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Learning-based methods to solve dense 3D vision problems typically train on 3D sensor data. The respectively used principle of measuring distances provides advantages and drawbacks. These are typically not compared nor discussed in the…

Visual Odometry (VO) is a method to estimate self-motion of a mobile robot using visual sensors. Unlike odometry based on integrating differential measurements that can accumulate errors, such as inertial sensors or wheel encoders, visual…

Recently there has been a growing interest in category-level object pose and size estimation, and prevailing methods commonly rely on single view RGB-D images. However, one disadvantage of such methods is that they require accurate depth…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Jiaqi Yang , Yucong Chen , Xiangting Meng , Chenxin Yan , Min Li , Ran Cheng , Lige Liu , Tao Sun , Laurent Kneip

Relative pose estimation for RGBD cameras is crucial in a number of applications. Previous approaches either rely on the RGB aspect of the images to estimate pose thus not fully making use of depth in the estimation process or estimate pose…

计算机视觉与模式识别 · 计算机科学 2024-01-02 Sourav Kumar , Chiang-Heng Chien , Benjamin Kimia

While dense visual SLAM methods are capable of estimating dense reconstructions of the environment, they suffer from a lack of robustness in their tracking step, especially when the optimisation is poorly initialised. Sparse visual SLAM…

机器人学 · 计算机科学 2022-07-25 Tristan Laidlow , Michael Bloesch , Wenbin Li , Stefan Leutenegger

The RGB-Depth (RGB-D) Video Object Segmentation (VOS) aims to integrate the fine-grained texture information of RGB with the spatial geometric clues of depth modality, boosting the performance of segmentation. However, off-the-shelf RGB-D…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Boyue Xu , Ruichao Hou , Tongwei Ren , Gangshan Wu

Estimating motion from images is a well-studied problem in computer vision and robotics. Previous work has developed techniques to estimate the motion of a moving camera in a largely static environment (e.g., visual odometry) and to segment…

机器人学 · 计算机科学 2019-03-01 Kevin M. Judd , Jonathan D. Gammell , Paul Newman

The technology for Visual Odometry (VO) that estimates the position and orientation of the moving object through analyzing the image sequences captured by on-board cameras, has been well investigated with the rising interest in autonomous…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Ran Zhu , Mingkun Yang , Wang Liu , Rujun Song , Bo Yan , Zhuoling Xiao

Estimating relative camera poses from consecutive frames is a fundamental problem in visual odometry (VO) and simultaneous localization and mapping (SLAM), where classic methods consisting of hand-crafted features and sampling-based outlier…

计算机视觉与模式识别 · 计算机科学 2020-07-31 You-Yi Jau , Rui Zhu , Hao Su , Manmohan Chandraker

LiDAR odometry is a fundamental task for various areas such as robotics, autonomous driving. This problem is difficult since it requires the systems to be highly robust running in noisy real-world data. Existing methods are mostly local…

计算机视觉与模式识别 · 计算机科学 2020-04-10 Zhichao Li , Naiyan Wang

Visual-inertial odometry (VIO) is widely used for mobile robot localization, but its long-term accuracy degrades without global constraints. Incorporating ranging sensors such as ultra-wideband (UWB) can mitigate drift; however,…

机器人学 · 计算机科学 2026-04-17 Yu-An Liu , Li Zhang

Motion blur is one of the major challenges remaining for visual odometry methods. In low-light conditions where longer exposure times are necessary, motion blur can appear even for relatively slow camera motions. In this paper we present a…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Peidong Liu , Xingxing Zuo , Viktor Larsson , Marc Pollefeys

Learning-based visual odometry (VO) algorithms achieve remarkable performance on common static scenes, benefiting from high-capacity models and massive annotated data, but tend to fail in dynamic, populated environments. Semantic…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Shihao Shen , Yilin Cai , Wenshan Wang , Sebastian Scherer

A novel approach towards depth map super-resolution using multi-view uncalibrated photometric stereo is presented. Practically, an LED light source is attached to a commodity RGB-D sensor and is used to capture objects from multiple…

计算机视觉与模式识别 · 计算机科学 2019-12-16 Lu Sang , Bjoern Haefner , Daniel Cremers

As a part of the perception results of intelligent driving systems, static object detection (SOD) in 3D space provides crucial cues for driving environment understanding. With the rapid deployment of deep neural networks for SOD tasks, the…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Chenyao Yu , Yingfeng Cai , Jiaxin Zhang , Hui Kong , Wei Sui , Cong Yang

Visual-inertial odometry (VIO) is the pose estimation backbone for most AR/VR and autonomous robotic systems today, in both academia and industry. However, these systems are highly sensitive to the initialization of key parameters such as…

机器人学 · 计算机科学 2022-08-03 Yunwen Zhou , Abhishek Kar , Eric Turner , Adarsh Kowdle , Chao X. Guo , Ryan C. DuToit , Konstantine Tsotsos

Efficiently synthesizing novel views from sparse inputs while maintaining accuracy remains a critical challenge in 3D reconstruction. While advanced techniques like radiance fields and 3D Gaussian Splatting achieve rendering quality and…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Chenlu Zhan , Yufei Zhang , Yu Lin , Gaoang Wang , Hongwei Wang

Event-based visual odometry is a specific branch of visual Simultaneous Localization and Mapping (SLAM) techniques, which aims at solving tracking and mapping subproblems (typically in parallel), by exploiting the special working principles…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Junkai Niu , Sheng Zhong , Xiuyuan Lu , Shaojie Shen , Guillermo Gallego , Yi Zhou

Dynamic scenes that contain both object motion and egomotion are a challenge for monocular visual odometry (VO). Another issue with monocular VO is the scale ambiguity, i.e. these methods cannot estimate scene depth and camera motion in…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Hirak J Kashyap , Charless Fowlkes , Jeffrey L Krichmar

Odometry is of key importance for localization in the absence of a map. There is considerable work in the area of visual odometry (VO), and recent advances in deep learning have brought novel approaches to VO, which directly learn salient…

计算机视觉与模式识别 · 计算机科学 2020-03-06 Wei Wang , Muhamad Risqi U. Saputra , Peijun Zhao , Pedro Gusmao , Bo Yang , Changhao Chen , Andrew Markham , Niki Trigoni