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相关论文: Neural Structure Fields with Application to Crysta…

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A general method to obtain a representation of the structural landscape of nanoparticles in terms of a limited number of variables is proposed. The method is applied to a large dataset of parallel tempering molecular dynamics simulations of…

Neural fields, coordinate-based neural networks, have recently gained popularity for implicitly representing a scene. In contrast to classical methods that are based on explicit representations such as point clouds, neural fields provide a…

机器人学 · 计算机科学 2024-02-16 Stephen Hausler , David Hall , Sutharsan Mahendren , Peyman Moghadam

Neural Radiance Fields (NeRFs) have emerged as a standard framework for representing 3D scenes and objects, introducing a novel data type for information exchange and storage. Concurrently, significant progress has been made in multimodal…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Francesco Ballerini , Pierluigi Zama Ramirez , Roberto Mirabella , Samuele Salti , Luigi Di Stefano

The 3D characterization of microstructures is crucial for understanding and designing functional materials. However, the scanning electron microscope (SEM), widely used in scientific research, captures only 2D electron intensity…

图像与视频处理 · 电气工程与系统科学 2026-04-06 Shuo Chen , Yijin Li , Xi Zheng , Guofeng Zhang

Implicit neural field generating signed distance field representations (SDFs) of 3D shapes have shown remarkable progress in 3D shape reconstruction and generation. We introduce a new paradigm for neural field representations of 3D scenes;…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Angela Dai , Matthias Nießner

Recent advances in Neural Radiance Fields (NeRF) boast impressive performances for generative tasks such as novel view synthesis and 3D reconstruction. Methods based on neural radiance fields are able to represent the 3D world implicitly by…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Jesus Zarzar , Sara Rojas , Silvio Giancola , Bernard Ghanem

A novel Neural Network architecture is proposed using the mathematically and physically rich idea of vector fields as hidden layers to perform nonlinear transformations in the data. The data points are interpreted as particles moving along…

机器学习 · 计算机科学 2018-02-23 Daniel Vieira , Fabio Rangel , Fabricio Firmino , Joao Paixao

Reconstructing 3D objects from 2D images is a fundamental task in computer vision. Accurate structured reconstruction by parsimonious and semantic primitive representation further broadens its application. When reconstructing a target shape…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Yuki Kawana , Yusuke Mukuta , Tatsuya Harada

Largely due to their implicit nature, neural fields lack a direct mechanism for filtering, as Fourier analysis from discrete signal processing is not directly applicable to these representations. Effective filtering of neural fields is…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Ahan Shabanov , Shrisudhan Govindarajan , Cody Reading , Lily Goli , Daniel Rebain , Kwang Moo Yi , Andrea Tagliasacchi

Reconstruction and intrinsic decomposition of scenes from captured imagery would enable many applications such as relighting and virtual object insertion. Recent NeRF based methods achieve impressive fidelity of 3D reconstruction, but bake…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Zian Wang , Tianchang Shen , Jun Gao , Shengyu Huang , Jacob Munkberg , Jon Hasselgren , Zan Gojcic , Wenzheng Chen , Sanja Fidler

Recently, Neural Radiance Field (NeRF) has shown great success in rendering novel-view images of a given scene by learning an implicit representation with only posed RGB images. NeRF and relevant neural field methods (e.g., neural surface…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Zeke Xie , Xindi Yang , Yujie Yang , Qi Sun , Yixiang Jiang , Haoran Wang , Yunfeng Cai , Mingming Sun

Novel materials drive advancements in fields ranging from energy storage to electronics, with crystal structure characterization forming a crucial yet challenging step in materials discovery. In this work, we introduce \emph{deCIFer}, an…

This work is concerned with a representation of shapes that disentangles fine, local and possibly repeating geometry, from global, coarse structures. Achieving such disentanglement leads to two unrelated advantages: i) a significant…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Luca Morreale , Noam Aigerman , Paul Guerrero , Vladimir G. Kim , Niloy J. Mitra

Accurately predicting the elastic properties of crystalline solids is vital for computational materials science. However, traditional atomistic scale ab initio approaches are computationally intensive, especially for studying complex…

无序系统与神经网络 · 物理学 2023-11-13 Teerachote Pakornchote , Annop Ektarawong , Thiparat Chotibut

Understanding and predicting microstructure evolution is fundamental to materials science, as it governs the resulting properties and performance of materials. Traditional simulation methods, such as phase-field models, offer high-fidelity…

机器学习 · 计算机科学 2026-02-24 Michael Trimboli , Mohammed Alsubaie , Sirani M. Perera , Ke-Gang Wang , Xianqi Li

We apply recent advances in machine learning and computer vision to a central problem in materials informatics: The statistical representation of microstructural images. We use activations in a pre-trained convolutional neural network to…

计算物理 · 物理学 2018-12-04 Nicholas Lubbers , Turab Lookman , Kipton Barros

State-of-the-art neural implicit surface representations have achieved impressive results in indoor scene reconstruction by incorporating monocular geometric priors as additional supervision. However, we have observed that multi-view…

计算机视觉与模式识别 · 计算机科学 2024-05-02 Ziyi Chen , Xiaolong Wu , Yu Zhang

Neural implicit representation is a promising approach for reconstructing surfaces from point clouds. Existing methods combine various regularization terms, such as the Eikonal and Laplacian energy terms, to enforce the learned neural…

计算机视觉与模式识别 · 计算机科学 2023-09-07 Zixiong Wang , Yunxiao Zhang , Rui Xu , Fan Zhang , Pengshuai Wang , Shuangmin Chen , Shiqing Xin , Wenping Wang , Changhe Tu

Since the advent of Neural Radiance Fields, novel view synthesis has received tremendous attention. The existing approach for the generalization of radiance field reconstruction primarily constructs an encoding volume from nearby source…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Jingliang Li , Qiang Zhou , Chaohui Yu , Zhengda Lu , Jun Xiao , Zhibin Wang , Fan Wang

Neural Representations have recently been shown to effectively reconstruct a wide range of signals from 3D meshes and shapes to images and videos. We show that, when adapted correctly, neural representations can be used to directly…

机器学习 · 计算机科学 2023-04-24 Maor Ashkenazi , Zohar Rimon , Ron Vainshtein , Shir Levi , Elad Richardson , Pinchas Mintz , Eran Treister