no code implementations • 11 Feb 2024 • Jiahao Pang, Kevin Bui, Dong Tian
The universality of the point cloud format enables many 3D applications, making the compression of point clouds a critical phase in practice.
no code implementations • 29 Aug 2023 • Eric Lei, Muhammad Asad Lodhi, Jiahao Pang, Junghyun Ahn, Dong Tian
There have been recent efforts to learn more meaningful representations via fixed length codewords from mesh data, since a mesh serves as a complete model of underlying 3D shape compared to a point cloud.
no code implementations • 19 Jun 2023 • Ruoyu Wang, Yanfei Xue, Bharath Surianarayanan, Dong Tian, Chen Feng
We propose Concavity-induced Distance (CID) as a novel way to measure the dissimilarity between a pair of points in an unoriented point cloud.
1 code implementation • 9 Sep 2022 • Jiahao Pang, Muhammad Asad Lodhi, Dong Tian
Specifically, a point-based network is applied to convert the erratic local details to latent features residing on the coarse point cloud.
1 code implementation • CVPR 2021 • HaiYan Wang, Jiahao Pang, Muhammad A. Lodhi, YingLi Tian, Dong Tian
Scene flow depicts the dynamics of a 3D scene, which is critical for various applications such as autonomous driving, robot navigation, AR/VR, etc.
no code implementations • 5 Aug 2020 • Wei Hu, Jiahao Pang, Xian-Ming Liu, Dong Tian, Chia-Wen Lin, Anthony Vetro
Geometric data acquired from real-world scenes, e. g., 2D depth images, 3D point clouds, and 4D dynamic point clouds, have found a wide range of applications including immersive telepresence, autonomous driving, surveillance, etc.
no code implementations • 2019 IEEE International Conference on Image Processing (ICIP) 2019 • Jiun-Yu Kao, Antonio Ortega, Dong Tian, Hassan Mansour, Anthony Vetro
Understanding human activity based on sensor information is required in many applications and has been an active research area.
Ranked #4 on Skeleton Based Action Recognition on MSR Action3D
no code implementations • 11 May 2019 • Siheng Chen, Chaojing Duan, Yaoqing Yang, Duanshun Li, Chen Feng, Dong Tian
The experimental results show that (1) the proposed networks outperform the state-of-the-art methods in various tasks; (2) a graph topology can be inferred as auxiliary information without specific supervision on graph topology inference; and (3) graph filtering refines the reconstruction, leading to better performances.
1 code implementation • CVPR 2018 • Yiru Shen, Chen Feng, Yaoqing Yang, Dong Tian
Unlike on images, semantic learning on 3D point clouds using a deep network is challenging due to the naturally unordered data structure.
3 code implementations • CVPR 2018 • Yaoqing Yang, Chen Feng, Yiru Shen, Dong Tian
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.
Ranked #16 on 3D Point Cloud Linear Classification on ModelNet40
no code implementations • 11 Feb 2017 • Siheng Chen, Dong Tian, Chen Feng, Anthony Vetro, Jelena Kovačević
We use a general feature-extraction operator to represent application-dependent features and propose a general reconstruction error to evaluate the quality of resampling.
no code implementations • 2 Feb 2017 • Andrew Knyazev, Akshay Gadde, Hassan Mansour, Dong Tian
New frame-less reconstruction methods are proposed, based on a novel concept of a reconstruction set, defined as a shortest pathway between the sample consistent set and the guiding set.
no code implementations • 4 Sep 2015 • Dong Tian, Hassan Mansour, Andrew Knyazev, Anthony Vetro
In 3D image/video acquisition, different views are often captured with varying noise levels across the views.