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相关论文: Adaptive Surface Normal Constraint for Geometric E…

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With the rapid development of high-resolution 3D vision applications, the traditional way of manipulating surface detail requires considerable memory and computing time. To address these problems, we introduce an efficient surface detail…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Wuyuan Xie , Miaohui Wang , Di Lin , Boxin Shi , Jianmin Jiang

We focus on estimating the 3D orientation of the ground plane from a single image. We formulate the problem as an inter-mingled multi-task prediction problem by jointly optimizing for pixel-wise surface normal direction, ground plane…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Yunze Man , Xinshuo Weng , Xi Li , Kris Kitani

Geometric estimation is required for scene understanding and analysis in panoramic 360{\deg} images. Current methods usually predict a single feature, such as depth or surface normal. These methods can lack robustness, especially when…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Kun Huang , Fang-Lue Zhang , Fangfang Zhang , Yu-Kun Lai , Paul L. Rosin , Neil A. Dodgson

Graph data often exhibits complex geometric heterogeneity, where structures with varying local curvature, such as tree-like hierarchies and dense communities, coexist within a single network. Existing geometric GNNs, which embed graphs into…

机器学习 · 计算机科学 2026-01-21 Xudong Wang , Chris Ding , Tongxin Li , Jicong Fan

Solving depth estimation with monocular cameras enables the possibility of widespread use of cameras as low-cost depth estimation sensors in applications such as autonomous driving and robotics. However, learning such a scalable depth…

计算机视觉与模式识别 · 计算机科学 2020-07-30 Bin Cheng , Inderjot Singh Saggu , Raunak Shah , Gaurav Bansal , Dinesh Bharadia

Neural implicit reconstruction via volume rendering has demonstrated its effectiveness in recovering dense 3D surfaces. However, it is non-trivial to simultaneously recover meticulous geometry and preserve smoothness across regions with…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Ziyu Tang , Weicai Ye , Yifan Wang , Di Huang , Hujun Bao , Tong He , Guofeng Zhang

Current unsupervised anomaly localization approaches rely on generative models to learn the distribution of normal images, which is later used to identify potential anomalous regions derived from errors on the reconstructed images. However,…

图像与视频处理 · 电气工程与系统科学 2022-07-13 Julio Silva-Rodríguez , Valery Naranjo , Jose Dolz

This paper introduces a new learning-based method, NASM, for anisotropic surface meshing. Our key idea is to propose a graph neural network to embed an input mesh into a high-dimensional (high-d) Euclidean embedding space to preserve…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Hongbo Li , Haikuan Zhu , Sikai Zhong , Ningna Wang , Cheng Lin , Xiaohu Guo , Shiqing Xin , Wenping Wang , Jing Hua , Zichun Zhong

In this paper, we present a spatial rectifier to estimate surface normals of tilted images. Tilted images are of particular interest as more visual data are captured by arbitrarily oriented sensors such as body-/robot-mounted cameras.…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Tien Do , Khiem Vuong , Stergios I. Roumeliotis , Hyun Soo Park

To be robust to illumination changes when detecting objects in images, the current trend is to train a Deep Network with training images captured under many different lighting conditions. Unfortunately, creating such a training set is very…

计算机视觉与模式识别 · 计算机科学 2017-09-01 Mahdi Rad , Peter M. Roth , Vincent Lepetit

We propose the use of a Transformer to accurately predict normals from point clouds with noise and density variations. Previous learning-based methods utilize PointNet variants to explicitly extract multi-scale features at different input…

计算机视觉与模式识别 · 计算机科学 2024-01-12 Barry Shichen Hu , Siyun Liang , Johannes Paetzold , Huy H. Nguyen , Isao Echizen , Jiapeng Tang

To make Robotics and Augmented Reality applications robust to illumination changes, the current trend is to train a Deep Network with training images captured under many different lighting conditions. Unfortunately, creating such a training…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Mahdi Rad , Peter M. Roth , Vincent Lepetit

Although self-supervised learning enables us to bootstrap the training by exploiting unlabeled data, the generic self-supervised methods for natural images do not sufficiently incorporate the context. For medical images, a desirable method…

图像与视频处理 · 电气工程与系统科学 2022-07-08 Li Sun , Ke Yu , Kayhan Batmanghelich

This work introduces a novel method for surface normal estimation from rectified stereo image pairs, leveraging affine transformations derived from disparity values to achieve fast and accurate results. We demonstrate how the rectification…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Csongor Csanad Kariko , Muhammad Rafi Faisal , Levente Hajder

Camera localization is a fundamental and key component of autonomous driving vehicles and mobile robots to localize themselves globally for further environment perception, path planning and motion control. Recently end-to-end approaches…

计算机视觉与模式识别 · 计算机科学 2020-05-14 Mi Tian , Qiong Nie , Hao Shen

This paper presents an end-to-end differentiable algorithm for robust and detail-preserving surface normal estimation on unstructured point-clouds. We utilize graph neural networks to iteratively parameterize an adaptive anisotropic kernel…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Jan Eric Lenssen , Christian Osendorfer , Jonathan Masci

Many problems in computer vision require dealing with sparse, unordered data in the form of point clouds. Permutation-equivariant networks have become a popular solution-they operate on individual data points with simple perceptrons and…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Weiwei Sun , Wei Jiang , Eduard Trulls , Andrea Tagliasacchi , Kwang Moo Yi

One-class anomaly detection aims to detect objects that do not belong to a predefined normal class. In practice training data lack those anomalous samples; hence state-of-the-art methods are trained to discriminate between normal and…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Romain Hermary , Vincent Gaudillière , Abd El Rahman Shabayek , Djamila Aouada

Accurate surround-view depth estimation provides a competitive alternative to laser-based sensors and is essential for 3D scene understanding in autonomous driving. While empirical studies have proposed various approaches that primarily…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Weimin Liu , Wenjun Wang , Joshua H. Meng

Surveillance and surveying are two important applications of empirical research. A major part of terrain modelling is supported by photographic surveys which are used for capturing expansive natural surfaces using a wide range of sensors --…

图像与视频处理 · 电气工程与系统科学 2023-05-16 Maniratnam Mandal , Venkatesh K. Subramanian