Robust and accurate superquadric recovery: A probabilistic approach

W Liu, Y Wu, S Ruan… - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Interpreting objects with basic geometric primitives has long been studied in computer
vision. Among geometric primitives, superquadrics are well known for their ability to …

RGB-D object SLAM using quadrics for indoor environments

Z Liao, W Wang, X Qi, X Zhang - Sensors, 2020 - mdpi.com
Indoor service robots need to build an object-centric semantic map to understand and
execute human instructions. Conventional visual simultaneous localization and mapping …

Marching-primitives: Shape abstraction from signed distance function

W Liu, Y Wu, S Ruan… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
Representing complex objects with basic geometric primitives has long been a topic in
computer vision. Primitive-based representations have the merits of compactness and …

Primitive-based shape abstraction via nonparametric bayesian inference

Y Wu, W Liu, S Ruan, GS Chirikjian - European Conference on Computer …, 2022 - Springer
Abstract 3D shape abstraction has drawn great interest over the years. Apart from low-level
representations such as meshes and voxels, researchers also seek to semantically abstract …

Grasp pose learning from human demonstration with task constraints

Y Liu, K Qian, X Xu, B Zhou, F Fang - Journal of Intelligent & Robotic …, 2022 - Springer
To learn grasp constraints from human demonstrations, we propose a method that combines
data-driven grasp constraint learning and one-shot human demonstration of tasks. By …

DSQNet: a deformable model-based supervised learning algorithm for grasping unknown occluded objects

S Kim, T Ahn, Y Lee, J Kim, MY Wang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Grasping previously unseen objects for the first time, in which only partially occluded views
of the object are available, remains a difficult challenge. Despite their recent successes …

Reconstructing Superquadrics from Intensity and Color Images

D Tomašević, P Peer, F Solina, A Jaklič, V Štruc - Sensors, 2022 - mdpi.com
The task of reconstructing 3D scenes based on visual data represents a longstanding
problem in computer vision. Common reconstruction approaches rely on the use of multiple …

Pixel-level domain adaptation for real-to-sim object pose estimation

K Qian, Y Duan, C Luo, Y Zhao… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Transferring robotic grasping skills learned from a simulator to the real world is beneficial in
reducing the cost of labeling. However, the models trained on synthetic data are brittle when …

GLOVER: Generalizable Open-Vocabulary Affordance Reasoning for Task-Oriented Grasping

T Ma, Z Wang, J Zhou, M Wang, J Liang - arXiv preprint arXiv:2411.12286, 2024 - arxiv.org
Inferring affordable (ie, graspable) parts of arbitrary objects based on human specifications
is essential for robots advancing toward open-vocabulary manipulation. Current grasp …

Dimensioning Cuboid and Cylindrical Objects Using Only Noisy and Partially Observed Time-of-Flight Data

B Rodriguez, P Rangarajan, X Zhang, D Rajan - Sensors, 2023 - mdpi.com
One of the challenges of using Time-of-Flight (ToF) sensors for dimensioning objects is that
the depth information suffers from issues such as low resolution, self-occlusions, noise, and …