Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

You might also read

Related Articles

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

Sort by

Same author

Bioreactance reliably detects preload responsiveness by the end-expiratory occlusion test when averaging and refresh times are shortened.

Annals of intensive care·2021

Same author

Renal protection of transaxillary/subclavian accesses for transcatheter aortic valve implantation in patients with impossible femoral access.

Scandinavian cardiovascular journal : SCJ·2021

Same author

Utilization of Transcriptome, Small RNA, and Degradome Sequencing to Provide Insights Into Drought Stress and Rewatering Treatment in <i>Medicago ruthenica</i>.

Frontiers in plant science·2021

Same author

A broadly neutralizing humanized ACE2-targeting antibody against SARS-CoV-2 variants.

Nature communications·2021

Same author

miRNAomics analysis reveals the promoting effects of cigarette smoke extract-treated Beas-2B-derived exosomes on macrophage polarization.

Biochemical and biophysical research communications·2021

Same author

Variations in bacterial and archaeal community structure and diversity along the soil profiles of a peatland in Southwest China.

Environmental science and pollution research international·2021

Same journal

Denoising algorithm of Φ-OTDR systems based on adaptive fractional wavelet transform denoising.

Optics express·2026

Same journal

Millisecond photon-to-photon latency and high-speed volumetric projection system for optogenetics.

Optics express·2026

Same journal

Polarization-encoded coaxial structured light for high-precision 3D surface profilometry.

Optics express·2026

Same journal

Discrete freeform optical design based on collaborative optimization of point cloud and local normals.

Optics express·2026

Same journal

Ultrafast ghost imaging with 25 GHz speckle switching and wavelength-division multiplexing.

Optics express·2026

Same journal

Atomic vapor cells fabricated by femtosecond laser welding of standard-optical-quality glass.

Optics express·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Nov 23, 2025

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

Reconfigurable optical time delay array for 3D lidar scene projector.

Yanze Gao, Sichen Zhang, Xin Wang

|December 31, 2020

Summary

This summary is machine-generated.

This study introduces a novel time slicing method for reconfigurable optical time delay arrays (ROTDA) to enhance 3D lidar scene projection (LSP) for autonomous driving systems. The new ROTDA design achieves higher spatial resolution, enabling more realistic hardware-in-the-loop simulations.

More Related Videos

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

A Protocol for Real-time 3D Single Particle Tracking

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

Related Experiment Videos

Last Updated: Nov 23, 2025

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

Published on: December 3, 2013

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Time Multiplexing Super Resolving Technique for Imaging from a Moving Platform

Published on: February 12, 2014

A Protocol for Real-time 3D Single Particle Tracking

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

Area of Science:

Optoelectronics
Photonics
Autonomous Driving Systems

Background:

3D Lidar Scene Projectors (LSP) are vital for hardware-in-the-loop (HIL) simulation in autonomous driving systems (ADS).
Current reconfigurable optical time delay arrays (ROTDA) limit LSP spatial resolution to 10x10 pixels, hindering simulation fidelity.

Purpose of the Study:

To propose a novel ROTDA design overcoming current spatial resolution limitations for LSPs.
To enable higher fidelity 3D lidar scene generation for autonomous driving simulations.

Main Methods:

Introduced a time slicing method where optical signals with identical time delays but varying spatial coordinates form a single time slice.
Utilized a microlens-array-based imaging system to superimpose different time slices into a composite 3D lidar scene.
Employed a spatial light modulator (SLM) for configuring individual pixel time delays.

Main Results:

Developed a 64x64 pixel ROTDA prototype with 180 reconfigurable time delays per pixel.
Achieved a time delay resolution of 1 ns and a maximum delay of 5000 s.
Demonstrated a 3D frame rate of 20Hz, generating continuous scenes over 27m or multiple short scenes (3-3.75m span).

Conclusions:

The proposed time slicing method significantly enhances ROTDA capabilities for LSP.
This novel design supports higher spatial resolutions, improving HIL simulation accuracy for ADS.
The method is applicable to other systems requiring numerous time delay generators.