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Face presentation attack detection plays a critical role in the modern face recognition pipeline. A face presentation attack detection model with good generalization can be obtained when it is trained with face images from different input…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Rui Shao , Pramuditha Perera , Pong C. Yuen , Vishal M. Patel

Detecting subtle defects in window frames, including dents and scratches, is vital for upholding product integrity and sustaining a positive brand perception. Conventional machine vision systems often struggle to identify these defects in…

Image and Video Processing · Electrical Eng. & Systems 2023-09-14 Jorge Vasquez , Hemant K. Sharma , Tomotake Furuhata , Kenji Shimada

Unmanned aerial vehicles (UAVs) operating within Flying Ad-hoc Networks (FANETs) encounter security challenges due to the dynamic and distributed nature of these networks. Previous studies focused predominantly on centralized intrusion…

Cryptography and Security · Computer Science 2025-06-27 Ozlem Ceviz , Pinar Sadioglu , Sevil Sen , Vassilios G. Vassilakis

Biometric systems are vulnerable to Presentation Attacks (PA) performed using various Presentation Attack Instruments (PAIs). Even though there are numerous Presentation Attack Detection (PAD) techniques based on both deep learning and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Zhe Kong , Wentian Zhang , Feng Liu , Wenhan Luo , Haozhe Liu , Linlin Shen , Raghavendra Ramachandra

Change detection (CD) is one of the most vital applications in remote sensing. Recently, deep learning has achieved promising performance in the CD task. However, the deep models are task-specific and CD data set bias often exists, hence it…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Hongruixuan Chen , Chen Wu , Bo Du , Liangpei Zhang

With the rapid development of ultra-high resolution (UHR) remote sensing technology, the demand for accurate and efficient semantic segmentation has increased significantly. However, existing methods face challenges in computational…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Chen Yi , Shan LianLei

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

Deep learning approaches have achieved highly accurate face recognition by training the models with very large face image datasets. Unlike the availability of large 2D face image datasets, there is a lack of large 3D face datasets available…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Meng-Tzu Chiu , Hsun-Ying Cheng , Chien-Yi Wang , Shang-Hong Lai

Deep Neural Network (DNN) has recently achieved outstanding performance in a variety of computer vision tasks, including facial attribute classification. The great success of classifying facial attributes with DNN often relies on a massive…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Ni Zhuang , Yan Yan , Si Chen , Hanzi Wang , Chunhua Shen

The extraction of consistent and identifiable features from an image of the human iris is known as iris recognition. Identifying which pixels belong to the iris, known as segmentation, is the first stage of iris recognition. Errors in…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Sohaib Ahmad , Benjamin Fuller

The accurate segmentation of retinal vessels in fundus images is a great challenge in medical image segmentation tasks due to their highly complex structure from other organs.Currently, deep-learning based methods for retinal cessel…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yiwang Dong , Xiangyu Deng

Single-frame infrared small target (SIRST) detection aims at separating small targets from clutter backgrounds. With the advances of deep learning, CNN-based methods have yielded promising results in generic object detection due to their…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Boyang Li , Chao Xiao , Longguang Wang , Yingqian Wang , Zaiping Lin , Miao Li , Wei An , Yulan Guo

Recent advances in unsupervised domain adaptation (UDA) techniques have witnessed great success in cross-domain computer vision tasks, enhancing the generalization ability of data-driven deep learning architectures by bridging the domain…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Dongnan Liu , Chaoyi Zhang , Yang Song , Heng Huang , Chenyu Wang , Michael Barnett , Weidong Cai

Infrared target detection (IRSTD) tasks have critical applications in areas like wilderness rescue and maritime search. However, detecting infrared targets is challenging due to their low contrast and tendency to blend into complex…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Zikai Liao , Zhaozheng Yin

Deep networks can learn to accurately recognize objects of a category by training on a large number of annotated images. However, a meta-learning challenge known as a low-shot image recognition task comes when only a few images with…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Mengting Chen , Xinggang Wang , Heng Luo , Yifeng Geng , Wenyu Liu

The accurate target-background separation in infrared small target detection (IRSTD) highly depends on the discriminability of extracted representations. However, most existing methods are confined to domain-consistent settings, while…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Yimin Fu , Songbo Wang , Feiyan Wu , Jialin Lyu , Zhunga Liu , Michael K. Ng

Face presentation attack detection (PAD) plays an important role in defending face recognition systems against presentation attacks. The success of PAD largely relies on supervised learning that requires a huge number of labeled data, which…

Computer Vision and Pattern Recognition · Computer Science 2022-11-02 Usman Muhammad , Mourad Oussalah

Deep learning methods have shown promising performances in remote sensing image change detection (CD). However, existing methods usually train a dataset-specific deep network for each dataset. Due to the significant differences in the data…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Dou Quan , Rufan Zhou , Shuang Wang , Ning Huyan , Dong Zhao , Yunan Li , Licheng Jiao

Medical image segmentation can provide detailed information for clinical analysis which can be useful for scenarios where the detailed location of a finding is important. Knowing the location of disease can play a vital role in treatment…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Abhishek Srivastava , Sukalpa Chanda , Debesh Jha , Michael A. Riegler , Pål Halvorsen , Dag Johansen , Umapada Pal

Lack of generalization to unseen domains/attacks is the Achilles heel of most face presentation attack detection (FacePAD) algorithms. Existing attempts to enhance the generalizability of FacePAD solutions assume that data from multiple…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Naif Alkhunaizi , Koushik Srivatsan , Faris Almalik , Ibrahim Almakky , Karthik Nandakumar