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We propose an unsupervised method for 3D geometry-aware representation learning of articulated objects, in which no image-pose pairs or foreground masks are used for training. Though photorealistic images of articulated objects can be…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Atsuhiro Noguchi , Xiao Sun , Stephen Lin , Tatsuya Harada

Multi-camera 3D object detection for autonomous driving is a challenging problem that has garnered notable attention from both academia and industry. An obstacle encountered in vision-based techniques involves the precise extraction of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Linyan Huang , Huijie Wang , Jia Zeng , Shengchuan Zhang , Liujuan Cao , Junchi Yan , Hongyang Li

This paper focuses on the challenging problem of 3D pose estimation of a diverse spectrum of articulated objects from single depth images. A novel structured prediction approach is considered, where 3D poses are represented as skeletal…

Computer Vision and Pattern Recognition · Computer Science 2016-12-05 Yu Zhang , Chi Xu , Li Cheng

Protein representation learning aims to learn informative protein embeddings capable of addressing crucial biological questions, such as protein function prediction. Although sequence-based transformer models have shown promising results by…

Quantitative Methods · Quantitative Biology 2024-10-22 Michail Chatzianastasis , Yang Zhang , George Dasoulas , Michalis Vazirgiannis

We explore a novel method to perceive and manipulate 3D articulated objects that generalizes to enable a robot to articulate unseen classes of objects. We propose a vision-based system that learns to predict the potential motions of the…

Robotics · Computer Science 2024-05-03 Ben Eisner , Harry Zhang , David Held

Tooth segmentation in Cone-Beam Computed Tomography (CBCT) remains challenging, especially for fine structures like root apices, which is critical for assessing root resorption in orthodontics. We introduce GEPAR3D, a novel approach that…

Shape assembly, which aims to reassemble separate parts into a complete object, has gained significant interest in recent years. Existing methods primarily rely on networks to predict the poses of individual parts, but often fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Jiahan Li , Chaoran Cheng , Jianzhu Ma , Ge Liu

Deep learning has enabled remarkable improvements in grasp synthesis for previously unseen objects from partial object views. However, existing approaches lack the ability to explicitly reason about the full 3D geometry of the object when…

Robotics · Computer Science 2020-03-19 Mark Van der Merwe , Qingkai Lu , Balakumar Sundaralingam , Martin Matak , Tucker Hermans

We propose a method for predicting the 3D shape of a deformable surface from a single view. By contrast with previous approaches, we do not need a pre-registered template of the surface, and our method is robust to the lack of texture and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-28 Albert Pumarola , Antonio Agudo , Lorenzo Porzi , Alberto Sanfeliu , Vincent Lepetit , Francesc Moreno-Noguer

Bimanual manipulation requires policies that can reason about 3D geometry, anticipate how it evolves under action, and generate smooth, coordinated motions. However, existing methods typically rely on 2D features with limited spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Chongyang Xu , Haipeng Li , Shen Cheng , Jingyu Hu , Haoqiang Fan , Ziliang Feng , Shuaicheng Liu

This paper introduces VisionPAD, a novel self-supervised pre-training paradigm designed for vision-centric algorithms in autonomous driving. In contrast to previous approaches that employ neural rendering with explicit depth supervision,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Haiming Zhang , Wending Zhou , Yiyao Zhu , Xu Yan , Jiantao Gao , Dongfeng Bai , Yingjie Cai , Bingbing Liu , Shuguang Cui , Zhen Li

We propose an unsupervised vision-based system to estimate the joint configurations of the robot arm from a sequence of RGB or RGB-D images without knowing the model a priori, and then adapt it to the task of category-independent…

Computer Vision and Pattern Recognition · Computer Science 2020-12-02 Qihao Liu , Weichao Qiu , Weiyao Wang , Gregory D. Hager , Alan L. Yuille

Learning geometry, motion, and appearance priors of object classes is important for the solution of a large variety of computer vision problems. While the majority of approaches has focused on static objects, dynamic objects, especially…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Fangyin Wei , Rohan Chabra , Lingni Ma , Christoph Lassner , Michael Zollhöfer , Szymon Rusinkiewicz , Chris Sweeney , Richard Newcombe , Mira Slavcheva

Most successes in autonomous robotic assembly have been restricted to single target or category. We propose to investigate general part assembly, the task of creating novel target assemblies with unseen part shapes. As a fundamental step to…

Robotics · Computer Science 2023-09-06 Yulong Li , Andy Zeng , Shuran Song

Reconstructing articulated 3D objects from a single image requires jointly inferring object geometry, part structure, and motion parameters from limited visual evidence. A key difficulty lies in the entanglement between motion cues and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Haitian Li , Haozhe Xie , Junxiang Xu , Beichen Wen , Fangzhou Hong , Ziwei Liu

We present a learning method for predicting animation skeletons for input 3D models of articulated characters. In contrast to previous approaches that fit pre-defined skeleton templates or predict fixed sets of joints, our method produces…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Zhan Xu , Yang Zhou , Evangelos Kalogerakis , Karan Singh

Molecular property prediction is an important problem in drug discovery and materials science. As geometric structures have been demonstrated necessary for molecular property prediction, 3D information has been combined with various graph…

Quantitative Methods · Quantitative Biology 2023-07-04 Xu Wang , Huan Zhao , Weiwei Tu , Quanming Yao

We introduce Particulate, a feed-forward model that, given a 3D mesh of an object, infers its articulations, including its 3D parts, their kinematic structure, and the motion constraints. The model is based on a transformer network, the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Ruining Li , Yuxin Yao , Chuanxia Zheng , Christian Rupprecht , Joan Lasenby , Shangzhe Wu , Andrea Vedaldi

Learning effective protein representations is critical in a variety of tasks in biology such as predicting protein function or structure. Existing approaches usually pretrain protein language models on a large number of unlabeled amino acid…

Machine Learning · Computer Science 2023-01-31 Zuobai Zhang , Minghao Xu , Arian Jamasb , Vijil Chenthamarakshan , Aurelie Lozano , Payel Das , Jian Tang

Self-supervised learning has made substantial strides in image processing, while visual pre-training for autonomous driving is still in its infancy. Existing methods often focus on learning geometric scene information while neglecting…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Shaoqing Xu , Fang Li , Shengyin Jiang , Ziying Song , Li Liu , Zhi-xin Yang
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