Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Vector Functions and Motion: Problem Solving01:30

Vector Functions and Motion: Problem Solving

Accurate position tracking is fundamental to the safe and effective operation of unmanned aerial vehicles (UAVs), particularly during precision maneuvers near complex structures. In this scenario, a drone is programmed to perform a high-precision inspection of a vertical structure, starting at position ((x, y, z) = (3, 0, 0)), with an initial velocity oriented in the positive z-direction. The trajectory of the drone is governed by a time-dependent acceleration function a(t), which is predefined...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Influencing factors and pathways of benefit finding in young and middle-aged patients with first-episode acute myocardial infarction and their spouses: a path analysis.

Frontiers in psychology·2026
Same author

Detection of nitrogen content in wheat leaves based on visible/near-infrared spectroscopy sensing.

Analytical methods : advancing methods and applications·2026
Same author

Effects of different levels of food on the acoustic characteristics of swallowing sounds in healthy older people.

BMC geriatrics·2026
Same author

A small-molecule self-assembled nano-prodrug for enhanced therapy of cancer stem cell-enriched pancreatic ductal adenocarcinoma.

Acta biomaterialia·2026
Same author

Antigen Spreading via Localized Administration Enhances Adoptive TCR-T Cell Therapy in Pancreatic Cancer.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

The multidimensional signaling of ELANE: from congenital hematopoietic failure to immune microenvironment crosstalk and targeted interventions.

Cell communication and signaling : CCS·2026

Related Experiment Video

Updated: Jul 9, 2026

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
11:54

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

9.3K

Moving event detection from LiDAR point streams.

Huajie Wu1, Yihang Li1, Wei Xu1

  • 1Department of Mechanical Engineering, The University of Hong Kong, Pokfulam, Hong Kong, 999077, China.

Nature Communications
|January 6, 2024
PubMed
Summary

Robots need fast moving event detection. A new M-detector method uses light detection and ranging (LiDAR) for microsecond-latency, point-by-point motion detection, outperforming current frame-based approaches.

More Related Videos

Image-based Lagrangian Particle Tracking in Bed-load Experiments
10:32

Image-based Lagrangian Particle Tracking in Bed-load Experiments

Published on: July 20, 2017

9.0K
Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques
10:53

Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

Published on: March 12, 2019

7.0K

Related Experiment Videos

Last Updated: Jul 9, 2026

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles
11:54

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

9.3K
Image-based Lagrangian Particle Tracking in Bed-load Experiments
10:32

Image-based Lagrangian Particle Tracking in Bed-load Experiments

Published on: July 20, 2017

9.0K
Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques
10:53

Simultaneous Measurement of Turbulence and Particle Kinematics Using Flow Imaging Techniques

Published on: March 12, 2019

7.0K

Area of Science:

  • Robotics
  • Computer Vision
  • Sensor Fusion

Background:

  • Robots in dynamic environments require microsecond-latency moving event detection.
  • Event cameras are standard for this, but light detection and ranging (LiDAR) offers dense depth data.
  • Existing LiDAR methods for motion detection have high latency (milliseconds).

Purpose of the Study:

  • To develop a novel method for high-speed, point-by-point moving event detection using LiDAR data.
  • To reduce detection latency significantly compared to existing frame-based LiDAR approaches.
  • To create a versatile moving event detection system applicable to various LiDAR sensors and environments.

Main Methods:

  • Introduced M-detector, a system that processes LiDAR points individually upon arrival.
  • Leveraged occlusion principles for real-time motion analysis.
  • Designed for compatibility with diverse LiDAR sensors and operational settings.

Main Results:

  • Achieved microsecond-level detection latency, significantly faster than millisecond-level frame-based methods.
  • Demonstrated superior accuracy, computational efficiency, and generalization ability across various datasets.
  • Validated M-detector's effectiveness in diverse experimental scenarios.

Conclusions:

  • M-detector offers a groundbreaking approach to real-time moving event detection using LiDAR.
  • The method significantly reduces latency, enhancing robotic perception in dynamic environments.
  • M-detector shows strong potential for widespread adoption in robotics and autonomous systems.