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Real-world image captions often lack contextual depth, omitting crucial details such as event background, temporal cues, outcomes, and named entities that are not visually discernible. This gap limits the effectiveness of image…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Nguyen Lam Phu Quy , Pham Phu Hoa , Tran Chi Nguyen , Dao Sy Duy Minh , Nguyen Hoang Minh Ngoc , Huynh Trung Kiet

Understanding videos is an important research topic for multimodal learning. Leveraging large-scale datasets of web-crawled video-text pairs as weak supervision has become a pre-training paradigm for learning joint representations and…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Gengyuan Zhang , Jinhe Bi , Jindong Gu , Yanyu Chen , Volker Tresp

Automated fact-checking is a crucial task that supports a responsible information ecosystem. While recent research has progressed from text-only to multimodal fact-checking, a prevailing assumption is that incorporating visual evidence…

计算与语言 · 计算机科学 2026-05-14 Jaeyoon Jung , Yejun Yoon , Kunwoo Park

Amid the proliferation of forged images, notably the tsunami of deepfake content, extensive research has been conducted on using artificial intelligence (AI) to identify forged content in the face of continuing advancements in…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Shuhan Cui , Huy H. Nguyen , Trung-Nghia Le , Chun-Shien Lu , Isao Echizen

Online disinformation poses an escalating threat to society, driven increasingly by the rapid spread of misleading content across both multimedia and multilingual platforms. While automated fact-checking methods have advanced in recent…

计算与语言 · 计算机科学 2026-01-19 Rafael Martins Frade , Rrubaa Panchendrarajan , Arkaitz Zubiaga

While role-playing agents excel in short-term interactions, long-term conversations overwhelm context windows, motivating external memory frameworks. Current systems typically rely on persona-agnostic summarization, which records facts…

计算与语言 · 计算机科学 2026-05-26 Rongsheng Zhang , Ruofan Hu , Weijie Chen , Jiji Tang , Junnan Ren , Wanying Wu , Xunuoyan Chen , Tangjie Lv , Tao Jin , Zhou Zhao

Misinformation and disinformation demand fact checking that goes beyond simple evidence-based reasoning. Existing benchmarks fall short: they are largely single modality (text-only), span short time horizons, use shallow evidence, cover…

社会与信息网络 · 计算机科学 2025-10-30 Wenyan Xu , Dawei Xiang , Tianqi Ding , Weihai Lu

Video understanding requires not only recognizing visual content but also performing temporally grounded, multi-step reasoning over long and noisy observations. We propose Process-of-Thought (PoT) Reasoning for Videos, a framework that…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Jusheng Zhang , Kaitong Cai , Jian Wang , Yongsen Zheng , Kwok-Yan Lam , Keze Wang

Deep models that are both effective and explainable are desirable in many settings; prior explainable models have been unimodal, offering either image-based visualization of attention weights or text-based generation of post-hoc…

Multimodal large language models (MLLMs) have achieved remarkable progress in video understanding. However, seemingly plausible outputs often suffer from poor visual and temporal grounding: a model may fabricate object existence, assign…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Yihao Quan , Zeru Shi , Jinman Zhao , Ruixiang Tang

Video caption refers to generating a descriptive sentence for a specific short video clip automatically, which has achieved remarkable success recently. However, most of the existing methods focus more on visual information while ignoring…

计算机视觉与模式识别 · 计算机科学 2017-12-12 Wangli Hao , Zhaoxiang Zhang , He Guan , Guibo Zhu

Fact-checking is an essential tool to mitigate the spread of misinformation and disinformation. We introduce the task of fact-checking in dialogue, which is a relatively unexplored area. We construct DialFact, a testing benchmark dataset of…

计算与语言 · 计算机科学 2022-03-25 Prakhar Gupta , Chien-Sheng Wu , Wenhao Liu , Caiming Xiong

Multi-label image recognition in the low-label regime is a task of great challenge and practical significance. Previous works have focused on learning the alignment between textual and visual spaces to compensate for limited image labels,…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Ping Hu , Ximeng Sun , Stan Sclaroff , Kate Saenko

Misinformation is often conveyed in multiple modalities, e.g. a miscaptioned image. Multimodal misinformation is perceived as more credible by humans, and spreads faster than its text-only counterparts. While an increasing body of research…

计算与语言 · 计算机科学 2023-10-27 Mubashara Akhtar , Michael Schlichtkrull , Zhijiang Guo , Oana Cocarascu , Elena Simperl , Andreas Vlachos

Fact-checking real-world claims often requires reviewing multiple multimodal documents to assess a claim's truthfulness, which is a highly laborious and time-consuming task. In this paper, we present a summarization model designed to…

人工智能 · 计算机科学 2024-09-23 Ting-Chih Chen , Chia-Wei Tang , Chris Thomas

Multimodal summarization aims to generate a concise summary based on the input text and image. However, the existing methods potentially suffer from unfactual output. To evaluate the factuality of multimodal summarization models, we propose…

计算与语言 · 计算机科学 2025-12-01 Yue Zhang , Jingxuan Zuo , Ke Su , Liqiang Jing

In today's era of digital misinformation, we are increasingly faced with new threats posed by video falsification techniques. Such falsifications range from cheapfakes (e.g., lookalikes or audio dubbing) to deepfakes (e.g., sophisticated AI…

计算机视觉与模式识别 · 计算机科学 2022-12-05 Shruti Agarwal , Liwen Hu , Evonne Ng , Trevor Darrell , Hao Li , Anna Rohrbach

Image captioning, which generates natural language descriptions of the visual information in an image, is a crucial task in vision-language research. Previous models have typically addressed this task by aligning the generative capabilities…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Qian Cao , Xu Chen , Ruihua Song , Xiting Wang , Xinting Huang , Yuchen Ren

Multi-modal fact verification has become an important but challenging issue on social media due to the mismatch between the text and images in the misinformation of news content, which has been addressed by considering cross-modalities to…

计算与语言 · 计算机科学 2023-02-16 Wei-Wei Du , Hong-Wei Wu , Wei-Yao Wang , Wen-Chih Peng

The growing complexity of factual claims in real-world scenarios presents significant challenges for automated fact verification systems, particularly in accurately aggregating and reasoning over multi-hop evidence. Existing approaches…

人工智能 · 计算机科学 2025-06-10 Liwen Zheng , Chaozhuo Li , Haoran Jia , Xi Zhang