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Image recaptioning is widely used to generate training datasets with enhanced quality for various multimodal tasks. Existing recaptioning methods typically rely on powerful multimodal large language models (MLLMs) to enhance textual…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Yuchi Wang , Yishuo Cai , Shuhuai Ren , Sihan Yang , Linli Yao , Yuanxin Liu , Yuanxing Zhang , Pengfei Wan , Xu Sun

Automated audio captioning is a task that generates textual descriptions for audio content, and recent studies have explored using visual information to enhance captioning quality. However, current methods often fail to effectively fuse…

Multimedia · Computer Science 2025-03-18 Kyeongha Rho , Hyeongkeun Lee , Valentio Iverson , Joon Son Chung

Large Language Models (LLMs) demonstrate transformative potential, yet their reasoning remains inconsistent and unreliable. Reinforcement learning (RL)-based fine-tuning is a key mechanism for improvement, but its effectiveness is…

Machine Learning · Computer Science 2026-02-11 Pei-Chi Pan , Yingbin Liang , Sen Lin

Automatic video captioning aims for a holistic visual scene understanding. It requires a mechanism for capturing temporal context in video frames and the ability to comprehend the actions and associations of objects in a given timeframe.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-22 Daniel Lukas Rothenpieler , Shahin Amiriparian

Image captioning is a challenging problem owing to the complexity in understanding the image content and diverse ways of describing it in natural language. Recent advances in deep neural networks have substantially improved the performance…

Computer Vision and Pattern Recognition · Computer Science 2017-04-14 Zhou Ren , Xiaoyu Wang , Ning Zhang , Xutao Lv , Li-Jia Li

Video captioning is a challenging task as it needs to accurately transform visual understanding into natural language description. To date, state-of-the-art methods inadequately model global-local representation across video frames for…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Liqi Yan , Qifan Wang , Yiming Cui , Fuli Feng , Xiaojun Quan , Xiangyu Zhang , Dongfang Liu

Multilingual image captioning has recently been tackled by training with large-scale machine translated data, which is an expensive, noisy, and time-consuming process. Without requiring any multilingual caption data, we propose LMCap, an…

Computation and Language · Computer Science 2023-06-01 Rita Ramos , Bruno Martins , Desmond Elliott

When captioning an image, people describe objects in diverse ways, such as by using different terms and/or including details that are perceptually noteworthy to them. Descriptions can be especially unique across languages and cultures.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Kyle Buettner , Jacob T. Emmerson , Adriana Kovashka

Multimodal Large Language Models (MLLMs) perform well in single-image visual grounding but struggle with real-world tasks that demand cross-image reasoning and multi-modal instructions. To address this, we adopt a reinforcement learning…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Bob Zhang , Haoran Li , Tao Zhang , Jianan Li , Cilin Yan , Xikai Liu , Jiayin Cai , Yanbin Hao

The task of image captioning demands an algorithm to generate natural language descriptions of visual inputs. Recent advancements have seen a convergence between image captioning research and the development of Large Language Models (LLMs)…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Davide Bucciarelli , Nicholas Moratelli , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

We propose OmniCaptioner, a versatile visual captioning framework for generating fine-grained textual descriptions across a wide variety of visual domains. Unlike prior methods limited to specific image types (e.g., natural images or…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yiting Lu , Jiakang Yuan , Zhen Li , Shitian Zhao , Qi Qin , Xinyue Li , Le Zhuo , Licheng Wen , Dongyang Liu , Yuewen Cao , Xiangchao Yan , Xin Li , Tianshuo Peng , Shufei Zhang , Botian Shi , Tao Chen , Zhibo Chen , Lei Bai , Peng Gao , Bo Zhang

In this paper, we propose a solution for improving the quality of captions generated for figures in papers. We adopt the approach of summarizing the textual content in the paper to generate image captions. Throughout our study, we encounter…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Dian Chao , Xin Song , Shupeng Zhong , Boyuan Wang , Xiangyu Wu , Chen Zhu , Yang Yang

Reinforcement Learning with Verifiable Rewards (RLVR) for large language models (LLMs) has achieved remarkable progress in enhancing LLMs' reasoning capabilities on tasks with clear correctness criteria, such as mathematical reasoning…

Artificial Intelligence · Computer Science 2025-09-30 Guanxu Chen , Yafu Li , Yuxian Jiang , Chen Qian , Qihan Ren , Jingyi Yang , Yu Cheng , Dongrui Liu , Jing Shao

Vision-language models (VLMs) often struggle to generate accurate and detailed captions for high-resolution images since they are typically pre-trained on low-resolution inputs (e.g., 224x224 or 336x336 pixels). Downscaling high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Hankyeol Lee , Gawon Seo , Kyounggyu Lee , Dogun Kim , Kyungwoo Song , Jiyoung Jung

Many vision-language tasks can be reduced to the problem of sequence prediction for natural language output. In particular, recent advances in image captioning use deep reinforcement learning (RL) to alleviate the "exposure bias" during…

Computer Vision and Pattern Recognition · Computer Science 2018-08-23 Daqing Liu , Zheng-Jun Zha , Hanwang Zhang , Yongdong Zhang , Feng Wu

Advancements in large Vision-Language Models have brought precise, accurate image captioning, vital for advancing multi-modal image understanding and processing. Yet these captions often carry lengthy, intertwined contexts that are…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Zhantao Yang , Ruili Feng , Keyu Yan , Huangji Wang , Zhicai Wang , Shangwen Zhu , Han Zhang , Jie Xiao , Pingyu Wu , Kai Zhu , Jixuan Chen , Chen-Wei Xie , Yue Yang , Hongyang Zhang , Yu Liu , Fan Cheng

Multilingual vision-language models have made significant strides in image captioning, yet they still lag behind their English counterparts due to limited multilingual training data and costly large-scale model parameterization.…

Computation and Language · Computer Science 2025-07-29 George Ibrahim , Rita Ramos , Yova Kementchedjhieva

The application of reinforcement learning (RL) to enhance the reasoning capabilities of Multimodal Large Language Models (MLLMs) constitutes a rapidly advancing research area. While MLLMs extend Large Language Models (LLMs) to handle…

Artificial Intelligence · Computer Science 2025-05-22 Guanghao Zhou , Panjia Qiu , Cen Chen , Jie Wang , Zheming Yang , Jian Xu , Minghui Qiu

The recent advancements in Vision Language Models (VLMs) have demonstrated progress toward true intelligence requiring robust reasoning capabilities. Beyond pattern recognition, linguistic reasoning must integrate with visual comprehension,…

Artificial Intelligence · Computer Science 2026-04-06 Yunfei Bai , Amit Dhanda , Shekhar Jain

Multimodal Large Language Models (MLLMs) exhibit impressive performance across various visual tasks. Subsequent investigations into enhancing their visual reasoning abilities have significantly expanded their performance envelope. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yang Chen , Yufan Shen , Wenxuan Huang , Sheng Zhou , Qunshu Lin , Xinyu Cai , Zhi Yu , Jiajun Bu , Botian Shi , Yu Qiao