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In this work, we tackle the problem of category-level online pose tracking of objects from point cloud sequences. For the first time, we propose a unified framework that can handle 9DoF pose tracking for novel rigid object instances as well…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Yijia Weng , He Wang , Qiang Zhou , Yuzhe Qin , Yueqi Duan , Qingnan Fan , Baoquan Chen , Hao Su , Leonidas J. Guibas

Object pose refinement is essential for robust object pose estimation. Previous work has made significant progress towards instance-level object pose refinement. Yet, category-level pose refinement is a more challenging problem due to large…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Linfang Zheng , Tze Ho Elden Tse , Chen Wang , Yinghan Sun , Hua Chen , Ales Leonardis , Wei Zhang

Category-level articulated object pose estimation focuses on the pose estimation of unknown articulated objects within known categories. Despite its significance, this task remains challenging due to the varying shapes and poses of objects,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Yuchen Che , Ryo Furukawa , Asako Kanezaki

Category-level object pose estimation aims to find 6D object poses of previously unseen object instances from known categories without access to object CAD models. To reduce the huge amount of pose annotations needed for category-level…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Xiaolong Li , Yijia Weng , Li Yi , Leonidas Guibas , A. Lynn Abbott , Shuran Song , He Wang

Given a single scene image, this paper proposes a method of Category-level 6D Object Pose and Size Estimation (COPSE) from the point cloud of the target object, without external real pose-annotated training data. Specifically, beyond the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Haitao Lin , Zichang Liu , Chilam Cheang , Yanwei Fu , Guodong Guo , Xiangyang Xue

Category-level object pose estimation aims to predict the 6D pose and 3D size of objects within given categories. Existing approaches for this task rely solely on 6D poses as supervisory signals without explicitly capturing the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Zhujun Li , Shuo Zhang , Ioannis Stamos

Category-level object pose estimation aims to predict the pose and size of arbitrary objects in specific categories. Existing methods struggle with the inherent incompleteness of observed point clouds, which limits their ability to capture…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Huan Ren , Yihan Chen , Chuxin Wang , Nailong Liu , Wenfei Yang , Tianzhu Zhang

The goal of object pose estimation is to visually determine the pose of a specific object in the RGB-D input. Unfortunately, when faced with new categories, both instance-based and category-based methods are unable to deal with unseen…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Bowen Liu , Wei Liu , Siang Chen , Pengwei Xie , Guijin Wang

Object pose estimation plays a vital role in embodied AI and computer vision, enabling intelligent agents to comprehend and interact with their surroundings. Despite the practicality of category-level pose estimation, current approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Jiyao Zhang , Mingdong Wu , Hao Dong

Object point cloud classification has drawn great research attention since the release of benchmarking datasets, such as the ModelNet and the ShapeNet. These benchmarks assume point clouds covering complete surfaces of object instances, for…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Zelin Xu , Ke Chen , Kangjun Liu , Changxing Ding , Yaowei Wang , Kui Jia

We present a learning-based method for 6 DoF pose estimation of rigid objects in point cloud data. Many recent learning-based approaches use primarily RGB information for detecting objects, in some cases with an added refinement step using…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Frederik Hagelskjær , Anders Glent Buch

Most of existing category-level object pose estimation methods devote to learning the object category information from point cloud modality. However, the scale of 3D datasets is limited due to the high cost of 3D data collection and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Xiao Lin , Minghao Zhu , Ronghao Dang , Guangliang Zhou , Shaolong Shu , Feng Lin , Chengju Liu , Qijun Chen

Category-level articulated object pose estimation aims to estimate a hierarchy of articulation-aware object poses of an unseen articulated object from a known category. To reduce the heavy annotations needed for supervised learning methods,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Xueyi Liu , Ji Zhang , Ruizhen Hu , Haibin Huang , He Wang , Li Yi

Category-agnostic pose estimation (CAPE) aims to predict keypoints for arbitrary classes given a few support images annotated with keypoints. Existing methods only rely on the features extracted at support keypoints to predict or refine the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Junjie Chen , Jiebin Yan , Yuming Fang , Li Niu

Pose estimation is usually tackled as either a bin classification or a regression problem. In both cases, the idea is to directly predict the pose of an object. This is a non-trivial task due to appearance variations between similar poses…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Georgios Kouros , Shubham Shrivastava , Cédric Picron , Sushruth Nagesh , Punarjay Chakravarty , Tinne Tuytelaars

Large-scale colored point clouds have many advantages in navigation or scene display. Relying on cameras and LiDARs, which are now widely used in reconstruction tasks, it is possible to obtain such colored point clouds. However, the…

Robotics · Computer Science 2023-02-28 Jiadi Cui , Sören Schwertfeger

Category-level object pose estimation aims to recover the rotation, translation and size of unseen instances within predefined categories. In this task, deep neural network-based methods have demonstrated remarkable performance. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Xiao Lin , Yun Peng , Liuyi Wang , Xianyou Zhong , Minghao Zhu , Jingwei Yang , Yi Feng , Chengju Liu , Qijun Chen

Many object pose estimation algorithms rely on the analysis-by-synthesis framework which requires explicit representations of individual object instances. In this paper we combine a gradient-based fitting procedure with a parametric neural…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Xu Chen , Zijian Dong , Jie Song , Andreas Geiger , Otmar Hilliges

The ability to estimate joint parameters is essential for various applications in robotics and computer vision. In this paper, we propose CAPT: category-level articulation estimation from a point cloud using Transformer. CAPT uses an…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Lian Fu , Ryoichi Ishikawa , Yoshihiro Sato , Takeshi Oishi

6D object pose estimation is an important task that determines the 3D position and 3D rotation of an object in camera-centred coordinates. By utilizing such a task, one can propose promising solutions for various problems related to scene…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Caner Sahin , Guillermo Garcia-Hernando , Juil Sock , Tae-Kyun Kim
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