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Neural Radiance Fields (NeRF) have constituted a remarkable breakthrough in image-based 3D reconstruction. However, their implicit volumetric representations differ significantly from the widely-adopted polygonal meshes and lack support…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Jiaxiang Tang , Hang Zhou , Xiaokang Chen , Tianshu Hu , Errui Ding , Jingdong Wang , Gang Zeng

We present a novel neural surface reconstruction method called NeuralRoom for reconstructing room-sized indoor scenes directly from a set of 2D images. Recently, implicit neural representations have become a promising way to reconstruct…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Yusen Wang , Zongcheng Li , Yu Jiang , Kaixuan Zhou , Tuo Cao , Yanping Fu , Chunxia Xiao

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

We show that typical implicit regularization assumptions for deep neural networks (for regression) do not hold for coordinate-MLPs, a family of MLPs that are now ubiquitous in computer vision for representing high-frequency signals. Lack of…

机器学习 · 计算机科学 2022-02-03 Sameera Ramasinghe , Lachlan MacDonald , Simon Lucey

spectral-based subspace learning is a common data preprocessing step in many machine learning pipelines. The main aim is to learn a meaningful low dimensional embedding of the data. However, most subspace learning methods do not take into…

机器学习 · 计算机科学 2023-06-14 Firas Laakom , Jenni Raitoharju , Nikolaos Passalis , Alexandros Iosifidis , Moncef Gabbouj

Despite the enormous success of artificial neural networks (ANNs) in many disciplines, the characterization of their computations and the origin of key properties such as generalization and robustness remain open questions. Recent…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Nikos Karantzas , Emma Besier , Josue Ortega Caro , Xaq Pitkow , Andreas S. Tolias , Ankit B. Patel , Fabio Anselmi

Radio frequency (RF) data contain richer information compared to other data types, such as envelope or B-mode, and employing RF data for training deep neural networks has attracted growing interest in ultrasound image processing. However,…

图像与视频处理 · 电气工程与系统科学 2023-08-24 Mostafa Sharifzadeh , Habib Benali , Hassan Rivaz

Implicit Neural Representations (INRs) have recently gained attention as a powerful approach for continuously representing signals such as images, videos, and 3D shapes using multilayer perceptrons (MLPs). However, MLPs are known to exhibit…

机器学习 · 计算机科学 2024-10-10 Adam Kania , Marko Mihajlovic , Sergey Prokudin , Jacek Tabor , Przemysław Spurek

Neural networks are prone to overfitting and memorizing data patterns. To avoid over-fitting and enhance their generalization and performance, various methods have been suggested in the literature, including dropout, regularization, label…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Humza Naveed , Saeed Anwar , Munawar Hayat , Kashif Javed , Ajmal Mian

The purpose of image inpainting is to recover scratches and damaged areas using context information from remaining parts. In recent years, thanks to the resurgence of convolutional neural networks (CNNs), image inpainting task has made…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Zeyu Lu , Junjun Jiang , Junqin Huang , Gang Wu , Xianming Liu

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Yukai Shi , Jinghui Qin

Recently, a surge of 3D style transfer methods has been proposed that leverage the scene reconstruction power of a pre-trained neural radiance field (NeRF). To successfully stylize a scene this way, one must first reconstruct a…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Y. Wang , A. Gao , Y. Gong , Y. Zeng

Effective information analysis generally boils down to properly identifying the structure or geometry of the data, which is often represented by a graph. In some applications, this structure may be partly determined by design constraints or…

机器学习 · 计算机科学 2016-11-07 Dorina Thanou , Xiaowen Dong , Daniel Kressner , Pascal Frossard

We present a novel method for reconstructing clothed humans from a sparse set of, e.g., 1 to 6 RGB images. Despite impressive results from recent works employing deep implicit representation, we revisit the volumetric approach and…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Sicong Tang , Guangyuan Wang , Qing Ran , Lingzhi Li , Li Shen , Ping Tan

Recovery of an underlying scene geometry from multiview images stands as a long-time challenge in computer vision research. The recent promise leverages neural implicit surface learning and differentiable volume rendering, and achieves both…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Zhihao Liang , Zhangjin Huang , Changxing Ding , Kui Jia

Neural Radiance Fields (NeRF) have led to breakthroughs in the novel view synthesis problem. Positional Encoding (P.E.) is a critical factor that brings the impressive performance of NeRF, where low-dimensional coordinates are mapped to…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Liangchen Song , Zhong Li , Xuan Gong , Lele Chen , Zhang Chen , Yi Xu , Junsong Yuan

Large-scale text-to-image models enable a wide range of image editing techniques, using text prompts or even spatial controls. However, applying these editing methods to multi-view images depicting a single scene leads to 3D-inconsistent…

计算机视觉与模式识别 · 计算机科学 2024-02-23 Or Patashnik , Rinon Gal , Daniel Cohen-Or , Jun-Yan Zhu , Fernando De la Torre

Feedforward generalizable models for implicit shape reconstruction from unoriented point cloud present multiple advantages, including high performance and inference speed. However, they still suffer from generalization issues, ranging from…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Amine Ouasfi , Adnane Boukhayma

In ground based infrared imaging a well-known technique to reduce the influence of thermal and background noise is chopping and nodding, where four different signals of the same object are recorded from which the object is reconstructed…

天体物理学 · 物理学 2009-11-11 Frank Lenzen , Otmar Scherzer , Sabine Schindler

Residual connections and normalization layers have become standard design choices for graph neural networks (GNNs), and were proposed as solutions to the mitigate the oversmoothing problem in GNNs. However, how exactly these methods help…

机器学习 · 计算机科学 2026-01-21 Michael Scholkemper , Xinyi Wu , Ali Jadbabaie , Michael T. Schaub