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Existing automatic captioning methods for visual content face challenges such as lack of detail, content hallucination, and poor instruction following. In this work, we propose VisualFactChecker (VFC), a flexible training-free pipeline that…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Yunhao Ge , Xiaohui Zeng , Jacob Samuel Huffman , Tsung-Yi Lin , Ming-Yu Liu , Yin Cui

While Large Language Models (LLMs) demonstrate remarkable reasoning, complex optimization tasks remain challenging, requiring domain knowledge and robust implementation. However, existing benchmarks focus narrowly on Mathematical…

Computation and Language · Computer Science 2026-04-24 Xinyu Zhang , Boxuan Zhang , Yuchen Wan , Lingling Zhang , YiXing Yao , Bifan Wei , Yaqiang Wu , Jun Liu

Document content extraction is a critical task in computer vision, underpinning the data needs of large language models (LLMs) and retrieval-augmented generation (RAG) systems. Despite recent progress, current document parsing methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Linke Ouyang , Yuan Qu , Hongbin Zhou , Jiawei Zhu , Rui Zhang , Qunshu Lin , Bin Wang , Zhiyuan Zhao , Man Jiang , Xiaomeng Zhao , Jin Shi , Fan Wu , Pei Chu , Minghao Liu , Zhenxiang Li , Chao Xu , Bo Zhang , Botian Shi , Zhongying Tu , Conghui He

High-quality, large-scale audio captioning is crucial for advancing audio understanding, yet current automated methods often generate captions that lack fine-grained detail and contextual accuracy, primarily due to their reliance on limited…

Sound · Computer Science 2025-06-03 Shunian Chen , Xinyuan Xie , Zheshu Chen , Liyan Zhao , Owen Lee , Zhan Su , Qilin Sun , Benyou Wang

Recent advancements in omnimodal large language models (OmniLLMs) have significantly improved the comprehension of audio and video inputs. However, current evaluations primarily focus on short audio and video clips ranging from 10 seconds…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Keda Tao , Yuhua Zheng , Jia Xu , Wenjie Du , Kele Shao , Hesong Wang , Xueyi Chen , Xin Jin , Junhan Zhu , Bohan Yu , Weiqiang Wang , Jian Liu , Can Qin , Yulun Zhang , Ming-Hsuan Yang , Huan Wang

There has been significant research on developing pretrained transformer architectures for multimodal-to-text generation tasks. Albeit performance improvements, such models are frequently overparameterized, hence suffer from hallucination…

Computation and Language · Computer Science 2023-09-08 Arvind Krishna Sridhar , Yinyi Guo , Erik Visser , Rehana Mahfuz

There has been significant progress in open-source text-only translation large language models (LLMs) with better language coverage and quality. However, these models can be only used in cascaded pipelines for speech translation (ST),…

Computation and Language · Computer Science 2026-04-02 Sai Koneru , Matthias Huck , Jan Niehues

Vision-Language Models (VLMs) often yield inconsistent descriptions of the same object across viewpoints, hindering the ability of embodied agents to construct consistent semantic representations over time. Previous methods resolved…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Tommaso Galliena , Stefano Rosa , Tommaso Apicella , Pietro Morerio , Alessio Del Bue , Lorenzo Natale

Vision-Language Models (VLMs) have demonstrated strong capabilities across a wide range of multimodal tasks. However, recent studies have shown that VLMs, such as CLIP, perform poorly in understanding negation expressions, which are common…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Jingqi Xu

Current research on video hallucination mitigation primarily focuses on isolated error types, leaving compositional hallucinations, arising from incorrect reasoning over multiple interacting spatial and temporal factors largely…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Wenbin Xing , Quanxing Zha , Lizheng Zu , Mengran Li , Ming Li , Junchi Yan

Current universal segmentation methods demonstrate strong capabilities in pixel-level image and video understanding. However, they lack reasoning abilities and cannot be controlled via text instructions. In contrast, large vision-language…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Tao Zhang , Xiangtai Li , Hao Fei , Haobo Yuan , Shengqiong Wu , Shunping Ji , Chen Change Loy , Shuicheng Yan

Multimodal retrieval is the task of aggregating information from queries across heterogeneous modalities to retrieve desired targets. State-of-the-art multimodal retrieval models can understand complex queries, yet they are typically…

Information Retrieval · Computer Science 2026-03-25 Chuong Huynh , Manh Luong , Abhinav Shrivastava

Large Language Models (LLMs) have advanced audio generation through discrete representation learning. However, most existing neural codecs focus on speech and emphasize reconstruction fidelity, overlooking unified low frame rate modeling…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-24 Jingbin Hu , Haoyu Zhang , Dake Guo , Qirui Zhan , Wenhao Li , Huakang Chen , Guobin Ma , Hanke Xie , Chengyou Wang , Pengyuan Xie , Chuan Xie , Qiang Zhang , Lei Xie

Understanding videos inherently requires reasoning over both visual and auditory information. To properly evaluate Omni-Large Language Models (Omni-LLMs), which are capable of processing multi-modal information including vision and audio,…

Multimedia · Computer Science 2026-05-15 Jianghan Chao , Jianzhang Gao , Wenhui Tan , Yuchong Sun , Ruihua Song , Liyun Ru

Video detailed captioning aims to generate comprehensive video descriptions to facilitate video understanding. Recently, most efforts in the video detailed captioning community have been made towards a local-to-global paradigm, which first…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Wan Xu , Feng Zhu , Yihan Zeng , Yuanfan Guo , Ming Liu , Hang Xu , Wangmeng Zuo

Omnimodal large language models enable unified audio video understanding, but long joint token sequences make inference costly, and existing benchmarks do not fully isolate audio visual association in noisy user generated videos. We…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Peiran Wu , Yunze Liu , Chi-Hao Wu , Chen Chen , Junxiao Shen

While large-scale diffusion models have revolutionized video synthesis, achieving precise control over both multi-subject identity and multi-granularity motion remains a significant challenge. Recent attempts to bridge this gap often suffer…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Yujie Wei , Xinyu Liu , Shiwei Zhang , Hangjie Yuan , Jinbo Xing , Zhekai Chen , Xiang Wang , Haonan Qiu , Rui Zhao , Yutong Feng , Ruihang Chu , Yingya Zhang , Yike Guo , Xihui Liu , Hongming Shan

Multimodal large language models (MLLMs) are expected to jointly interpret vision, audio, and language, yet existing video benchmarks rarely assess fine-grained reasoning about human speech. Many tasks remain visually solvable or only…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Le Thien Phuc Nguyen , Zhuoran Yu , Samuel Low Yu Hang , Subin An , Jeongik Lee , Yohan Ban , SeungEun Chung , Thanh-Huy Nguyen , JuWan Maeng , Soochahn Lee , Yong Jae Lee

Omni-modal reasoning is essential for intelligent systems to understand and draw inferences from diverse data sources. While existing omni-modal large language models (OLLM) excel at perceiving diverse modalities, they lack the complex…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yiran Guan , Sifan Tu , Dingkang Liang , Linghao Zhu , Jianzhong Ju , Zhenbo Luo , Jian Luan , Yuliang Liu , Xiang Bai

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,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Wenyi Xiao , Ziwei Huang , Leilei Gan , Wanggui He , Haoyuan Li , Zhelun Yu , Fangxun Shu , Hao Jiang , Linchao Zhu