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We propose a novel framework to reconstruct accurate appearance and geometry with neural radiance fields (NeRF) for interacting hands, enabling the rendering of photo-realistic images and videos for gesture animation from arbitrary views.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Zhiyang Guo , Wengang Zhou , Min Wang , Li Li , Houqiang Li

Classical deformable registration techniques achieve impressive results and offer a rigorous theoretical treatment, but are computationally intensive since they solve an optimization problem for each image pair. Recently, learning-based…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Adrian V. Dalca , Guha Balakrishnan , John Guttag , Mert R. Sabuncu

Goal: A limitation in robotic surgery is the lack of force feedback, due to challenges in suitable sensing techniques. To enhance the perception of the surgeons and precise force rendering, estimation of these forces along with tissue…

Systems and Control · Electrical Eng. & Systems 2025-04-30 Srikar Annamraju , Yuxi Chen , Jooyoung Lim , Inki Kim

Neural fields have revolutionized the area of 3D reconstruction and novel view synthesis of rigid scenes. A key challenge in making such methods applicable to articulated objects, such as the human body, is to model the deformation of 3D…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Xu Chen , Tianjian Jiang , Jie Song , Max Rietmann , Andreas Geiger , Michael J. Black , Otmar Hilliges

Deep learning-based approaches, particularly graph neural networks (GNNs), have gained prominence in simulating flexible deformations and contacts of solids, due to their ability to handle unstructured physical fields and nonlinear…

Machine Learning · Computer Science 2026-04-07 Zhe Feng , Shilong Tao , Haonan Sun , Shaohan Chen , Zhanxing Zhu , Yunhuai Liu

Neural radiance fields (NeRFs) have achieved impressive view synthesis results by learning an implicit volumetric representation from multi-view images. To project the implicit representation into an image, NeRF employs volume rendering…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Y. Wang , J. Xu , Y. Zeng , Y. Gong

Deep neural networks are being increasingly used for short-term traffic flow prediction, which can be generally categorized as convolutional (CNNs) or graph neural networks (GNNs). CNNs are preferable for region-wise traffic prediction by…

Physics and Society · Physics 2021-10-12 Wei Zeng , Chengqiao Lin , Kang Liu , Juncong Lin , Anthony K. H. Tung

Shape reconstruction from imaging volumes is a recurring need in medical image analysis. Common workflows start with a segmentation step, followed by careful post-processing and,finally, ad hoc meshing algorithms. As this sequence can be…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Antonio Pepe , Richard Schussnig , Jianning Li , Christina Gsaxner , Dieter Schmalstieg , Jan Egger

Motion artifacts caused by prolonged acquisition time are a significant challenge in Magnetic Resonance Imaging (MRI), hindering accurate tissue segmentation. These artifacts appear as blurred images that mimic tissue-like appearances,…

Image and Video Processing · Electrical Eng. & Systems 2024-12-06 Sunyoung Jung , Yoonseok Choi , Mohammed A. Al-masni , Minyoung Jung , Dong-Hyun Kim

We present PVSeRF, a learning framework that reconstructs neural radiance fields from single-view RGB images, for novel view synthesis. Previous solutions, such as pixelNeRF, rely only on pixel-aligned features and suffer from feature…

Computer Vision and Pattern Recognition · Computer Science 2022-02-11 Xianggang Yu , Jiapeng Tang , Yipeng Qin , Chenghong Li , Linchao Bao , Xiaoguang Han , Shuguang Cui

In this paper, we propose a 3D geometry-aware deformable Gaussian Splatting method for dynamic view synthesis. Existing neural radiance fields (NeRF) based solutions learn the deformation in an implicit manner, which cannot incorporate 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Zhicheng Lu , Xiang Guo , Le Hui , Tianrui Chen , Min Yang , Xiao Tang , Feng Zhu , Yuchao Dai

3D surface reconstruction from multi-view images is essential for scene understanding and interaction. However, complex indoor scenes pose challenges such as ambiguity due to limited observations. Recent implicit surface representations,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Xulong Wang , Siyan Dong , Youyi Zheng , Yanchao Yang

We propose a novel visual re-localization method based on direct matching between the implicit 3D descriptors and the 2D image with transformer. A conditional neural radiance field(NeRF) is chosen as the 3D scene representation in our…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Jianlin Liu , Qiang Nie , Yong Liu , Chengjie Wang

Collision detection is essential to virtually all robotics applications. However, traditional geometric collision detection methods generally require pre-existing workspace geometry representations; thus, they are unable to infer the…

Robotics · Computer Science 2023-09-15 Gabriel Guo , Judah Goldfeder , Aniv Ray , Tony Dear , Hod Lipson

We present learning-based implicit shape representations designed for real-time avatar collision queries arising in the simulation of clothing. Signed distance functions (SDFs) have been used for such queries for many years due to their…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Osman Akar , Yushan Han , Yizhou Chen , Weixian Lan , Benn Gallagher , Ronald Fedkiw , Joseph Teran

Alignment between non-rigid stretchable structures is one of the most challenging tasks in computer vision, as the invariant properties are hard to define, and there is no labeled data for real datasets. We present unsupervised neural…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Idan Pazi , Dvir Ginzburg , Dan Raviv

We present a framework, called MVG-NeRF, that combines classical Multi-View Geometry algorithms and Neural Radiance Fields (NeRF) for image-based 3D reconstruction. NeRF has revolutionized the field of implicit 3D representations, mainly…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Marco Orsingher , Paolo Zani , Paolo Medici , Massimo Bertozzi

Hyperspectral image (HSI) denoising is an essential procedure for HSI applications. Unfortunately, the existing Transformer-based methods mainly focus on non-local modeling, neglecting the importance of locality in image denoising.…

Image and Video Processing · Electrical Eng. & Systems 2024-08-05 Hao Liang , Chengjie , Kun Li , Xin Tian

Lumbar disc degeneration, a progressive structural wear and tear of lumbar intervertebral disc, is regarded as an essential role on low back pain, a significant global health concern. Automated lumbar spine geometry reconstruction from MR…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Linchen Qian , Jiasong Chen , Linhai Ma , Timur Urakov , Weiyong Gu , Liang Liang

Human vision demonstrates higher robustness than current AI algorithms under out-of-distribution scenarios. It has been conjectured such robustness benefits from performing analysis-by-synthesis. Our paper formulates triple vision tasks in…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Angtian Wang , Wufei Ma , Alan Yuille , Adam Kortylewski