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Traditional monocular direct visual odometry (DVO) is one of the most famous methods to estimate the ego-motion of robots and map environments from images simultaneously. However, DVO heavily relies on high-quality images and accurate…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Chaoqiang Zhao , Yang Tang , Qiyu Sun , Athanasios V. Vasilakos

Learning-based visual odometry and SLAM methods demonstrate a steady improvement over past years. However, collecting ground truth poses to train these methods is difficult and expensive. This could be resolved by training in an…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Igor Slinko , Anna Vorontsova , Dmitry Zhukov , Olga Barinova , Anton Konushin

In this paper we propose USegScene, a framework for semantically guided unsupervised learning of depth, optical flow and ego-motion estimation for stereo camera images using convolutional neural networks. Our framework leverages semantic…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Johan Vertens , Wolfram Burgard

Recently, self-supervised learning of depth and ego-motion from thermal images shows strong robustness and reliability under challenging scenarios. However, the inherent thermal image properties such as weak contrast, blurry edges, and…

机器人学 · 计算机科学 2022-06-16 Ukcheol Shin , Kyunghyun Lee , Byeong-Uk Lee , In So Kweon

Ego-motion estimation is vital for drones when flying in GPS-denied environments. Vision-based methods struggle when flight speed increases and close-by objects lead to difficult visual conditions with considerable motion blur and large…

机器人学 · 计算机科学 2025-05-01 Stavrow A. Bahnam , Christophe De Wagter , Guido C. H. E. de Croon

Monocular Visual Odometry (MVO) provides a cost-effective, real-time positioning solution for autonomous vehicles. However, MVO systems face the common issue of lacking inherent scale information from monocular cameras. Traditional methods…

机器人学 · 计算机科学 2025-02-28 Yufei Wei , Sha Lu , Wangtao Lu , Rong Xiong , Yue Wang

This paper presents an unsupervised deep learning framework called UnDEMoN for estimating dense depth map and 6-DoF camera pose information directly from monocular images. The proposed network is trained using unlabeled monocular stereo…

计算机视觉与模式识别 · 计算机科学 2018-11-28 Madhu Babu , Anima Majumder , Kaushik Das , Swagat Kumar

Monocular visual localization plays a pivotal role in advanced driver assistance systems and autonomous driving by estimating a vehicle's ego-motion from a single pinhole camera. Nevertheless, conventional monocular visual odometry…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Hui Zhang , Zhiyang Wu , Qianqian Shangguan , Kang An

In this paper, we propose a novel approach to enhance the 3D body pose estimation of a person computed from videos captured from a single wearable camera. The key idea is to leverage high-level features linking first- and third-views in a…

计算机视觉与模式识别 · 计算机科学 2022-06-16 Ameya Dhamanaskar , Mariella Dimiccoli , Enric Corona , Albert Pumarola , Francesc Moreno-Noguer

Self-supervised learning has emerged as a powerful tool for depth and ego-motion estimation, leading to state-of-the-art results on benchmark datasets. However, one significant limitation shared by current methods is the assumption of a…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Igor Vasiljevic , Vitor Guizilini , Rares Ambrus , Sudeep Pillai , Wolfram Burgard , Greg Shakhnarovich , Adrien Gaidon

In this paper, we introduce Geometry-Inverse-Meet-Pixel-Insert, short for GEO, an exceptionally versatile image editing technique designed to cater to customized user requirements at both local and global scales. Our approach seamlessly…

计算机视觉与模式识别 · 计算机科学 2024-09-19 Yan Zheng , Lemeng Wu

Visual relocalization aims to estimate the pose of a camera from one or more images. In recent years deep learning based pose regression methods have attracted many attentions. They feature predicting the absolute poses without relying on…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Chengyu Qiao , Zhiyu Xiang , Xinglu Wang

We present a novel two-view geometry estimation framework which is based on a differentiable robust loss function fitting. We propose to treat the robust fundamental matrix estimation as an implicit layer, which allows us to avoid…

计算机视觉与模式识别 · 计算机科学 2024-10-24 Vladislav Pyatov , Iaroslav Koshelev , Stamatis Lefkimmiatis

In this paper we propose a framework for integrating map-based relocalization into online direct visual odometry. To achieve map-based relocalization for direct methods, we integrate image features into Direct Sparse Odometry (DSO) and rely…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Mariia Gladkova , Rui Wang , Niclas Zeller , Daniel Cremers

Training networks to perform metric relocalization traditionally requires accurate image correspondences. In practice, these are obtained by restricting domain coverage, employing additional sensors, or capturing large multi-view datasets.…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Mike Kasper , Fernando Nobre , Christoffer Heckman , Nima Keivan

We present EgoPoseFormer, a simple yet effective transformer-based model for stereo egocentric human pose estimation. The main challenge in egocentric pose estimation is overcoming joint invisibility, which is caused by self-occlusion or a…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Chenhongyi Yang , Anastasia Tkach , Shreyas Hampali , Linguang Zhang , Elliot J. Crowley , Cem Keskin

We present a novel self-supervised algorithm named MotionHint for monocular visual odometry (VO) that takes motion constraints into account. A key aspect of our approach is to use an appropriate motion model that can help existing…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Cong Wang , Yu-Ping Wang , Dinesh Manocha

Knowledge about the location of a vehicle is indispensable for autonomous driving. In order to apply global localisation methods, a pose prior must be known which can be obtained from visual odometry. The quality and robustness of that…

计算机视觉与模式识别 · 计算机科学 2017-08-02 Johannes Graeter , Tobias Strauss , Martin Lauer

Egocentric human pose estimation (HPE) using a head-mounted device is crucial for various VR and AR applications, but it faces significant challenges due to keypoint invisibility. Nevertheless, none of the existing egocentric HPE datasets…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Peng Dai , Yu Zhang , Yiqiang Feng , Zhen Fan , Yang Zhang

Dense visual odometry (VO), which provides pose estimation and dense 3D reconstruction, serves as the cornerstone for applications ranging from robotics to augmented reality. Recently, feed-forward models have demonstrated remarkable…

机器人学 · 计算机科学 2026-04-03 Junxiang Pan , Lipu Zhou , Baojie Chen