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Steering vectors (SVs) offer a lightweight way to control large language models (LLMs) at inference time by shifting hidden activations, providing a practical middle ground between prompting and fine-tuning. Yet SVs can be unreliable in…

计算与语言 · 计算机科学 2026-02-03 Jiaqian Li , Yanshu Li , Kuan-Hao Huang

The generation of factually incorrect objects, commonly known as object hallucination, remains a persistent challenge in Large Vision-Language Models (LVLMs). Current approaches to address this issue - ranging from expensive data-driven…

人工智能 · 计算机科学 2026-05-26 Yuanzhi Xu , Qian Gao , Jun Fan , Guohui Ding , Zhenyu Yang , Sixue Lin , Yuteng Xiao

The aim of audio-visual segmentation (AVS) is to precisely differentiate audible objects within videos down to the pixel level. Traditional approaches often tackle this challenge by combining information from various modalities, where the…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Dawei Hao , Yuxin Mao , Bowen He , Xiaodong Han , Yuchao Dai , Yiran Zhong

Large vision-language models (LVLMs) often hallucinate content that is fluent yet unsupported by the image, limiting their reliability in real-world deployment. We show that a key failure mode arises from route competition: even when visual…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Zhe Cheng , Wenyu Chen , Fode Zhang , Dehuan Shen

Large Vision-Language Models (LVLMs) are an extension of Large Language Models (LLMs) that facilitate processing both image and text inputs, expanding AI capabilities. However, LVLMs struggle with object hallucinations due to their reliance…

计算与语言 · 计算机科学 2024-08-12 Avshalom Manevich , Reut Tsarfaty

Large vision-language models (LVLMs) suffer from hallucination a lot, generating responses that apparently contradict to the image content occasionally. The key problem lies in its weak ability to comprehend detailed content in a…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Zhiyang Chen , Yousong Zhu , Yufei Zhan , Zhaowen Li , Chaoyang Zhao , Jinqiao Wang , Ming Tang

Steering vectors have emerged as a lightweight and effective approach for aligning large language models (LLMs) at inference time, enabling modulation over model behaviors by shifting LLM representations towards a target behavior. However,…

机器学习 · 计算机科学 2026-04-07 Soham Gadgil , Chris Lin , Su-In Lee

This paper investigates continuous representations of steering vectors over frequency and microphone/source positions for augmented listening (e.g., spatial filtering and binaural rendering), enabling user-parameterized control of the…

音频与语音处理 · 电气工程与系统科学 2026-04-17 Diego Di Carlo , Shoichi Koyama , Nugraha Aditya Arie , Fontaine Mathieu , Bando Yoshiaki , Yoshii Kazuyoshi

Audio-Visual Speech Recognition (AVSR) systems nowadays integrate Large Language Model (LLM) decoders with transformer-based encoders, achieving state-of-the-art results. However, the relative contributions of improved language modelling…

音频与语音处理 · 电气工程与系统科学 2026-04-02 Aristeidis Papadopoulos , Rishabh Jain , Naomi Harte

Today's advanced driver assistance systems (ADAS), like adaptive cruise control or rear collision warning, are finding broader adoption across vehicle classes. Integrating such advanced, multimodal Large Language Models (LLMs) on board a…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Malsha Ashani Mahawatta Dona , Beatriz Cabrero-Daniel , Yinan Yu , Christian Berger

The rapidly developing Large Vision Language Models (LVLMs) have shown notable capabilities on a range of multi-modal tasks, but still face the hallucination phenomena where the generated texts do not align with the given contexts,…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Wenyi Xiao , Ziwei Huang , Leilei Gan , Wanggui He , Haoyuan Li , Zhelun Yu , Fangxun Shu , Hao Jiang , Linchao Zhu

Multimodal large language models (MLLMs) frequently hallucinate by over-committing to spurious visual cues. Prior remedies-Visual and Instruction Contrastive Decoding (VCD, ICD)-mitigate this issue, yet the mechanism remains opaque. We…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Yujun Wang , Aniri , Jinhe Bi , Soeren Pirk , Yunpu Ma

Despite the advanced capabilities of Large Vision-Language Models (LVLMs), they frequently suffer from object hallucination. One reason is that visual features and pretrained textual representations often become intertwined in the deeper…

人工智能 · 计算机科学 2026-05-12 Jialin Wu , Wei Shi , Han Shen , Peigui Qi , Kunsheng Tang , Zhicong Huang , Binghao Wang , Zhou Yang

This paper presents an audio visual automatic speech recognition (AV-ASR) system using a Transformer-based architecture. We particularly focus on the scene context provided by the visual information, to ground the ASR. We extract…

音频与语音处理 · 电气工程与系统科学 2020-05-01 Georgios Paraskevopoulos , Srinivas Parthasarathy , Aparna Khare , Shiva Sundaram

Large Vision-Language Models (LVLMs) have achieved remarkable success but continue to struggle with object hallucination (OH), generating outputs inconsistent with visual inputs. While previous work has proposed methods to reduce OH, the…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Boxu Chen , Ziwei Zheng , Le Yang , Zeyu Geng , Zhengyu Zhao , Chenhao Lin , Chao Shen

Large Language Models suffer from hallucination, generating plausible yet factually incorrect content. Current mitigation strategies focus on post-generation correction, which is computationally expensive and fails to prevent unreliable…

计算与语言 · 计算机科学 2025-10-03 Nandakishor M

It is a critical challenge to efficiently unlock the powerful reasoning potential of Large Language Models (LLMs) for specific tasks or new distributions. Existing test-time adaptation methods often require tuning model parameters, which is…

计算与语言 · 计算机科学 2025-12-05 Xinyue Kang , Diwei Shi , Li Chen

Object hallucination remains a primary obstacle to the reliable deployment of Multimodal Large Language Models (MLLMs). Current inference-time mitigation methods mainly assume hallucinations stem from visual neglect, steering models to…

计算与语言 · 计算机科学 2026-05-28 Jingwen Wu , Xijun Zhang , Ge Song

Hallucinations in large vision--language models (LVLMs) often arise when language priors dominate over visual evidence, leading to object misidentification and visually inconsistent descriptions. We address this problem by framing…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Yujin Jo , Sangyoon Bae , Taesup Kim

The primary aim of Audio-Visual Segmentation (AVS) is to precisely identify and locate auditory elements within visual scenes by accurately predicting segmentation masks at the pixel level. Achieving this involves comprehensively…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Khanh-Binh Nguyen , Chae Jung Park