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Related Experiment Video

Updated: Aug 28, 2025

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 Time-Division Position-Sensitive Detector Image System for High-Speed Multitarget Trajectory Tracking.

Kaiyang Liu¹, Dongyang Wan¹, Wenhui Wang¹

¹School of Physics, Frontiers Science Center for Mobile Information Communication and Security, Quantum Information Research Center, Southeast University, Nanjing, 211189, China.

Advanced Materials (Deerfield Beach, Fla.)

|September 17, 2022

Summary

This summary is machine-generated.

A novel graphene-silicon Schottky heterojunction time-division position-sensitive detector (TD-PSD) enables high-speed trajectory tracking. This system achieves 62,000 frames per second for multi-target tracking, overcoming limitations of conventional sensors.

Keywords:

graphene position-sensitive detectors real-time imaging silicon photonics trajectory tracking

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Area of Science:

Optoelectronics
Materials Science
Robotics

Background:

High-speed trajectory tracking is crucial for autonomous systems and robotics.
Conventional CCD/CMOS sensors face resolution-framerate trade-offs and complex data analysis.
Existing methods struggle with real-time processing in dynamic environments.

Purpose of the Study:

To develop a high-speed trajectory tracking system with enhanced real-time processing.
To overcome the limitations of conventional optical tracking methods.
To improve tracking accuracy and image quality in challenging lighting conditions.

Main Methods:

Design and implementation of a time-division position-sensitive detector (TD-PSD) using a graphene-silicon Schottky heterojunction.
Leveraging the high-speed optoelectronic response and sub-micrometer positional accuracy of the TD-PSD.
Utilizing frequency-related image preprocessing for multichannel tracking and distortion correction.

Main Results:

Achieved multi-target real-time trajectory tracking at a maximum framerate of 62,000 frames per second.
Demonstrated multichannel tracking capabilities.
Successfully implemented image-distortion correction for improved image quality in complex lighting.

Conclusions:

The TD-PSD based on graphene-silicon Schottky heterojunction offers superior performance for high-speed trajectory tracking.
This technology significantly enhances real-time information processing capacity.
The system provides a robust solution for applications requiring precise and rapid motion tracking.