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Related papers: Category-Level Articulated Object Pose Estimation

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In order to enable robust operation in unstructured environments, robots should be able to generalize manipulation actions to novel object instances. For example, to pour and serve a drink, a robot should be able to recognize novel…

Category-level object pose estimation, aiming to predict the 6D pose and 3D size of objects from known categories, typically struggles with large intra-class shape variation. Existing works utilizing mean shapes often fall short of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Yamei Chen , Yan Di , Guangyao Zhai , Fabian Manhardt , Chenyangguang Zhang , Ruida Zhang , Federico Tombari , Nassir Navab , Benjamin Busam

We address the task of simultaneous part-level reconstruction and motion parameter estimation for articulated objects. Given two sets of multi-view images of an object in two static articulation states, we decouple the movable part from the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Jiayi Liu , Ali Mahdavi-Amiri , Manolis Savva

We propose an approach to instance-level image segmentation that is built on top of category-level segmentation. Specifically, for each pixel in a semantic category mask, its corresponding instance bounding box is predicted using a deep…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Zifeng Wu , Chunhua Shen , Anton van den Hengel

Category-level 6D object pose and size estimation is to predict full pose configurations of rotation, translation, and size for object instances observed in single, arbitrary views of cluttered scenes. In this paper, we propose a new method…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Jiehong Lin , Zewei Wei , Zhihao Li , Songcen Xu , Kui Jia , Yuanqing Li

Learning articulated object pose is inherently difficult because the pose is high dimensional but has many structural constraints. Most existing work do not model such constraints and does not guarantee the geometric validity of their pose…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Xingyi Zhou , Xiao Sun , Wei Zhang , Shuang Liang , Yichen Wei

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

This paper is motivated from a fundamental curiosity on what defines a category of object shapes. For example, we may have the common knowledge that a plane has wings, and a chair has legs. Given the large shape variations among different…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Chaozheng Wu , Lin Sun , Xun Xu , Kui Jia

Promising results have been achieved recently in category-level manipulation that generalizes across object instances. Nevertheless, it often requires expensive real-world data collection and manual specification of semantic keypoints for…

Robotics · Computer Science 2022-05-09 Bowen Wen , Wenzhao Lian , Kostas Bekris , Stefan Schaal

Articulated objects like cabinets and doors are widespread in daily life. However, directly manipulating 3D articulated objects is challenging because they have diverse geometrical shapes, semantic categories, and kinetic constraints. Prior…

Robotics · Computer Science 2024-03-04 Qiaojun Yu , Junbo Wang , Wenhai Liu , Ce Hao , Liu Liu , Lin Shao , Weiming Wang , Cewu Lu

We present an approach for recognizing all objects in a scene and estimating their full pose from an accurate 3D instance-aware semantic reconstruction using an RGB-D camera. Our framework couples convolutional neural networks (CNNs) and a…

Robotics · Computer Science 2019-10-01 Dinh-Cuong Hoang , Todor Stoyanov , Achim J. Lilienthal

We propose a novel Line based parameterization for category specific CAD models. The proposed parameterization associates 3D category-specific CAD model and object under consideration using a dictionary based RANSAC method that uses object…

Parts represent a basic unit of geometric and semantic similarity across different objects. We argue that part knowledge should be composable beyond the observed object classes. Towards this, we present 3D Compositional Zero-shot Learning…

Computer Vision and Pattern Recognition · Computer Science 2022-04-18 Muhammad Ferjad Naeem , Evin Pınar Örnek , Yongqin Xian , Luc Van Gool , Federico Tombari

As a specific semantic segmentation task, aerial imagery segmentation has been widely employed in high spatial resolution (HSR) remote sensing images understanding. Besides common issues (e.g. large scale variation) faced by general…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Lin Huang , Qiyuan Dong , Lijun Wu , Jia Zhang , Jiang Bian , Tie-Yan Liu

Robots deployed in human-centric environments may need to manipulate a diverse range of articulated objects, such as doors, dishwashers, and cabinets. Articulated objects often come with unexpected articulation mechanisms that are…

Robotics · Computer Science 2023-01-19 Nick Heppert , Toki Migimatsu , Brent Yi , Claire Chen , Jeannette Bohg

We present a method for estimating articulated human pose from a single static image based on a graphical model with novel pairwise relations that make adaptive use of local image measurements. More precisely, we specify a graphical model…

Computer Vision and Pattern Recognition · Computer Science 2014-11-05 Xianjie Chen , Alan Yuille

3D anomaly detection targets the detection and localization of defects in 3D point clouds trained solely on normal data. While a unified model improves scalability by learning across multiple categories, it often suffers from Inter-Category…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 SuYeon Kim , Wongyu Lee , MyeongAh Cho

Reducing the complexity of the pipeline of instance segmentation is crucial for real-world applications. This work addresses this issue by introducing an anchor-box free and single-shot instance segmentation framework, termed PolarMask,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Enze Xie , Wenhai Wang , Mingyu Ding , Ruimao Zhang , Ping Luo

Without using extra 3-D data like points cloud or depth images for providing 3-D information, we retrieve the 3-D object information from single monocular images. The high-quality predicted depth images are recovered from single monocular…

Computer Vision and Pattern Recognition · Computer Science 2020-02-14 Zifan Yu , Suya You

We propose a method for inferring human attributes (such as gender, hair style, clothes style, expression, action) from images of people under large variation of viewpoint, pose, appearance, articulation and occlusion. Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2014-05-07 Ning Zhang , Manohar Paluri , Marc'Aurelio Ranzato , Trevor Darrell , Lubomir Bourdev