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Common image editing tasks typically adopt powerful generative diffusion models as the leading paradigm for real-world content editing. Meanwhile, although reinforcement learning (RL) methods such as Diffusion-DPO and Flow-GRPO have further…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Fan Li , Chonghuinan Wang , Lina Lei , Yuping Qiu , Jiaqi Xu , Jiaxiu Jiang , Xinran Qin , Zhikai Chen , Fenglong Song , Zhixin Wang , Renjing Pei , Wangmeng Zuo

Learning from feedback has been shown to enhance the alignment between text prompts and images in text-to-image diffusion models. However, due to the lack of focus in feedback content, especially regarding the object type and quantity,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Xuexiang Niu , Jinping Tang , Lei Wang , Ge Zhu

Current image generation models produce visually compelling but scientifically implausible images, exposing a fundamental gap between visual fidelity and physical realism. In this work, we introduce ScienceT2I, an expert-annotated dataset…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Jialuo Li , Wenhao Chai , Xingyu Fu , Haiyang Xu , Saining Xie

Reinforcement Learning with Human Feedback (RLHF) has proven effective in image generation field guided by reward models to align human preferences. Motivated by this, adapting RLHF for Image Super-Resolution (ISR) tasks has shown promise…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Yidi Liu , Zihao Fan , Jie Huang , Jie Xiao , Dong Li , Wenlong Zhang , Lei Bai , Xueyang Fu , Zheng-Jun Zha

In this paper, we make the first attempt to align diffusion models for image inpainting with human aesthetic standards via a reinforcement learning framework, significantly improving the quality and visual appeal of inpainted images.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Kendong Liu , Zhiyu Zhu , Chuanhao Li , Hui Liu , Huanqiang Zeng , Junhui Hou

Content creators often aim to create personalized images using personal subjects that go beyond the capabilities of conventional text-to-image models. Additionally, they may want the resulting image to encompass a specific location, style,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Moab Arar , Andrey Voynov , Amir Hertz , Omri Avrahami , Shlomi Fruchter , Yael Pritch , Daniel Cohen-Or , Ariel Shamir

Although image captioning models have made significant advancements in recent years, the majority of them heavily depend on high-quality datasets containing paired images and texts which are costly to acquire. Previous works leverage the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Zhiyue Liu , Jinyuan Liu , Fanrong Ma

One-step text-to-image generator models offer advantages such as swift inference efficiency, flexible architectures, and state-of-the-art generation performance. In this paper, we study the problem of aligning one-step generator models with…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Weijian Luo

Text-to-image synthesis has made encouraging progress and attracted lots of public attention recently. However, popular evaluation metrics in this area, like the Inception Score and Fr'echet Inception Distance, incur several issues. First…

Computer Vision and Pattern Recognition · Computer Science 2023-08-17 Qi Chen , Chaorui Deng , Zixiong Huang , Bowen Zhang , Mingkui Tan , Qi Wu

Recent vision-language models outperform vision-only models on many image classification tasks. However, because of the absence of paired text/image descriptions, it remains difficult to fine-tune these models for fine-grained image…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Kathleen M. Lewis , Emily Mu , Adrian V. Dalca , John Guttag

Text-to-image diffusion-based generative models have the stunning ability to generate photo-realistic images and achieve state-of-the-art low FID scores on challenging image generation benchmarks. However, one of the primary failure modes…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Arman Zarei , Keivan Rezaei , Samyadeep Basu , Mehrdad Saberi , Mazda Moayeri , Priyatham Kattakinda , Soheil Feizi

Recent image tone adjustment (or enhancement) approaches have predominantly adopted supervised learning for learning human-centric perceptual assessment. However, these approaches are constrained by intrinsic challenges of supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Hyeongmin Lee , Kyoungkook Kang , Jungseul Ok , Sunghyun Cho

Multi-modal image-text models such as CLIP and LiT have demonstrated impressive performance on image classification benchmarks and their zero-shot generalization ability is particularly exciting. While the top-5 zero-shot accuracies of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Yunhao Ge , Jie Ren , Andrew Gallagher , Yuxiao Wang , Ming-Hsuan Yang , Hartwig Adam , Laurent Itti , Balaji Lakshminarayanan , Jiaping Zhao

The advent of text-image models, most notably CLIP, has significantly transformed the landscape of information retrieval. These models enable the fusion of various modalities, such as text and images. One significant outcome of CLIP is its…

Information Retrieval · Computer Science 2024-06-21 Christian Lülf , Denis Mayr Lima Martins , Marcos Antonio Vaz Salles , Yongluan Zhou , Fabian Gieseke

Artificial Intelligence Generated Content (AIGC) has grown rapidly in recent years, among which AI-based image generation has gained widespread attention due to its efficient and imaginative image creation ability. However, AI-generated…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Jiarui Wang , Huiyu Duan , Guangtao Zhai , Xiongkuo Min

This paper addresses the performance bottlenecks of existing text-driven image generation methods in terms of semantic alignment accuracy and structural consistency. A high-fidelity image generation method is proposed by integrating…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Danyi Gao

Image Quality Assessment (IQA) aims to evaluate the perceptual quality of images based on human subjective perception. Existing methods generally combine multiscale features to achieve high performance, but most rely on straightforward…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chenyue Song , Chen Hui , Wei Zhang , Haiqi Zhu , Shaohui Liu , Hong Huang , Feng Jiang

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

Measuring alignment between language and vision is a fundamental challenge, especially as multimodal data becomes increasingly detailed and complex. Existing methods often rely on collecting human or AI preferences, which can be costly and…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Hyojin Bahng , Caroline Chan , Fredo Durand , Phillip Isola

Visual generative models have achieved remarkable progress in synthesizing photorealistic images and videos, yet aligning their outputs with human preferences across critical dimensions remains a persistent challenge. Though reinforcement…