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Iris recognition is a secure biometric technology known for its stability and privacy. With no two irises being identical and little change throughout a person's lifetime, iris recognition is considered more reliable and less susceptible to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Yimin Yin , Siliang He , Renye Zhang , Hongli Chang , Xu Han , Jinghua Zhang

Presentation attack is a challenging issue that persists in the security of automatic fingerprint recognition systems. This paper proposes a novel explainable residual slim network that detects the presentation attack by representing the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-08 Anuj Rai , Somnath Dey

The encoder-decoder network is widely used to learn deep feature representations from pixel-wise annotations in biomedical image analysis. Under this structure, the performance profoundly relies on the effectiveness of feature extraction…

Image and Video Processing · Electrical Eng. & Systems 2021-01-12 Weinan Song , Yuan Liang , Jiawei Yang , Kun Wang , Lei He

Transformer-based Super-Resolution (SR) methods have demonstrated superior performance compared to convolutional neural network (CNN)-based SR approaches due to their capability to capture long-range dependencies. However, their high…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Karam Park , Jae Woong Soh , Nam Ik Cho

Breast cancer is the most widespread neoplasm among women and early detection of this disease is critical. Deep learning techniques have become of great interest to improve diagnostic performance. However, distinguishing between malignant…

Image and Video Processing · Electrical Eng. & Systems 2024-04-24 Eleonora Lopez , Filippo Betello , Federico Carmignani , Eleonora Grassucci , Danilo Comminiello

Cervical cancer is the second most common cancer among women and a leading cause of mortality. Many attempts have been made to develop an effective Computer Aided Diagnosis (CAD) system; however, their performance remains limited. Using…

Image and Video Processing · Electrical Eng. & Systems 2025-09-23 Saurabh Saini , Kapil Ahuja , Akshat S. Chauhan

Infrared small target detection (ISTD) has attracted widespread attention and been applied in various fields. Due to the small size of infrared targets and the noise interference from complex backgrounds, the performance of ISTD using…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Ao Wang , Wei Li , Xin Wu , Zhanchao Huang , Ran Tao

Recent advances in single-frame object detection and segmentation techniques have motivated a wide range of works to extend these methods to process video streams. In this paper, we explore the idea of hard attention aimed for…

Computer Vision and Pattern Recognition · Computer Science 2019-08-21 Yuning Chai

The widespread deployment of face recognition-based biometric systems has made face Presentation Attack Detection (face anti-spoofing) an increasingly critical issue. This survey thoroughly investigates the face Presentation Attack…

Computer Vision and Pattern Recognition · Computer Science 2020-10-09 Zuheng Ming , Muriel Visani , Muhammad Muzzamil Luqman , Jean-Christophe Burie

The integration of communication networks and the Internet of Things (IoT) in Industrial Control Systems (ICSs) increases their vulnerability towards cyber-attacks, causing devastating outcomes. Traditional Intrusion Detection Systems…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Abdulrahman Al-Abassi , Hadis Karimipour , Ali Dehghantanha , Reza M. Parizi

Face presentation attack detection (PAD) has received increasing attention ever since the vulnerabilities to spoofing have been widely recognized. The state of the art in unimodal and multi-modal face anti-spoofing has been assessed in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Zitong Yu , Jukka Komulainen , Xiaobai Li , Guoying Zhao

Contactless fingerprint recognition offers a higher level of user comfort and addresses hygiene concerns more effectively. However, it is also more vulnerable to presentation attacks such as photo paper, paper-printout, and various display…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Banafsheh Adami , Nima Karimian

Visual attention has proven to be effective in improving the performance of person re-identification. Most existing methods apply visual attention heuristically by learning an additional attention map to re-weight the feature maps for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-10 Yifan Chen , Han Wang , Xiaolu Sun , Bin Fan , Chu Tang

We propose DiRL, a Diversity-inducing Representation Learning technique for histopathology imaging. Self-supervised learning techniques, such as contrastive and non-contrastive approaches, have been shown to learn rich and effective…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Saarthak Kapse , Srijan Das , Jingwei Zhang , Rajarsi R. Gupta , Joel Saltz , Dimitris Samaras , Prateek Prasanna

In this work, we propose to detect the iris and periocular regions simultaneously using coarse annotations and two well-known object detectors: YOLOv2 and Faster R-CNN. We believe coarse annotations can be used in recognition systems based…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Diego R. Lucio , Rayson Laroca , Luiz A. Zanlorensi , Gladston Moreira , David Menotti

Face anti-spoofing is the crucial step to prevent face recognition systems from a security breach. Previous deep learning approaches formulate face anti-spoofing as a binary classification problem. Many of them struggle to grasp adequate…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Yaojie Liu , Amin Jourabloo , Xiaoming Liu

Iris recognition is widely used in high-security scenarios due to its stability and distinctiveness. However, iris images captured by different devices exhibit certain and device-related consistent differences, which has a greater impact on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Hang Zou , Chenxi Du , Ajian Liu , Yuan Zhang , Jing Liu , Mingchuan Yang , Jun Wan , Hui Zhang , Zhenan Sun

Face presentation attack detection (PAD) has been extensively studied by research communities to enhance the security of face recognition systems. Although existing methods have achieved good performance on testing data with similar…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Zhi Li , Rizhao Cai , Haoliang Li , Kwok-Yan Lam , Yongjian Hu , Alex C. Kot

Recent advances in 3D object detection are made by developing the refinement stage for voxel-based Region Proposal Networks (RPN) to better strike the balance between accuracy and efficiency. A popular approach among state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Minh-Quan Dao , Elwan Héry , Vincent Frémont

Recent studies have shown that deep learning models are vulnerable to specifically crafted adversarial inputs that are quasi-imperceptible to humans. In this letter, we propose a novel method to detect adversarial inputs, by augmenting the…

Machine Learning · Computer Science 2020-02-25 Kirthi Shankar Sivamani , Rajeev Sahay , Aly El Gamal
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