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Shape completion, a crucial task in 3D computer vision, involves predicting and filling the missing regions of scanned or partially observed objects. Current methods expect known pose or canonical coordinates and do not perform well under…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Burak Bekci , Nassir Navab , Federico Tombari , Mahdi Saleh

Task-oriented grasping of unfamiliar objects is a necessary skill for robots in dynamic in-home environments. Inspired by the human capability to grasp such objects through intuition about their shape and structure, we present a novel…

Robotics · Computer Science 2024-03-28 Samuel Li , Sarthak Bhagat , Joseph Campbell , Yaqi Xie , Woojun Kim , Katia Sycara , Simon Stepputtis

In view of the difficulty in reconstructing object details in point cloud completion, we propose a shape prior learning method for object completion. The shape priors include geometric information in both complete and the partial point…

Computer Vision and Pattern Recognition · Computer Science 2021-07-16 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

In this paper, we focus on the task of 3D shape completion from partial point clouds using deep implicit functions. Existing methods seek to use voxelized basis functions or the ones from a certain family of functions (e.g., Gaussians),…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Hui Ying , Tianjia Shao , He Wang , Yin Yang , Kun Zhou

Shape completion, i.e., predicting the complete geometry of an object from a partial observation, is highly relevant for several downstream tasks, most notably robotic manipulation. When basing planning or prediction of real grasps on…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Matthias Humt , Dominik Winkelbauer , Ulrich Hillenbrand

Learning neural implicit fields of 3D shapes is a rapidly emerging field that enables shape representation at arbitrary resolutions. Due to the flexibility, neural implicit fields have succeeded in many research areas, including shape…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Yifei Shi , Boyan Wan , Xin Xu , Kai Xu

Unsupervised 3D representation learning reduces the burden of labeling multimodal 3D data for fusion perception tasks. Among different pre-training paradigms, differentiable-rendering-based methods have shown most promise. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Runjian Chen , Hang Zhang , Avinash Ravichandran , Hyoungseob Park , Wenqi Shao , Alex Wong , Ping Luo

Real-time robotic grasping, supporting a subsequent precise object-in-hand operation task, is a priority target towards highly advanced autonomous systems. However, such an algorithm which can perform sufficiently-accurate grasping with…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Tuan-Tang Le , Trung-Son Le , Yu-Ru Chen , Joel Vidal , Chyi-Yeu Lin

Progress in 3D object understanding has relied on manually canonicalized shape datasets that contain instances with consistent position and orientation (3D pose). This has made it hard to generalize these methods to in-the-wild shapes, eg.,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Rahul Sajnani , Adrien Poulenard , Jivitesh Jain , Radhika Dua , Leonidas J. Guibas , Srinath Sridhar

For robot manipulation, a complete and accurate object shape is desirable. Here, we present a method that combines visual and haptic reconstruction in a closed-loop pipeline. From an initial viewpoint, the object shape is reconstructed…

Robotics · Computer Science 2024-09-11 Lukas Rustler , Jiri Matas , Matej Hoffmann

This paper presents a new method for parallel-jaw grasping of isolated objects from depth images, under large gripper pose uncertainty. Whilst most approaches aim to predict the single best grasp pose from an image, our method first…

Robotics · Computer Science 2016-09-14 Edward Johns , Stefan Leutenegger , Andrew J. Davison

Shape completion aims to recover the full 3D geometry of an object from a partial observation. This problem is inherently multi-modal since there can be many ways to plausibly complete the missing regions of a shape. Such diversity would be…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Wesley Khademi , Li Fuxin

The progressive prevalence of robots in human-suited environments has given rise to a myriad of object manipulation techniques, in which dexterity plays a paramount role. It is well-established that humans exhibit extraordinary dexterity…

Data-driven approaches have become a dominant paradigm for robotic grasp planning. However, the performance of these approaches is enormously influenced by the quality of the available training data. In this paper, we propose a framework to…

Robotics · Computer Science 2022-09-07 Junnan Jiang , Yuyang Tu , Xiaohui Xiao , Zhongtao Fu , Jianwei Zhang , Fei Chen , Miao Li

Masked signal modeling has greatly advanced self-supervised pre-training for language and 2D images. However, it is still not fully explored in 3D scene understanding. Thus, this paper introduces Masked Shape Prediction (MSP), a new…

Computer Vision and Pattern Recognition · Computer Science 2023-05-10 Li Jiang , Zetong Yang , Shaoshuai Shi , Vladislav Golyanik , Dengxin Dai , Bernt Schiele

Robotic grasping is a fundamental ability for a robot to interact with the environment. Current methods focus on how to obtain a stable and reliable grasping pose in object level, while little work has been studied on part (shape)-wise…

Robotics · Computer Science 2025-05-01 Yaoxian Song , Penglei Sun , Piaopiao Jin , Yi Ren , Yu Zheng , Zhixu Li , Xiaowen Chu , Yue Zhang , Tiefeng Li , Jason Gu

Reconstructing the underlying 3D surface of an object from a single image is a challenging problem that has received extensive attention from the computer vision community. Many learning-based approaches tackle this problem by learning a 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Nicolai Häni , Jun-Jee Chao , Volkan Isler

3D shape is a crucial but heavily underutilized cue in today's computer vision systems, mostly due to the lack of a good generic shape representation. With the recent availability of inexpensive 2.5D depth sensors (e.g. Microsoft Kinect),…

Computer Vision and Pattern Recognition · Computer Science 2015-04-16 Zhirong Wu , Shuran Song , Aditya Khosla , Fisher Yu , Linguang Zhang , Xiaoou Tang , Jianxiong Xiao

This paper introduces a data-driven shape completion approach that focuses on completing geometric details of missing regions of 3D shapes. We observe that existing generative methods lack the training data and representation capacity to…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Bo Sun , Vladimir G. Kim , Noam Aigerman , Qixing Huang , Siddhartha Chaudhuri

Informed learning is an emerging field in machine learning that aims to compensate for insufficient data with prior knowledge. Shape knowledge covers many types of prior knowledge concerning the relationship of a function's output with…

Optimization and Control · Mathematics 2024-09-26 Miltiadis Poursanidis , Patrick Link , Jochen Schmid , Uwe Teicher