currently the dominant tracking methods due to their robustness and accuracy, and the Siamese-network-based methods that depend on cross-correlation operation between features extracted from…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Moju Zhao , Kei Okada , Masayuki Inaba

Spiking neural networks (SNNs) mimic brain computational strategies, and exhibit substantial capabilities in spatiotemporal information processing. As an essential factor for human perception, visual attention refers to the dynamic process…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Wuque Cai , Hongze Sun , Rui Liu , Yan Cui , Jun Wang , Yang Xia , Dezhong Yao , Daqing Guo

Recently Transformer-based hyperspectral image (HSI) change detection methods have shown remarkable performance. Nevertheless, existing attention mechanisms in Transformers have limitations in local feature representation. To address this…

Image and Video Processing · Electrical Eng. & Systems 2024-11-22 Ziyi Wang , Feng Gao , Junyu Dong , Qian Du

Scaling Transformers to ultra-long contexts is bottlenecked by the $O(n^2 d)$ cost of self-attention. Existing methods reduce this cost along the sequence axis through local windows, kernel approximations, or token-level sparsity, but these…

Machine Learning · Computer Science 2026-03-31 Yan Xie , Tiansheng Wen , Tangda Huang , Bo Chen , Chenyu You , Stefanie Jegelka , Yifei Wang

Recent object tracking methods depend upon deep networks or convoluted architectures. Most of those trackers can hardly meet real-time processing requirements on mobile platforms with limited computing resources. In this work, we introduce…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Daitao Xing , Nikolaos Evangeliou , Athanasios Tsoukalas , Anthony Tzes

Siamese network based trackers formulate 3D single object tracking as cross-correlation learning between point features of a template and a search area. Due to the large appearance variation between the template and search area during…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Le Hui , Lingpeng Wang , Linghua Tang , Kaihao Lan , Jin Xie , Jian Yang

Self-attention in Transformers is typically implemented as $\mathrm{softmax}(QK^\top/\sqrt{d})V$, where $Q=XW_Q$, $K=XW_K$, and $V=XW_V$ are learned linear projections of the input $X$. We ask whether these learned projections are…

Machine Learning · Computer Science 2026-05-05 Debarshi Kundu , Archisman Ghosh , Swaroop Ghosh , Vasant Honavar