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Estimating the 3D position of human joints has become a widely researched topic in the last years. Special emphasis has gone into defining novel methods that extrapolate 2-dimensional data (keypoints) into 3D, namely predicting the…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Adrian Llopart

We propose a novel algorithm for the fitting of 3D human shape to images. Combining the accuracy and refinement capabilities of iterative gradient-based optimization techniques with the robustness of deep neural networks, we propose a…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Jie Song , Xu Chen , Otmar Hilliges

This work proposes a process for efficiently training a point-wise object detector that enables localizing objects and computing their 6D poses in cluttered and occluded scenes. Accurate pose estimation is typically a requirement for robust…

计算机视觉与模式识别 · 计算机科学 2019-02-22 Jean-Philippe Mercier , Chaitanya Mitash , Philippe Giguère , Abdeslam Boularias

Recently, regression-based methods have dominated the field of 3D human pose and shape estimation. Despite their promising results, a common issue is the misalignment between predictions and image observations, often caused by minor joint…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Tom Wehrbein , Bodo Rosenhahn , Iain Matthews , Carsten Stoll

Camera calibration is a necessity in various tasks including 3D reconstruction, hand-eye coordination for a robotic interaction, autonomous driving, etc. In this work we propose a novel method to predict extrinsic (baseline, pitch, and…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Talha Hanif Butt , Murtaza Taj

We propose a keypoint-based object-level SLAM framework that can provide globally consistent 6DoF pose estimates for symmetric and asymmetric objects alike. To the best of our knowledge, our system is among the first to utilize the camera…

机器人学 · 计算机科学 2022-07-14 Nathaniel Merrill , Yuliang Guo , Xingxing Zuo , Xinyu Huang , Stefan Leutenegger , Xi Peng , Liu Ren , Guoquan Huang

We propose to leverage recent advances in reliable 2D pose estimation with Convolutional Neural Networks (CNN) to estimate the 3D pose of people from depth images in multi-person Human-Robot Interaction (HRI) scenarios. Our method is based…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

This paper introduces a novel approach for the grasping and precise placement of various known rigid objects using multiple grippers within highly cluttered scenes. Using a single depth image of the scene, our method estimates multiple 6D…

With the widespread use of NeRF-based implicit 3D representation, the need for camera localization in the same representation becomes manifestly apparent. Doing so not only simplifies the localization process -- by avoiding an…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Rashik Shrestha , Bishad Koju , Abhigyan Bhusal , Danda Pani Paudel , François Rameau

Recovering full 3D shapes from partial observations is a challenging task that has been extensively addressed in the computer vision community. Many deep learning methods tackle this problem by training 3D shape generation networks to learn…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Bipasha Sen , Aditya Agarwal , Gaurav Singh , Brojeshwar B. , Srinath Sridhar , Madhava Krishna

Although recent efforts have extended Neural Radiance Fields (NeRF) into LiDAR point cloud synthesis, the majority of existing works exhibit a strong dependence on precomputed poses. However, point cloud registration methods struggle to…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Weiyi Xue , Zehan Zheng , Fan Lu , Haiyun Wei , Guang Chen , Changjun Jiang

Cross-view geo-localization is the problem of estimating the position and orientation (latitude, longitude and azimuth angle) of a camera at ground level given a large-scale database of geo-tagged aerial (e.g., satellite) images. Existing…

计算机视觉与模式识别 · 计算机科学 2020-05-11 Yujiao Shi , Xin Yu , Dylan Campbell , Hongdong Li

In the field of collaborative robotics, the ability to communicate spatial information like planned trajectories and shared environment information is crucial. When no global position information is available (e.g., indoor or GPS-denied…

机器人学 · 计算机科学 2025-05-21 Mason B. Peterson , Parker C. Lusk , Antonio Avila , Jonathan P. How

We address the visual relocalization problem of predicting the location and camera orientation or pose (6DOF) of the given input scene. We propose a method based on how humans determine their location using the visible landmarks. We define…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Soham Saha , Girish Varma , C. V. Jawahar

In this work, we address the problem of multi-person 3D pose estimation from a single image. A typical regression approach in the top-down setting of this problem would first detect all humans and then reconstruct each one of them…

计算机视觉与模式识别 · 计算机科学 2020-06-16 Wen Jiang , Nikos Kolotouros , Georgios Pavlakos , Xiaowei Zhou , Kostas Daniilidis

Mobile robots require comprehensive scene understanding to operate effectively in diverse environments, enriched with contextual information such as layouts, objects, and their relationships. Although advances like neural radiation fields…

机器人学 · 计算机科学 2024-12-30 Jiawei Hou , Wenhao Guan , Longfei Liang , Jianfeng Feng , Xiangyang Xue , Taiping Zeng

The practicality of 3D object pose estimation remains limited for many applications due to the need for prior knowledge of a 3D model and a training period for new objects. To address this limitation, we propose an approach that takes a…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Van Nguyen Nguyen , Thibault Groueix , Yinlin Hu , Mathieu Salzmann , Vincent Lepetit

For a number of tasks, such as 3D reconstruction, robotic interface, autonomous driving, etc., camera calibration is essential. In this study, we present a unique method for predicting intrinsic (principal point offset and focal length) and…

计算机视觉与模式识别 · 计算机科学 2022-12-26 Talha Hanif Butt , Murtaza Taj

Neural surface reconstruction is sensitive to the camera pose noise, even if state-of-the-art pose estimators like COLMAP or ARKit are used. More importantly, existing Pose-NeRF joint optimisation methods have struggled to improve pose…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Jia-Wang Bian , Wenjing Bian , Victor Adrian Prisacariu , Philip Torr

We present a novel LLM-based pipeline for creating contextual descriptions of human body poses in images using only auxiliary attributes. This approach facilitates the creation of the MPII Pose Descriptions dataset, which includes natural…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Muhammad Saif Ullah Khan , Muhammad Ferjad Naeem , Federico Tombari , Luc Van Gool , Didier Stricker , Muhammad Zeshan Afzal