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Estimating 3D poses of multiple humans in real-time is a classic but still challenging task in computer vision. Its major difficulty lies in the ambiguity in cross-view association of 2D poses and the huge state space when there are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Long Chen , Haizhou Ai , Rui Chen , Zijie Zhuang , Shuang Liu

Applications from manipulation to autonomous vehicles rely on robust and general object tracking to safely perform tasks in dynamic environments. We propose the first certifiably optimal category-level approach for simultaneous shape…

Robotics · Computer Science 2024-12-09 Lorenzo Shaikewitz , Samuel Ubellacker , Luca Carlone

Cascaded regression method is a fast and accurate method on finding 2D pose of objects in RGB images. It is able to find the accurate pose of objects in an image by a great number of corrections on the good initial guess of the pose of…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Wenye He

We propose a novel method for joint estimation of shape and pose of rigid objects from their sequentially observed RGB-D images. In sharp contrast to past approaches that rely on complex non-linear optimization, we propose to formulate it…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yuta Yoshitake , Mai Nishimura , Shohei Nobuhara , Ko Nishino

This paper presents a novel approach to estimating the continuous six degree of freedom (6-DoF) pose (3D translation and rotation) of an object from a single RGB image. The approach combines semantic keypoints predicted by a convolutional…

Computer Vision and Pattern Recognition · Computer Science 2017-03-16 Georgios Pavlakos , Xiaowei Zhou , Aaron Chan , Konstantinos G. Derpanis , Kostas Daniilidis

We present a self-supervised learning framework to estimate the individual object motion and monocular depth from video. We model the object motion as a 6 degree-of-freedom rigid-body transformation. The instance segmentation mask is…

Computer Vision and Pattern Recognition · Computer Science 2020-05-14 Qi Dai , Vaishakh Patil , Simon Hecker , Dengxin Dai , Luc Van Gool , Konrad Schindler

In this paper, we investigate the problem of estimating the 4-DOF (three-dimensional position and orientation) robot-robot relative frame transformation using odometers and distance measurements between robots. Firstly, we apply a two-step…

Robotics · Computer Science 2024-05-22 Yuan Fu , Zheng Zhang , Guangyang Zeng , Chun Liu , Junfeng Wu , Xiaoqiang Ren

Accurate 6-DoF pose estimation of objects is critical for robots to perform precise manipulation tasks. However, for dynamic object pose estimation, conventional camera-based approaches face several major challenges, such as motion blur,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zhe Wang , Qijin Song , Zihao Li , Jingyu Xiao , Weibang Bai

We present a near real-time method for 6-DoF tracking of an unknown object from a monocular RGBD video sequence, while simultaneously performing neural 3D reconstruction of the object. Our method works for arbitrary rigid objects, even when…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Bowen Wen , Jonathan Tremblay , Valts Blukis , Stephen Tyree , Thomas Muller , Alex Evans , Dieter Fox , Jan Kautz , Stan Birchfield

In many applications of advanced robotic manipulation, six degrees of freedom (6DoF) object pose estimates are continuously required. In this work, we develop a multi-modality tracker that fuses information from visual appearance and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Manuel Stoiber , Mariam Elsayed , Anne E. Reichert , Florian Steidle , Dongheui Lee , Rudolph Triebel

Line features are valid complements for point features in man-made environments. 3D-2D constraints provided by line features have been widely used in Visual Odometry (VO) and Structure-from-Motion (SfM) systems. However, how to accurately…

Robotics · Computer Science 2025-01-14 Zewen Xu , Yijia He , Hao Wei , Bo Xu , BinJian Xie , Yihong Wu

Object pose estimation is a critical task in robotics for precise object manipulation. However, current techniques heavily rely on a reference 3D object, limiting their generalizability and making it expensive to expand to new object…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 E. Zhixuan Zeng , Yuhao Chen , Alexander Wong

Object pose recovery has gained increasing attention in the computer vision field as it has become an important problem in rapidly evolving technological areas related to autonomous driving, robotics, and augmented reality. Existing…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Caner Sahin , Guillermo Garcia-Hernando , Juil Sock , Tae-Kyun Kim

We present an unsupervised framework for simultaneous appearance-based object discovery, detection, tracking and reconstruction using RGBD cameras and a robot manipulator. The system performs dense 3D simultaneous localization and mapping…

Robotics · Computer Science 2014-11-05 Lu Ma , Mahsa Ghafarianzadeh , Dave Coleman , Nikolaus Correll , Gabe Sibley

Objects in videos are typically characterized by continuous smooth motion. We exploit continuous smooth motion in three ways. 1) Improved accuracy by using object motion as an additional source of supervision, which we obtain by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Xin Liu , Fatemeh Karimi Nejadasl , Jan C. van Gemert , Olaf Booij , Silvia L. Pintea

In this paper, we present a simple but powerful method to tackle the problem of estimating the 6D pose of objects from a single RGB image. Our system trains a novel convolutional neural network to regress the unit quaternion, which…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Jin Liu , Sheng He

Dynamic Mode Decomposition (DMD) is a numerical method that seeks to fit timeseries data to a linear dynamical system. In doing so, DMD decomposes dynamic data into spatially coherent modes that evolve in time according to exponential…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Marco Mignacca , Simone Brugiapaglia , Jason J. Bramburger

While much progress has been made on the task of 3D point cloud registration, there still exists no learning-based method able to estimate the 6D pose of an object observed by a 2.5D sensor in a scene. The challenges of this scenario…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Zheng Dang , Fei Wang , Mathieu Salzmann

We propose a stereo vision-based approach for tracking the camera ego-motion and 3D semantic objects in dynamic autonomous driving scenarios. Instead of directly regressing the 3D bounding box using end-to-end approaches, we propose to use…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Peiliang Li , Tong Qin , Shaojie Shen

Robotic three-dimensional (3D) ultrasound (US) imaging has been employed to overcome the drawbacks of traditional US examinations, such as high inter-operator variability and lack of repeatability. However, object movement remains a…

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