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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…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Jinyu Gu , Haipeng Liu , Meng Wang , Yang Wang

Diffusion models represent the state-of-the-art in generative modeling. Due to their high training costs, many works leverage pre-trained diffusion models' powerful representations for downstream tasks, such as face super-resolution (FSR),…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Jiarui Yang , Tao Dai , Yufei Zhu , Naiqi Li , Jinmin Li , Shutao Xia

We present DiffPortrait3D, a conditional diffusion model that is capable of synthesizing 3D-consistent photo-realistic novel views from as few as a single in-the-wild portrait. Specifically, given a single RGB input, we aim to synthesize…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Yuming Gu , You Xie , Hongyi Xu , Guoxian Song , Yichun Shi , Di Chang , Jing Yang , Linjie Luo

The scarcity and complexity of voxel-level annotations in 3D medical imaging present significant challenges, particularly due to the domain gap between labeled datasets from well-resourced centers and unlabeled datasets from less-resourced…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Haifan Gong , Yitao Wang , Yihan Wang , Jiashun Xiao , Xiang Wan , Haofeng Li

Score Distillation Sampling (SDS) by well-trained 2D diffusion models has shown great promise in text-to-3D generation. However, this paradigm distills view-agnostic 2D image distributions into the rendering distribution of 3D…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Chenhan Jiang , Yihan Zeng , Tianyang Hu , Songcun Xu , Wei Zhang , Hang Xu , Dit-Yan Yeung

We propose a diffusion-based approach for Text-to-Image (T2I) generation with consistent and interactive 3D layout control and editing. While prior methods improve spatial adherence using 2D cues or iterative copy-warp-paste strategies,…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Andrea Rigo , Luca Stornaiuolo , Weijie Wang , Mauro Martino , Bruno Lepri , Nicu Sebe

We present Diff3F as a simple, robust, and class-agnostic feature descriptor that can be computed for untextured input shapes (meshes or point clouds). Our method distills diffusion features from image foundational models onto input shapes.…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Niladri Shekhar Dutt , Sanjeev Muralikrishnan , Niloy J. Mitra

Diffusion models with their powerful expressivity and high sample quality have achieved State-Of-The-Art (SOTA) performance in the generative domain. The pioneering Vision Transformer (ViT) has also demonstrated strong modeling capabilities…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Ali Hatamizadeh , Jiaming Song , Guilin Liu , Jan Kautz , Arash Vahdat

Generative models have enabled intuitive image creation and manipulation using natural language. In particular, diffusion models have recently shown remarkable results for natural image editing. In this work, we propose to apply diffusion…

We introduce DreamPolish, a text-to-3D generation model that excels in producing refined geometry and high-quality textures. In the geometry construction phase, our approach leverages multiple neural representations to enhance the stability…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Yean Cheng , Ziqi Cai , Ming Ding , Wendi Zheng , Shiyu Huang , Yuxiao Dong , Jie Tang , Boxin Shi

Novel view synthesis under sparse views has been a long-term important challenge in 3D reconstruction. Existing works mainly rely on introducing external semantic or depth priors to supervise the optimization of 3D representations. However,…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Qisen Wang , Yifan Zhao , Jiawei Ma , Jia Li

Recent advances in NeRF inpainting have leveraged pretrained diffusion models to enhance performance. However, these methods often yield suboptimal results due to their ineffective utilization of 2D diffusion priors. The limitations…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Menglin Zhang , Xin Luo , Yunwei Lan , Chang Liu , Rui Li , Kaidong Zhang , Ganlin Yang , Dong Liu

Score distillation sampling~(SDS) has been widely adopted to overcome the absence of unseen views in reconstructing 3D objects from a \textbf{single} image. It leverages pre-trained 2D diffusion models as teacher to guide the reconstruction…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Xuanyu Yi , Zike Wu , Qingshan Xu , Pan Zhou , Joo-Hwee Lim , Hanwang Zhang

Contrastive Language-Image Pre-training (CLIP), which excels at abstracting open-world representations across domains and modalities, has become a foundation for a variety of vision and multimodal tasks. However, recent studies reveal that…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Wenxuan Wang , Quan Sun , Fan Zhang , Yepeng Tang , Jing Liu , Xinlong Wang

Despite recent advancements in text-to-image diffusion models facilitating various image editing techniques, complex text prompts often lead to an oversight of some requests due to a bottleneck in processing text information. To tackle this…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Hangeol Chang , Jinho Chang , Jong Chul Ye

Text-guided diffusion models have revolutionized image generation and editing, offering exceptional realism and diversity. Specifically, in the context of diffusion-based editing, where a source image is edited according to a target prompt,…

计算机视觉与模式识别 · 计算机科学 2023-10-20 Xuan Ju , Ailing Zeng , Yuxuan Bian , Shaoteng Liu , Qiang Xu

We present a method to generate 3D objects in styles. Our method takes a text prompt and a style reference image as input and reconstructs a neural radiance field to synthesize a 3D model with the content aligning with the text prompt and…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Hubert Kompanowski , Binh-Son Hua

Recent tuning-free identity customization methods achieve high facial fidelity but often overlook visual context, such as lighting, skin texture, and environmental tone. This limitation leads to ``Semantic-Visual Dissonance,'' where…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Guandong Li , Yijun Ding

Inversion by Direct Iteration (InDI) is a new formulation for supervised image restoration that avoids the so-called "regression to the mean" effect and produces more realistic and detailed images than existing regression-based methods. It…

图像与视频处理 · 电气工程与系统科学 2024-02-05 Mauricio Delbracio , Peyman Milanfar

Data-free knowledge distillation (DFKD) has emerged as a pivotal technique in the domain of model compression, substantially reducing the dependency on the original training data. Nonetheless, conventional DFKD methods that employ…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Muquan Li , Dongyang Zhang , Tao He , Xiurui Xie , Yuan-Fang Li , Ke Qin