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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

Score distillation sampling (SDS) has shown great promise in text-to-3D generation by distilling pretrained large-scale text-to-image diffusion models, but suffers from over-saturation, over-smoothing, and low-diversity problems. In this…

机器学习 · 计算机科学 2023-11-23 Zhengyi Wang , Cheng Lu , Yikai Wang , Fan Bao , Chongxuan Li , Hang Su , Jun Zhu

Large-scale datasets are usually required to train deep neural networks, but it increases the computational complexity hindering the practical applications. Recently, dataset distillation for images and texts has been attracting a lot of…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Jae-Young Yim , Dongwook Kim , Jae-Young Sim

Text-to-3D, known for its efficient generation methods and expansive creative potential, has garnered significant attention in the AIGC domain. However, the pixel-wise rendering of NeRF and its ray marching light sampling constrain the…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Xinhai Li , Huaibin Wang , Kuo-Kun Tseng

Text-to-3D generation has recently seen significant progress. To enhance its practicality in real-world applications, it is crucial to generate multiple independent objects with interactions, similar to layer-compositing in 2D image…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Zizheng Yan , Jiapeng Zhou , Fanpeng Meng , Yushuang Wu , Lingteng Qiu , Zisheng Ye , Shuguang Cui , Guanying Chen , Xiaoguang Han

Most text-to-3D generators build upon off-the-shelf text-to-image models trained on billions of images. They use variants of Score Distillation Sampling (SDS), which is slow, somewhat unstable, and prone to artifacts. A mitigation is to…

计算机视觉与模式识别 · 计算机科学 2024-02-14 Luke Melas-Kyriazi , Iro Laina , Christian Rupprecht , Natalia Neverova , Andrea Vedaldi , Oran Gafni , Filippos Kokkinos

Although recent advancements in text-to-3D generation have significantly improved generation quality, issues like limited level of detail and low fidelity still persist, which requires further improvement. To understand the essence of those…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Zongrui Li , Minghui Hu , Qian Zheng , Xudong Jiang

Diffusion models have emerged as a powerful tool for point cloud generation. A key component that drives the impressive performance for generating high-quality samples from noise is iteratively denoise for thousands of steps. While…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Lemeng Wu , Dilin Wang , Chengyue Gong , Xingchao Liu , Yunyang Xiong , Rakesh Ranjan , Raghuraman Krishnamoorthi , Vikas Chandra , Qiang Liu

Diffusion models trained on large-scale text-image datasets have demonstrated a strong capability of controllable high-quality image generation from arbitrary text prompts. However, the generation quality and generalization ability of 3D…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Ying-Tian Liu , Yuan-Chen Guo , Guan Luo , Heyi Sun , Wei Yin , Song-Hai Zhang

Score Distillation Sampling (SDS) has made significant strides in distilling image-generative models for 3D generation. However, its maximum-likelihood-seeking behavior often leads to degraded visual quality and diversity, limiting its…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Runjie Yan , Yinbo Chen , Xiaolong Wang

Style-guided texture generation aims to generate a texture that is harmonious with both the style of the reference image and the geometry of the input mesh, given a reference style image and a 3D mesh with its text description. Although…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Zhiyu Xie , Yuqing Zhang , Xiangjun Tang , Yiqian Wu , Dehan Chen , Gongsheng Li , Xaogang Jin

Text-to-3D form plays a crucial role in creating editable 3D scenes for AR/VR. Recent advances have shown promise in merging neural radiance fields (NeRFs) with pre-trained diffusion models for text-to-3D object generation. However, one…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Haotian Bai , Yuanhuiyi Lyu , Lutao Jiang , Sijia Li , Haonan Lu , Xiaodong Lin , Lin Wang

Text-to-3D generation based on score distillation of pre-trained 2D diffusion models has gained increasing interest, with variational score distillation (VSD) as a remarkable example. VSD proves that vanilla score distillation can be…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Yu Lei , Bingde Liu , Qingsong Xie , Haonan Lu , Zhijie Deng

We present Acc3D to tackle the challenge of accelerating the diffusion process to generate 3D models from single images. To derive high-quality reconstructions through few-step inferences, we emphasize the critical issue of regularizing the…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Kendong Liu , Zhiyu Zhu , Hui Liu , Junhui Hou

Diffusion models have emerged as a powerful generative method, capable of producing stunning photo-realistic images from natural language descriptions. However, these models lack explicit control over the 3D structure in the generated…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Wufei Ma , Qihao Liu , Jiahao Wang , Angtian Wang , Xiaoding Yuan , Yi Zhang , Zihao Xiao , Guofeng Zhang , Beijia Lu , Ruxiao Duan , Yongrui Qi , Adam Kortylewski , Yaoyao Liu , Alan Yuille

Recent strides in Text-to-3D techniques have been propelled by distilling knowledge from powerful large text-to-image diffusion models (LDMs). Nonetheless, existing Text-to-3D approaches often grapple with challenges such as…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Yiwen Chen , Chi Zhang , Xiaofeng Yang , Zhongang Cai , Gang Yu , Lei Yang , Guosheng Lin

Recently, 3D content creation from text prompts has demonstrated remarkable progress by utilizing 2D and 3D diffusion models. While 3D diffusion models ensure great multi-view consistency, their ability to generate high-quality and diverse…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Fangfu Liu , Diankun Wu , Yi Wei , Yongming Rao , Yueqi Duan

Recent Diffusion Transformers (e.g., DiT) have demonstrated their powerful effectiveness in generating high-quality 2D images. However, it is still being determined whether the Transformer architecture performs equally well in 3D shape…

计算机视觉与模式识别 · 计算机科学 2023-07-06 Shentong Mo , Enze Xie , Ruihang Chu , Lewei Yao , Lanqing Hong , Matthias Nießner , Zhenguo Li

As two fundamental representation modalities of 3D objects, 3D point clouds and multi-view 2D images record shape information from different domains of geometric structures and visual appearances. In the current deep learning era,…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Qijian Zhang , Junhui Hou , Yue Qian

Text-driven 3D scene generation is widely applicable to video gaming, film industry, and metaverse applications that have a large demand for 3D scenes. However, existing text-to-3D generation methods are limited to producing 3D objects with…

计算机视觉与模式识别 · 计算机科学 2024-02-01 Jingbo Zhang , Xiaoyu Li , Ziyu Wan , Can Wang , Jing Liao