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Visual Simultaneous Localization and Mapping (SLAM) systems are an essential component in agricultural robotics that enable autonomous navigation and the construction of accurate 3D maps of agricultural fields. However, lack of texture,…

机器人学 · 计算机科学 2021-07-12 Mohamad Qadri , George Kantor

Achieving real-time Simultaneous Localization and Mapping (SLAM) based on 3D Gaussian splatting (3DGS) in large-scale real-world environments remains challenging, as existing methods still struggle to jointly achieve low-latency pose…

Existing simultaneous localization and mapping (SLAM) algorithms are not robust in challenging low-texture environments because there are only few salient features. The resulting sparse or semi-dense map also conveys little information for…

计算机视觉与模式识别 · 计算机科学 2017-03-22 Shichao Yang , Yu Song , Michael Kaess , Sebastian Scherer

The mobile robot relies on SLAM (Simultaneous Localization and Mapping) to provide autonomous navigation and task execution in complex and unknown environments. However, it is hard to develop a dedicated algorithm for mobile robots due to…

机器人学 · 计算机科学 2023-12-27 Ke Cao , Ruiping Liu , Ze Wang , Kunyu Peng , Jiaming Zhang , Junwei Zheng , Zhifeng Teng , Kailun Yang , Rainer Stiefelhagen

Accurately estimating forest biomass is crucial for global carbon cycle modelling and climate change mitigation. Tree height, a key factor in biomass calculations, can be measured using Synthetic Aperture Radar (SAR) technology. This study…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Grace Colverd , Jumpei Takami , Laura Schade , Karol Bot , Joseph A. Gallego-Mejia

Accurate classification of tropical tree species from unoccupied aerial vehicle (UAV) imagery remains challenging due to high species diversity and strong visual similarity among species at typical image resolutions (centimeters per pixel).…

Autonomous robots in orchards require real-time 3D scene understanding despite repetitive row geometry, seasonal appearance changes, and wind-driven foliage motion. We present AgriGS-SLAM, a Visual--LiDAR SLAM framework that couples direct…

机器人学 · 计算机科学 2025-10-31 Mirko Usuelli , David Rapado-Rincon , Gert Kootstra , Matteo Matteucci

Robotic applications are continuously striving towards higher levels of autonomy. To achieve that goal, a highly robust and accurate state estimation is indispensable. Combining visual and inertial sensor modalities has proven to yield…

机器人学 · 计算机科学 2022-08-02 Simon Boche , Xingxing Zuo , Simon Schaefer , Stefan Leutenegger

We present an inverse image-formation module that can enhance the robustness of existing visual SLAM pipelines for casually captured scenarios. Casual video captures often suffer from motion blur and varying appearances, which degrade the…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Gwangtak Bae , Changwoon Choi , Hyeongjun Heo , Sang Min Kim , Young Min Kim

Traditional approaches for Visual Simultaneous Localization and Mapping (VSLAM) rely on low-level vision information for state estimation, such as handcrafted local features or the image gradient. While significant progress has been made…

机器人学 · 计算机科学 2021-08-05 Huaiyang Huang , Haoyang Ye , Yuxiang Sun , Lujia Wang , Ming Liu

We present a pipeline for modeling spatially varying BRDFs (svBRDFs) of planar materials which only requires a mobile phone for data acquisition. With a minimum of two photos under the ambient and point light source, our pipeline produces…

图形学 · 计算机科学 2019-12-03 Bo Li , Jie Feng , Bingfeng Zhou

In this paper, we propose a thermal-infrared simultaneous localization and mapping (SLAM) system enhanced by sparse depth measurements from Light Detection and Ranging (LiDAR). Thermal-infrared cameras are relatively robust against fog,…

机器人学 · 计算机科学 2019-03-05 Young-Sik Shin , Ayoung Kim

Simultaneous localization and mapping (SLAM) has been a hot research field in the past years. Against the backdrop of more affordable 3D LiDAR sensors, research on 3D LiDAR SLAM is becoming increasingly popular. Furthermore, the…

机器人学 · 计算机科学 2021-09-02 Ziqi Chai , Xiaoyu Shi , Yan Zhou , Zhenhua Xiong

Visual Teach and Repeat (VT\&R) allows an autonomous vehicle to repeat a previously traversed route without a global positioning system. Existing implementations of VT\&R typically rely on 3D sensors such as stereo cameras for mapping and…

机器人学 · 计算机科学 2019-08-08 Lee Clement , Jonathan Kelly , Timothy D. Barfoot

This paper presents a hybrid real-time camera pose estimation framework with a novel partitioning scheme and introduces motion averaging to monocular Simultaneous Localization and Mapping (SLAM) systems. Breaking through the limitations of…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Xinyi Li , Haibin Ling

Autonomous UAV forestry operations require robust depth estimation with strong cross-domain generalization, yet existing evaluations focus on urban and indoor scenarios, leaving a critical gap for vegetation-dense environments. We present…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

The integration of neural rendering and the SLAM system recently showed promising results in joint localization and photorealistic view reconstruction. However, existing methods, fully relying on implicit representations, are so…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Huajian Huang , Longwei Li , Hui Cheng , Sai-Kit Yeung

Various depth estimation models are now widely used on many mobile and IoT devices for image segmentation, bokeh effect rendering, object tracking and many other mobile tasks. Thus, it is very crucial to have efficient and accurate depth…

We present a method for detecting and mapping trees in noisy stereo camera point clouds, using a learned 3-D object detector. Inspired by recent advancements in 3-D object detection using a pseudo-lidar representation for stereo data, we…

机器人学 · 计算机科学 2021-03-31 Brian H. Wang , Carlos Diaz-Ruiz , Jacopo Banfi , Mark Campbell

We present FoundationSLAM, a learning-based monocular dense SLAM system that addresses the absence of geometric consistency in previous flow-based approaches for accurate and robust tracking and mapping. Our core idea is to bridge flow…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Yuchen Wu , Jiahe Li , Fabio Tosi , Matteo Poggi , Jin Zheng , Xiao Bai