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Camera localization is a fundamental and key component of autonomous driving vehicles and mobile robots to localize themselves globally for further environment perception, path planning and motion control. Recently end-to-end approaches…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Mi Tian , Qiong Nie , Hao Shen

Despite learning based methods showing promising results in single view depth estimation and visual odometry, most existing approaches treat the tasks in a supervised manner. Recent approaches to single view depth estimation explore the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-06 Huangying Zhan , Ravi Garg , Chamara Saroj Weerasekera , Kejie Li , Harsh Agarwal , Ian Reid

Learning deformable 3D objects from 2D images is often an ill-posed problem. Existing methods rely on explicit supervision to establish multi-view correspondences, such as template shape models and keypoint annotations, which restricts…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Shangzhe Wu , Tomas Jakab , Christian Rupprecht , Andrea Vedaldi

Understanding the shape of a scene from a single color image is a formidable computer vision task. However, most methods aim to predict the geometry of surfaces that are visible to the camera, which is of limited use when planning paths for…

Computer Vision and Pattern Recognition · Computer Science 2020-04-15 Jamie Watson , Michael Firman , Aron Monszpart , Gabriel J. Brostow

3D shape reconstruction from a single image is a highly ill-posed problem. Modern deep learning based systems try to solve this problem by learning an end-to-end mapping from image to shape via a deep network. In this paper, we aim to solve…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Kejie Li , Ravi Garg , Ming Cai , Ian Reid

For ego-motion estimation, the feature representation of the scenes is crucial. Previous methods indicate that both the low-level and semantic feature-based methods can achieve promising results. Therefore, the incorporation of hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Xiaochuan Yin , Chengju Liu

Monocular 3D object detection is an essential task in autonomous driving. However, most current methods consider each 3D object in the scene as an independent training sample, while ignoring their inherent geometric relations, thus…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Jiaqi Gu , Bojian Wu , Lubin Fan , Jianqiang Huang , Shen Cao , Zhiyu Xiang , Xian-Sheng Hua

This paper presents an approach that reconstructs a hand-held object from a monocular video. In contrast to many recent methods that directly predict object geometry by a trained network, the proposed approach does not require any learned…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Di Huang , Xiaopeng Ji , Xingyi He , Jiaming Sun , Tong He , Qing Shuai , Wanli Ouyang , Xiaowei Zhou

Popular research areas like autonomous driving and augmented reality have renewed the interest in image-based camera localization. In this work, we address the task of predicting the 6D camera pose from a single RGB image in a given 3D…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Eric Brachmann , Carsten Rother

Holistic 3D scene understanding entails estimation of both layout configuration and object geometry in a 3D environment. Recent works have shown advances in 3D scene estimation from various input modalities (e.g., images, 3D scans), by…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Yinyu Nie , Angela Dai , Xiaoguang Han , Matthias Nießner

Despite significant progress in image-based 3D scene flow estimation, the performance of such approaches has not yet reached the fidelity required by many applications. Simultaneously, these applications are often not restricted to…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Aseem Behl , Despoina Paschalidou , Simon Donné , Andreas Geiger

As capturing devices become common, 3D scans of interior spaces are acquired on a daily basis. Through scene comparison over time, information about objects in the scene and their changes is inferred. This information is important for…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Aikaterini Adam , Konstantinos Karantzalos , Lazaros Grammatikopoulos , Torsten Sattler

We present a novel unsupervised learning framework for single view depth estimation using monocular videos. It is well known in 3D vision that enlarging the baseline can increase the depth estimation accuracy, and jointly optimizing a set…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Lipu Zhou , Jiamin Ye , Montiel Abello , Shengze Wang , Michael Kaess

With the success of deep learning based approaches in tackling challenging problems in computer vision, a wide range of deep architectures have recently been proposed for the task of visual odometry (VO) estimation. Most of these proposed…

Robotics · Computer Science 2018-04-16 Ganesh Iyer , J. Krishna Murthy , Gunshi Gupta , K. Madhava Krishna , Liam Paull

Monocular multi-object detection and localization in 3D space has been proven to be a challenging task. The MoNet3D algorithm is a novel and effective framework that can predict the 3D position of each object in a monocular image and draw a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Xichuan Zhou , Yicong Peng , Chunqiao Long , Fengbo Ren , Cong Shi

Existing deep learning based unsupervised video object segmentation methods still rely on ground-truth segmentation masks to train. Unsupervised in this context only means that no annotated frames are used during inference. As obtaining…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Sahir Shrestha , Mohammad Ali Armin , Hongdong Li , Nick Barnes

This paper describes recent developments in object specific pose and shape prediction from single images. The main contribution is a new approach to camera pose prediction by self-supervised learning of keypoints corresponding to locations…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Zahra Gharaee , Felix Järemo Lawin , Per-Erik Forssén

6D pose estimation of rigid objects from RGB-D images is crucial for object grasping and manipulation in robotics. Although RGB channels and the depth (D) channel are often complementary, providing respectively the appearance and geometry…

Computer Vision and Pattern Recognition · Computer Science 2022-08-18 Haoran Pan , Jun Zhou , Yuanpeng Liu , Xuequan Lu , Weiming Wang , Xuefeng Yan , Mingqiang Wei

Both optical flow and stereo disparities are image matches and can therefore benefit from joint training. Depth and 3D motion provide geometric rather than photometric information and can further improve optical flow. Accordingly, we design…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Shuai Yuan , Carlo Tomasi

This paper introduces a fully deep learning approach to monocular SLAM, which can perform simultaneous localization using a neural network for learning visual odometry (L-VO) and dense 3D mapping. Dense 2D flow and a depth image are…

Robotics · Computer Science 2018-07-26 Cheng Zhao , Li Sun , Pulak Purkait , Tom Duckett , Rustam Stolkin