Optical Sensors and Methods for Underwater 3D Reconstruction

Area of Science:

• Marine robotics and sensing
• Computer vision and imaging

Background:

• Underwater 3D reconstruction is crucial for marine exploration and monitoring.
• Existing optical sensor technologies and range data acquisition methods vary significantly.

Purpose of the Study:

• To provide a comprehensive survey of optical sensors and methods for underwater 3D reconstruction.
• To classify existing solutions and identify new developments and commercial applications.

Main Methods:

• Literature review of optical sensing techniques for 3D data acquisition.
• Categorization of sensor hardware and range measurement principles.
• Analysis of recent advancements and commercial underwater 3D reconstruction systems.

Main Results:

• A structured classification of optical sensors and 3D reconstruction methods for underwater use.
• An overview of techniques for obtaining range data and the associated hardware.
• Inclusion of new developments, commercial products, and prior reviews.

Conclusions:

• The survey offers a consolidated view of the state-of-the-art in underwater optical 3D reconstruction.
• Identifies research gaps and potential future directions in sensor technology and algorithms.