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Modern deepfakes have evolved into localized and intermittent manipulations that require fine-grained temporal localization to mitigate severe digital security risks. The prohibitive cost of frame-level annotation makes weakly supervised…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Midou Guo , Qilin Yin , Wei Lu , Rui Yang

Audio temporal forgery localization (ATFL) aims to find the precise forgery regions of the partial spoof audio that is purposefully modified. Existing ATFL methods rely on training efficient networks using fine-grained annotations, which…

声音 · 计算机科学 2025-05-08 Junyan Wu , Wenbo Xu , Wei Lu , Xiangyang Luo , Rui Yang , Shize Guo

Partial audio deepfake localization poses unique challenges and remain underexplored compared to full-utterance spoofing detection. While recent methods report strong in-domain performance, their real-world utility remains unclear. In this…

声音 · 计算机科学 2025-09-01 Hieu-Thi Luong , Inbal Rimon , Haim Permuter , Kong Aik Lee , Eng Siong Chng

With rapid advances in audio-visual generative models, reliable forgery detection becomes increasingly critical. Existing methods for audio-visual deepfake detection typically rely on cross-modal inconsistencies. In singing, rhythmic…

人工智能 · 计算机科学 2026-05-28 Ke Liu , Jiwei Wei , Wenyu Zhang , Shuchang Zhou , Ruikun Chai , Yutao Dai , Chaoning Zhang , Yang Yang

Optical-flow-based and kernel-based approaches have been extensively explored for temporal compensation in satellite Video Super-Resolution (VSR). However, these techniques are less generalized in large-scale or complex scenarios,…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Yi Xiao , Qiangqiang Yuan , Kui Jiang , Xianyu Jin , Jiang He , Liangpei Zhang , Chia-Wen Lin

Speech deepfake detection (DFD) has benefited from diverse acoustic and semantic speech representations, many of which encode valuable speech information and are costly to train. Existing approaches typically enhance DFD by tuning the…

声音 · 计算机科学 2026-02-26 Yupei Li , Chenyang Lyu , Longyue Wang , Weihua Luo , Kaifu Zhang , Björn W. Schuller

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,…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Davide Cozzolino , Andreas Rössler , Justus Thies , Matthias Nießner , Luisa Verdoliva

Cooperation between temporal convolutional networks (TCN) and graph convolutional networks (GCN) as a processing module has shown promising results in skeleton-based video anomaly detection (SVAD). However, to maintain a lightweight model…

计算机视觉与模式识别 · 计算机科学 2024-06-06 Ruituo Wu , Yang Chen , Jian Xiao , Bing Li , Jicong Fan , Frédéric Dufaux , Ce Zhu , Yipeng Liu

Multi-channel speech enhancement with ad-hoc sensors has been a challenging task. Speech model guided beamforming algorithms are able to recover natural sounding speech, but the speech models tend to be oversimplified or the inference would…

计算与语言 · 计算机科学 2018-02-16 Kaizhi Qian , Yang Zhang , Shiyu Chang , Xuesong Yang , Dinei Florencio , Mark Hasegawa-Johnson

Current temporal forgery localization (TFL) approaches typically rely on temporal boundary regression or continuous frame-level anomaly detection paradigms to derive candidate forgery proposals. However, they suffer not only from feature…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Tianyi Wang , Xi Shao , Harry Cheng , Yinglong Wang , Mohan Kankanhalli

It becomes urgent to design effective anti-spoofing algorithms for vulnerable automatic speaker verification systems due to the advancement of high-quality playback devices. Current studies mainly treat anti-spoofing as a binary…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Yongqiang Dou , Haocheng Yang , Maolin Yang , Yanyan Xu , Dengfeng Ke

Deepfake detection is a critical task in identifying manipulated multimedia content. In real-world scenarios, deepfake content can manifest across multiple modalities, including audio and video. To address this challenge, we present…

人工智能 · 计算机科学 2025-12-04 Xin Zhang , Jiaming Chu , Jian Zhao , Yuchu Jiang , Xu Yang , Lei Jin , Chi Zhang , Xuelong Li

The rise of manipulated media has made deepfakes a particularly insidious threat, involving various generative manipulations such as lip-sync modifications, face-swaps, and avatar-driven facial synthesis. Conventional detection methods,…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Soumyya Kanti Datta , Tanvi Ranga , Chengzhe Sun , Siwei Lyu

Anomalous audio in speech recordings is often caused by speaker voice distortion, external noise, or even electric interferences. These obstacles have become a serious problem in some fields, such as high-quality music mixing and speech…

音频与语音处理 · 电气工程与系统科学 2021-02-11 Qiang Huang , Thomas Hain

Detecting anomalies in real-world multivariate time series data is challenging due to complex temporal dependencies and inter-variable correlations. Recently, reconstruction-based deep models have been widely used to solve the problem.…

机器学习 · 计算机科学 2023-12-06 Junho Song , Keonwoo Kim , Jeonglyul Oh , Sungzoon Cho

Deepfakes are AI-synthesized multimedia data that may be abused for spreading misinformation. Deepfake generation involves both visual and audio manipulation. To detect audio-visual deepfakes, previous studies commonly employ two relatively…

声音 · 计算机科学 2025-06-10 Kuiyuan Zhang , Wenjie Pei , Rushi Lan , Yifang Guo , Zhongyun Hua

We introduce a data-driven anomaly detection framework using a manufacturing dataset collected from a factory assembly line. Given heterogeneous time series data consisting of operation cycle signals and sensor signals, we aim at…

人工智能 · 计算机科学 2022-02-11 Kyeong-Joong Jeong , Jin-Duk Park , Kyusoon Hwang , Seong-Lyun Kim , Won-Yong Shin

This paper proposes attentive statistics pooling for deep speaker embedding in text-independent speaker verification. In conventional speaker embedding, frame-level features are averaged over all the frames of a single utterance to form an…

音频与语音处理 · 电气工程与系统科学 2019-02-27 Koji Okabe , Takafumi Koshinaka , Koichi Shinoda

Attention modules for Convolutional Neural Networks (CNNs) are an effective method to enhance performance on multiple computer-vision tasks. While existing methods appropriately model channel-, spatial- and self-attention, they primarily…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Shantanu Jaiswal , Basura Fernando , Cheston Tan

Audio-driven talking head generation requires precise synchronization between facial animations and audio signals. This paper introduces ATL-Diff, a novel approach addressing synchronization limitations while reducing noise and…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Hoang-Son Vo , Quang-Vinh Nguyen , Seungwon Kim , Hyung-Jeong Yang , Soonja Yeom , Soo-Hyung Kim