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相关论文: Weakly Supervised Multimodal Temporal Forgery Loca…

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Most prior deepfake detection methods lack explainable outputs. With the growing interest in multimodal large language models (MLLMs), researchers have started exploring their use in interpretable deepfake detection. However, a major…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Ning Jiang , Dingheng Zeng , Yanhong Liu , Haiyang Yi , Shijie Yu , Minghe Weng , Haifeng Shen , Ying Li

Weakly supervised object localization (WSOL) is a challenging task to localize the object by only category labels. However, there is contradiction between classification and localization because accurate classification network tends to pay…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Ming Li

The rapid development of deepfake video technology has not only facilitated artistic creation but also made it easier to spread misinformation. Traditional deepfake video detection (DVD) methods face issues such as a lack of transparency in…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Haoran Sun , Chen Cai , Huiping Zhuang , Kong Aik Lee , Lap-Pui Chau , Yi Wang

The field of visual and audio generation is burgeoning with new state-of-the-art methods. This rapid proliferation of new techniques underscores the need for robust solutions for detecting synthetic content in videos. In particular, when…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Nicholas Klein , Hemlata Tak , James Fullwood , Krishna Regmi , Leonidas Spinoulas , Ganesh Sivaraman , Tianxiang Chen , Elie Khoury

Deep learning (e.g., Transformer) has been widely and successfully used in multivariate time series forecasting (MTSF). Unlike existing methods that focus on training models from a single modal of time series input, large language models…

机器学习 · 计算机科学 2025-04-09 Peiyuan Liu , Hang Guo , Tao Dai , Naiqi Li , Jigang Bao , Xudong Ren , Yong Jiang , Shu-Tao Xia

In recent years, we have witnessed a surge of interests in learning a suitable distance metric from weakly supervised data. Most existing methods aim to pull all the similar samples closer while push the dissimilar ones as far as possible.…

机器学习 · 计算机科学 2021-02-05 Huiyuan Deng , Xiangzhu Meng , Lin Feng

Early weakly supervised video grounding (WSVG) methods often struggle with incomplete boundary detection due to the absence of temporal boundary annotations. To bridge the gap between video-level and boundary-level annotation,…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Guozhang Li , Xinpeng Ding , De Cheng , Jie Li , Nannan Wang , Xinbo Gao

Recent advancements in deep learning generative models have raised concerns as they can create highly convincing counterfeit images and videos. This poses a threat to people's integrity and can lead to social instability. To address this…

This study introduces LENS-DF, a novel and comprehensive recipe for training and evaluating audio deepfake detection and temporal localization under complicated and realistic audio conditions. The generation part of the recipe outputs…

声音 · 计算机科学 2025-07-25 Xuechen Liu , Wanying Ge , Xin Wang , Junichi Yamagishi

We propose a novel model for temporal detection and localization which allows the training of deep neural networks using only counts of event occurrences as training labels. This powerful weakly-supervised framework alleviates the burden of…

机器学习 · 计算机科学 2019-05-20 Julien Schroeter , Kirill Sidorov , David Marshall

Weak signal learning (WSL) is a common challenge in many fields like fault diagnosis, medical imaging, and autonomous driving, where critical information is often masked by noise and interference, making feature identification difficult.…

机器学习 · 计算机科学 2025-12-30 Xianqi Liu , Xiangru Li , Lefeng He , Ziyu Fang

Video forgery attack threatens the surveillance system by replacing the video captures with unrealistic synthesis, which can be powered by the latest augment reality and virtual reality technologies. From the machine perception aspect,…

多媒体 · 计算机科学 2022-12-27 Chenhui Zhao , Xiang Li , Rabih Younes

Weakly supervised temporal action localization aims to localize temporal boundaries of actions and simultaneously identify their categories with only video-level category labels. Many existing methods seek to generate pseudo labels for…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Linjiang Huang , Liang Wang , Hongsheng Li

Currently, many face forgery detection methods aggregate spatial and frequency features to enhance the generalization ability and gain promising performance under the cross-dataset scenario. However, these methods only leverage one level…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Jie Liu , Jingjing Wang , Peng Zhang , Chunmao Wang , Di Xie , Shiliang Pu

Multimodal fake news detection (MFND) aims to verify news credibility by jointly exploiting textual and visual evidence. However, real-world news dissemination frequently suffers from missing modality due to deleted images, corrupted…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Kai Qian , Weijie Shi , Jiaqi Wang , Mengze Li , Hao Chen , Yue Cui , Hanghui Guo , Ziyi Liu , Jia Zhu , Jiajie Xu

Long-tailed semi-supervised learning (LTSSL) presents a formidable challenge where models must overcome the scarcity of tail samples while mitigating the noise from unreliable pseudo-labels. Most prior LTSSL methods are designed to train…

机器学习 · 计算机科学 2026-04-09 Zhiyuan Huang , Jiahao Chen , Bing Su

Social media is increasingly plagued by realistic fake images, making it hard to trust content. Previous algorithms to detect these fakes often fail in new, real-world scenarios because they are trained on specific datasets. To address the…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Weihuang Liu , Xi Shen , Chi-Man Pun , Xiaodong Cun

Rapid advances in generative AI have led to increasingly realistic deepfakes, posing growing challenges for law enforcement and public trust. Existing passive deepfake detectors struggle to keep pace, largely due to their dependence on…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Tharindu Fernando , Clinton Fookes , Sridha Sridharan

We address multimodal deepfake detection requiring both robustness and interpretability by proposing FakeHunter, a unified framework that combines memory guided retrieval, a structured Observation-Thought-Action reasoning loop, and adaptive…

多媒体 · 计算机科学 2025-09-11 Chen Chen , Runze Li , Zejun Zhang , Pukun Zhao , Fanqing Zhou , Longxiang Wang , Haojian Huang

The detection and localization of deepfake content, particularly when small fake segments are seamlessly mixed with real videos, remains a significant challenge in the field of digital media security. Based on the recently released…

计算机视觉与模式识别 · 计算机科学 2024-09-12 Zhixi Cai , Abhinav Dhall , Shreya Ghosh , Munawar Hayat , Dimitrios Kollias , Kalin Stefanov , Usman Tariq