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Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
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Modulated acquisition of spatial distortion maps.

Alexey Volkov1, Jerneja Zganec Gros, Mario Zganec

  • 1Alpineon doo, Ul. Iga Grudna 15, Ljubljana 1000, Slovenia. alexey.volkov@alpineon.si

Sensors (Basel, Switzerland)
|August 23, 2013
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Summary

This study introduces a new image acquisition method using pseudo-random code modulation to enhance 3D range measurements. This technique significantly reduces environmental interference for robust real-time distance detection.

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Area of Science:

  • Computer Vision
  • Robotics
  • Optical Metrology

Background:

  • 3D range measurements are crucial for applications like autonomous navigation.
  • Environmental factors such as ambient light and interference degrade measurement accuracy.
  • Existing methods struggle with robustness in real-world conditions.

Purpose of the Study:

  • To develop a novel image acquisition technique for robust 3D range measurements.
  • To mitigate the effects of environmental disturbances on data acquisition.
  • To improve the reliability of laser triangulation in challenging settings.

Main Methods:

  • Implementation of pseudo-random code modulation for sequential pattern projection.
  • Development of an experimental range sensor utilizing the laser triangulation principle.
  • Testing the system's performance under simulated environmental interference.

Main Results:

  • Demonstrated significant reduction in the impact of ambient light and mutual interference.
  • Achieved robust data acquisition for 3D range measurements.
  • Validated the effectiveness of the proposed pseudo-random code modulation approach.

Conclusions:

  • The novel image acquisition method enhances the robustness of 3D range measurements.
  • The laser triangulation principle can be reliably extended to outdoor applications.
  • This technology is vital for real-time distance detection in autonomous systems and safety applications.