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Visual speech recognition is the task to decode the speech content from a video based on visual information, especially the movements of lips. It is also referenced as lipreading. Motivated by two problems existing in lipreading, words with…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Jingyun Xiao

With the rise in manipulated media, deepfake detection has become an imperative task for preserving the authenticity of digital content. In this paper, we present a novel multi-modal audio-video framework designed to concurrently process…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Aaditya Kharel , Manas Paranjape , Aniket Bera

Recently, our proposed recurrent neural network (RNN) based all deep learning minimum variance distortionless response (ADL-MVDR) beamformer method yielded superior performance over the conventional MVDR by replacing the matrix inversion…

Sound · Computer Science 2021-04-27 Xiyun Li , Yong Xu , Meng Yu , Shi-Xiong Zhang , Jiaming Xu , Bo Xu , Dong Yu

Partially manipulating a sentence can greatly change its meaning. Recent work shows that countermeasures (CMs) trained on partially spoofed audio can effectively detect such spoofing. However, the current understanding of the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-05 Tianchi Liu , Lin Zhang , Rohan Kumar Das , Yi Ma , Ruijie Tao , Haizhou Li

Recently, fake audio detection has gained significant attention, as advancements in speech synthesis and voice conversion have increased the vulnerability of automatic speaker verification (ASV) systems to spoofing attacks. A key challenge…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-23 Ju Yeon Kang , Ji Won Yoon , Semin Kim , Min Hyun Han , Nam Soo Kim

Voice spoofing attacks pose a significant threat to automated speaker verification systems. Existing anti-spoofing methods often simulate specific attack types, such as synthetic or replay attacks. However, in real-world scenarios, the…

Sound · Computer Science 2023-09-19 Awais Khan , Khalid Mahmood Malik , Shah Nawaz

The rapid emergence of multimodal deepfakes (visual and auditory content are manipulated in concert) undermines the reliability of existing detectors that rely solely on modality-specific artifacts or cross-modal inconsistencies. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Yuxuan Du , Zhendong Wang , Yuhao Luo , Caiyong Piao , Zhiyuan Yan , Hao Li , Li Yuan

Handling missing data in time series classification remains a significant challenge in various domains. Traditional methods often rely on imputation, which may introduce bias or fail to capture the underlying temporal dynamics. In this…

Machine Learning · Computer Science 2026-04-03 YongKyung Oh , Dong-Young Lim , Sungil Kim , Alex Bui

Temporal common sense (e.g., duration and frequency of events) is crucial for understanding natural language. However, its acquisition is challenging, partly because such information is often not expressed explicitly in text, and human…

Computation and Language · Computer Science 2020-05-12 Ben Zhou , Qiang Ning , Daniel Khashabi , Dan Roth

Delay-Doppler alignment modulation (DDAM) is a novel technique to mitigate time-frequency doubly selective channels by leveraging the high spatial resolution offered by large antenna arrays and multi-path sparsity of millimeter wave…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Xianda Liu , Zhiwen Zhou , Zhiqiang Xiao , Yong Zeng

Large audio language models are increasingly used for complex audio understanding tasks, but they struggle with temporal tasks that require precise temporal grounding, such as word alignment and speaker diarization. The standard approach,…

Machine Learning · Computer Science 2026-02-12 Joesph An , Phillip Keung , Jiaqi Wang , Orevaoghene Ahia , Noah A. Smith

In this paper, we propose an enhanced audio-visual deep detection method. Recent methods in audio-visual deepfake detection mostly assess the synchronization between audio and visual features. Although they have shown promising results,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Marcella Astrid , Enjie Ghorbel , Djamila Aouada

The past few years have witnessed the significant advances of speech synthesis and voice conversion technologies. However, such technologies can undermine the robustness of broadly implemented biometric identification models and can be…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-16 Haibin Wu , Heng-Cheng Kuo , Naijun Zheng , Kuo-Hsuan Hung , Hung-Yi Lee , Yu Tsao , Hsin-Min Wang , Helen Meng

Existing causal speech separation models often underperform compared to non-causal models due to difficulties in retaining historical information. To address this, we propose the Time-Frequency Attention Cache Memory (TFACM) model, which…

Sound · Computer Science 2025-05-20 Guo Chen , Kai Li , Runxuan Yang , Xiaolin Hu

Anomaly detection techniques enable effective anomaly detection and diagnosis in multi-variate time series data, which are of major significance for today's industrial applications. However, establishing an anomaly detection system that can…

Machine Learning · Computer Science 2024-05-02 Lingrui Yu

The rise of highly convincing synthetic speech poses a growing threat to audio communications. Although existing Audio Deepfake Detection (ADD) methods have demonstrated good performance under clean conditions, their effectiveness drops…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-05 Haohan Shi , Xiyu Shi , Safak Dogan , Tianjin Huang , Yunxiao Zhang

The widespread emergence of face-swap Deepfake videos poses growing risks to digital security, privacy, and media integrity, necessitating effective forensic tools for identifying the source of such manipulations. Although most prior…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Wasim Ahmad , Yan-Tsung Peng , Yuan-Hao Chang

All current benchmarks for multimodal deepfake detection manipulate entire frames using various generation techniques, resulting in oversaturated detection accuracies exceeding 94% at the video-level classification. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Juho Jung , Sangyoun Lee , Jooeon Kang , Yunjin Na

TTM (Talking to Me) task is a pivotal component in understanding human social interactions, aiming to determine who is engaged in conversation with the camera-wearer. Traditional models often face challenges in real-world scenarios due to…

Multimedia · Computer Science 2026-03-20 Xinyuan Qian , Xinjia Zhu , Alessio Brutti , Dong Liang

Most digital audio tampering detection methods based on electrical network frequency (ENF) only utilize the static spatial information of ENF, ignoring the variation of ENF in time series, which limit the ability of ENF feature…

Sound · Computer Science 2022-08-26 Chunyan Zeng , Shuai Kong , Zhifeng Wang , Xiangkui Wan , Yunfan Chen
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