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3D generation has raised great attention in recent years. With the success of text-to-image diffusion models, the 2D-lifting technique becomes a promising route to controllable 3D generation. However, these methods tend to present…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Tianyu Huang , Yihan Zeng , Zhilu Zhang , Wan Xu , Hang Xu , Songcen Xu , Rynson W. H. Lau , Wangmeng Zuo

While image diffusion models have made significant progress in text-driven 3D content creation, they often fail to accurately capture the intended meaning of text prompts, especially for view information. This limitation leads to the Janus…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Zhipeng Hu , Minda Zhao , Chaoyi Zhao , Xinyue Liang , Lincheng Li , Zeng Zhao , Changjie Fan , Xiaowei Zhou , Xin Yu

Text-to-3D generation based on diffusion models often suffers from the Janus problem, leading to inconsistent geometry across viewpoints. This work identifies viewpoint bias in 2D diffusion priors as the main cause and proposes Structural…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Qing Zhang , Jinguang Tong , Jing Zhang , Jie Hong , Xuesong Li

Existing score-distilling text-to-3D generation techniques, despite their considerable promise, often encounter the view inconsistency problem. One of the most notable issues is the Janus problem, where the most canonical view of an object…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Susung Hong , Donghoon Ahn , Seungryong Kim

To address the data scarcity associated with 3D assets, 2D-lifting techniques such as Score Distillation Sampling (SDS) have become a widely adopted practice in text-to-3D generation pipelines. However, the diffusion models used in these…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Utkarsh Nath , Rajeev Goel , Eun Som Jeon , Changhoon Kim , Kyle Min , Yezhou Yang , Yingzhen Yang , Pavan Turaga

Despite the remarkable performance of score distillation in text-to-3D generation, such techniques notoriously suffer from view inconsistency issues, also known as "Janus" artifact, where the generated objects fake each view with multiple…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Peihao Wang , Dejia Xu , Zhiwen Fan , Dilin Wang , Sreyas Mohan , Forrest Iandola , Rakesh Ranjan , Yilei Li , Qiang Liu , Zhangyang Wang , Vikas Chandra

Text-to-3D generation often suffers from the Janus problem, where objects look correct from the front but collapse into duplicated or distorted geometry from other angles. We attribute this failure to viewpoint bias in 2D diffusion priors,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Qing Zhang , Jinguang Tong , Jie Hong , Jing Zhang , Xuesong Li

Recent advances in zero-shot text-to-3D generation have revolutionized 3D content creation by enabling direct synthesis from textual descriptions. While state-of-the-art methods leverage 3D Gaussian Splatting with score distillation to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yuan Zhou , Shilong Jin , Litao Hua , Wanjun Lv , Haoran Duan , Jungong Han

Current text-to-3D generation methods based on score distillation often suffer from geometric inconsistencies, leading to repeated patterns across different poses of 3D assets. This issue, known as the Multi-Face Janus problem, arises…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Chenxi Zheng , Yihong Lin , Bangzhen Liu , Xuemiao Xu , Yongwei Nie , Shengfeng He

The field of text-to-3D content generation has made significant progress in generating realistic 3D objects, with existing methodologies like Score Distillation Sampling (SDS) offering promising guidance. However, these methods often…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Phu Pham , Aradhya N. Mathur , Ojaswa Sharma , Aniket Bera

Text-to-3D generation has shown promising results, yet common challenges such as the Multi-face Janus problem and extended generation time for high-quality assets. In this paper, we address these issues by introducing a novel three-stage…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Trapoom Ukarapol , Kevin Pruvost

Recent advancements in 3D editing have highlighted the potential of text-driven methods in real-time, user-friendly AR/VR applications. However, current methods rely on 2D diffusion models without adequately considering multi-view…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Dong In Lee , Hyeongcheol Park , Jiyoung Seo , Eunbyung Park , Hyunje Park , Ha Dam Baek , Sangheon Shin , Sangmin Kim , Sangpil Kim

Existing neural rendering-based text-to-3D-portrait generation methods typically make use of human geometry prior and diffusion models to obtain guidance. However, relying solely on geometry information introduces issues such as the Janus…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Yiqian Wu , Hao Xu , Xiangjun Tang , Xien Chen , Siyu Tang , Zhebin Zhang , Chen Li , Xiaogang Jin

The increased demand for 3D data in AR/VR, robotics and gaming applications, gave rise to powerful generative pipelines capable of synthesizing high-quality 3D objects. Most of these models rely on the Score Distillation Sampling (SDS)…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Ziyu Wan , Despoina Paschalidou , Ian Huang , Hongyu Liu , Bokui Shen , Xiaoyu Xiang , Jing Liao , Leonidas Guibas

Vision-language models like CLIP have demonstrated remarkable zero-shot transfer capabilities. However, their susceptibility to imperceptible adversarial perturbations remains a critical security concern. While test-time defenses offer a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Zhiwei Li , Jiacheng Xue , Weining Wang , Ajian Liu , Xingyu Gao , Zhenan Sun , Qi Li

This paper tackles the problem of generalizable 3D-aware generation from monocular datasets, e.g., ImageNet. The key challenge of this task is learning a robust 3D-aware representation without multi-view or dynamic data, while ensuring…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Yuxin Wang , Qianyi Wu , Dan Xu

Score distillation sampling (SDS), the methodology in which the score from pretrained 2D diffusion models is distilled into 3D representation, has recently brought significant advancements in text-to-3D generation task. However, this…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Min-Seop Kwak , Donghoon Ahn , Ines Hyeonsu Kim , Jin-Hwa Kim , Seungryong Kim

There is a rapidly growing interest in controlling consistency across multiple generated images using diffusion models. Among various methods, recent works have found that simply manipulating attention modules by concatenating features from…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Jiaojiao Fan , Haotian Xue , Qinsheng Zhang , Yongxin Chen

Exploiting 3D Gaussian Splatting (3DGS) with Contrastive Language-Image Pre-Training (CLIP) models for open-vocabulary 3D semantic understanding of indoor scenes has emerged as an attractive research focus. Existing methods typically attach…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Guibiao Liao , Jiankun Li , Zhenyu Bao , Xiaoqing Ye , Qing Li , Kanglin Liu

Given a single image of a target object, image-to-3D generation aims to reconstruct its texture and geometric shape. Recent methods often utilize intermediate media, such as multi-view images or videos, to bridge the gap between input image…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Jiacheng Wang , Zhedong Zheng , Wei Xu , Ping Liu
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