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Related papers: InstructEngine: Instruction-driven Text-to-Image A…

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Fine-tuning text-to-image models with reward functions trained on human feedback data has proven effective for aligning model behavior with human intent. However, excessive optimization with such reward models, which serve as mere proxy…

Machine Learning · Computer Science 2024-04-03 Kyuyoung Kim , Jongheon Jeong , Minyong An , Mohammad Ghavamzadeh , Krishnamurthy Dvijotham , Jinwoo Shin , Kimin Lee

Evaluating instruction-guided image edits requires rewards that reflect subtle human preferences, yet current reward models typically depend on large-scale preference annotation and additional model training. This creates a data-efficiency…

Text-to-image models are powerful for producing high-quality images based on given text prompts, but crafting these prompts often requires specialized vocabulary. To address this, existing methods train rewriting models with supervision…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Hongji Yang , Yucheng Zhou , Wencheng Han , Jianbing Shen

Text-to-Image (T2I) models have made significant advancements in recent years, but they still struggle to accurately capture intricate details specified in complex compositional prompts. While fine-tuning T2I models with reward objectives…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Luca Eyring , Shyamgopal Karthik , Karsten Roth , Alexey Dosovitskiy , Zeynep Akata

Users often possess a clear visual intent but struggle to articulate it precisely in language. This intention-expression gap makes aligning generated images with latent visual preferences a fundamental challenge in text-to-image diffusion…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Wenxi Wang , Hongbin Liu , Mingqian Li , Junyan Yuan , Junqi Zhang

In the field of scene text spotting, previous OCR methods primarily relied on image encoders and pre-trained text information, but they often overlooked the advantages of incorporating human language instructions. To address this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Chen Duan , Qianyi Jiang , Pei Fu , Jiamin Chen , Shengxi Li , Zining Wang , Shan Guo , Junfeng Luo

Recent advances in machine learning have shown that Reinforcement Learning from Human Feedback (RLHF) can improve machine learning models and align them with human preferences. Although very successful for Large Language Models (LLMs),…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Katie Z Luo , Zhenzhen Liu , Xiangyu Chen , Yurong You , Sagie Benaim , Cheng Perng Phoo , Mark Campbell , Wen Sun , Bharath Hariharan , Kilian Q. Weinberger

Instruction-based image editing has made a great process in using natural human language to manipulate the visual content of images. However, existing models are limited by the quality of the dataset and cannot accurately localize editing…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Tiancheng Li , Jinxiu Liu , Huajun Chen , Qi Liu

Despite recent progress in text-to-image (T2I) generation, existing models often struggle to faithfully capture user intentions from short and under-specified prompts. While prior work has attempted to enhance prompts using large language…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Mingrui Wu , Lu Wang , Pu Zhao , Fangkai Yang , Jianjin Zhang , Jianfeng Liu , Yuefeng Zhan , Weihao Han , Hao Sun , Jiayi Ji , Xiaoshuai Sun , Qingwei Lin , Weiwei Deng , Dongmei Zhang , Feng Sun , Qi Zhang , Rongrong Ji

Reinforcement Learning from Human Feedback (RLHF) can be used to capture complex and nuanced properties of text generation quality. As a result, the task of text summarization has been identified as a good candidate for this process. In…

Computation and Language · Computer Science 2023-11-10 Sian Gooding , Hassan Mansoor

With the rapid advancement of text-to-image (T2I) generation models, assessing the semantic alignment between generated images and text descriptions has become a significant research challenge. Current methods, including those based on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Xinli Yue , JianHui Sun , Junda Lu , Liangchao Yao , Fan Xia , Tianyi Wang , Fengyun Rao , Jing Lyu , Yuetang Deng

Reinforcement Learning from Human Feedback (RLHF) has shown remarkable success in aligning Large Language Models (LLMs) with human preferences. Traditional RLHF methods rely on a fixed dataset, which often suffers from limited coverage. To…

Machine Learning · Computer Science 2025-10-28 Long-Fei Li , Yu-Yang Qian , Peng Zhao , Zhi-Hua Zhou

Text-to-image diffusion models are a class of deep generative models that have demonstrated an impressive capacity for high-quality image generation. However, these models are susceptible to implicit biases that arise from web-scale…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Yinan Zhang , Eric Tzeng , Yilun Du , Dmitry Kislyuk

Despite notable advancements in Multimodal Large Language Models (MLLMs), most state-of-the-art models have not undergone thorough alignment with human preferences. This gap exists because current alignment research has primarily achieved…

Incorporating human feedback has been shown to be crucial to align text generated by large language models to human preferences. We hypothesize that state-of-the-art instructional image editing models, where outputs are generated based on…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Shu Zhang , Xinyi Yang , Yihao Feng , Can Qin , Chia-Chih Chen , Ning Yu , Zeyuan Chen , Huan Wang , Silvio Savarese , Stefano Ermon , Caiming Xiong , Ran Xu

We propose a novel reinforcement learning framework for post training large language models that does not rely on human in the loop feedback. Instead, our approach uses cross attention signals within the model itself to derive a self…

Artificial Intelligence · Computer Science 2025-04-18 Andrew Kiruluta , Andreas Lemos , Priscilla Burity

Reinforcement Learning from Human Feedback (RLHF) is crucial for aligning text-to-image (T2I) models with human preferences. However, RLHF's feedback mechanism also opens new pathways for adversaries. This paper demonstrates the feasibility…

Machine Learning · Computer Science 2025-06-05 Kaiwen Duan , Hongwei Yao , Yufei Chen , Ziyun Li , Tong Qiao , Zhan Qin , Cong Wang

Existing approaches to language model alignment often treat safety as a tradeoff against helpfulness, which can lead to unacceptable responses in sensitive domains. To ensure reliable performance in such settings, we propose High-Confidence…

Machine Learning · Computer Science 2025-06-11 Yaswanth Chittepu , Blossom Metevier , Will Schwarzer , Austin Hoag , Scott Niekum , Philip S. Thomas

Alignment with human preference is a desired property of large language models (LLMs). Currently, the main alignment approach is based on reinforcement learning from human feedback (RLHF). Despite the effectiveness of RLHF, it is intricate…

Computation and Language · Computer Science 2024-04-16 Geyang Guo , Ranchi Zhao , Tianyi Tang , Wayne Xin Zhao , Ji-Rong Wen

While Reinforcement Learning from Human Feedback (RLHF) is widely used to align Large Language Models (LLMs) with human preferences, it typically assumes homogeneous preferences across users, overlooking diverse human values and minority…

Computation and Language · Computer Science 2025-10-28 Yijiang River Dong , Tiancheng Hu , Yinhong Liu , Ahmet Üstün , Nigel Collier