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Reinforcement Learning from Human Feedback (RLHF) is a widely adopted approach for aligning large language models with human values. However, RLHF relies on a reward model that is trained with a limited amount of human preference data,…

机器学习 · 计算机科学 2024-10-23 Shun Zhang , Zhenfang Chen , Sunli Chen , Yikang Shen , Zhiqing Sun , Chuang Gan

While Reinforcement Learning from Human Feedback (RLHF) has become a pivotal paradigm for text-to-image generation, its application to image editing remains largely unexplored. A key bottleneck is the lack of a robust general reward model…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Hanzhong Guo , Jie Wu , Jie Liu , Yu Gao , Zilyu Ye , Linxiao Yuan , Xionghui Wang , Yizhou Yu , Weilin Huang

Human evaluation is critical for validating the performance of text-to-image generative models, as this highly cognitive process requires deep comprehension of text and images. However, our survey of 37 recent papers reveals that many works…

计算机视觉与模式识别 · 计算机科学 2023-04-05 Mayu Otani , Riku Togashi , Yu Sawai , Ryosuke Ishigami , Yuta Nakashima , Esa Rahtu , Janne Heikkilä , Shin'ichi Satoh

Generative models have driven significant progress in a variety of AI tasks, including text-to-video generation, where models like Video LDM and Stable Video Diffusion can produce realistic, movie-level videos from textual instructions.…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Xuyang Guo , Zekai Huang , Jiayan Huo , Yingyu Liang , Zhenmei Shi , Zhao Song , Jiahao Zhang

Text-to-video retrieval systems have recently made significant progress by utilizing pre-trained models trained on large-scale image-text pairs. However, most of the latest methods primarily focus on the video modality while disregarding…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Sarah Ibrahimi , Xiaohang Sun , Pichao Wang , Amanmeet Garg , Ashutosh Sanan , Mohamed Omar

Reinforcement learning from human feedback (RLHF) has emerged as the primary method for aligning large language models (LLMs) with human preferences. The RLHF process typically starts by training a reward model (RM) using human preference…

机器学习 · 计算机科学 2024-06-19 Haoxiang Wang , Wei Xiong , Tengyang Xie , Han Zhao , Tong Zhang

Human preferences are widely used to align large language models (LLMs) through methods such as reinforcement learning from human feedback (RLHF). However, the current user interfaces require annotators to compare text paragraphs, which is…

人机交互 · 计算机科学 2025-07-28 Danqing Shi , Furui Cheng , Tino Weinkauf , Antti Oulasvirta , Mennatallah El-Assady

Large Vision-Language Models (LVLMs) have shown promising capabilities in understanding and generating information by integrating both visual and textual data. However, current models are still prone to hallucinations, which degrade the…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Robert Wijaya , Ngoc-Bao Nguyen , Ngai-Man Cheung

As large language models increasingly drive real-world applications, aligning them with human values becomes paramount. Reinforcement Learning from Human Feedback (RLHF) has emerged as a key technique, translating preference data into…

机器学习 · 计算机科学 2025-02-07 Yunzhen Feng , Ariel Kwiatkowski , Kunhao Zheng , Julia Kempe , Yaqi Duan

Evaluating video captioning systems is a challenging task as there are multiple factors to consider; for instance: the fluency of the caption, multiple actions happening in a single scene, and the human bias of what is considered important.…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Luis Lebron , Yvette Graham , Kevin McGuinness , Konstantinos Kouramas , Noel E. O'Connor

Large Language Models (LLMs) have demonstrated remarkable capabilities in open-ended text generation tasks. However, the inherent open-ended nature of these tasks implies that there is always room for improvement in the quality of model…

计算与语言 · 计算机科学 2024-09-16 Ziqi Wang , Le Hou , Tianjian Lu , Yuexin Wu , Yunxuan Li , Hongkun Yu , Heng Ji

Reinforcement Learning from Human Feedback (RLHF), using algorithms like Proximal Policy Optimization (PPO), aligns Large Language Models (LLMs) with human values but is costly and unstable. Alternatives have been proposed to replace PPO or…

计算与语言 · 计算机科学 2026-04-03 Liang Zhu , Feiteng Fang , Yuelin Bai , Longze Chen , Zhexiang Zhang , Minghuan Tan , Min Yang

Reinforcement Learning from Human Feedback (RLHF) has emerged as a pivotal technique for aligning artificial intelligence systems with human values, achieving remarkable success in fine-tuning large language models. However, existing RLHF…

机器学习 · 计算机科学 2025-03-26 Renpu Liu , Peng Wang , Donghao Li , Cong Shen , Jing Yang

We introduce ALaRM, the first framework modeling hierarchical rewards in reinforcement learning from human feedback (RLHF), which is designed to enhance the alignment of large language models (LLMs) with human preferences. The framework…

计算与语言 · 计算机科学 2024-03-19 Yuhang Lai , Siyuan Wang , Shujun Liu , Xuanjing Huang , Zhongyu Wei

Learning from human feedback has become a pivot technique in aligning large language models (LLMs) with human preferences. However, acquiring vast and premium human feedback is bottlenecked by time, labor, and human capability, resulting in…

计算与语言 · 计算机科学 2024-07-17 Ganqu Cui , Lifan Yuan , Ning Ding , Guanming Yao , Bingxiang He , Wei Zhu , Yuan Ni , Guotong Xie , Ruobing Xie , Yankai Lin , Zhiyuan Liu , Maosong Sun

The rapid advancement of photorealistic Text-to-Video (T2V) generation brings in an urgent need for up-to-date evaluation methods. Existing benchmarks largely overlooked implausible scenarios and do not measure audio-visual alignment. We…

多媒体 · 计算机科学 2026-05-05 Advait Tilak , Jiwon Choi , Nazifa Mouli , Wei Le

Pretrained language models often generate outputs that are not in line with human preferences, such as harmful text or factually incorrect summaries. Recent work approaches the above issues by learning from a simple form of human feedback:…

计算与语言 · 计算机科学 2024-02-26 Jérémy Scheurer , Jon Ander Campos , Tomasz Korbak , Jun Shern Chan , Angelica Chen , Kyunghyun Cho , Ethan Perez

Existing visual instruction tuning methods typically prompt large language models with textual descriptions to generate instruction-following data. Despite the promising performance achieved, these descriptions are derived from image…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Junke Wang , Lingchen Meng , Zejia Weng , Bo He , Zuxuan Wu , Yu-Gang Jiang

Large Multimodal Models (LMM) are built across modalities and the misalignment between two modalities can result in "hallucination", generating textual outputs that are not grounded by the multimodal information in context. To address the…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Zhiqing Sun , Sheng Shen , Shengcao Cao , Haotian Liu , Chunyuan Li , Yikang Shen , Chuang Gan , Liang-Yan Gui , Yu-Xiong Wang , Yiming Yang , Kurt Keutzer , Trevor Darrell

Aligning LLM-based judges with human preferences is a significant challenge, as they are difficult to calibrate and often suffer from rubric sensitivity, bias, and instability. Overcoming this challenge advances key applications, such as…

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