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Over the past several years, in order to solve the problem of malicious abuse of facial manipulation technology, face manipulation detection technology has obtained considerable attention and achieved remarkable progress. However, most…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Changtao Miao , Qi Chu , Weihai Li , Tao Gong , Wanyi Zhuang , Nenghai Yu

With the development of deep learning, Deep Metric Learning (DML) has achieved great improvements in face recognition. Specifically, the widely used softmax loss in the training process often bring large intra-class variations, and feature…

Computer Vision and Pattern Recognition · Computer Science 2018-05-02 Bowen Wu , Huaming Wu , Monica M. Y. Zhang

With the great development of generative model techniques, face forgery detection draws more and more attention in the related field. Researchers find that existing face forgery models are still vulnerable to adversarial examples with…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Decheng Liu , Qixuan Su , Chunlei Peng , Nannan Wang , Xinbo Gao

We analyzed the network structure of real-time object detection models and found that the features in the feature concatenation stage are very rich. Applying an attention module here can effectively improve the detection accuracy of the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Weisheng Li , Lin Huang

For image forensics, convolutional neural networks (CNNs) tend to learn content features rather than subtle manipulation traces, which limits forensic performance. Existing methods predominantly solve the above challenges by following a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-03 Zhiqing Guo , Gaobo Yang , Dengyong Zhang , Ming Xia

Face forgery techniques have emerged as a forefront concern, and numerous detection approaches have been proposed to address this challenge. However, existing methods predominantly concentrate on single-face manipulation detection, leaving…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chenhao Lin , Fangbin Yi , Hang Wang , Qian Li , Deng Jingyi , Chao Shen

Few-shot fine-grained recognition (FS-FGR) aims to recognize novel fine-grained categories with the help of limited available samples. Undoubtedly, this task inherits the main challenges from both few-shot learning and fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Zican Zha , Hao Tang , Yunlian Sun , Jinhui Tang

A mainstream type of the state of the arts (SOTAs) based on convolutional neural network (CNN) for real image denoising contains two sub-problems, i.e., noise estimation and non-blind denoising. This paper considers real noise approximated…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Yifan Zuo , Jiacheng Xie , Yuming Fang , Yan Huang , Wenhui Jiang

Deepfake attribution (DFA) aims to perform multiclassification on different facial manipulation techniques, thereby mitigating the detrimental effects of forgery content on the social order and personal reputations. However, previous…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Ming-Hui Liu , Xiao-Qian Liu , Xin Luo , Xin-Shun Xu

As the remarkable development of facial manipulation technologies is accompanied by severe security concerns, face forgery detection has become a recent research hotspot. Most existing detection methods train a binary classifier under…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Gaojian Wang , Qian Jiang , Xin Jin , Wei Li , Xiaohui Cui

Image forgery detection aims to detect and locate forged regions in an image. Most existing forgery detection algorithms formulate classification problems to classify pixels into forged or pristine. However, the definition of forged and…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Haiwei Wu , Yiming Chen , Jiantao Zhou , Yuanman Li

Face Forgery videos have elicited critical social public concerns and various detectors have been proposed. However, fully-supervised detectors may lead to easily overfitting to specific forgery methods or videos, and existing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Daichi Zhang , Zihao Xiao , Shikun Li , Fanzhao Lin , Jianmin Li , Shiming Ge

While the pursuit of higher accuracy in deepfake detection remains a central goal, there is an increasing demand for precise localization of manipulated regions. Despite the remarkable progress made in classification-based detection,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Chao Shuai , Gaojian Wang , Kun Pan , Tong Wu , Fanli Jin , Haohan Tan , Mengxiang Li , Zhenguang Liu , Feng Lin , Kui Ren

Open-set supervised anomaly detection (OSAD) - a recently emerging anomaly detection area - aims at utilizing a few samples of anomaly classes seen during training to detect unseen anomalies (i.e., samples from open-set anomaly classes),…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Jiawen Zhu , Choubo Ding , Yu Tian , Guansong Pang

In this paper, we proposed to investigate unsupervised anomaly detection in Synthetic Aperture Radar (SAR) images. Our approach considers anomalies as abnormal patterns that deviate from their surroundings but without any prior knowledge of…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Max Muzeau , Chengfang Ren , Sébastien Angelliaume , Mihai Datcu , Jean-Philippe Ovarlez

As the application of deep learning in dermatology continues to grow, the recognition of melanoma has garnered significant attention, demonstrating potential for improving diagnostic accuracy. Despite advancements in image classification…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Rujosh Polma , Krishnan Menon Iyer

In this work, we benchmark with different backbones and study their impact for self-supervised learning (SSL) as an auxiliary task to blend texture-based local descriptors into feature modelling for efficient face analysis. It is…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Shukesh Reddy , Abhijit Das

Methods that combine local and global features have recently shown excellent performance on multiple challenging deep image retrieval benchmarks, but their use of local features raises at least two issues. First, these local features simply…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Philippe Weinzaepfel , Thomas Lucas , Diane Larlus , Yannis Kalantidis

Anomaly detection is a fundamental yet challenging problem in machine learning due to the lack of label information. In this work, we propose a novel and powerful framework, dubbed as SLA$^2$P, for unsupervised anomaly detection. After…

Machine Learning · Computer Science 2021-11-29 Yizhou Wang , Can Qin , Rongzhe Wei , Yi Xu , Yue Bai , Yun Fu

Mainstream lane marker detection methods are implemented by predicting the overall structure and deriving parametric curves through post-processing. Complex lane line shapes require high-dimensional output of CNNs to model global…

Computer Vision and Pattern Recognition · Computer Science 2021-05-31 Zhan Qu , Huan Jin , Yang Zhou , Zhen Yang , Wei Zhang