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Deepfake videos are causing growing concerns among communities due to their ever-increasing realism. Naturally, automated detection of forged Deepfake videos is attracting a proportional amount of interest of researchers. Current methods…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Yunzhuo Chen , Naveed Akhtar , Nur Al Hasan Haldar , Ajmal Mian

Social media platforms are increasingly dominated by long-form multimodal content, where harmful narratives are constructed through a complex interplay of audio, visual, and textual cues. While automated systems can flag hate speech with…

人工智能 · 计算机科学 2026-05-29 Girish A. Koushik , Helen Treharne , Diptesh Kanojia

Diverse promising datasets have been designed to hold back the development of fake audio detection, such as ASVspoof databases. However, previous datasets ignore an attacking situation, in which the hacker hides some small fake clips in…

声音 · 计算机科学 2023-12-19 Jiangyan Yi , Ye Bai , Jianhua Tao , Haoxin Ma , Zhengkun Tian , Chenglong Wang , Tao Wang , Ruibo Fu

Diffusion large language models (dLLMs) offer a promising paradigm for parallel text generation, but in practice they face an accuracy-parallelism trade-off, where increasing tokens per forward (TPF) often degrades generation quality.…

计算与语言 · 计算机科学 2026-05-12 Haoyang Zhou , Li Kong , Shijie Ren , Xiting Wang , Shuang Liang , Guowei Wang , Zhenxuan Pan

While deep learning succeeds in a wide range of tasks, it highly depends on the massive collection of annotated data which is expensive and time-consuming. To lower the cost of data annotation, active learning has been proposed to…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Siyu Huang , Tianyang Wang , Haoyi Xiong , Jun Huan , Dejing Dou

Recent advances in face forgery techniques produce nearly visually untraceable deepfake videos, which could be leveraged with malicious intentions. As a result, researchers have been devoted to deepfake detection. Previous studies have…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Jiazhi Guan , Hang Zhou , Zhibin Hong , Errui Ding , Jingdong Wang , Chengbin Quan , Youjian Zhao

Time series anomaly detection (TSAD) is of widespread interest across many industries, including finance, healthcare, and manufacturing. Despite the development of numerous automatic methods for detecting anomalies, human oversight remains…

计算与语言 · 计算机科学 2025-03-31 Alan Yang , Yulin Chen , Sean Lee , Venus Montes

Recent multi-modal audio-language models (ALMs) excel at text-audio retrieval but struggle with frame-wise audio understanding. Prior works use temporal-aware labels or unsupervised training to improve frame-wise capabilities, but they…

Out-of-distribution (OOD) detection remains a critical challenge in open-world learning, where models must adapt to evolving data distributions. While recent vision-language models (VLMS) like CLIP enable multimodal OOD detection through…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Aditi Naiknaware , Salimeh Sekeh

Transformer-based models have shown strong performance in speech deepfake detection, largely due to the effectiveness of the multi-head self-attention (MHSA) mechanism. MHSA provides frame-level attention scores, which are particularly…

声音 · 计算机科学 2026-02-05 Tuan Dat Phuong , Duc-Tuan Truong , Long-Vu Hoang , Trang Nguyen Thi Thu

Large language models (LLMs), trained on large-scale text, have recently attracted significant attention for their strong performance across many tasks. Motivated by this, we investigate whether a text-trained LLM can help localize fake…

音频与语音处理 · 电气工程与系统科学 2026-03-13 Lin Zhang , Thomas Thebaud , Zexin Cai , Sanjeev Khudanpur , Daniel Povey , Leibny Paola García-Perera , Matthew Wiesner , Nicholas Andrews

Speech deepfake detection (SDD) focuses on identifying whether a given speech signal is genuine or has been synthetically generated. Existing audio large language model (LLM)-based methods excel in content understanding; however, their…

声音 · 计算机科学 2026-02-02 Xiaoxuan Guo , Yuankun Xie , Haonan Cheng , Jiayi Zhou , Jian Liu , Hengyan Huang , Long Ye , Qin Zhang

Recent advances in speech deepfake detection (SDD) have significantly improved artifacts-based detection in spoofed speech. However, most models overlook speech naturalness, a crucial cue for distinguishing bona fide speech from spoofed…

音频与语音处理 · 电气工程与系统科学 2025-05-21 Taewoo Kim , Guisik Kim , Choongsang Cho , Young Han Lee

Existing generative models for unsupervised anomalous sound detection are limited by their inability to fully capture the complex feature distribution of normal sounds, while the potential of powerful diffusion models in this domain remains…

声音 · 计算机科学 2026-02-03 Chengyuan Ma , Peng Jia , Hongyue Guo , Wenming Yang

Audio deepfake detection (ADD) is crucial to combat the misuse of speech synthesized from generative AI models. Existing ADD models suffer from generalization issues, with a large performance discrepancy between in-domain and out-of-domain…

声音 · 计算机科学 2024-07-29 Yi Zhu , Surya Koppisetti , Trang Tran , Gaurav Bharaj

Recently, large pre-trained neural language models have attained remarkable performance on many downstream natural language processing (NLP) applications via fine-tuning. In this paper, we target at how to further improve the token…

人工智能 · 计算机科学 2021-09-08 Mengyuan Zhou , Jian Ma , Haiqin Yang , Lianxin Jiang , Yang Mo

Automatic speaker verification is susceptible to various manipulations and spoofing, such as text-to-speech synthesis, voice conversion, replay, tampering, adversarial attacks, and so on. We consider a new spoofing scenario called "Partial…

音频与语音处理 · 电气工程与系统科学 2023-02-07 Lin Zhang , Xin Wang , Erica Cooper , Nicholas Evans , Junichi Yamagishi

The rapid rise of deepfake technology poses a severe threat to social and political stability by enabling hyper-realistic synthetic media capable of manipulating public perception. However, existing detection methods struggle with two core…

计算与语言 · 计算机科学 2026-01-27 Gautam Siddharth Kashyap , Harsh Joshi , Niharika Jain , Ebad Shabbir , Jiechao Gao , Nipun Joshi , Usman Naseem

Adding explanations to audio deepfake detection (ADD) models will boost their real-world application by providing insight on the decision making process. In this paper, we propose a relevancy-based explainable AI (XAI) method to analyze the…

机器学习 · 计算机科学 2025-06-10 Petr Grinberg , Ankur Kumar , Surya Koppisetti , Gaurav Bharaj

Due to the successful application of deep learning, audio spoofing detection has made significant progress. Spoofed audio with speech synthesis or voice conversion can be well detected by many countermeasures. However, an automatic speaker…

声音 · 计算机科学 2024-01-12 Lian Huang , Chi-Man Pun