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Camera, and associated with its objects within the field of view, localization could benefit many computer vision fields, such as autonomous driving, robot navigation, and augmented reality (AR). In this survey, we first introduce specific…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Meng Xu , Youchen Wang , Bin Xu , Jun Zhang , Jian Ren , Stefan Poslad , Pengfei Xu

Dashboard cameras (dashcams) record millions of driving videos daily, offering a valuable potential data source for various applications, including driving map production and updates. A necessary step for utilizing these dashcam data…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Yipeng Lu , Yifan Zhao , Haiping Wang , Zhiwei Ruan , Yuan Liu , Zhen Dong , Bisheng Yang

Diffusion models have achieved remarkable progress in universal image restoration. While existing methods speed up inference by reducing sampling steps, substantial step intervals often introduce cumulative errors. Moreover, they struggle…

计算机视觉与模式识别 · 计算机科学 2025-05-09 Hebaixu Wang , Jing Zhang , Haonan Guo , Di Wang , Jiayi Ma , Bo Du

Mapping and localization are crucial problems in robotics and autonomous driving. Recent advances in 3D Gaussian Splatting (3DGS) have enabled precise 3D mapping and scene understanding by rendering photo-realistic images. However, existing…

机器人学 · 计算机科学 2025-01-24 Jaewon Lee , Mangyu Kong , Minseong Park , Euntai Kim

Recent advancements in computer vision have seen a rise in the prominence of applications using neural networks to understand human poses. However, while accuracy has been steadily increasing on State-of-the-Art datasets, these datasets…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Ghazal Alinezhad Noghre , Armin Danesh Pazho , Justin Sanchez , Nathan Hewitt , Christopher Neff , Hamed Tabkhi

Due to the lack of diversity of datasets, the generalization ability of the pose estimator is poor. To solve this problem, we propose a pose augmentation solution via DH forward kinematics model, which we call DH-AUG. We observe that the…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Linzhi Huang , Jiahao Liang , Weihong Deng

While generalizable 3D Gaussian splatting enables efficient, high-quality rendering of unseen scenes, it heavily depends on precise camera poses for accurate geometry. In real-world scenarios, obtaining accurate poses is challenging,…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Youngju Na , Taeyeon Kim , Jumin Lee , Kyu Beom Han , Woo Jae Kim , Sung-eui Yoon

Dynamic scene rendering and reconstruction play a crucial role in computer vision and augmented reality. Recent methods based on 3D Gaussian Splatting (3DGS), have enabled accurate modeling of dynamic urban scenes, but for urban scenes they…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Siddharth Tourani , Jayaram Reddy , Akash Kumbar , Satyajit Tourani , Nishant Goyal , Madhava Krishna , N. Dinesh Reddy , Muhammad Haris Khan

This paper proposes a new lightweight Transformer-based lifter that maps short sequences of human 2D joint positions to 3D poses using a single camera. The proposed model takes as input geometric priors including segment lengths and camera…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Mohamed Adjel , Vincent Bonnet

An accurate and uncertainty-aware 3D human body pose estimation is key to enabling truly safe but efficient human-robot interactions. Current uncertainty-aware methods in 3D human pose estimation are limited to predicting the uncertainty of…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Simon Schaefer , Dorian F. Henning , Stefan Leutenegger

In this paper, we address common error sources for 3D Gaussian Splatting (3DGS) including blur, imperfect camera poses, and color inconsistencies, with the goal of improving its robustness for practical applications like reconstructions…

计算机视觉与模式识别 · 计算机科学 2024-04-08 François Darmon , Lorenzo Porzi , Samuel Rota-Bulò , Peter Kontschieder

We introduce GSVisLoc, a visual localization method designed for 3D Gaussian Splatting (3DGS) scene representations. Given a 3DGS model of a scene and a query image, our goal is to estimate the camera's position and orientation. We…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Fadi Khatib , Dror Moran , Guy Trostianetsky , Yoni Kasten , Meirav Galun , Ronen Basri

This paper introduces LiGSM, a novel LiDAR-enhanced 3D Gaussian Splatting (3DGS) mapping framework that improves the accuracy and robustness of 3D scene mapping by integrating LiDAR data. LiGSM constructs joint loss from images and LiDAR…

机器人学 · 计算机科学 2025-03-10 Jian Shen , Huai Yu , Ji Wu , Wen Yang , Gui-Song Xia

Simultaneous Localization and Mapping (SLAM) is one of the most important environment-perception and navigation algorithms for computer vision, robotics, and autonomous cars/drones. Hence, high quality and fast mapping becomes a fundamental…

The growing applications of AR/VR increase the demand for real-time full-body pose estimation from Head-Mounted Displays (HMDs). Although HMDs provide joint signals from the head and hands, reconstructing a full-body pose remains…

计算机视觉与模式识别 · 计算机科学 2025-04-28 Shuting Zhao , Linxin Bai , Liangjing Shao , Ye Zhang , Xinrong Chen

Precise initialization plays a critical role in the performance of localization algorithms, especially in the context of robotics, autonomous driving, and computer vision. Poor localization accuracy is often a consequence of inaccurate…

机器人学 · 计算机科学 2025-05-15 Srinivas Ravuri , Yuan Xu , Martin Ludwig Zehetner , Ketan Motlag , Sahin Albayrak

We propose GGS, a Generalizable Gaussian Splatting method for Autonomous Driving which can achieve realistic rendering under large viewpoint changes. Previous generalizable 3D gaussian splatting methods are limited to rendering novel views…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Huasong Han , Kaixuan Zhou , Xiaoxiao Long , Yusen Wang , Chunxia Xiao

Accurate camera pose estimation is a fundamental requirement for numerous applications, such as autonomous driving, mobile robotics, and augmented reality. In this work, we address the problem of estimating the global 6 DoF camera pose from…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Mohammad Altillawi

We leverage 3D Gaussian Splatting (3DGS) as a scene representation and propose a novel test-time camera pose refinement (CPR) framework, GS-CPR. This framework enhances the localization accuracy of state-of-the-art absolute pose regression…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Changkun Liu , Shuai Chen , Yash Bhalgat , Siyan Hu , Ming Cheng , Zirui Wang , Victor Adrian Prisacariu , Tristan Braud

Progressive dimensionality reduction algorithms allow for visually investigating intermediate results, especially for large data sets. While different algorithms exist that progressively increase the number of data points, we propose an…

图形学 · 计算机科学 2024-10-28 Marina Evers , David Hägele , Sören Döring , Daniel Weiskopf