Search Results for author: Lintong Zhang

Found 6 papers, 0 papers with code

The Oxford Spires Dataset: Benchmarking Large-Scale LiDAR-Visual Localisation, Reconstruction and Radiance Field Methods

no code implementations15 Nov 2024 Yifu Tao, Miguel Ángel Muñoz-Bañón, Lintong Zhang, Jiahao Wang, Lanke Frank Tarimo Fu, Maurice Fallon

Our evaluation demonstrates a key limitation of state-of-the-art radiance field methods: we show that they tend to overfit to the training poses/images and do not generalise well to out-of-sequence poses.

3D Reconstruction Benchmarking +2

Visual Localization in 3D Maps: Comparing Point Cloud, Mesh, and NeRF Representations

no code implementations21 Aug 2024 Lintong Zhang, Yifu Tao, Jiarong Lin, Fu Zhang, Maurice Fallon

This paper presents and evaluates a global visual localization system capable of localizing a single camera image across various 3D map representations built using both visual and lidar sensing.

Image Retrieval NeRF +1

Multi-Camera LiDAR Inertial Extension to the Newer College Dataset

no code implementations16 Dec 2021 Lintong Zhang, Marco Camurri, David Wisth, Maurice Fallon

We present a multi-camera LiDAR inertial dataset of 4. 5 km walking distance as an expansion of the Newer College Dataset.

Balancing the Budget: Feature Selection and Tracking for Multi-Camera Visual-Inertial Odometry

no code implementations13 Sep 2021 Lintong Zhang, David Wisth, Marco Camurri, Maurice Fallon

We present a multi-camera visual-inertial odometry system based on factor graph optimization which estimates motion by using all cameras simultaneously while retaining a fixed overall feature budget.

feature selection

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