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Dense visual odometry (VO), which provides pose estimation and dense 3D reconstruction, serves as the cornerstone for applications ranging from robotics to augmented reality. Recently, feed-forward models have demonstrated remarkable…

Robotics · Computer Science 2026-04-03 Junxiang Pan , Lipu Zhou , Baojie Chen

Portrait animation has witnessed tremendous quality improvements thanks to recent advances in video diffusion models. However, these 2D methods often compromise 3D consistency and speed, limiting their applicability in real-world scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Kaiwen Jiang , Xueting Li , Seonwook Park , Ravi Ramamoorthi , Shalini De Mello , Koki Nagano

Feed-forward 3D Gaussian Splatting (3DGS) has emerged as a highly effective solution for novel view synthesis. Existing methods predominantly rely on a \emph{pixel-aligned} Gaussian prediction paradigm, where each 2D pixel is mapped to a 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Weijie Wang , Yeqing Chen , Zeyu Zhang , Hengyu Liu , Haoxiao Wang , Zhiyuan Feng , Wenkang Qin , Feng Chen , Zheng Zhu , Donny Y. Chen , Bohan Zhuang

We present Cross-View Splatter, a feed-forward method that predicts pixel-aligned Gaussian splats for outdoor scenes captured at ground level AND by satellite. Faithful reconstructions require good camera coverage, but ground imagery is…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Matias Turkulainen , Akshay Krishnan , Filippo Aleotti , Mohamed Sayed , Guillermo Garcia-Hernando , Juho Kannala , Arno Solin , Gabriel Brostow , Daniyar Turmukhambetov

We introduce UPose3D, a novel approach for multi-view 3D human pose estimation, addressing challenges in accuracy and scalability. Our method advances existing pose estimation frameworks by improving robustness and flexibility without…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Vandad Davoodnia , Saeed Ghorbani , Marc-André Carbonneau , Alexandre Messier , Ali Etemad

This paper introduces a deep neural network based method, i.e., DeepOrganNet, to generate and visualize high-fidelity 3D / 4D organ geometric models from single-view medical image in real time. Traditional 3D / 4D medical image…

Graphics · Computer Science 2019-07-23 Yifan Wang , Zichun Zhong , Jing Hua

Small Unmanned Aerial Vehicles (UAVs) exhibit immense potential for navigating indoor and hard-to-reach areas, yet their significant constraints in payload and autonomy have largely prevented their use for complex tasks like high-quality…

We present Tensor4D, an efficient yet effective approach to dynamic scene modeling. The key of our solution is an efficient 4D tensor decomposition method so that the dynamic scene can be directly represented as a 4D spatio-temporal tensor.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Ruizhi Shao , Zerong Zheng , Hanzhang Tu , Boning Liu , Hongwen Zhang , Yebin Liu

Reconstructing and rendering 3D objects from highly sparse views is of critical importance for promoting applications of 3D vision techniques and improving user experience. However, images from sparse views only contain very limited 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Chen Yang , Sikuang Li , Jiemin Fang , Ruofan Liang , Lingxi Xie , Xiaopeng Zhang , Wei Shen , Qi Tian

Reconstructing photo-realistic drivable human avatars from multi-view image sequences has been a popular and challenging topic in the field of computer vision and graphics. While existing NeRF-based methods can achieve high-quality novel…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yujiao Jiang , Qingmin Liao , Xiaoyu Li , Li Ma , Qi Zhang , Chaopeng Zhang , Zongqing Lu , Ying Shan

We propose a single-snapshot depth-from-defocus (DFD) reconstruction method for coded-aperture imaging that replaces hand-crafted priors with a learned diffusion prior used purely as regularization. Our optimization framework enforces…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Hodaka Kawachi , Jose Reinaldo Cunha Santos A. V. Silva Neto , Yasushi Yagi , Hajime Nagahara , Tomoya Nakamura

Image fusion aims to integrate complementary information from multiple source images to produce a more informative and visually consistent representation, benefiting both human perception and downstream vision tasks. Despite recent…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Xingyuan Li , Songcheng Du , Yang Zou , HaoYuan Xu , Zhiying Jiang , Jinyuan Liu

Recent developments in 3D Gaussian Splatting have made significant advances in surface reconstruction. However, scaling these methods to large-scale scenes remains challenging due to high computational demands and the complex dynamic…

Graphics · Computer Science 2025-06-24 Shihan Chen , Zhaojin Li , Zeyu Chen , Qingsong Yan , Gaoyang Shen , Ran Duan

In ultrasound (US) imaging, individual channel RF measurements are back-propagated and accumulated to form an image after applying specific delays. While this time reversal is usually implemented using a hardware- or software-based…

Image and Video Processing · Electrical Eng. & Systems 2019-07-17 Shujaat Khan , Jaeyoung Huh , Jong Chul Ye

In the literature, it has been shown that the evolution of the known explicit 3D surface to the target one can be learned from 2D images using the instantaneous flow field, where the known and target 3D surfaces may largely differ in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 AmirHossein Naghi Razlighi , Tiago Novello , Asen Nachkov , Thomas Probst , Danda Paudel

We present ViewSplat, a view-adaptive 3D Gaussian splatting network for novel view synthesis from unposed images. While recent feed-forward 3D Gaussian splatting has significantly accelerated 3D scene reconstruction by bypassing per-scene…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Moonyeon Jeong , Seunggi Min , Suhyeon Lee , Hongje Seong

We introduce ShapeGaussian, a high-fidelity, template-free method for 4D human reconstruction from casual monocular videos. Generic reconstruction methods lacking robust vision priors, such as 4DGS, struggle to capture high-deformation…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Zhenxiao Liang , Ning Zhang , Youbao Tang , Ruei-Sung Lin , Qixing Huang , Peng Chang , Jing Xiao

Generative diffusion models trained on large-scale datasets have achieved remarkable progress in image synthesis. In favor of their ability to supplement missing details and generate aesthetically pleasing contents, recent works have…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Junhao Cheng , Wei-Ting Chen , Xi Lu , Ming-Hsuan Yang

We introduce GeoGS3D, a novel two-stage framework for reconstructing detailed 3D objects from single-view images. Inspired by the success of pre-trained 2D diffusion models, our method incorporates an orthogonal plane decomposition…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Qijun Feng , Zhen Xing , Zuxuan Wu , Yu-Gang Jiang

The recent development of feedforward 3D Gaussian Splatting (3DGS) presents a new paradigm to reconstruct 3D scenes. Using neural networks trained on large-scale multi-view datasets, it can directly infer 3DGS representations from sparse…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Zetian Song , Jiaye Fu , Jiaqi Zhang , Xiaohan Lu , Chuanmin Jia , Siwei Ma , Wen Gao