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Few-shot Continual Event Detection (FCED) poses the dual challenges of learning from limited data and mitigating catastrophic forgetting across sequential tasks. Existing approaches often suffer from severe forgetting due to the full…

Machine Learning · Computer Science 2025-09-30 Bao-Ngoc Dao , Quang Nguyen , Luyen Ngo Dinh , Minh Le , Linh Ngo Van

Existing multi-focus image fusion (MFIF) methods often fail to preserve the uncertain transition region and detect small focus areas within large defocused regions accurately. To address this issue, this study proposes a new…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Xilai Li , Xiaosong Li , Haishu Tan , Jinyang Li

Camouflaged Object Detection (COD) is a critical aspect of computer vision aimed at identifying concealed objects, with applications spanning military, industrial, medical and monitoring domains. To address the problem of poor detail…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Cunhan Guo , Heyan Huang

Deep-learning and large scale language-image training have produced image object detectors that generalise well to diverse environments and semantic classes. However, single-image object detectors trained on internet data are not optimally…

Robotics · Computer Science 2024-02-07 Nicolas Harvey Chapman , Feras Dayoub , Will Browne , Chris Lehnert

Face presentation attack detection (PAD) has been an urgent problem to be solved in the face recognition systems. Conventional approaches usually assume the testing and training are within the same domain; as a result, they may not…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Guoqing Wang , Hu Han , Shiguang Shan , Xilin Chen

Anomaly detection (AD) has been widely studied for decades in many real-world applications, including fraud detection in finance, and intrusion detection for cybersecurity, etc. Due to the imbalanced nature between protected and unprotected…

Machine Learning · Computer Science 2024-09-18 Ziwei Wu , Lecheng Zheng , Yuancheng Yu , Ruizhong Qiu , John Birge , Jingrui He

We introduce a novel methodology for identifying adversarial attacks on deepfake detectors using eXplainable Artificial Intelligence (XAI). In an era characterized by digital advancement, deepfakes have emerged as a potent tool, creating a…

Cryptography and Security · Computer Science 2024-08-20 Ben Pinhasov , Raz Lapid , Rony Ohayon , Moshe Sipper , Yehudit Aperstein

Federated learning is designed to enhance data security and privacy, but faces challenges when dealing with heterogeneous data in long-tailed and non-IID distributions. This paper explores an overlooked scenario where tail classes are…

Machine Learning · Computer Science 2024-03-14 Zhuoxin Chen , Zhenyu Wu , Yang Ji

Camouflaged Object Detection (COD) aims to segment targets that share extreme textural and structural similarities with their complex environments. Leveraging their capacity for long-range dependency modeling, Transformer-based detectors…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yuhan Gao , Shuhao Kang , Xin He , Bing Li , Xu Cheng , Yun Liu

Camera traps, unmanned observation devices, and deep learning-based image recognition systems have greatly reduced human effort in collecting and analyzing wildlife images. However, data collected via above apparatus exhibits 1) long-tailed…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Jeongsoo Kim , Sangmin Woo , Byeongjun Park , Changick Kim

A major challenge in DeepFake forgery detection is that state-of-the-art algorithms are mostly trained to detect a specific fake method. As a result, these approaches show poor generalization across different types of facial manipulations,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Davide Cozzolino , Andreas Rössler , Justus Thies , Matthias Nießner , Luisa Verdoliva

Object detection in autonomous driving applications implies that the detection and tracking of semantic objects are commonly native to urban driving environments, as pedestrians and vehicles. One of the major challenges in state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 G. Melotti , W. Lu , P. Conde , D. Zhao , A. Asvadi , N. Gonçalves , C. Premebida

Camouflaged object detection (COD), which aims to identify the objects that conceal themselves into the surroundings, has recently drawn increasing research efforts in the field of computer vision. In practice, the success of deep learning…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Geng Chen , Xinrui Chen , Bo Dong , Mingchen Zhuge , Yongxiong Wang , Hongbo Bi , Jian Chen , Peng Wang , Yanning Zhang

Tabular anomaly detection (TAD) aims to identify samples that deviate from the majority in tabular data and is critical in many real-world applications. However, existing methods follow a ``one model for one dataset (OFO)'' paradigm, which…

Machine Learning · Computer Science 2026-03-17 Shiyuan Li , Yixin Liu , Yu Zheng , Xiaofeng Cao , Shirui Pan , Heng Tao Shen

We proposed a new modeling method to promote the performance of prohibited items recognition via X-ray image. We analyzed the characteristics of prohibited items and X-ray images. We found the fact that the scales of some items are too…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Tianze Rong , Hongxiang Cai , Yichao Xiong

Long-tailed distributions in class-imbalanced data present a fundamental challenge for deep learning models, which tend to be biased toward majority classes. While recent methods for long-tailed recognition have mitigated this issue, they…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Heegeon Yoon , Heeyoung Kim

Bias in computer vision systems can perpetuate or even amplify discrimination against certain populations. Considering that bias is often introduced by biased visual datasets, many recent research efforts focus on training fair models using…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Ioannis Sarridis , Christos Koutlis , Symeon Papadopoulos , Christos Diou

Confidence-aware learning is proven as an effective solution to prevent networks becoming overconfident. We present a confidence-aware camouflaged object detection framework using dynamic supervision to produce both accurate camouflage map…

Computer Vision and Pattern Recognition · Computer Science 2021-06-23 Jiawei Liu , Jing Zhang , Nick Barnes

Generalized Category Discovery (GCD) utilizes labeled samples of known classes to discover novel classes in unlabeled samples. Existing methods show effective performance on artificial datasets with balanced distributions. However,…

Artificial Intelligence · Computer Science 2025-07-31 Cuong Manh Hoang

With the development of deep learning technology, the facial manipulation system has become powerful and easy to use. Such systems can modify the attributes of the given facial images, such as hair color, gender, and age. Malicious…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Yao Zhu , Yuefeng Chen , Xiaodan Li , Rong Zhang , Xiang Tian , Bolun Zheng , Yaowu Chen