Experimental assessment of a 3-D plenoptic endoscopic imaging system

Area of Science:

• Medical Imaging
• Optical Engineering
• Surgical Technology

Background:

• Traditional endoscopic systems have limitations in providing accurate 3-D spatial information.
• Accurate depth perception is crucial for minimally invasive surgical procedures.

Purpose of the Study:

• To demonstrate and analyze a novel endoscopic imaging system capable of reconstructing 3-D information.
• To evaluate the depth accuracy and precision of the proposed system for surgical applications.

Main Methods:

• Integration of a clinical surgical endoscope with a plenoptic camera.
• Utilizing plenoptic imaging principles for 3-D data reconstruction.
• System performance analysis within a defined field of view and frame rate.

Main Results:

• The system successfully reconstructs 3-D information from endoscopic images.
• Achieved a depth accuracy error of approximately 1 mm.
• Demonstrated a precision error of approximately 2 mm within a 25 mm × 25 mm field of view.
• Operated at a frame rate of 11 frames per second.

Conclusions:

• The developed plenoptic endoscopic imaging system offers significant potential for improving 3-D visualization in surgery.
• The system's accuracy and precision meet requirements for various surgical interventions.
• Plenoptic imaging presents a viable technique for advancing endoscopic surgical tools.