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Project # 16
Evaluating Depth Perception in Robotic Teleoperation: Monoscopic vs. Stereoscopic 360° Vision

Team Lead: Eshwara Prasad Sridhar
Other Team Members: Vibhav Nirmal
Faculty Advisor(s): Dr. Mahmudur Rahman
Department: IMSE
Project Type: Graduate Student
Title: Evaluating Depth Perception in Robotic Teleoperation: Monoscopic vs. Stereoscopic 360° Vision
Abstract: This study assessed whether immersive 360° stereoscopic vision enhances teleoperation performance compared to traditional 2D displays and examined the impact of object type and operator VR experience. Traditional teleoperation with 2D displays restricts depth perception, increasing task times and errors. Advances in immersive HMDs and stereoscopic imaging provide better depth cues for remote manipulation. Twenty-nine participants completed pick-and-place tasks with a robotic arm in 2D (TV) and 3D (Meta Quest 2) settings. Performance was measured by task completion time, perception errors, and NASA-TLX scores, while variations in object type assessed manipulation complexity. Participants' prior VR experience was noted, and ANOVA was conducted to test significance. Tasks using 3D vision took an average of 115.43 seconds, compared to 149.92 seconds for 2D (26% faster). Perception errors reduced from 9.06 in 2D to 7.04 in 3D (25% fewer). Completion time varied significantly by object type (p<0.01), with more complex objects taking longer. Participants with prior VR experience also made fewer errors (p<0.01). Stereoscopic visual feedback enhances teleoperation efficiency and accuracy, with more pronounced benefits for complex objects and operators familiar with VR. These findings support the integration of 360° stereoscopic systems into medical robotics, industrial automation, and remote operations in hazardous environments.
Poster: View Poster #16 (PDF)
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