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Learning for manipulation requires using policies that have access to rich sensory information such as point clouds or RGB images. Point clouds efficiently capture geometric structures, making them essential for manipulation tasks in…

Aligning partial views of a scene into a single whole is essential to understanding one's environment and is a key component of numerous robotics tasks such as SLAM and SfM. Recent approaches have proposed end-to-end systems that can…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Mohamed El Banani , Luya Gao , Justin Johnson

Self-supervised methods have been proven effective for learning deep representations of 3D point cloud data. Although recent methods in this domain often rely on random masking of inputs, the results of this approach can be improved. We…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Michał Szachniewicz , Wojciech Kozłowski , Michał Stypułkowski , Maciej Zięba

Implicit Neural Point Cloud (INPC) is a recent hybrid representation that combines the expressiveness of neural fields with the efficiency of point-based rendering, achieving state-of-the-art image quality in novel view synthesis. However,…

Point clouds are a basic data type that is increasingly of interest as 3D content becomes more ubiquitous. Applications using point clouds include virtual, augmented, and mixed reality and autonomous driving. We propose a more efficient…

Computer Vision and Pattern Recognition · Computer Science 2021-06-04 Ryan Killea , Yun Li , Saeed Bastani , Paul McLachlan

We propose a compute shader based point cloud rasterizer with up to 10 times higher performance than classic point-based rendering with the GL_POINT primitive. In addition to that, our rasterizer offers 5 byte depth-buffer precision with…

Graphics · Computer Science 2019-08-08 Markus Schütz , Michael Wimmer

Masked autoencoding has achieved great success for self-supervised learning in the image and language domains. However, mask based pretraining has yet to show benefits for point cloud understanding, likely due to standard backbones like…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Haotian Liu , Mu Cai , Yong Jae Lee

With the rapid progress of multimodal foundation models and predictive pre-training, an important open question is how to equip 3D point clouds with a pre-training paradigm that is better aligned with next-token and next-embedding learning.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Yumeng Yao , Jingzhi Dong , Haowen Gu , Tao Chen , Zonghan Wu , Xiaoshui Huang , Yazhou Yao

Learning local descriptors is an important problem in computer vision. While there are many techniques for learning local patch descriptors for 2D images, recently efforts have been made for learning local descriptors for 3D points. The…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Siddharth Srivastava , Brejesh Lall

Recent deep networks that directly handle points in a point set, e.g., PointNet, have been state-of-the-art for supervised learning tasks on point clouds such as classification and segmentation. In this work, a novel end-to-end deep…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yaoqing Yang , Chen Feng , Yiru Shen , Dong Tian

This paper introduces a new method for 3D point cloud registration based on deep learning. The architecture is composed of three distinct blocs: (i) an encoder composed of a convolutional graph-based descriptor that encodes the immediate…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Karim Slimani , Brahim Tamadazte , Catherine Achard

Point cloud is point sets defined in 3D metric space. Point cloud has become one of the most significant data format for 3D representation. Its gaining increased popularity as a result of increased availability of acquisition devices, such…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Saifullahi Aminu Bello , Shangshu Yu , Cheng Wang

We present a new deep point cloud rendering pipeline through multi-plane projections. The input to the network is the raw point cloud of a scene and the output are image or image sequences from a novel view or along a novel camera…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Peng Dai , Yinda Zhang , Zhuwen Li , Shuaicheng Liu , Bing Zeng

Point cloud is one of the widely used techniques for representing and storing 3D geometric data. In the past several methods have been proposed for processing point clouds. Methods such as PointNet and FoldingNet have shown promising…

Computer Vision and Pattern Recognition · Computer Science 2022-09-29 Prajwal Singh , Kaustubh Sadekar , Shanmuganathan Raman

Deep learning is increasingly being used to perform machine vision tasks such as classification, object detection, and segmentation on 3D point cloud data. However, deep learning inference is computationally expensive. The limited…

Image and Video Processing · Electrical Eng. & Systems 2023-08-14 Mateen Ulhaq , Ivan V. Bajić

We present a technique for visualizing point clouds using a neural network. Our technique allows for an instant preview of any point cloud, and bypasses the notoriously difficult surface reconstruction problem or the need to estimate…

Graphics · Computer Science 2022-02-22 Gal Metzer , Rana Hanocka , Raja Giryes , Niloy J. Mitra , Daniel Cohen-Or

In computer-aided design (CAD) community, the point cloud data is pervasively applied in reverse engineering, where the point cloud analysis plays an important role. While a large number of supervised learning methods have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Cheng Zhang , Jian Shi , Xuan Deng , Zizhao Wu

Conventional methods of 3D object generative modeling learn volumetric predictions using deep networks with 3D convolutional operations, which are direct analogies to classical 2D ones. However, these methods are computationally wasteful in…

Computer Vision and Pattern Recognition · Computer Science 2017-06-22 Chen-Hsuan Lin , Chen Kong , Simon Lucey

Strong evidence suggests that humans perceive the 3D world by parsing visual scenes and objects into part-whole hierarchies. Although deep neural networks have the capability of learning powerful multi-level representations, they can not…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Xiang Gao , Wei Hu , Renjie Liao

Contemporary registration devices for 3D visual information, such as LIDARs and various depth cameras, capture data as 3D point clouds. In turn, such clouds are challenging to be processed due to their size and complexity. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Dominik Zimny , Joanna Waczyńska , Tomasz Trzciński , Przemysław Spurek