中文
相关论文

相关论文: Improved Deep Point Cloud Geometry Compression

200 篇论文

With the help of the deep learning paradigm, many point cloud networks have been invented for visual analysis. However, there is great potential for development of these networks since the given information of point cloud data has not been…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Shi Qiu , Saeed Anwar , Nick Barnes

Recently, the advancement of 3D point clouds in deep learning has attracted intensive research in different application domains such as computer vision and robotic tasks. However, creating feature representation of robust, discriminative…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Xu Wang , Yi Jin , Yigang Cen , Tao Wang , Yidong Li

The widespread adoption of depth sensors has substantially lowered the barrier to point-cloud acquisition. This letter proposes a semantic wireless transmission framework for three dimension (3D) point clouds built on Deep Joint Source -…

机器学习 · 计算机科学 2026-03-03 Junlin Chang , Yubo Han , Hang Yue , John S Thompson , Rongke Liu

Point clouds obtained with 3D scanners or by image-based reconstruction techniques are often corrupted with significant amount of noise and outliers. Traditional methods for point cloud denoising largely rely on local surface fitting (e.g.,…

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…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Prajwal Singh , Kaustubh Sadekar , Shanmuganathan Raman

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…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Bach Tran , Binh-Son Hua , Anh Tuan Tran , Minh Hoai

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…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Congjia Chen , Xiaoyu Jia , Yanhong Zheng , Yufu Qu

The recently introduced coder based on region-adaptive hierarchical transform (RAHT) for the compression of point clouds attributes, was shown to have a performance competitive with the state-of-the-art, while being much less complex. In…

图像与视频处理 · 电气工程与系统科学 2018-05-24 Gustavo Sandri , Ricado L. de Queiroz , Philip A. Chou

Efficient point cloud coding has become increasingly critical for multiple applications such as virtual reality, autonomous driving, and digital twin systems, where rich and interactive 3D data representations may functionally make the…

图像与视频处理 · 电气工程与系统科学 2025-03-13 André F. R. Guarda , Nuno M. M. Rodrigues , Fernando Pereira

Being able to learn an effective semantic representation directly on raw point clouds has become a central topic in 3D understanding. Despite rapid progress, state-of-the-art encoders are restrictive to canonicalized point clouds, and have…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Jun-Kun Chen , Yu-Xiong Wang

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Chenxi Xiao , Juan Wachs

LiDAR point clouds are fundamental to various applications, yet the extreme sparsity of high-precision geometric details hinders efficient context modeling, thereby limiting the compression speed and performance of existing methods. To…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Pengpeng Yu , Haoran Li , Runqing Jiang , Dingquan Li , Jing Wang , Liang Lin , Yulan Guo

3D point clouds acquired by scanning real-world objects or scenes have found a wide range of applications including immersive telepresence, autonomous driving, surveillance, etc. They are often perturbed by noise or suffer from low density,…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Haolan Chen , Bi'an Du , Shitong Luo , Wei Hu

Deep neural networks have achieved significant success in 3D point cloud classification while relying on large-scale, annotated point cloud datasets, which are labor-intensive to build. Compared to capturing data with LiDAR sensors and then…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Huantao Ren , Minmin Yang , Senem Velipasalar

A low-complexity point cloud compression method called the Green Point Cloud Geometry Codec (GPCGC), is proposed to encode the 3D spatial coordinates of static point clouds efficiently. GPCGC consists of two modules. In the first module,…

图像与视频处理 · 电气工程与系统科学 2023-02-14 Qingyang Zhou , Shan Liu , C. -C. Jay Kuo

Recent developments in the field of deep learning for 3D data have demonstrated promising potential for end-to-end learning directly from point clouds. However, many real-world point clouds contain a large class im-balance due to the…

计算机视觉与模式识别 · 计算机科学 2019-06-19 David Griffiths , Jan Boehm

3D perception in point clouds is transforming the perception ability of future intelligent machines. Point cloud algorithms, however, are plagued by irregular memory accesses, leading to massive inefficiencies in the memory sub-system,…

硬件体系结构 · 计算机科学 2022-04-25 Yu Feng , Gunnar Hammonds , Yiming Gan , Yuhao Zhu

Due to the limited computational capabilities of edge devices, deep learning inference can be quite expensive. One remedy is to compress and transmit point cloud data over the network for server-side processing. Unfortunately, this approach…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Mateen Ulhaq , Ivan V. Bajić

Point clouds-based Networks have achieved great attention in 3D object classification, segmentation and indoor scene semantic parsing. In terms of face recognition, 3D face recognition method which directly consume point clouds as input is…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Ziyu Zhang , Feipeng Da , Yi Yu

Deep learning-based quality assessments have significantly enhanced perceptual multimedia quality assessment, however it is still in the early stages for 3D visual data such as 3D point clouds (PCs). Due to the high volume of 3D-PCs, such…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Oussama Messai , Abdelouahid Bentamou , Abbass Zein-Eddine , Yann Gavet