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Old-photo face restoration poses significant challenges due to compounded degradations such as breakage, fading, and severe blur. Existing pre-trained diffusion-guided methods either rely on explicit degradation priors or global statistical…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Wenjie Li , Xiangyi Wang , Heng Guo , Guangwei Gao , Zhanyu Ma

Text-to-image diffusion models often face a severe trilemma in human portrait generation: text-image alignment, photorealism, and human-perceived aesthetics inherently inhibit one another. Supervised Fine-Tuning (SFT) is an effective method…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Yunlong Wang , Jinjin Shi , Wenbin Gao , Xuran Xu , Runyu Shi , Ying Huang

In recent years, diffusion models have revolutionized visual generation, outperforming traditional frameworks like Generative Adversarial Networks (GANs). However, generating images of humans with realistic semantic parts, such as hands and…

计算机视觉与模式识别 · 计算机科学 2024-11-14 Benzhi Wang , Jingkai Zhou , Jingqi Bai , Yang Yang , Weihua Chen , Fan Wang , Zhen Lei

The rise of personalized generative models raises a central question: how should we evaluate identity preservation? Given a reference image (e.g., one's pet), we expect the generated image to retain precise details attached to the subject's…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Connor Kilrain , David Carlyn , Julia Chae , Sara Beery , Wei-Lun Chao , Jianyang Gu

This study investigates identity-preserving image synthesis, an intriguing task in image generation that seeks to maintain a subject's identity while adding a personalized, stylistic touch. Traditional methods, such as Textual Inversion and…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Yuxuan Yan , Chi Zhang , Rui Wang , Yichao Zhou , Gege Zhang , Pei Cheng , Gang Yu , Bin Fu

Diffusion models have recently shown strong progress in generative tasks, offering a more stable alternative to GAN-based approaches for makeup transfer. Existing methods often suffer from limited datasets, poor disentanglement between…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Qihe Pan , Yiming Wu , Xing Zhao , Liang Xie , Guodao Sun , Ronghua Liang

The recent success of text-to-image generation diffusion models has also revolutionized semantic image editing, enabling the manipulation of images based on query/target texts. Despite these advancements, a significant challenge lies in the…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Zuopeng Yang , Tianshu Chu , Xin Lin , Erdun Gao , Daqing Liu , Jie Yang , Chaoyue Wang

Large text-to-image models have revolutionized the ability to generate imagery using natural language. However, particularly unique or personal visual concepts, such as pets and furniture, will not be captured by the original model. This…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Xingzhe He , Zhiwen Cao , Nicholas Kolkin , Lantao Yu , Kun Wan , Helge Rhodin , Ratheesh Kalarot

We present a diffusion-based portrait shadow removal approach that can robustly produce high-fidelity results. Unlike previous methods, we cast shadow removal as diffusion-based inpainting. To this end, we first train a shadow-independent…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Wanchang Yu , Qing Zhang , Rongjia Zheng , Wei-Shi Zheng

We propose MegaPortrait. It's an innovative system for creating personalized portrait images in computer vision. It has three modules: Identity Net, Shading Net, and Harmonization Net. Identity Net generates learned identity using a…

计算机视觉与模式识别 · 计算机科学 2024-11-08 Han Yang , Sotiris Anagnostidis , Enis Simsar , Thomas Hofmann

Decompositional reconstruction of 3D scenes, with complete shapes and detailed texture of all objects within, is intriguing for downstream applications but remains challenging, particularly with sparse views as input. Recent approaches…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Junfeng Ni , Yu Liu , Ruijie Lu , Zirui Zhou , Song-Chun Zhu , Yixin Chen , Siyuan Huang

Modifying the facial images with desired attributes is important, though challenging tasks in computer vision, where it aims to modify single or multiple attributes of the face image. Some of the existing methods are either based on…

计算机视觉与模式识别 · 计算机科学 2020-05-06 Naeem Ul Islam , Sungmin Lee , Jaebyung Park

Recent advancements in controllable text-to-image (T2I) diffusion models, such as Ctrl-X and FreeControl, have demonstrated robust spatial and appearance control without requiring auxiliary module training. However, these models often…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Jiwon Kim , Pureum Kim , SeonHwa Kim , Soobin Park , Eunju Cha , Kyong Hwan Jin

Image-to-video (I2V) generation tasks always suffer from keeping high fidelity in the open domains. Traditional image animation techniques primarily focus on specific domains such as faces or human poses, making them difficult to generalize…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Weijie Li , Litong Gong , Yiran Zhu , Fanda Fan , Biao Wang , Tiezheng Ge , Bo Zheng

Reward Feedback Learning (ReFL) has recently shown great potential in aligning model outputs with human preferences across various generative tasks. In this work, we introduce a ReFL framework, named DiffusionReward, to the Blind Face…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Bin Wu , Wei Wang , Yahui Liu , Zixiang Li , Yao Zhao

Generative models such as StyleGAN2 and Stable Diffusion have achieved state-of-the-art performance in computer vision tasks such as image synthesis, inpainting, and de-noising. However, current generative models for face inpainting often…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Saman Motamed , Jianjin Xu , Chen Henry Wu , Fernando De la Torre

This paper presents Qffusion, a dual-frame-guided framework for portrait video editing. Specifically, we consider a design principle of ``animation for editing'', and train Qffusion as a general animation framework from two still reference…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Maomao Li , Lijian Lin , Yunfei Liu , Ye Zhu , Yu Li

The growing use of portrait images in computer vision highlights the need to protect personal identities. At the same time, anonymized images must remain useful for downstream computer vision tasks. In this work, we propose a unified…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Ali Salar , Qing Liu , Guoying Zhao

Drawing on recent advancements in diffusion models for text-to-image generation, identity-preserved personalization has made significant progress in accurately capturing specific identities with just a single reference image. However,…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Yi Wu , Ziqiang Li , Heliang Zheng , Chaoyue Wang , Bin Li

Personalized text-to-image generation has emerged as a powerful and sought-after tool, empowering users to create customized images based on their specific concepts and prompts. However, existing approaches to personalization encounter…

计算机视觉与模式识别 · 计算机科学 2023-09-13 Li Chen , Mengyi Zhao , Yiheng Liu , Mingxu Ding , Yangyang Song , Shizun Wang , Xu Wang , Hao Yang , Jing Liu , Kang Du , Min Zheng