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We investigate the problem of estimating the 3D shape of an object, given a set of 2D landmarks in a single image. To alleviate the reconstruction ambiguity, a widely-used approach is to confine the unknown 3D shape within a shape space…

Computer Vision and Pattern Recognition · Computer Science 2015-06-03 Xiaowei Zhou , Spyridon Leonardos , Xiaoyan Hu , Kostas Daniilidis

This paper introduces a new architecture for human pose estimation using a multi- layer convolutional network architecture and a modified learning technique that learns low-level features and higher-level weak spatial models. Unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2014-04-24 Arjun Jain , Jonathan Tompson , Mykhaylo Andriluka , Graham W. Taylor , Christoph Bregler

This paper presents a set of novel scan-matching techniques for vehicle pose estimation using automotive radar measurements. The proposed approach modifies the Normal Distributions Transform (NDT) -- a state-of-the-art scan-matching SLAM…

Signal Processing · Electrical Eng. & Systems 2021-07-21 Martijn Heller , Nikita Petrov , Alexander Yarovoy

Odometry is a critical task for autonomous systems for self-localization and navigation. We propose a novel LiDAR-Visual odometry framework that integrates LiDAR point clouds and images for accurate and robust pose estimation. Our method…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 JunYing Huang , Ao Xu , DongSun Yong , KeRen Li , YuanFeng Wang , Qi Qin

Human pose estimation is a key step to action recognition. We propose a method of estimating 3D human poses from a single image, which works in conjunction with an existing 2D pose/joint detector. 3D pose estimation is challenging because…

Computer Vision and Pattern Recognition · Computer Science 2014-06-10 Chunyu Wang , Yizhou Wang , Zhouchen Lin , Alan L. Yuille , Wen Gao

Developing an effective evaluation metric is crucial for accurately and swiftly measuring LiDAR perception performance. One major issue is the lack of metrics that can simultaneously generate fast and accurate evaluations based on either…

Robotics · Computer Science 2024-07-26 Yongjiang He , Peng Cao , Zhongling Su , Xiaobo Liu

The task of 6DoF object pose estimation is one of the fundamental problems of 3D vision with many practical applications such as industrial automation. Traditional deep learning approaches for this task often require extensive training data…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Matej Mok , Lukáš Gajdošech , Michal Mesároš , Martin Madaras , Viktor Kocur

Automated 3D pose estimation of satellites and other known space objects is a critical component of space situational awareness. Ground-based imagery offers a convenient data source for satellite characterization; however, analysis…

Computer Vision and Pattern Recognition · Computer Science 2019-06-27 Maxim Bazik , Brien Flewelling , Manoranjan Majji , Joseph Mundy

Using different sensors in an autonomous vehicle (AV) can provide multiple constraints to optimize AV location estimation. In this paper, we present a low-cost GPS-assisted LiDAR state estimation system for AVs. Firstly, we utilize LiDAR to…

Robotics · Computer Science 2019-10-29 Linwei Zheng , Yilong Zhu , Bohuan Xue , Ming Liu , Rui Fan

Approximate convex decomposition aims to decompose a 3D shape into a set of almost convex components, whose convex hulls can then be used to represent the input shape. It thus enables efficient geometry processing algorithms specifically…

Graphics · Computer Science 2022-05-09 Xinyue Wei , Minghua Liu , Zhan Ling , Hao Su

Creating mobile robots which are able to find and manipulate objects in large environments is an active topic of research. These robots not only need to be capable of searching for specific objects but also to estimate their poses often…

Robotics · Computer Science 2022-03-09 Jascha Hellwig , Mark Baierl , Joao Carvalho , Julen Urain , Jan Peters

We propose a novel approach to jointly perform 3D shape retrieval and pose estimation from monocular images.In order to make the method robust to real-world image variations, e.g. complex textures and backgrounds, we learn an embedding…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Kyaw Zaw Lin , Weipeng Xu , Qianru Sun , Christian Theobalt , Tat-Seng Chua

Accurate perception of dynamic obstacles is essential for autonomous robot navigation in indoor environments. Although sophisticated 3D object detection and tracking methods have been investigated and developed thoroughly in the fields of…

Robotics · Computer Science 2025-03-03 Zhefan Xu , Haoyu Shen , Xinming Han , Hanyu Jin , Kanlong Ye , Kenji Shimada

This paper presents a method for pose estimation of off-road vehicles moving over uneven terrain. It determines the contact points between the wheels and the terrain, assuming rigid contacts between an arbitrary number of wheels and ground.…

Robotics · Computer Science 2019-03-07 Yingchong Ma , Zvi Shiller

The paper presents a simple and effective learning-based method for computing a discriminative 3D point cloud descriptor for place recognition purposes. Recent state-of-the-art methods have relatively complex architectures such as…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Jacek Komorowski

We present a novel technique to estimate the 6D pose of objects from single images where the 3D geometry of the object is only given approximately and not as a precise 3D model. To achieve this, we employ a dense 2D-to-3D correspondence…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Maximilian Ulmer , Maximilian Durner , Martin Sundermeyer , Manuel Stoiber , Rudolph Triebel

Autonomous driving is an important trend of the automotive industry. The continuous research towards this goal requires a precise reference vehicle state estimation under all circumstances in order to develop and test autonomous vehicle…

Signal Processing · Electrical Eng. & Systems 2020-05-15 Eduardo Sánchez Morales , Michael Botsch , Bertold Huber , Andrés García Higuera

In this paper, we propose a novel form of the loss function to increase the performance of LiDAR-based 3d object detection and obtain more explainable and convincing uncertainty for the prediction. The loss function was designed using…

Computer Vision and Pattern Recognition · Computer Science 2020-08-19 Hujie Pan , Zining Wang , Wei Zhan , Masayoshi Tomizuka

In this paper, we present a comprehensive review of 3D human pose estimation and human mesh recovery from in-the-wild LiDAR point clouds. We compare existing approaches across several key dimensions, and propose a structured taxonomy to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Salma Galaaoui , Eduardo Valle , David Picard , Nermin Samet

In this paper, we focus on the problem of category-level object pose estimation, which is challenging due to the large intra-category shape variation. 3D graph convolution (3D-GC) based methods have been widely used to extract local…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Linfang Zheng , Chen Wang , Yinghan Sun , Esha Dasgupta , Hua Chen , Ales Leonardis , Wei Zhang , Hyung Jin Chang