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Visual odometry (VO) plays a crucial role in autonomous driving, robotic navigation, and other related tasks by estimating the position and orientation of a camera based on visual input. Significant progress has been made in data-driven VO…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Dongzhihan Wang , Yang Yang , Liang Xu

Accurate 6-DoF object pose estimation and tracking are critical for reliable robotic manipulation. However, zero-shot methods often fail under viewpoint-induced ambiguities and fixed-camera setups struggle when objects move or become…

Robotics · Computer Science 2026-03-10 Sheng Liu , Zhe Li , Weiheng Wang , Han Sun , Heng Zhang , Hongpeng Chen , Yusen Qin , Arash Ajoudani , Yizhao Wang

In this paper, we propose a novel 3D graph convolution based pipeline for category-level 6D pose and size estimation from monocular RGB-D images. The proposed method leverages an efficient 3D data augmentation and a novel vector-based…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Wei Chen , Xi Jia , Zhongqun Zhang , Hyung Jin Chang , Linlin Shen , Jinming Duan , Ales Leonardis

We present an unsupervised deep neural network approach to the fusion of RGB-D imagery with inertial measurements for absolute trajectory estimation. Our network, dubbed the Visual-Inertial-Odometry Learner (VIOLearner), learns to perform…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 E. Jared Shamwell , Sarah Leung , William D. Nothwang

Visual-Inertial Odometry (VIO) is a critical component for robust ego-motion estimation, enabling foundational capabilities such as autonomous navigation in robotics and real-time 6-DoF tracking for augmented reality. Existing methods face…

Robotics · Computer Science 2026-03-18 Feiyang Pan , Shenghe Zheng , Chunyan Yin , Guangbin Dou

Single-view RGB-D grasp detection remains a common choice in 6-DoF robotic grasping systems, which typically requires a depth sensor. While RGB-only 6-DoF grasp methods has been studied recently, their inaccurate geometric representation is…

Robotics · Computer Science 2026-03-19 Kangxu Wang , Siang Chen , Chenxing Jiang , Shaojie Shen , Yixiang Dai , Guijin Wang

We present a system for real-time RGBD-based estimation of 3D human pose. We use parametric 3D deformable human mesh model (SMPL-X) as a representation and focus on the real-time estimation of parameters for the body pose, hands pose and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-08 Renat Bashirov , Anastasia Ianina , Karim Iskakov , Yevgeniy Kononenko , Valeriya Strizhkova , Victor Lempitsky , Alexander Vakhitov

We propose a real-time RGB-based pipeline for object detection and 6D pose estimation. Our novel 3D orientation estimation is based on a variant of the Denoising Autoencoder that is trained on simulated views of a 3D model using Domain…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Martin Sundermeyer , Zoltan-Csaba Marton , Maximilian Durner , Manuel Brucker , Rudolph Triebel

This paper presents a new approach for 6DoF Direct LiDAR-Inertial Odometry (D-LIO) based on the simultaneous mapping of truncated distance fields on CPU. Such continuous representation (in the vicinity of the points) enables working with…

Robotics · Computer Science 2025-12-01 Lucia Coto-Elena , J. E. Maese , L. Merino , F. Caballero

We propose an approach to estimate 3D human pose in real world units from a single RGBD image and show that it exceeds performance of monocular 3D pose estimation approaches from color as well as pose estimation exclusively from depth. Our…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 Christian Zimmermann , Tim Welschehold , Christian Dornhege , Wolfram Burgard , Thomas Brox

Visual odometry (VO) aims to estimate camera poses from visual inputs -- a fundamental building block for many applications such as VR/AR and robotics. This work focuses on monocular RGB VO where the input is a monocular RGB video without…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Junda Cheng , Zhipeng Cai , Zhaoxing Zhang , Wei Yin , Matthias Muller , Michael Paulitsch , Xin Yang

Visual odometry is important for plenty of applications such as autonomous vehicles, and robot navigation. It is challenging to conduct visual odometry in textureless scenes or environments with sudden illumination changes where popular…

Robotics · Computer Science 2023-02-21 Hui Zhao , Jianga Shang , Kai Liu , Chao Chen , Fuqiang Gu

Object pose estimation, crucial in computer vision and robotics applications, faces challenges with the diversity of unseen categories. We propose a zero-shot method to achieve category-level 6-DOF object pose estimation, which exploits…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Wentian Qu , Chenyu Meng , Heng Li , Jian Cheng , Cuixia Ma , Hongan Wang , Xiao Zhou , Xiaoming Deng , Ping Tan

Simultaneous Localization and Mapping using RGB-D cameras has been a fertile research topic in the latest decade, due to the suitability of such sensors for indoor robotics. In this paper we propose a direct RGB-D SLAM algorithm with…

Robotics · Computer Science 2017-08-11 Alejo Concha , Javier Civera

A key technical challenge in performing 6D object pose estimation from RGB-D image is to fully leverage the two complementary data sources. Prior works either extract information from the RGB image and depth separately or use costly…

Computer Vision and Pattern Recognition · Computer Science 2019-01-16 Chen Wang , Danfei Xu , Yuke Zhu , Roberto Martín-Martín , Cewu Lu , Li Fei-Fei , Silvio Savarese

Estimating the 6-degrees-of-freedom (6DoF) pose of a spacecraft from a single image is critical for autonomous operations like in-orbit servicing and space debris removal. Existing state-of-the-art methods often rely on iterative…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Pierre Ancey , Andrew Price , Saqib Javed , Mathieu Salzmann

Event-based cameras are bio-inspired sensors with pixels that independently and asynchronously respond to brightness changes at microsecond resolution, offering the potential to handle state estimation tasks involving motion blur and high…

Robotics · Computer Science 2025-09-11 Sheng Zhong , Junkai Niu , Yi Zhou

Resource-constrained autonomous robots rely on sparse direct and semi-direct visual-(inertial)-odometry (VO) pipelines, as they provide a favorable tradeoff between accuracy, robustness, and computational cost. However, the performance of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Simone Nascivera , Leonard Bauersfeld , Jeff Delaune , Davide Scaramuzza

Tracking 6D poses of objects from videos provides rich information to a robot in performing different tasks such as manipulation and navigation. In this work, we formulate the 6D object pose tracking problem in the Rao-Blackwellized…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Xinke Deng , Arsalan Mousavian , Yu Xiang , Fei Xia , Timothy Bretl , Dieter Fox

Visual odometry (VO) is a prevalent way to deal with the relative localization problem, which is becoming increasingly mature and accurate, but it tends to be fragile under challenging environments. Comparing with classical geometry-based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Ke Wang , Sai Ma , Junlan Chen , Fan Ren