English
Related papers

Related papers: Representing 3D Faces with Learnable B-Spline Volu…

200 papers

Based on the continuous interpretation of deep learning cast as an optimal control problem, this paper investigates the benefits of employing B-spline basis functions to parameterize neural network controls across the layers. Rather than…

Machine Learning · Computer Science 2021-03-02 Stefanie Günther , Will Pazner , Dongping Qi

We propose DenseMarks - a new learned representation for human heads, enabling high-quality dense correspondences of human head images. For a 2D image of a human head, a Vision Transformer network predicts a 3D embedding for each pixel,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Dmitrii Pozdeev , Alexey Artemov , Ananta R. Bhattarai , Artem Sevastopolsky

Pretraining 3D encoders by aligning with Contrastive Language Image Pretraining (CLIP) has emerged as a promising direction to learn generalizable representations for 3D scene understanding. In this paper, we propose UniScene3D, a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Ye Mao , Weixun Luo , Ranran Huang , Junpeng Jing , Krystian Mikolajczyk

Robust 3D representation learning forms the perceptual foundation of spatial intelligence, enabling downstream tasks in scene understanding and embodied AI. However, learning such representations directly from unposed multi-view images…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Bo Zhou , Qiuxia Lai , Zeren Sun , Xiangbo Shu , Yazhou Yao , Wenguan Wang

Learning 3D representations that generalize well to arbitrarily oriented inputs is a challenge of practical importance in applications varying from computer vision to physics and chemistry. We propose a novel multi-resolution convolutional…

Machine Learning · Computer Science 2021-03-22 James Fox , Bo Zhao , Sivasankaran Rajamanickam , Rampi Ramprasad , Le Song

The shape of objects is an important source of visual information in a wide range of applications. One of the core challenges of shape quantification is to ensure that the extracted measurements remain invariant to transformations that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Anna Foix Romero , Craig Russell , Alexander Krull , Virginie Uhlmann

We introduce PeeledHuman - a novel shape representation of the human body that is robust to self-occlusions. PeeledHuman encodes the human body as a set of Peeled Depth and RGB maps in 2D, obtained by performing ray-tracing on the 3D body…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Sai Sagar Jinka , Rohan Chacko , Avinash Sharma , P. J. Narayanan

Embodied AI models often employ off the shelf vision backbones like CLIP to encode their visual observations. Although such general purpose representations encode rich syntactic and semantic information about the scene, much of this…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Ainaz Eftekhar , Kuo-Hao Zeng , Jiafei Duan , Ali Farhadi , Ani Kembhavi , Ranjay Krishna

This paper introduces a new approach based on a coupled representation and a neural volume optimization to implicitly perform 3D shape editing in latent space. This work has three innovations. First, we design the coupled neural shape (CNS)…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Jingyu Hu , Ka-Hei Hui , Zhengzhe Liu , Hao Zhang , Chi-Wing Fu

Knowledge hypergraph embedding models are usually computationally expensive due to the inherent complex semantic information. However, existing works mainly focus on improving the effectiveness of knowledge hypergraph embedding, making the…

Artificial Intelligence · Computer Science 2024-11-05 Zhao Li , Xin Wang , Jun Zhao , Wenbin Guo , Jianxin Li

Robots operating in unstructured environments require a comprehensive understanding of their surroundings, necessitating geometric and semantic information from sensor data. Traditional RGB-D processing pipelines focus primarily on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-24 Zhiwu Zheng , Lauren Mentzer , Berk Iskender , Michael Price , Colm Prendergast , Audren Cloitre

In the field of 3D medical imaging, accurately extracting and representing the blood vessels with curvilinear structures holds paramount importance for clinical diagnosis. Previous methods have commonly relied on discrete representation…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Ziwei Zhao , Zhixing Zhang , Yuhang Liu , Zhao Zhang , Haojun Yu , Dong Wang , Liwei Wang

We present a statistical model for $3$D human faces in varying expression, which decomposes the surface of the face using a wavelet transform, and learns many localized, decorrelated multilinear models on the resulting coefficients. Using…

Computer Vision and Pattern Recognition · Computer Science 2014-07-02 Alan Brunton , Timo Bolkart , Stefanie Wuhrer

We present a novel method named truncated hierarchical unstructured splines (THU-splines) that supports both local $h$-refinement and unstructured quadrilateral meshes. In a THU-spline construction, an unstructured quadrilateral mesh is…

Numerical Analysis · Mathematics 2021-04-13 Xiaodong Wei

We present Hybrid-CSR, a geometric deep-learning model that combines explicit and implicit shape representations for cortical surface reconstruction. Specifically, Hybrid-CSR begins with explicit deformations of template meshes to obtain…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Shanlin Sun , Thanh-Tung Le , Chenyu You , Hao Tang , Kun Han , Haoyu Ma , Deying Kong , Xiangyi Yan , Xiaohui Xie

Boundary Representation (B-Rep) is the widely adopted standard in Computer-Aided Design (CAD) and manufacturing. However, generative modeling of B-Reps remains a formidable challenge due to their inherent heterogeneity as geometric cell…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Junran Lu , Yuanqi Li , Hengji Li , Jie Guo , Yanwen Guo

Learning structures of 3D shapes is a fundamental problem in the field of computer graphics and geometry processing. We present a simple yet interpretable unsupervised method for learning a new structural representation in the form of 3D…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Nenglun Chen , Lingjie Liu , Zhiming Cui , Runnan Chen , Duygu Ceylan , Changhe Tu , Wenping Wang

We extend our recent curve-evolution framework based on localized B-spline interpolation to present an adaptive Lagrangian framework for the geometric evolution of point-cloud data representing smooth, codimension-one surfaces in…

Numerical Analysis · Mathematics 2026-01-19 Muhammad Ammad , Leevan Ling

Reconstructing clothed humans from a single image is a fundamental task in computer vision with wide-ranging applications. Although existing monocular clothed human reconstruction solutions have shown promising results, they often rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Arindam Dutta , Meng Zheng , Zhongpai Gao , Benjamin Planche , Anwesha Choudhuri , Terrence Chen , Amit K. Roy-Chowdhury , Ziyan Wu

Depth estimation from monocular endoscopic images presents significant challenges due to the complexity of endoscopic surgery, such as irregular shapes of human soft tissues, as well as variations in lighting conditions. Existing methods…

Image and Video Processing · Electrical Eng. & Systems 2025-02-07 Dawei Lu , Deqiang Xiao , Danni Ai , Jingfan Fan , Tianyu Fu , Yucong Lin , Hong Song , Xujiong Ye , Lei Zhang , Jian Yang