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Related papers: Resolving the Identity Crisis in Text-to-Image Gen…

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Text-to-image (T2I) models have significantly advanced the development of artificial intelligence, enabling the generation of high-quality images in diverse contexts based on specific text prompts. However, existing T2I-based methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Salaheldin Mohamed , Dong Han , Yong Li

Generating high-fidelity images of humans with fine-grained control over attributes such as hairstyle and clothing remains a core challenge in personalized text-to-image synthesis. While prior methods emphasize identity preservation from a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Guocheng Gordon Qian , Daniil Ostashev , Egor Nemchinov , Avihay Assouline , Sergey Tulyakov , Kuan-Chieh Jackson Wang , Kfir Aberman

Large Language Models (LLMs) are increasingly aligned with human preferences through Reinforcement Learning from Human Feedback (RLHF). Among RLHF methods, Group Relative Policy Optimization (GRPO) has gained attention for its simplicity…

Computation and Language · Computer Science 2025-09-25 Yuhang Zhou , Jing Zhu , Shengyi Qian , Zhuokai Zhao , Xiyao Wang , Xiaoyu Liu , Ming Li , Paiheng Xu , Wei Ai , Furong Huang

Reinforcement learning (RL) has garnered increasing attention in text-to-image (T2I) generation. However, most existing RL approaches are tailored to either diffusion models or autoregressive models, overlooking an important alternative:…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yifu Luo , Xinhao Hu , Keyu Fan , Haoyuan Sun , Zeyu Chen , Bo Xia , Tiantian Zhang , Yongzhe Chang , Xueqian Wang

The current text-to-video (T2V) generation has made significant progress in synthesizing realistic general videos, but it is still under-explored in identity-specific human video generation with customized ID images. The key challenge lies…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Hengjia Li , Haonan Qiu , Shiwei Zhang , Xiang Wang , Yujie Wei , Zekun Li , Yingya Zhang , Boxi Wu , Deng Cai

In this paper, we present an end-to-end approach to generate high-resolution person images conditioned on texts only. State-of-the-art text-to-image generation models are mainly designed for center-object generation, e.g., flowers and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Deyin Liu , Lin Yuanbo Wu , Bo Li , Zongyuan Ge

Multi-subject personalized image generation aims to synthesize customized images containing multiple specified subjects without requiring test-time optimization. However, achieving fine-grained independent control over multiple subjects…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Qiaoqiao Jin , Siming Fu , Dong She , Weinan Jia , Hualiang Wang , Mu Liu , Jidong Jiang

Subject-driven image generation models face a fundamental trade-off between identity preservation (fidelity) and prompt adherence (editability). While online reinforcement learning (RL), specifically GPRO, offers a promising solution, we…

Machine Learning · Computer Science 2026-04-23 Ziwei Huang , Ying Shu , Hao Fang , Quanyu Long , Wenya Wang , Qiushi Guo , Tiezheng Ge , Leilei Gan

Multi-subject image generation requires seamlessly harmonizing multiple reference identities within a coherent scene. However, existing methods relying on rigid spatial masks or localized attention often struggle with the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Honghao Cai , Xiangyuan Wang , Jing Li , Yunhao Bai , Tianze Zhou , Haohua Chen , Chao Hui , Changhao Qiao , Runqi Wang , Sijie Xu , Yuyang Hao , Zezhou Cui , Yuyuan Yang , Wei Zhu , Yibo Chen , Xu Tang , Yao Hu , Zhen Li

Latent diffusion models excel at producing high-quality images from text. Yet, concerns appear about the lack of diversity in the generated imagery. To tackle this, we introduce Diverse Diffusion, a method for boosting image diversity…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 Mariia Zameshina , Olivier Teytaud , Laurent Najman

Text-to-image (T2I) diffusion models are effective at producing semantically aligned images, but their reliance on training data distributions limits their ability to synthesize truly novel, out-of-distribution concepts. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Fu Feng , Yucheng Xie , Xu Yang , Jing Wang , Xin Geng

In video Multimodal Large Language Models (video MLLMs), the visual encapsulation process plays a pivotal role in converting video contents into representative tokens for LLM input. While linear projectors are widely employed for…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Jiahe Zhao , Rongkun Zheng , Yi Wang , Helin Wang , Hengshuang Zhao

Image diversity remains a fundamental challenge for text-to-image diffusion models. Low-diversity models tend to generate repetitive outputs, increasing sampling redundancy and hindering both creative exploration and downstream…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Debin Meng , Chen Jin , Zheng Gao , Yanran Li , Ioannis Patras , Georgios Tzimiropoulos

Employing clustering strategy to assign unlabeled target images with pseudo labels has become a trend for person re-identification (re-ID) algorithms in domain adaptation. A potential limitation of these clustering-based methods is that…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Suncheng Xiang , Yuzhuo Fu , Mengyuan Guan , Ting Liu

Text-to-image generation for personalized identities aims at incorporating the specific identity into images using a text prompt and an identity image. Based on the powerful generative capabilities of DDPMs, many previous works adopt…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Jinyu Gu , Haipeng Liu , Meng Wang , Yang Wang

Recent advancements in image mixing and generative data augmentation have shown promise in enhancing image classification. However, these techniques face the challenge of balancing semantic fidelity with diversity. Specifically, image…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Ruoxin Chen , Zhe Wang , Ke-Yue Zhang , Shuang Wu , Jiamu Sun , Shouli Wang , Taiping Yao , Shouhong Ding

With the rise of cameras and smart sensors, humanity generates an exponential amount of data. This valuable information, including underrepresented cases like AI in medical settings, can fuel new deep-learning tools. However, data…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Zikui Cai , Zhongpai Gao , Benjamin Planche , Meng Zheng , Terrence Chen , M. Salman Asif , Ziyan Wu

Identity-preserving text-to-video (IPT2V) generation aims to create high-fidelity videos with consistent human identity. It is an important task in video generation but remains an open problem for generative models. This paper pushes the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Shenghai Yuan , Jinfa Huang , Xianyi He , Yunyuan Ge , Yujun Shi , Liuhan Chen , Jiebo Luo , Li Yuan

In computer vision, it is well-known that a lack of data diversity will impair model performance. In this study, we address the challenges of enhancing the dataset diversity problem in order to benefit various downstream tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Yuhang Li , Xin Dong , Chen Chen , Weiming Zhuang , Lingjuan Lyu

Achieving flexible and high-fidelity identity-preserved image generation remains formidable, particularly with advanced Diffusion Transformers (DiTs) like FLUX. We introduce InfiniteYou (InfU), one of the earliest robust frameworks…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Liming Jiang , Qing Yan , Yumin Jia , Zichuan Liu , Hao Kang , Xin Lu