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Scene recognition is one of the basic problems in computer vision research with extensive applications in robotics. When available, depth images provide helpful geometric cues that complement the RGB texture information and help to identify…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Andrea Ferreri , Silvia Bucci , Tatiana Tommasi

This paper presents a collaborative implicit neural simultaneous localization and mapping (SLAM) system with RGB-D image sequences, which consists of complete front-end and back-end modules including odometry, loop detection, sub-map…

Computer Vision and Pattern Recognition · Computer Science 2023-11-15 Jiarui Hu , Mao Mao , Hujun Bao , Guofeng Zhang , Zhaopeng Cui

This paper reports on a novel nonparametric rigid point cloud registration framework that jointly integrates geometric and semantic measurements such as color or semantic labels into the alignment process and does not require explicit data…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Ray Zhang , Tzu-Yuan Lin , Chien Erh Lin , Steven A. Parkison , William Clark , Jessy W. Grizzle , Ryan M. Eustice , Maani Ghaffari

Point cloud registration is a fundamental task for estimating rigid transformations between point clouds. Previous studies have used geometric information for extracting features, matching and estimating transformation. Recently, owing to…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Congjia Chen , Xiaoyu Jia , Yanhong Zheng , Yufu Qu

In real-world scenarios, scanned point clouds are often incomplete due to occlusion issues. The tasks of self-supervised and weakly-supervised point cloud completion involve reconstructing missing regions of these incomplete objects without…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Lintai Wu , Xianjing Cheng , Yong Xu , Huanqiang Zeng , Junhui Hou

Image-based localization is a core component of many augmented/mixed reality (AR/MR) and autonomous robotic systems. Current localization systems rely on the persistent storage of 3D point clouds of the scene to enable camera pose…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Pablo Speciale , Johannes L. Schönberger , Sing Bing Kang , Sudipta N. Sinha , Marc Pollefeys

Deep point cloud registration methods face challenges to partial overlaps and rely on labeled data. To address these issues, we propose UDPReg, an unsupervised deep probabilistic registration framework for point clouds with partial…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Guofeng Mei , Hao Tang , Xiaoshui Huang , Weijie Wang , Juan Liu , Jian Zhang , Luc Van Gool , Qiang Wu

Robotic manipulation systems benefit from complementary sensing modalities, where each provides unique environmental information. Point clouds capture detailed geometric structure, while RGB images provide rich semantic context. Current…

We address the problem of learning accurate 3D shape and camera pose from a collection of unlabeled category-specific images. We train a convolutional network to predict both the shape and the pose from a single image by minimizing the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-23 Eldar Insafutdinov , Alexey Dosovitskiy

Visual scene understanding is an important capability that enables robots to purposefully act in their environment. In this paper, we propose a novel approach to object-class segmentation from multiple RGB-D views using deep learning. We…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Lingni Ma , Jörg Stückler , Christian Kerl , Daniel Cremers

Range-View(RV)-based 3D point cloud segmentation is widely adopted due to its compact data form. However, RV-based methods fall short in providing robust segmentation for the occluded points and suffer from distortion of projected RGB…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Shiqi Tan , Hamidreza Fazlali , Yixuan Xu , Yuan Ren , Bingbing Liu

Annotating large-scale point clouds is highly time-consuming and often infeasible for many complex real-world tasks. Point cloud pre-training has therefore become a promising strategy for learning discriminative representations without…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Guofeng Mei , Xiaoshui Huang , Juan Liu , Jian Zhang , Qiang Wu

We propose a dense neural simultaneous localization and mapping (SLAM) approach for monocular RGBD input which anchors the features of a neural scene representation in a point cloud that is iteratively generated in an input-dependent…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Erik Sandström , Yue Li , Luc Van Gool , Martin R. Oswald

Point cloud data have been widely explored due to its superior accuracy and robustness under various adverse situations. Meanwhile, deep neural networks (DNNs) have achieved very impressive success in various applications such as…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Aoran Xiao , Jiaxing Huang , Dayan Guan , Xiaoqin Zhang , Shijian Lu , Ling Shao

In this work, we present an effective multi-view approach to closed-loop end-to-end learning of precise manipulation tasks that are 3D in nature. Our method learns to accomplish these tasks using multiple statically placed but uncalibrated…

Robotics · Computer Science 2021-04-02 Iretiayo Akinola , Jacob Varley , Dmitry Kalashnikov

Pre-training has become a standard paradigm in many computer vision tasks. However, most of the methods are generally designed on the RGB image domain. Due to the discrepancy between the two-dimensional image plane and the three-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Zhenyu Li , Zehui Chen , Ang Li , Liangji Fang , Qinhong Jiang , Xianming Liu , Junjun Jiang , Bolei Zhou , Hang Zhao

We tackle the problem of object-centric learning on point clouds, which is crucial for high-level relational reasoning and scalable machine intelligence. In particular, we introduce a framework, SPAIR3D, to factorize a 3D point cloud into a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Tianyu Wang , Miaomiao Liu , Kee Siong Ng

Recent advances in depth imaging sensors provide easy access to the synchronized depth with color, called RGB-D image. In this paper, we propose an unsupervised method for indoor RGB-D image segmentation and analysis. We consider a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Md. Abul Hasnat , Olivier Alata , Alain Trémeau

Recently, great progress has been made in 3D deep learning with the emergence of deep neural networks specifically designed for 3D point clouds. These networks are often trained from scratch or from pre-trained models learned purely from…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Bach Tran , Binh-Son Hua , Anh Tuan Tran , Minh Hoai

RGB-D scene parsing methods effectively capture both semantic and geometric features of the environment, demonstrating great potential under challenging conditions such as extreme weather and low lighting. However, existing RGB-D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Jianxin Huang , Jiahang Li , Sergey Vityazev , Alexander Dvorkovich , Rui Fan