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The increased availability and accuracy of eye-gaze tracking technology has sparked attention-related research in psychology, neuroscience, and, more recently, computer vision and artificial intelligence. The attention mechanism in…

Image and Video Processing · Electrical Eng. & Systems 2022-02-16 Hongzhi Zhu , Septimiu Salcudean , Robert Rohling

Deep learning has become a powerful tool for medical image analysis; however, conventional Convolutional Neural Networks (CNNs) often fail to capture the fine-grained and complex features critical for accurate diagnosis. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zahid Ullah , Minki Hong , Tahir Mahmood , Jihie Kim

In recent years, various applications in computer vision have achieved substantial progress based on deep learning, which has been widely used for image fusion and shown to achieve adequate performance. However, suffering from limited…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Zhengwen Shen , Jun Wang , Zaiyu Pan , Yulian Li , Jiangyu Wang

The use of biometrics to authenticate users and control access to secure areas has become extremely popular in recent years, and biometric access control systems are frequently used by both governments and private corporations. However,…

Cryptography and Security · Computer Science 2023-12-04 Justin Spencer , Deborah Lawrence , Prosenjit Chatterjee , Kaushik Roy , Albert Esterline , Jung-Hee Kim

Recently, the attention mechanism has been successfully applied in convolutional neural networks (CNNs), significantly boosting the performance of many computer vision tasks. Unfortunately, few medical image recognition approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Liu Li , Mai Xu , Xiaofei Wang , Lai Jiang , Hanruo Liu

Visual attention has been extensively studied for learning fine-grained features in both facial expression recognition (FER) and Action Unit (AU) detection. A broad range of previous research has explored how to use attention modules to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Xiaotian Li , Zhihua Li , Huiyuan Yang , Geran Zhao , Lijun Yin

The robustness and generalization ability of Presentation Attack Detection (PAD) methods is critical to ensure the security of Face Recognition Systems (FRSs). However, in a real scenario, Presentation Attacks (PAs) are various and it is…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Wentian Zhang , Haozhe Liu , Feng Liu , Raghavendra Ramachandra , Christoph Busch

We present Hand-CNN, a novel convolutional network architecture for detecting hand masks and predicting hand orientations in unconstrained images. Hand-CNN extends MaskRCNN with a novel attention mechanism to incorporate contextual cues in…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Supreeth Narasimhaswamy , Zhengwei Wei , Yang Wang , Justin Zhang , Minh Hoai

Face recognition has evolved as a widely used biometric modality. However, its vulnerability against presentation attacks poses a significant security threat. Though presentation attack detection (PAD) methods try to address this issue,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Anjith George , Sebastien Marcel

Convolutional neural networks (CNNs) have been widely used for hyperspectral image classification. As a common process, small cubes are firstly cropped from the hyperspectral image and then fed into CNNs to extract spectral and spatial…

Image and Video Processing · Electrical Eng. & Systems 2020-06-15 Renlong Hang , Zhu Li , Qingshan Liu , Pedram Ghamisi , Shuvra S. Bhattacharyya

In this paper, we propose a novel hybrid deep learning architecture that synergistically combines Graph Neural Networks (GNNs), Recurrent Neural Networks (RNNs), and multi-head attention mechanisms to significantly enhance cybersecurity…

Cryptography and Security · Computer Science 2025-10-31 Jayant Biradar , Smit Shah , Tanmay Naik

This paper proposes the first, known to us, open source presentation attack detection (PAD) solution to distinguish between authentic iris images (possibly wearing clear contact lenses) and irises with textured contact lenses. This software…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Joseph McGrath , Kevin W. Bowyer , Adam Czajka

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

The recurrent neural networks (RNN) can be used to solve the sequence to sequence problem, where both the input and the output have sequential structures. Usually there are some implicit relations between the structures. However, it is hard…

Computer Vision and Pattern Recognition · Computer Science 2016-01-27 Feng Wang , David M. J. Tax

Objective: This work addresses two key problems of skin lesion classification. The first problem is the effective use of high-resolution images with pretrained standard architectures for image classification. The second problem is the high…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Nils Gessert , Thilo Sentker , Frederic Madesta , Rüdiger Schmitz , Helge Kniep , Ivo Baltruschat , René Werner , Alexander Schlaefer

In this work, we propose "Residual Attention Network", a convolutional neural network using attention mechanism which can incorporate with state-of-art feed forward network architecture in an end-to-end training fashion. Our Residual…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Fei Wang , Mengqing Jiang , Chen Qian , Shuo Yang , Cheng Li , Honggang Zhang , Xiaogang Wang , Xiaoou Tang

Face recognition has evolved as a prominent biometric authentication modality. However, vulnerability to presentation attacks curtails its reliable deployment. Automatic detection of presentation attacks is essential for secure use of face…

Computer Vision and Pattern Recognition · Computer Science 2019-07-10 Anjith George , Sebastien Marcel

Learning structural information is critical for producing an ideal result in retinal image segmentation. Recently, convolutional neural networks have shown a powerful ability to extract effective representations. However, convolutional and…

Image and Video Processing · Electrical Eng. & Systems 2019-10-24 Shihao Zhang , Huazhu Fu , Yuguang Yan , Yubing Zhang , Qingyao Wu , Ming Yang , Mingkui Tan , Yanwu Xu

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

Iris-based biometric systems are vulnerable to presentation attacks (PAs), where adversaries present physical artifacts (e.g., printed iris images, textured contact lenses) to defeat the system. This has led to the development of various…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Debasmita Pal , Redwan Sony , Arun Ross