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3D Gaussian Splatting (3DGS) has revolutionized 3D scene reconstruction, which effectively balances rendering quality, efficiency, and speed. However, existing 3DGS approaches usually generate plausible outputs and face significant…

图形学 · 计算机科学 2025-07-22 Beizhen Zhao , Yifan Zhou , Sicheng Yu , Zijian Wang , Hao Wang

Reconstructing dynamic, time-varying scenes with computed tomography (4D-CT) is a challenging and ill-posed problem common to industrial and medical settings. Existing 4D-CT reconstructions are designed for sparse sampling schemes that…

图像与视频处理 · 电气工程与系统科学 2021-04-26 Albert W. Reed , Hyojin Kim , Rushil Anirudh , K. Aditya Mohan , Kyle Champley , Jingu Kang , Suren Jayasuriya

Controllable spherical panoramic image generation holds substantial applicative potential across a variety of domains.However, it remains a challenging task due to the inherent spherical distortion and geometry characteristics, resulting in…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Tao Wu , Xuewei Li , Zhongang Qi , Di Hu , Xintao Wang , Ying Shan , Xi Li

3D image reconstruction from a limited number of 2D images has been a long-standing challenge in computer vision and image analysis. While deep learning-based approaches have achieved impressive performance in this area, existing deep…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Nivetha Jayakumar , Tonmoy Hossain , Miaomiao Zhang

Dynamic scenes rendering is an intriguing yet challenging problem. Although current methods based on NeRF have achieved satisfactory performance, they still can not reach real-time levels. Recently, 3D Gaussian Splatting (3DGS) has garnered…

计算机视觉与模式识别 · 计算机科学 2024-11-07 Jiahao Lu , Jiacheng Deng , Ruijie Zhu , Yanzhe Liang , Wenfei Yang , Tianzhu Zhang , Xu Zhou

Realistic reconstruction of dynamic 4D scenes from monocular videos is essential for understanding the physical world. Despite recent progress in neural rendering, existing methods often struggle to recover accurate 3D geometry and…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Haoran Zhou , Gim Hee Lee

Video-diffusion models have recently set the standard in video generation, inpainting, and domain translation thanks to their training stability and high perceptual fidelity. Building on these strengths, we repurpose conditional video…

计算工程、金融与科学 · 计算机科学 2025-07-28 Jaewan Park , Farid Ahmed , Kazuma Kobayashi , Seid Koric , Syed Bahauddin Alam , Iwona Jasiuk , Diab Abueidda

Simultaneous reconstruction of geometry and reflectance properties in uncontrolled environments remains a challenging problem. In this paper, we propose an efficient method to reconstruct the scene's 3D geometry and reflectance from…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Rui Li , Guangmin Zang , Miao Qi , Wolfgang Heidrich

Although the recent rapid evolution of 3D generative neural networks greatly improves 3D shape generation, it is still not convenient for ordinary users to create 3D shapes and control the local geometry of generated shapes. To address…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Xin-Yang Zheng , Hao Pan , Peng-Shuai Wang , Xin Tong , Yang Liu , Heung-Yeung Shum

Recently, Neural Radiance Fields (NeRF) is revolutionizing the task of novel view synthesis (NVS) for its superior performance. In this paper, we propose to synthesize dynamic scenes. Extending the methods for static scenes to dynamic…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Xiang Guo , Guanying Chen , Yuchao Dai , Xiaoqing Ye , Jiadai Sun , Xiao Tan , Errui Ding

3D scene reconstruction is essential for applications in virtual reality, robotics, and autonomous driving, enabling machines to understand and interact with complex environments. Traditional 3D Gaussian Splatting techniques rely on images…

图形学 · 计算机科学 2025-03-04 Changlin Song , Jiaqi Wang , Liyun Zhu , He Weng

Gaussian splatting typically requires dense observations of the scene and can fail to reconstruct occluded and unobserved areas. We propose a latent diffusion model to reconstruct a complete 3D scene with Gaussian splats, including the…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Ziwei Liao , Mohamed Sayed , Steven L. Waslander , Sara Vicente , Daniyar Turmukhambetov , Michael Firman

We infer and generate three-dimensional (3D) scene information from a single input image and without supervision. This problem is under-explored, with most prior work relying on supervision from, e.g., 3D ground-truth, multiple images of a…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Sai Rajeswar , Fahim Mannan , Florian Golemo , Jérôme Parent-Lévesque , David Vazquez , Derek Nowrouzezahrai , Aaron Courville

Research into dynamic 3D scene understanding has primarily focused on short-term change tracking from dense observations, while little attention has been paid to long-term changes with sparse observations. We address this gap with MoRE, a…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Liyuan Zhu , Shengyu Huang , Konrad Schindler , Iro Armeni

Recent advancements in 3D generation are predominantly propelled by improvements in 3D-aware image diffusion models. These models are pretrained on Internet-scale image data and fine-tuned on massive 3D data, offering the capability of…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Zeyu Yang , Zijie Pan , Chun Gu , Li Zhang

In minimal invasive surgery, it is important to rebuild and visualize the latest deformed shape of soft-tissue surfaces to mitigate tissue damages. This paper proposes an innovative Simultaneous Localization and Mapping (SLAM) algorithm for…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Jingwei Song , Jun Wang , Liang Zhao , Shoudong Huang , Gamini Dissanayake

Diffusion models learn strong image priors that can be leveraged to solve inverse problems like medical image reconstruction. However, for real-world applications such as 3D Computed Tomography (CT) imaging, directly training diffusion…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Taewon Yang , Jason Hu , Jeffrey A. Fessler , Liyue Shen

We present LTM3D, a Latent Token space Modeling framework for conditional 3D shape generation that integrates the strengths of diffusion and auto-regressive (AR) models. While diffusion-based methods effectively model continuous latent…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Xin Kang , Zihan Zheng , Lei Chu , Yue Gao , Jiahao Li , Hao Pan , Xuejin Chen , Yan Lu

Real-time reconstruction of deformable surgical scenes is vital for advancing robotic surgery, improving surgeon guidance, and enabling automation. Recent methods achieve dense reconstructions from da Vinci robotic surgery videos, with…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Tianyi Song , Danail Stoyanov , Evangelos Mazomenos , Francisco Vasconcelos

Achieving high-quality shadow removal with strong generalizability is challenging in scenes with complex global illumination. Due to the limited diversity in shadow removal datasets, current methods are prone to overfitting training data,…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Jiamin Xu , Yuxin Zheng , Zelong Li , Chi Wang , Renshu Gu , Weiwei Xu , Gang Xu