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Shape priors learned from data are commonly used to reconstruct 3D objects from partial or noisy data. Yet no such shape priors are available for indoor scenes, since typical 3D autoencoders cannot handle their scale, complexity, or…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Chiyu Max Jiang , Avneesh Sud , Ameesh Makadia , Jingwei Huang , Matthias Nießner , Thomas Funkhouser

It is challenging to reconstruct 3D point clouds in unseen classes from single 2D images. Instead of object-centered coordinate system, current methods generalized global priors learned in seen classes to reconstruct 3D shapes from unseen…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Chao Chen , Yu-Shen Liu , Zhizhong Han

In this work, we aim to improve the 3D reasoning ability of Transformers in multi-view 3D human pose estimation. Recent works have focused on end-to-end learning-based transformer designs, which struggle to resolve geometric information…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Ziwei Liao , Jialiang Zhu , Chunyu Wang , Han Hu , Steven L. Waslander

Localization for autonomous robots in prior maps is crucial for their functionality. This paper offers a solution to this problem for indoor environments called InstaLoc, which operates on an individual lidar scan to localize it within a…

机器人学 · 计算机科学 2023-07-06 Lintong Zhang , Tejaswi Digumarti , Georgi Tinchev , Maurice Fallon

Recent advances in 3D Gaussian Splatting (3DGS) have enabled real-time, photorealistic scene reconstruction. However, conventional 3DGS frameworks typically rely on sparse point clouds derived from Structure-from-Motion (SfM), which…

图形学 · 计算机科学 2026-03-25 Yan Fang , Jianfei Ge , Jiangjian Xiao

While structure-based relocalizers have long strived for point correspondences when establishing or regressing query-map associations, in this paper, we pioneer the use of planar primitives and 3D planar maps for lightweight 6-DoF camera…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Hanqiao Ye , Yuzhou Liu , Yangdong Liu , Shuhan Shen

Spatial reasoning is a fundamental aspect of human cognition, enabling intuitive understanding and manipulation of objects in three-dimensional space. While foundation models demonstrate remarkable performance on some benchmarks, they still…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Fan-Yun Sun , Weiyu Liu , Siyi Gu , Dylan Lim , Goutam Bhat , Federico Tombari , Manling Li , Nick Haber , Jiajun Wu

Video-based 3D human pose and shape estimations are evaluated by intra-frame accuracy and inter-frame smoothness. Although these two metrics are responsible for different ranges of temporal consistency, existing state-of-the-art methods…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Xiaolong Shen , Zongxin Yang , Xiaohan Wang , Jianxin Ma , Chang Zhou , Yi Yang

The aim of this paper is to propose new algorithms for Field of Vision (FOV) computation which improve on existing work at high resolutions. FOV refers to the set of locations that are visible from a specific position in a scene of a…

计算机视觉与模式识别 · 计算机科学 2021-01-28 Evan R. M. Debenham , Roberto Solis-Oba

Neural implicit surface reconstruction using volume rendering techniques has recently achieved significant advancements in creating high-fidelity surfaces from multiple 2D images. However, current methods primarily target scenes with…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Lintao Xiang , Hongpei Zheng , Bailin Deng , Hujun Yin

Acquiring 3D geometry of real world objects has various applications in 3D digitization, such as navigation and content generation in virtual environments. Image remains one of the most popular media for such visual tasks due to its…

计算机视觉与模式识别 · 计算机科学 2017-01-26 Shuai Du , Youyi Zheng

Humans naturally rely on floor plans to navigate in unfamiliar environments, as they are readily available, reliable, and provide rich geometrical guidance. However, existing visual navigation settings overlook this valuable prior…

机器人学 · 计算机科学 2025-03-10 Jiaxin Li , Weiqi Huang , Zan Wang , Wei Liang , Huijun Di , Feng Liu

In many applications, maintaining a consistent map of the environment is key to enabling robotic platforms to perform higher-level decision making. Detection of already visited locations is one of the primary ways in which map consistency…

机器人学 · 计算机科学 2019-08-07 Alexander Millane , Helen Oleynikova , Juan Nieto , Roland Siegwart , César Cadena

Despite significant advances in modeling image priors via diffusion models, 3D-aware image editing remains challenging, in part because the object is only specified via a single image. To tackle this challenge, we propose 3D-Fixup, a new…

计算机视觉与模式识别 · 计算机科学 2025-05-16 Yen-Chi Cheng , Krishna Kumar Singh , Jae Shin Yoon , Alex Schwing , Liangyan Gui , Matheus Gadelha , Paul Guerrero , Nanxuan Zhao

Detecting 3D lanes from the camera is a rising problem for autonomous vehicles. In this task, the correct camera pose is the key to generating accurate lanes, which can transform an image from perspective-view to the top-view. With this…

计算机视觉与模式识别 · 计算机科学 2022-01-03 Ruijin Liu , Dapeng Chen , Tie Liu , Zhiliang Xiong , Zejian Yuan

3D occupancy prediction is an important task for the robustness of vision-centric autonomous driving, which aims to predict whether each point is occupied in the surrounding 3D space. Existing methods usually require 3D occupancy labels to…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Yuanhui Huang , Wenzhao Zheng , Borui Zhang , Jie Zhou , Jiwen Lu

Re-localizing a camera from a single image in a previously mapped area is vital for many computer vision applications in robotics and augmented/virtual reality. In this work, we address the problem of estimating the 6 DoF camera pose…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Mohammad Altillawi , Zador Pataki , Shile Li , Ziyuan Liu

Reconstructing geometry and topology structures from raw unstructured data has always been an important research topic in indoor mapping research. In this paper, we aim to reconstruct the floorplan with a vectorized representation from…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Yuzhou Liu , Lingjie Zhu , Xiaodong Ma , Hanqiao Ye , Xiang Gao , Xianwei Zheng , Shuhan Shen

Accurate localization is essential for autonomous driving, but GNSS-based methods struggle in challenging environments such as urban canyons. Cross-view pose optimization offers an effective solution by directly estimating vehicle pose…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Wooju Lee , Juhye Park , Dasol Hong , Changki Sung , Youngwoo Seo , Dongwan Kang , Hyun Myung

Reconstructing 3D representations from 2D inputs is a fundamental task in computer vision and graphics, serving as a cornerstone for understanding and interacting with the physical world. While traditional methods achieve high fidelity,…