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Vision Language Models (VLMs) can produce unintended and harmful content when exposed to adversarial attacks, particularly because their vision capabilities create new vulnerabilities. Existing defenses, such as input preprocessing,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Han Wang , Gang Wang , Huan Zhang

Hallucination has emerged as a significant barrier to the effective application of Large Language Models (LLMs). In this work, we introduce a novel Attention-Guided SElf-Reflection (AGSER) approach for zero-shot hallucination detection in…

Computation and Language · Computer Science 2025-09-04 Qiang Liu , Xinlong Chen , Yue Ding , Bowen Song , Weiqiang Wang , Shu Wu , Liang Wang

How to effectively interact audio with vision has garnered considerable interest within the multi-modality research field. Recently, a novel audio-visual segmentation (AVS) task has been proposed, aiming to segment the sounding objects in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Tianxiang Chen , Zhentao Tan , Tao Gong , Qi Chu , Yue Wu , Bin Liu , Le Lu , Jieping Ye , Nenghai Yu

Multimodal Large Language Models (MLLMs) achieve strong multimodal reasoning performance, yet we identify a recurring failure mode in long-form generation: as outputs grow longer, models progressively drift away from image evidence and fall…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Shuai Lv , Chang Liu , Feng Tang , Yujie Yuan , Aojun Zhou , Kui Zhang , Xi Yang , Yangqiu Song

The widespread application of AIGC contents has brought not only unprecedented opportunities, but also potential security concerns, e.g., audio-visual deepfakes. Therefore, it is of great importance to develop an effective and generalizable…

Multimedia · Computer Science 2025-11-25 Fan Nie , Jiangqun Ni , Jian Zhang , Bin Zhang , Weizhe Zhang , Bin Li

While Large Vision-Language Models (LVLMs) have exhibited remarkable capabilities across a wide range of tasks, they suffer from hallucination problems, where models generate plausible yet incorrect answers given the input image-query pair.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Xiaoye Qu , Mingyang Song , Wei Wei , Jianfeng Dong , Yu Cheng

As they become increasingly multilingual, Large Language Models (LLMs) exhibit more language confusion, i.e., they tend to generate answers in a language different from the language of the prompt or the answer language explicitly requested…

Computation and Language · Computer Science 2025-09-19 Hannah Sterz , Fabian David Schmidt , Goran Glavaš , Ivan Vulić

Audio-visual speech recognition (AVSR) can effectively and significantly improve the recognition rates of small-vocabulary systems, compared to their audio-only counterparts. For large-vocabulary systems, however, there are still many…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-13 Wentao Yu , Steffen Zeiler , Dorothea Kolossa

Recent advances in Large Vision-Language Models (LVLMs) have significantly improve performance in image comprehension tasks, such as formatted charts and rich-content images. Yet, Graphical User Interface (GUI) pose a greater challenge due…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Ziyang Meng , Yu Dai , Zezheng Gong , Shaoxiong Guo , Minglong Tang , Tongquan Wei

In this paper, we focus on audio violence detection (AVD). AVD is necessary for several reasons, especially in the context of maintaining safety, preventing harm, and ensuring security in various environments. This calls for accurate AVD…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-12 Sarthak Jain , Orchid Chetia Phukan , Arun Balaji Buduru , Rajesh Sharma

Hallucinations in large vision-language models (LVLMs) pose significant challenges for real-world applications, as LVLMs may generate responses that appear plausible yet remain inconsistent with the associated visual content. This issue…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Xin Dong , Shichao Dong , Jin Wang , Jing Huang , Li Zhou , Zenghui Sun , Lihua Jing , Jingsong Lan , Xiaoyong Zhu , Bo Zheng

Audio-visual speech recognition (AVSR) combines audio-visual modalities to improve speech recognition, especially in noisy environments. However, most existing methods deploy the unidirectional enhancement or symmetric fusion manner, which…

Multimedia · Computer Science 2025-08-12 Junxiao Xue , Xiaozhen Liu , Xuecheng Wu , Xinyi Yin , Danlei Huang , Fei Yu

Audio-Visual Segmentation (AVS) aims to identify, at the pixel level, the object in a visual scene that produces a given sound. Current AVS methods rely on costly fine-grained annotations of mask-audio pairs, making them impractical for…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Swapnil Bhosale , Haosen Yang , Diptesh Kanojia , Jiangkang Deng , Xiatian Zhu

Large Language Models (LLMs) are one of the most promising technologies for the next era of speech generation systems, due to their scalability and in-context learning capabilities. Nevertheless, they suffer from multiple stability issues…

Large Language Models (LLMs) are widely used in industry but remain prone to hallucinations, limiting their reliability in critical applications. This work addresses hallucination reduction in consumer grievance chatbots built using LLaMA…

Audio-visual segmentation (AVS) aims to segment sound sources in the video sequence, requiring a pixel-level understanding of audio-visual correspondence. As the Segment Anything Model (SAM) has strongly impacted extensive fields of dense…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Juhyeong Seon , Woobin Im , Sebin Lee , Jumin Lee , Sung-Eui Yoon

Community researchers have developed a range of advanced audio-visual segmentation models aimed at improving the quality of sounding objects' masks. While masks created by these models may initially appear plausible, they occasionally…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Peiwen Sun , Honggang Zhang , Di Hu

Vision-Language Models (VLMs) excel at grounded reasoning but remain prone to object hallucination. Recent work treats self-generated captions as a uniformly positive resource, yet we find that naively embedding one can degrade rather than…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zeshang Li , Shuoyang Zhang

We develop a new approach to robust adaptive beamforming in the presence of signal steering vector errors. Since the signal steering vector is known imprecisely, its presumed (prior) value is used to find a more accurate estimate of the…

Information Theory · Computer Science 2012-05-15 Arash Khabbazibasmenj , Sergiy A. Vorobyov , Aboulnasr Hassanien

Object hallucination in Large Vision-Language Models (LVLMs) severely compromises their reliability in real-world applications, posing a critical barrier to their deployment in high-stakes scenarios such as autonomous driving and medical…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Han Sun , Qin Li , Peixin Wang , Min Zhang