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We present a neural network approach to compute stream functions, which are scalar functions with gradients orthogonal to a given vector field. As a result, isosurfaces of the stream function extract stream surfaces, which can be visualized…

Graphics · Computer Science 2023-07-18 Skylar Wolfgang Wurster , Hanqi Guo , Tom Peterka , Han-Wei Shen

Implicit neural representation (INR) has proven to be accurate and efficient in various domains. In this work, we explore how different neural networks can be designed as a new texture INR, which operates in a continuous manner rather than…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Albert Kwok , Zheyuan Hu , Dounia Hammou

Models for image representation learning are typically designed for either recognition or generation. Various forms of contrastive learning help models learn to convert images to embeddings that are useful for classification, detection, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Matthew Gwilliam , Xiao Wang , Xuefeng Hu , Zhenheng Yang

We propose a novel normal estimation method called HSurf-Net, which can accurately predict normals from point clouds with noise and density variations. Previous methods focus on learning point weights to fit neighborhoods into a geometric…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Qing Li , Yu-Shen Liu , Jin-San Cheng , Cheng Wang , Yi Fang , Zhizhong Han

Image dehazing is an important task in the field of computer vision, aiming at restoring clear and detail-rich visual content from haze-affected images. However, when dealing with complex scenes, existing methods often struggle to strike a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Shuaibin Fan , Senming Zhong , Wenchao Yan , Minglong Xue

Implicit Neural Representations (INRs), characterized by neural network-encoded signed distance fields, provide a powerful means to represent complex geometries continuously and efficiently. While successful in computer vision and…

Computational Engineering, Finance, and Science · Computer Science 2025-07-09 Samundra Karki , Ming-Chen Hsu , Adarsh Krishnamurthy , Baskar Ganapathysubramanian

Implicit neural representations have shown promising potential for the 3D scene reconstruction. Recent work applies it to autonomous 3D reconstruction by learning information gain for view path planning. Effective as it is, the computation…

Robotics · Computer Science 2022-09-28 Jing Zeng , Yanxu Li , Yunlong Ran , Shuo Li , Fei Gao , Lincheng Li , Shibo He , Jiming chen , Qi Ye

We present a novel approach to learning a point-wise, meaningful embedding for point-clouds in an unsupervised manner, through the use of neural-networks. The domain of point-cloud processing via neural-networks is rapidly evolving, with…

Graphics · Computer Science 2019-03-12 Matan Shoef , Sharon Fogel , Daniel Cohen-Or

Neural implicit representation, the parameterization of a continuous distance function as a Multi-Layer Perceptron (MLP), has emerged as a promising lead in tackling surface reconstruction from unoriented point clouds. In the presence of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Ruichen Zheng , Tao Yu , Ruizhen Hu

Recent years have witnessed significant progress in the field of neural surface reconstruction. While the extensive focus was put on volumetric and implicit approaches, a number of works have shown that explicit graphics primitives such as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Sergey Prokudin , Qianli Ma , Maxime Raafat , Julien Valentin , Siyu Tang

Novel view synthesis and 3D modeling using implicit neural field representation are shown to be very effective for calibrated multi-view cameras. Such representations are known to benefit from additional geometric and semantic supervision.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Nikola Popovic , Danda Pani Paudel , Luc Van Gool

Molecular dynamics (MD) simulations enable the study of the motion of small and large (bio)molecules and the estimation of their conformational ensembles. The description of the environment (solvent) has thereby a large impact. Implicit…

Chemical Physics · Physics 2023-05-25 Paul Katzberger , Sereina Riniker

Implicit Neural Representations (INRs), also known as neural fields, have emerged as a powerful paradigm in deep learning, parameterizing continuous spatial fields using coordinate-based neural networks. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Yichi Zhang , Qianqian Yang

We propose a novel shape representation useful for analyzing and processing shape collections, as well for a variety of learning and inference tasks. Unlike most approaches that capture variability in a collection by using a template model…

Graphics · Computer Science 2018-06-13 Ruqi Huang , Panos Achlioptas , Leonidas Guibas , Maks Ovsjanikov

We present a method that learns neural shadow fields which are neural scene representations that are only learnt from the shadows present in the scene. While traditional shape-from-shadow (SfS) algorithms reconstruct geometry from shadows,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Kushagra Tiwary , Tzofi Klinghoffer , Ramesh Raskar

Existing neural implicit surface reconstruction methods have achieved impressive performance in multi-view 3D reconstruction by leveraging explicit geometry priors such as depth maps or point clouds as regularization. However, the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Hanlin Chen , Chen Li , Yunsong Wang , Gim Hee Lee

The phenomenon of implicit regularization has attracted interest in recent years as a fundamental aspect of the remarkable generalizing ability of neural networks. In a nutshell, it entails that gradient descent dynamics in many neural…

Machine Learning · Computer Science 2024-02-28 Hong T. M. Chu , Subhro Ghosh , Chi Thanh Lam , Soumendu Sundar Mukherjee

Focusing on implicit neural representations, we present a novel in situ training protocol that employs limited memory buffers of full and sketched data samples, where the sketched data are leveraged to prevent catastrophic forgetting. The…

Machine Learning · Computer Science 2026-04-21 Cooper Simpson , Stephen Becker , Alireza Doostan

Works on implicit regularization have studied gradient trajectories during the optimization process to explain why deep networks favor certain kinds of solutions over others. In deep linear networks, it has been shown that gradient descent…

Machine Learning · Computer Science 2023-06-02 Dan Zhao

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