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This paper proposes a novel point-cloud-based place recognition system that adopts a deep learning approach for feature extraction. By using a convolutional neural network pre-trained on color images to extract features from a range image…

Computer Vision and Pattern Recognition · Computer Science 2018-10-24 Ting Sun , Ming Liu , Haoyang Ye , Dit-Yan Yeung

Knowledge of the 6D pose of an object can benefit in-hand object manipulation. In-hand 6D object pose estimation is challenging because of heavy occlusion produced by the robot's grippers, which can have an adverse effect on methods that…

Point clouds data, as one kind of representation of 3D objects, are the most primitive output obtained by 3D sensors. Unlike 2D images, point clouds are disordered and unstructured. Hence it is not straightforward to apply classification…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Zhuyang Xie , Junzhou Chen , Bo Peng

Human gesture recognition has assumed a capital role in industrial applications, such as Human-Machine Interaction. We propose an approach for segmentation and classification of dynamic gestures based on a set of handcrafted features, which…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 André Brás , Miguel Simão , Pedro Neto

Deep learning-based point cloud registration models are often generalized from extensive training over a large volume of data to learn the ability to predict the desired geometric transformation to register 3D point clouds. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Lingjing Wang , Yu Hao , Xiang Li , Yi Fang

Prosthetic hands can help people with limb difference to return to their life routines. Commercial prostheses, however have several limitations in providing an acceptable dexterity. We approach these limitations by augmenting the prosthetic…

Computer Vision and Pattern Recognition · Computer Science 2019-08-08 Ghazal Ghazaei , Federico Tombari , Nassir Navab , Kianoush Nazarpour

We propose a novel method for 3D point cloud action recognition. Understanding human actions in RGB videos has been widely studied in recent years, however, its 3D point cloud counterpart remains under-explored. This is mostly due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Yizhak Ben-Shabat , Oren Shrout , Stephen Gould

The ability to grasp objects is an essential skill that enables many robotic manipulation tasks. Recent works have studied point cloud-based methods for object grasping by starting from simulated datasets and have shown promising…

Robotics · Computer Science 2022-06-07 Antonio Alliegro , Martin Rudorfer , Fabio Frattin , Aleš Leonardis , Tatiana Tommasi

The gesture recognition using motion capture data and depth sensors has recently drawn more attention in vision recognition. Currently most systems only classify dataset with a couple of dozens different actions. Moreover, feature…

Computer Vision and Pattern Recognition · Computer Science 2014-09-02 Kyunghyun Cho , Xi Chen

This paper proposes a novel active visuo-tactile based methodology wherein the accurate estimation of the time-invariant SE(3) pose of objects is considered for autonomous robotic manipulators. The robot equipped with tactile sensors on the…

Robotics · Computer Science 2021-08-10 Prajval Kumar Murali , Michael Gentner , Mohsen Kaboli

Understanding dynamic 3D environment is crucial for robotic agents and many other applications. We propose a novel neural network architecture called $MeteorNet$ for learning representations for dynamic 3D point cloud sequences. Different…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Xingyu Liu , Mengyuan Yan , Jeannette Bohg

Implicit function based surface reconstruction has been studied for a long time to recover 3D shapes from point clouds sampled from surfaces. Recently, Signed Distance Functions (SDFs) and Occupany Functions are adopted in learning-based…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Meng Jia , Matthew Kyan

We introduce a novel framework for Continual Learning in 3D object classification. Our approach, CL3D, is based on the selection of prototypes from each class using spectral clustering. For non-Euclidean data such as point clouds, spectral…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Hossein Resani , Behrooz Nasihatkon , Mohammadreza Alimoradi Jazi

Point cloud analysis (such as 3D segmentation and detection) is a challenging task, because of not only the irregular geometries of many millions of unordered points, but also the great variations caused by depth, viewpoint, occlusion, etc.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Tuo Feng , Wenguan Wang , Xiaohan Wang , Yi Yang , Qinghua Zheng

We propose an approach to multi-modal grasp detection that jointly predicts the probabilities that several types of grasps succeed at a given grasp pose. Given a partial point cloud of a scene, the algorithm proposes a set of feasible grasp…

Robotics · Computer Science 2021-09-16 Matt Corsaro , Stefanie Tellex , George Konidaris

Consecutive LiDAR scans compose dynamic 3D sequences, which contain more abundant information than a single frame. Similar to the development history of image and video perception, dynamic 3D sequence perception starts to come into sight…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Tao Zhong , Wonjik Kim , Masayuki Tanaka , Masatoshi Okutomi

Recent advances in computer vision and deep learning have shown promising performance in estimating rigid/similarity transformation between unregistered point clouds of complex objects and scenes. However, their performances are mostly…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Ningli Xu , Rongjun Qin , Shuang Song

In this paper, we propose an end-to-end grasp evaluation model to address the challenging problem of localizing robot grasp configurations directly from the point cloud. Compared to recent grasp evaluation metrics that are based on…

Robotics · Computer Science 2020-10-16 Hongzhuo Liang , Xiaojian Ma , Shuang Li , Michael Görner , Song Tang , Bin Fang , Fuchun Sun , Jianwei Zhang

Fully exploring correlation among points in point clouds is essential for their feature modeling. This paper presents a novel end-to-end graph model, named Point2Node, to represent a given point cloud. Point2Node can dynamically explore…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Wenkai Han , Chenglu Wen , Cheng Wang , Xin Li , Qing Li

We present a method that detects boundaries of parts in 3D shapes represented as point clouds. Our method is based on a graph convolutional network architecture that outputs a probability for a point to lie in an area that separates two or…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Marios Loizou , Melinos Averkiou , Evangelos Kalogerakis