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Transformer-based methods have shown impressive performance in image restoration tasks, such as image super-resolution and denoising. However, we find that these networks can only utilize a limited spatial range of input information through…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Xiangyu Chen , Xintao Wang , Wenlong Zhang , Xiangtao Kong , Yu Qiao , Jiantao Zhou , Chao Dong

The rapid development of generative AI has made AI-generated images increasingly realistic and high-resolution. Most AI-generated image detection architectures typically downsample images before inputting them into models, risking the loss…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Lawrence Han

Implicit neural networks have emerged as a crucial technology in 3D surface reconstruction. To reconstruct continuous surfaces from discrete point clouds, encoding the input points into regular grid features (plane or volume) has been…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Shengtao Li , Ge Gao , Yudong Liu , Yu-Shen Liu , Ming Gu

Graph Transformers (GTs) have shown advantages in numerous graph structure tasks but their self-attention mechanism ignores the generalization bias of graphs, with existing methods mainly compensating for this bias from aspects like…

Machine Learning · Computer Science 2025-04-29 Yonghui Zhai , Yang Zhang , Minghao Shang , Lihua Pang , Yaxin Ren

We address representation learning for large-scale instance-level image retrieval. Apart from backbone, training pipelines and loss functions, popular approaches have focused on different spatial pooling and attention mechanisms, which are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Chull Hwan Song , Hye Joo Han , Yannis Avrithis

Hyperspectral image (HSI) denoising is critical for the effective analysis and interpretation of hyperspectral data. However, simultaneously modeling global and local features is rarely explored to enhance HSI denoising. In this letter, we…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Shuai Hu , Feng Gao , Xiaowei Zhou , Junyu Dong , Qian Du

We present an attention-based spatial graph convolution (AGC) for graph neural networks (GNNs). Existing AGCs focus on only using node-wise features and utilizing one type of attention function when calculating attention weights. Instead,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yang Li , Yuichi Tanaka

In this work, we present RadioTransformer, a novel visual attention-driven transformer framework, that leverages radiologists' gaze patterns and models their visuo-cognitive behavior for disease diagnosis on chest radiographs. Domain…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Moinak Bhattacharya , Shubham Jain , Prateek Prasanna

Unsupervised anomaly detection of multivariate time series is a challenging task, given the requirements of deriving a compact detection criterion without accessing the anomaly points. The existing methods are mainly based on reconstruction…

Machine Learning · Computer Science 2026-05-26 Qingxiang Liu , Xiaoliang Luo , Chenghao Liu , Sheng Sun , Di Yao , Lvchun Wang , Wei Yu , Yuxuan Liang

Recent advances in vision transformers (ViTs) have achieved great performance in visual recognition tasks. Convolutional neural networks (CNNs) exploit spatial inductive bias to learn visual representations, but these networks are spatially…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Youpeng Zhao , Huadong Tang , Yingying Jiang , Yong A , Qiang Wu

Data-hungry HSI classification methods require high-quality labeled HSIs, which are often costly to obtain. This characteristic limits the performance potential of data-driven methods when dealing with limited annotated samples. Bridging…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Xizhe Xue , Haokui Zhang , Haizhao Jing , Lijie Tao , Zongwen Bai , Ying Li

In recent years, transformer-based methods have achieved remarkable progress in medical image segmentation due to their superior ability to capture long-range dependencies. However, these methods typically suffer from two major limitations.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Zunhui Xia , Hongxing Li , Libin Lan

Due to the computational complexity of self-attention (SA), prevalent techniques for image deblurring often resort to either adopting localized SA or employing coarse-grained global SA methods, both of which exhibit drawbacks such as…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Xintian Mao , Jiansheng Wang , Xingran Xie , Qingli Li , Yan Wang

Attention-based models, exemplified by the Transformer, can effectively model long range dependency, but suffer from the quadratic complexity of self-attention operation, making them difficult to be adopted for high-resolution image…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Long Zhao , Zizhao Zhang , Ting Chen , Dimitris N. Metaxas , Han Zhang

Recognition of low-quality face images remains a challenge due to invisible or deformation in partial facial regions. For low-quality images dominated by missing partial facial regions, local region similarity contributes more to face…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Wang Yu , Wei Wei

Existing Transformer-based RGBT trackers achieve remarkable performance benefits by leveraging self-attention to extract uni-modal features and cross-attention to enhance multi-modal feature interaction and template-search correlation…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Yun Xiao , Jiacong Zhao , Andong Lu , Chenglong Li , Yin Lin , Bing Yin , Cong Liu

Transformer-based models have made remarkable progress in image restoration (IR) tasks. However, the quadratic complexity of self-attention in Transformer hinders its applicability to high-resolution images. Existing methods mitigate this…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Yuang Ai , Huaibo Huang , Tao Wu , Qihang Fan , Ran He

Degraded images commonly exist in the general sources of character images, leading to unsatisfactory character recognition results. Existing methods have dedicated efforts to restoring degraded character images. However, the denoising…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Daqian Shi , Xiaolei Diao , Lida Shi , Hao Tang , Yang Chi , Chuntao Li , Hao Xu

Capturing different intensity and directions of light rays at the same scene Light field (LF) can encode the 3D scene cues into a 4D LF image which has a wide range of applications (i.e. post-capture refocusing and depth sensing). LF image…

Image and Video Processing · Electrical Eng. & Systems 2024-09-27 Zhongxin Yu , Liang Chen , Zhiyun Zeng , Kunping Yang , Shaofei Luo , Shaorui Chen , Cheng Zhong

Transformers have recently emerged as powerful neural networks for graph learning, showcasing state-of-the-art performance on several graph property prediction tasks. However, these results have been limited to small-scale graphs, where the…

Machine Learning · Computer Science 2023-12-19 Vijay Prakash Dwivedi , Yozen Liu , Anh Tuan Luu , Xavier Bresson , Neil Shah , Tong Zhao