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A Simple Flight Mill for the Study of Tethered Flight in Insects

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Pulse Based Time-of-Flight Range Sensing.

Hamed Sarbolandi¹, Markus Plack², Andreas Kolb³

¹Institute for Vision and Graphics, University of Siegen, 57068 Siegen, Germany. hamed.sarbolandi@uni-siegen.de.

Sensors (Basel, Switzerland)

|June 9, 2018

Summary

This summary is machine-generated.

This study evaluates a Pulse-based Time-of-Flight (PB-ToF) camera prototype, analyzing its performance and identifying methods to enhance range measurement accuracy. Novel operational modes were introduced to improve depth imaging quality.

Keywords:

computer vision pulse-based range sensor time-of-flight

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Area of Science:

Optics and Photonics
Computer Vision
Sensor Technology

Background:

Amplitude Modulated Continuous-Wave Time-of-Flight (AMCW-ToF) is the dominant range imaging technology.
Pulse-based Time-of-Flight (PB-ToF) cameras offer a promising alternative for depth sensing applications.

Purpose of the Study:

To conduct a comprehensive evaluation of a novel PB-ToF camera prototype.
To analyze key performance parameters and identify sources of error in PB-ToF systems.
To develop and validate new operational modes for improved range measurement accuracy.

Main Methods:

In-depth performance evaluation of a Hamamatsu S11963-01CR sensor-based PB-ToF camera prototype.
Analysis of ToF-related effects: temperature drift, systematic error, depth inhomogeneity, multi-path interference, and motion artifacts.
Development and testing of modified operational modes to enhance range measurement quality.
Characterization of sensor gate response for simulation purposes.

Main Results:

Detailed assessment of systematic error in the PB-ToF system.
Identification of critical factors affecting depth measurement accuracy.
Demonstration of improved range measurement quality through novel operational modes.
Methodology established for measuring gate response and enabling sensor simulation.

Conclusions:

The evaluated PB-ToF camera prototype shows potential as an alternative to AMCW-ToF systems.
Systematic error and environmental factors significantly impact PB-ToF performance.
Novel operational modes can effectively enhance the quality of range measurements.
Sensor gate response characterization is crucial for accurate PB-ToF simulation and further development.