Search Results for author: Rui Tian

Found 8 papers, 1 papers with code

S3-SLAM: Sparse Tri-plane Encoding for Neural Implicit SLAM

no code implementations28 Apr 2024 Zhiyao Zhang, Yunzhou Zhang, Yanmin Wu, Bin Zhao, Xingshuo Wang, Rui Tian

With the emergence of Neural Radiance Fields (NeRF), neural implicit representations have gained widespread applications across various domains, including simultaneous localization and mapping.

Simultaneous Localization and Mapping

A Practical Large-Scale Roadside Multi-View Multi-Sensor Spatial Synchronization Framework for Intelligent Transportation Systems

no code implementations4 Nov 2023 Yong Li, Zhiguo Zhao, Yunli Chen, Rui Tian

To address these challenges, our research introduces a parallel spatial transformation (PST)-based framework for large-scale, multi-view, multi-sensor scenarios.

Camera Calibration

UniQuadric: A SLAM Backend for Unknown Rigid Object 3D Tracking and Light-Weight Modeling

no code implementations29 Sep 2023 Linghao Yang, Yanmin Wu, Yu Deng, Rui Tian, Xinggang Hu, Tiefeng Ma

Subsequently, in the part of object state estimation, we propose a tightly coupled optimization model for object pose and scale estimation, incorporating hybrids constraints into a novel dual sliding window optimization framework for joint estimation.

Motion Estimation Object +2

ResFormer: Scaling ViTs with Multi-Resolution Training

1 code implementation CVPR 2023 Rui Tian, Zuxuan Wu, Qi Dai, Han Hu, Yu Qiao, Yu-Gang Jiang

We introduce, ResFormer, a framework that is built upon the seminal idea of multi-resolution training for improved performance on a wide spectrum of, mostly unseen, testing resolutions.

Action Recognition Image Classification +4

Rethinking Skip Connections in Encoder-decoder Networks for Monocular Depth Estimation

no code implementations29 Aug 2022 Zhitong Lai, Haichao Sun, Rui Tian, Nannan Ding, Zhiguo Wu, Yanjie Wang

Skip connections are fundamental units in encoder-decoder networks, which are able to improve the feature propagtion of the neural networks.

Decoder Monocular Depth Estimation

Deeper Insights into the Robustness of ViTs towards Common Corruptions

no code implementations26 Apr 2022 Rui Tian, Zuxuan Wu, Qi Dai, Han Hu, Yu-Gang Jiang

With Vision Transformers (ViTs) making great advances in a variety of computer vision tasks, recent literature have proposed various variants of vanilla ViTs to achieve better efficiency and efficacy.

Benchmarking Data Augmentation

Accurate and Robust Object-oriented SLAM with 3D Quadric Landmark Construction in Outdoor Environment

no code implementations18 Oct 2021 Rui Tian, Yunzhou Zhang, Yonghui Feng, Linghao Yang, Zhenzhong Cao, Sonya Coleman, Dermot Kerr

To solve this problem, we propose a quadric initialization method based on the decoupling of the quadric parameters method, which improves the robustness to observation noise.

Autonomous Driving Object +1

Accurate and Robust Scale Recovery for Monocular Visual Odometry Based on Plane Geometry

no code implementations15 Jan 2021 Rui Tian, Yunzhou Zhang, Delong Zhu, Shiwen Liang, Sonya Coleman, Dermot Kerr

In this paper, with the assumption of a constant height of the camera above the ground, we develop a light-weight scale recovery framework leveraging an accurate and robust estimation of the ground plane.

Loop Closure Detection Monocular Visual Odometry +2

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