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Related papers: FigCaps-HF: A Figure-to-Caption Generative Framewo…

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Reinforcement learning from human feedback (RLHF) has emerged as an effective approach to aligning large language models (LLMs) to human preferences. RLHF contains three steps, i.e., human preference collecting, reward learning, and policy…

Computation and Language · Computer Science 2024-03-29 Hao Lang , Fei Huang , Yongbin Li

In the era of increasing privacy concerns and demand for personalized experiences, traditional Reinforcement Learning with Human Feedback (RLHF) frameworks face significant challenges due to their reliance on centralized data. We introduce…

Machine Learning · Computer Science 2025-02-11 Flint Xiaofeng Fan , Cheston Tan , Yew-Soon Ong , Roger Wattenhofer , Wei-Tsang Ooi

A trustworthy real-world prediction system should produce well-calibrated confidence scores; that is, its confidence in an answer should be indicative of the likelihood that the answer is correct, enabling deferral to an expert in cases of…

Computation and Language · Computer Science 2023-10-25 Katherine Tian , Eric Mitchell , Allan Zhou , Archit Sharma , Rafael Rafailov , Huaxiu Yao , Chelsea Finn , Christopher D. Manning

Reinforcement learning from human feedback (RLHF) is widely used to align large language models (LLMs) with human preferences. However, RLHF-trained reward models often exhibit length bias -- a systematic tendency to favor longer responses…

Computation and Language · Computer Science 2025-11-18 Hyeonji Kim , Sujeong Oh , Sanghack Lee

We argue that generative text-to-image models often struggle with prompt adherence due to the noisy and unstructured nature of large-scale datasets like LAION-5B. This forces users to rely heavily on prompt engineering to elicit desirable…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Nicholas Merchant , Haitz Sáez de Ocáriz Borde , Andrei Cristian Popescu , Carlos Garcia Jurado Suarez

The recent progress on image recognition and language modeling is making automatic description of image content a reality. However, stylized, non-factual aspects of the written description are missing from the current systems. One such…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Alexander Mathews , Lexing Xie , Xuming He

Stylized visual captioning aims to generate image or video descriptions with specific styles, making them more attractive and emotionally appropriate. One major challenge with this task is the lack of paired stylized captions for visual…

Multimedia · Computer Science 2023-08-01 Dingyi Yang , Hongyu Chen , Xinglin Hou , Tiezheng Ge , Yuning Jiang , Qin Jin

Previous works show that noisy, web-crawled image-text pairs may limit vision-language pretraining like CLIP and propose learning with synthetic captions as a promising alternative. Our work continues this effort, introducing two simple yet…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Yanqing Liu , Xianhang Li , Zeyu Wang , Bingchen Zhao , Cihang Xie

Generating complex behaviors that satisfy the preferences of non-expert users is a crucial requirement for AI agents. Interactive reward learning from trajectory comparisons (a.k.a. RLHF) is one way to allow non-expert users to convey…

Artificial Intelligence · Computer Science 2023-03-01 Lin Guan , Karthik Valmeekam , Subbarao Kambhampati

Figures and their captions play a key role in scientific publications. However, despite their importance, many captions in published papers are poorly crafted, largely due to a lack of attention by paper authors. While prior AI research has…

Human-Computer Interaction · Computer Science 2025-01-14 Ho Yin , Ng , Ting-Yao Hsu , Jiyoo Min , Sungchul Kim , Ryan A. Rossi , Tong Yu , Hyunggu Jung , Ting-Hao 'Kenneth' Huang

Objective speech quality measures are typically used to assess speech enhancement algorithms, but it has been shown that they are sub-optimal as learning objectives because they do not always align well with human subjective ratings. This…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-18 Anurag Kumar , Andrew Perrault , Donald S. Williamson

Reinforcement Learning from Human feedback (RLHF) has become a powerful tool to fine-tune or train agentic machine learning models. Similar to how humans interact in social contexts, we can use many types of feedback to communicate our…

Machine Learning · Computer Science 2025-02-21 Yannick Metz , David Lindner , Raphaël Baur , Mennatallah El-Assady

Reinforcement Learning with Human Feedback (RLHF) has emerged as an influential technique, enabling the alignment of large language models (LLMs) with human preferences. Despite the promising potential of RLHF, how to protect user…

Machine Learning · Computer Science 2025-02-26 Jiaming Zhang , Mingxi Lei , Meng Ding , Mengdi Li , Zihang Xiang , Difei Xu , Jinhui Xu , Di Wang

Image captioning is a fundamental task that bridges the visual and linguistic domains, playing a critical role in pre-training Large Vision-Language Models (LVLMs). Current state-of-the-art captioning models are typically trained with…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Long Xing , Xiaoyi Dong , Yuhang Zang , Yuhang Cao , Jianze Liang , Qidong Huang , Jiaqi Wang , Feng Wu , Dahua Lin

Massive web datasets play a key role in the success of large vision-language models like CLIP and Flamingo. However, the raw web data is noisy, and existing filtering methods to reduce noise often come at the expense of data diversity. Our…

Machine Learning · Computer Science 2023-10-27 Thao Nguyen , Samir Yitzhak Gadre , Gabriel Ilharco , Sewoong Oh , Ludwig Schmidt

While deep-learning models have been shown to perform well on image-to-text datasets, it is difficult to use them in practice for captioning images. This is because captions traditionally tend to be context-dependent and offer complementary…

Machine Learning · Computer Science 2023-06-07 Shinjini Ghosh , Sagnik Anupam

Recent strides in large language models (LLMs) have yielded remarkable performance, leveraging reinforcement learning from human feedback (RLHF) to significantly enhance generation and alignment capabilities. However, RLHF encounters…

Computation and Language · Computer Science 2024-05-31 Kuo Liao , Shuang Li , Meng Zhao , Liqun Liu , Mengge Xue , Zhenyu Hu , Honglin Han , Chengguo Yin

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

Text-to-image models have rapidly evolved from casual creative tools to professional-grade systems, achieving unprecedented levels of image quality and realism. Yet, most models are trained to map short prompts into detailed images,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Eyal Gutflaish , Eliran Kachlon , Hezi Zisman , Tal Hacham , Nimrod Sarid , Alexander Visheratin , Saar Huberman , Gal Davidi , Guy Bukchin , Kfir Goldberg , Ron Mokady

We present a novel multimodal preference dataset for creative tasks, consisting of over 250 million human ratings on more than 2.2 million captions, collected through crowdsourcing rating data for The New Yorker's weekly cartoon caption…