English
Related papers

Related papers: Dynamic Adaptive Point Cloud Streaming

200 papers

Time varying sequences of 3D point clouds, or 4D point clouds, are now being acquired at an increasing pace in several applications (e.g., LiDAR in autonomous or assisted driving). In many cases, such volume of data is transmitted, thus…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Lorenzo Berlincioni , Stefano Berretti , Marco Bertini , Alberto Del Bimbo

Along with increasingly popular virtual reality applications, the three-dimensional (3D) point cloud has become a fundamental data structure to characterize 3D objects and surroundings. To process 3D point clouds efficiently, a suitable…

Signal Processing · Electrical Eng. & Systems 2020-12-29 Songyang Zhang , Shuguang Cui , Zhi Ding

Point cloud obtained from 3D scanning is often sparse, noisy, and irregular. To cope with these issues, recent studies have been separately conducted to densify, denoise, and complete inaccurate point cloud. In this paper, we advocate that…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Jaesung Choe , Byeongin Joung , Francois Rameau , Jaesik Park , In So Kweon

Scene-level point cloud understanding remains challenging due to diverse geometries, imbalanced category distributions, and highly varied spatial layouts. Existing methods improve object-level performance but rely on static network…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Siyuan Liu , Chaoqun Zheng , Xin Zhou , Tianrui Feng , Dingkang Liang , Xiang Bai

While point-based neural architectures have demonstrated their efficacy, the time-consuming sampler currently prevents them from performing real-time reasoning on scene-level point clouds. Existing methods attempt to overcome this issue by…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Junyuan Ouyang , Xiao Liu , Haoyao Chen

In this work, we tackle the task of point cloud denoising through a novel framework that adapts Diffusion Schr\"odinger bridges to points clouds. Unlike previous approaches that predict point-wise displacements from point features or…

Computer Vision and Pattern Recognition · Computer Science 2024-08-30 Mathias Vogel , Keisuke Tateno , Marc Pollefeys , Federico Tombari , Marie-Julie Rakotosaona , Francis Engelmann

Conventional adaptive bitrate (ABR) streaming systems typically rely on static bitrate ladders to optimize Quality of Experience (QoE). While operationally simple, this "one-size-fits-all" approach neglects content-specific characteristics,…

Image and Video Processing · Electrical Eng. & Systems 2026-05-18 Xin Xiong , Yixu Chen , Hai Wei , Yongjun Wu , Sriram Sethuraman

Nowadays Dynamic Adaptive Streaming over HTTP (DASH) is the most prevalent solution on the Internet for multimedia streaming and responsible for the majority of global traffic. DASH uses adaptive bit rate (ABR) algorithms, which select the…

Networking and Internet Architecture · Computer Science 2018-09-28 Pablo Gil Pereira , Andreas Schmidt , Thorsten Herfet

3D point cloud analysis has drawn a lot of research attention due to its wide applications. However, collecting massive labelled 3D point cloud data is both time-consuming and labor-intensive. This calls for data-efficient learning methods.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Fayao Liu , Guosheng Lin , Chuan-Sheng Foo , Chaitanya K. Joshi , Jie Lin

The recent success of neural networks enables a better interpretation of 3D point clouds, but processing a large-scale 3D scene remains a challenging problem. Most current approaches divide a large-scale scene into small regions and combine…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Chunghyun Park , Yoonwoo Jeong , Minsu Cho , Jaesik Park

This paper proposes a video delivery strategy for dynamic streaming services which maximizes time-average streaming quality under a playback delay constraint in wireless caching networks. The network where popular videos encoded by scalable…

Networking and Internet Architecture · Computer Science 2019-03-01 Minseok Choi , Albert No , Mingyue Ji , Joongheon Kim

Adaptive HTTP streaming with centralized consideration of multiple streams has gained increasing interest. It poses a special challenge that the interests of both content provider and network operator need to be deliberately balanced. More…

Networking and Internet Architecture · Computer Science 2015-01-20 Zhisheng Yan , Cedric Westphal , Xin Wang , Chang Wen Chen

While edge video caching has great potential to decrease the core network traffic as well as the users' experienced latency, it is often challenging to exploit the caches in current client-driven video streaming solutions due to two key…

Networking and Internet Architecture · Computer Science 2020-02-06 Suzan Bayhan , Setareh Maghsudi , Anatolij Zubow

3D point cloud segmentation has a wide range of applications in areas such as autonomous driving, augmented reality, virtual reality and digital twins. The point cloud data collected in real scenes often contain small objects and categories…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Chade Li , Pengju Zhang , Jiaming Zhang , Yihong Wu

Recently Transformer-based models have advanced point cloud understanding by leveraging self-attention mechanisms, however, these methods often overlook latent information in less prominent regions, leading to increased sensitivity to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Yi Wang , Jiaze Wang , Ziyu Guo , Renrui Zhang , Donghao Zhou , Guangyong Chen , Anfeng Liu , Pheng-Ann Heng

With the rapid progress of deep convolutional neural networks, in almost all robotic applications, the availability of 3D point clouds improves the accuracy of 3D semantic segmentation methods. Rendering of these irregular, unstructured,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Mobina Mahdavi , Fahimeh Fooladgar , Shohreh Kasaei

3D point cloud segmentation has made tremendous progress in recent years. Most current methods focus on aggregating local features, but fail to directly model long-range dependencies. In this paper, we propose Stratified Transformer that is…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Xin Lai , Jianhui Liu , Li Jiang , Liwei Wang , Hengshuang Zhao , Shu Liu , Xiaojuan Qi , Jiaya Jia

Point clouds have been recognized as a crucial data structure for 3D content and are essential in a number of applications such as virtual and mixed reality, autonomous driving, cultural heritage, etc. In this paper, we propose a set of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Maurice Quach , Giuseppe Valenzise , Frederic Dufaux

Recent years have witnessed the growth of point cloud based applications because of its realistic and fine-grained representation of 3D objects and scenes. However, it is a challenging problem to compress sparse, unstructured, and…

Image and Video Processing · Electrical Eng. & Systems 2020-11-10 Jianqiang Wang , Dandan Ding , Zhu Li , Zhan Ma

Recently, point clouds have shown to be a promising way to represent 3D visual data for a wide range of immersive applications, from augmented reality to autonomous cars. Emerging imaging sensors have made easier to perform richer and…

Image and Video Processing · Electrical Eng. & Systems 2020-11-16 Alireza Javaheri , Catarina Brites , Fernando Pereira , Joao Ascenso